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2017 Microchip Technology Inc. DS50002611A
CL88020
120 V
AC Offline LED Driver
Evaluation Board
User’s Guide
DS50002611A-page 2 2017 Microchip Technology Inc.
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© 2017, Microchip Technology Incorporated, All Rights Reserved.
ISBN: 978-1-5224-1675-3
CL88020 120 VAC OFFLINE LED DRIVER
EVALUATION BOARD USER’S GUIDE
2017 Microchip Technology Inc. DS50002611A-page 3
Table of Contents
Preface ........................................................................................................................... 7
Introduction............................................................................................................ 7
Document Layout .................................................................................................. 7
Conventions Used in this Guide ............................................................................ 8
Warranty Registration............................................................................................ 8
Recommended Reading........................................................................................ 9
The Microchip Web Site ........................................................................................ 9
Product Change Notification Service..................................................................... 9
Customer Support ................................................................................................. 9
Document Revision History ................................................................................... 9
Chapter 1. Product Overview
1.1 Introduction ................................................................................................... 10
1.2 CL88020 Device Overview ........................................................................... 10
1.3 CL88020 Device Key Features .................................................................... 10
1.4 CL88020 120 VAC Offline LED Driver Evaluation Board .............................. 13
1.5 Evaluation Board Kit Contents ..................................................................... 14
Chapter 2. Installation and Operation
2.1 Introduction ................................................................................................... 15
2.2 Getting Started ............................................................................................. 16
2.3 Setup Procedure .......................................................................................... 16
2.4 How Does the CL88020 120 VAC Offline LED Driver
Evaluation Board Work? ......................................................................... 17
2.5 Board Testing ............................................................................................... 18
Appendix A. Schematic and Layouts
A.1 Introduction .................................................................................................. 19
A.2 Board Schematic - ADM00766 .................................................................... 20
A.3 Board Schematic - ADM00767 .................................................................... 21
A.4 ADM00766 – Top Silk ................................................................................... 22
A.5 ADM00766 – Top Copper And Silk............................................................... 22
A.6 ADM00766 – Top Copper ............................................................................ 23
A.7 ADM00766 – Bottom Copper ....................................................................... 23
A.8 ADM00766 – Bottom Copper and Silk ......................................................... 24
A.9 ADM00766 – Bottom Silk ............................................................................. 24
A.10 ADM00767 – Top Silk ................................................................................ 25
A.11 ADM00767 – Top Copper and Silk ........................................................... 25
CL88020
120 V
AC
Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 4 2017 Microchip Technology Inc.
A.12 ADM00767 – Top Copper .......................................................................... 26
A.13 ADM00767 – Bottom Copper ..................................................................... 26
A.14 ADM00767 – Bottom Copper and Silk ....................................................... 27
A.15 ADM00767 – Bottom Silk ........................................................................... 27
Appendix B. Bill of Materials (BOM) ...........................................................................29
Appendix C. Waveforms
C.1 CL88020 120 VAC Offline LED Driver
Evaluation Board Typical Waveforms ..................................................... 31
Worldwide Sales and Service .....................................................................................39
2017 Microchip Technology Inc. DS40002611A-page 5
EU Declaration of Conformity
This declaration of conformity is issued by the manufacturer.
The development/evaluation tool is designed to be used for research and development in a laboratory environment. This
development/evaluation tool is not a Finished Appliance, nor is it intended for incorporation into Finished Appliances that are made
commercially available as single functional units to end users under EU EMC Directive 2004/108/EC and as supported by the European
Commission's Guide for the EMC Directive 2004/108/EC (8th February 2010).
This development/evaluation tool complies with EU RoHS2 Directive 2011/65/EU.
This development/evaluation tool, when incorporating wireless and radio-telecom functionality, is in compliance with the essential
requirement and other relevant provisions of the R&TTE Directive 1999/5/EC and the FCC rules as stated in the declaration of conformity
provided in the module datasheet and the module product page available at www.microchip.com.
For information regarding the exclusive, limited warranties applicable to Microchip products, please see Microchip’s standard terms and
conditions of sale, which are printed on our sales documentation and available at www.microchip.com.
Signed for and on behalf of Microchip Technology Inc. at Chandler, Arizona, USA.
Object of Declaration: CL88020 120 VAC Offline LED Driver Evaluation Board
Automotive Networking Development Board User’s Guide
DS40002611A-page 6 2017 Microchip Technology Inc.
NOTES:
CL88020
120 VAC OFFLINE LED DRIVER
EVALUATION BOARD USER’S GUIDE
2017 Microchip Technology Inc. DS50002611A-page 7
Preface
INTRODUCTION
This chapter contains general information that will be useful to know before using the
CL88020 120 VAC Offline LED Driver Evaluation Board. Items discussed in this chapter
include:
•Document Layout
•Conventions Used in this Guide
•
•Recommended Reading
•The Microchip Web Site
•Product Change Notification Service
•Customer Support
•Document Revision History
DOCUMENT LAYOUT
This document describes how to use the CL88020 120 VAC Offline LED Driver
Evaluation Board to evaluate and demonstrate the CL88020 LED driver capabilities.
The manual layout is as follows:
•Chapter 1. “Product Overview” – Important information about the CL88020 120
VAC Offline LED Driver Evaluation Board.
•Chapter 2. “CL88020 120 VAC Offline LED Driver Evaluation
BoardInstallation and Operation” – This chapter includes a detailed description
of each function of the demonstration board and instructions on how to use the
board.
•Appendix A. “Schematic and Layouts” – Shows the schematic and layout
diagrams for the CL88020 120 VAC Offline LED Driver Evaluation Board.
•Appendix B. “Bill of Materials (BOM)” – Lists the parts used to build the
CL88020 120 VAC Offline LED Driver Evaluation Board.
•Appendix C. “CL88020 120 VAC Offline LED Driver Evaluation Board User’s
GuideCL88020 120 VAC Offline LED Driver Evaluation Board User’s
NOTICE TO CUSTOMERS
All documentation becomes dated, and this manual is no exception. Microchip tools and
documentation are constantly evolving to meet customer needs, so some actual dialogs
and/or tool descriptions may differ from those in this document. Please refer to our web site
(www.microchip.com) to obtain the latest documentation available.
Documents are identified with a “DS” number. This number is located on the bottom of each
page, in front of the page number. The numbering convention for the DS number is
“DSXXXXXA”, where “XXXXX” is the document number and “A” is the revision level of the
document.
For the most up-to-date information on development tools, see the MPLAB® IDE online help.
Select the Help menu, and then Topics to open a list of available online help files.
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 8 2017 Microchip Technology Inc.
GuideWaveforms” – Describes the waveforms for the CL88020 120 VAC Offline
LED Driver Evaluation Board.
CONVENTIONS USED IN THIS GUIDE
This manual uses the following documentation conventions:
DOCUMENTATION CONVENTIONS
Description Represents Examples
Arial font:
Italic characters Referenced books MPLAB® IDE User’s Guide
Emphasized text ...is the only compiler...
Initial caps A window the Output window
A dialog the Settings dialog
A menu selection select Enable Programmer
Quotes A field name in a window or
dialog
“Save project before build”
Underlined, italic text with
right angle bracket
A menu path File>Save
Bold characters A dialog button Click OK
A tab Click the Power tab
N‘Rnnnn A number in verilog format,
where N is the total number of
digits, R is the radix and n is a
digit.
4‘b0010, 2‘hF1
Text in angle brackets < > A key on the keyboard Press <Enter>, <F1>
Courier New font:
Plain Courier New Sample source code #define START
Filenames autoexec.bat
File paths c:\mcc18\h
Keywords _asm, _endasm, static
Command-line options -Opa+, -Opa-
Bit values 0, 1
Constants 0xFF, ‘A’
Italic Courier New A variable argument file.o, where file can be
any valid filename
Square brackets [ ] Optional arguments mcc18 [options] file
[options]
Curly brackets and pipe
character: { | }
Choice of mutually exclusive
arguments; an OR selection
errorlevel {0|1}
Ellipses... Replaces repeated text var_name [,
var_name...]
Represents code supplied by
user
void main (void)
{ ...
}
Preface
2017 Microchip Technology Inc. DS50002611A-page 9
RECOMMENDED READING
This user’s guide describes how to use the CL88020 120 VAC Offline LED Driver
Evaluation Board. Other useful documents are listed below. The following Microchip
documents are available and recommended as supplemental reference resources.
• CL88020 Data Sheet – “Sequential Linear LED Driver with 4 Taps”
(DS20005753)
THE MICROCHIP WEB SITE
Microchip provides online support via our web site at www.microchip.com. This web
site is used as a means to make files and information easily available to customers.
Accessible by using your favorite Internet browser, the web site contains the following
information:
•Product Support – Data sheets and errata, application notes and sample
programs, design resources, user’s guides and hardware support documents,
latest software releases and archived software
•General Technical Support – Frequently Asked Questions (FAQs), technical
support requests, online discussion groups, Microchip consultant program
member listing
•Business of Microchip – Product selector and ordering guides, latest Microchip
press releases, listing of seminars and events, listings of Microchip sales offices,
distributors and factory representatives
PRODUCT CHANGE NOTIFICATION SERVICE
Microchip’s customer notification service helps keep customers current on Microchip
products. Subscribers will receive e-mail notifications whenever there are changes,
updates, revisions or errata related to a specified product family or development tool of
interest.
To register, access the Microchip web site at www.microchip.com, click on Product
Change Notification and follow the registration instructions.
CUSTOMER SUPPORT
Users of Microchip products can receive assistance through several channels:
• Distributor or Representative
• Local Sales Office
• Field Application Engineer (FAE)
• Technical Support
Customers should contact their distributor, representative or field application engineer
(FAE) for support. Local sales offices are also available to help customers. A listing of
sales offices and locations is included in the back of this document.
Technical support is available through the web site at:
http://www.microchip.com/support
DOCUMENT REVISION HISTORY
Revision A (May 2017)
• Initial Release of this Document.
CL88020
120 VAC OFFLINE LED DRIVER
EVALUATION BOARD USER’S GUIDE
2017 Microchip Technology Inc. DS50002611A-page 10
Chapter 1. Product Overview
1.1 INTRODUCTION
This chapter provides an overview of the CL88020 120 VAC Offline LED Driver Evalu-
ation Board and covers the following topics:
• CL88020 Device Overview
• CL88020 Device Key Features
• CL88020 120 VAC Offline LED Driver Evaluation Board
• Evaluation Board Kit Contents
1.2 CL88020 DEVICE OVERVIEW
The CL88020 LED driver integrated circuit (IC) is targeted at general LED lighting
products, such as A19 bulb with a maximum power rating of about 8.5W at 120 VAC
(60W incandescent equivalent bulbs).
1.3 CL88020 DEVICE KEY FEATURES
• Monolithic
- No external FETs, minimum driver component count
• No inductors
- Reduces BOM cost and circuit complexity
• Efficient operation
- Typical electrical efficiencies of 80% to 83% across the AC input voltage
range.
• No high frequencies
- Inherently low conducted EMI, no need for input filters
• Inherently dimmer compatible
- Works with most leading-edge and trailing-edge phase-cut dimmers
-TRIAC dimmer compatible
• 120 VAC only
- Reduces die size by optimizing output FET voltages and sizes
• Targeted for 8.5W output
- 60W incandescent equivalent (most popular), assuming minimum 94 Lm/W
efficacy
• 4 taps
- Fewer pins reduces footprint size
2017 Microchip Technology Inc. DS50002611A-page 11
• Reduced light output ripple (optional)
- An external capacitor with four diodes provides lower light output ripple
- Use of a ceramic capacitor instead of a electrolytic means lamp life can match
the LED lifetime (more than 40,000 hours versus 5,000 hours)
- Provides continuous power to the driver
• Active line regulation
- Active circuitry provides better regulated output power over variations in AC
line voltage
- Between 0% to –12% line regulation typical
- Prevents driver from overheating at high AC line voltages
- Prevents excessive currents at low line
- Provides reasonable line regulation and efficient operation with only 4 taps
• Over temperature protection
- Optional
- An inexpensive external NTC thermistor provides remote temperature sens-
ing. The thermistor may be located in close proximity to the LEDs to provide
nearly direct monitoring of LED temperature.
- OTP is linear (no on/off cycling)
- A widely available, 470 kΩ NTC provides 85°C maximum temperature
- Temperature adjustable via selection of NTC thermistor resistance
• Two current-setting resistors
- Different hold-up and direct AC currents lowers THD and output ripple
- Tap current ratios internally set
- Reduces component count
- Fewer pins
- Simplifies application design
- Single-point current control for reduced EMI
• 8-pin power SOIC
- Higher HV creepage distances
- Pinout arranged to minimize pin-to-pin voltage differentials
- Pinout accommodates single-layer PCB
• Available in a thermally-enhanced 8-Lead SOIC package with heat slug
2017 Microchip Technology Inc. DS50002611A-page 12
Figure 1-1 presents the typical CL88020 offline LED driver application circuit.
FIGURE 1-1: Typical CL88020 120 VAC Offline LED Driver Evaluation Board Circuit.
2017 Microchip Technology Inc. DS50002611A-page 13
1.4 CL88020 120 VAC OFFLINE LED DRIVER EVALUATION BOARD
The CL88020 120 VAC Offline LED Driver Evaluation Board is a complete solution con-
sisting of an LED Driver (ADM00766) and an LED Load Board (ADM00767) powered
directly from the 120VAC line and based on Microchip Technology’s CL88020 sequen-
tial linear LED driver. The application achieves efficient operation without using any
magnetics or conventional switching techniques and is a flexible solution that allows
users to design and to test their own LED Load solution. The included LED Load is
made with 10 LEDs. Since no high frequencies are present, it exhibits inherently low
conducted and radiated EMI without needing input filters or shielding. Because the cur-
rent through the LEDs follows the AC input voltage, PFC circuitry is also not needed.
The CL88020 is inherently compatible with both leading-edge and trailing-edge dim-
mers, with no need for special circuitry to detect and respond to them.
The LED Load is provided on a double-layer 60 mm diameter FR4 PCB (0.6 mm thick)
mounted on a pin-fin heat sink. The LED Driver PCB (ADM00766) is made on 1.6 mm
standard double-layer FR4. The kit includes an 8-wire flat cable to connect the LED
Driver Board to the LED Load, and a black anodized pin fin heat sink with double-sided
adhesive thermal tape necessary to mount the LED Load Board on it. All circuitry and
hardware is provided, along with transient protection and overtemperature protection.
Just plug into a 120 VAC outlet (50 Hz or 60 Hz) to get started.
Figure 1-2 presents the CL88020 LED Driver Evaluation Board.
FIGURE 1-2: CL88020 LED Driver Evaluation Board Source Board (ADM00766) - Top View.
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 14 2017 Microchip Technology Inc.
Figure 1-3 presents the CL88020 LED Load Board.
.
FIGURE 1-3: CL88020 LED Load Board (ADM00767) - Top View.
1.5 EVALUATION BOARD KIT CONTENTS
The CL88020 120 VAC Offline LED Driver Evaluation Board Kit includes:
• CL88020 LED Driver Evaluation Board (ADM00766)
• 8-wire interconnection flat cable
• 4 nylon stand-offs with corresponding screw
• Important Information Sheet
The CL88020 LED Load Board (ADM00767) is available for purchase from
www.microchipdirect.com. The CL88020 LED Load Board (ADM00767) kit includes:
• CL88020 LED Load Board (ADM00767)
• LED Load pin fin heat sink
• Thermal double-sided adhesive tape
• Important Information Sheet
2017 Microchip Technology Inc. DS50002611A-page 15
Note: Since the power of the application is about 10W for longer operation of the LED
Load (more than 30 sec), attach the provided heat sink using the double adhesive ther-
mal tape by following these steps:
1. Be sure that before you start, the surface of the heatsink and of the PCB to be
dry and clean (use a cotton made smooth material to clean if needed).
2. Detach the protection foil on the thermal tape from one side
3. Attach the open portion of the thermal tape on the base of the heatsink
4. Detach the second protection foil from the thermal tape
5. Attach the PCB (ADM00767) to the heat sink.
6. Slowly press on the top of the PCB to be sure that the thermal contact will be
made all-over the board
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 16 2017 Microchip Technology Inc.
CL88020
120 VAC OFFLINE LED DRIVER
EVALUATION BOARD USER’S GUIDE
2017 Microchip Technology Inc. DS50002611A-page 17
Chapter 2. CL88020 120 VAC Offline LED Driver
Evaluation Board Installation and Operation
2.1 INTRODUCTION
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide is intended to
drive a long string of low-current LEDs directly from the AC mains. A basic driver circuit
consists of CL88020, six resistors and a bridge rectifier. Two to four additional compo-
nents are optional for various levels of transient protection, also with a low-price NTC
to assure remote overtemperature protection (OTP). No capacitors, EMI filters or
power factor correction circuits are needed.
A string of series/parallel LEDs is tapped at four locations. Four linear current regula-
tors sink current at each tap through a single control point and are sequentially turned
on and off. High efficiency is achieved by shutting off upstream regulators when down-
stream regulators achieve regulation. This makes controlling overall input current eas-
ier than trying to control multiple current paths, thereby tracking the input sine wave
voltage. Voltage across each regulator is minimized when conducting, providing high
efficiency. It implements a self-commutation technique using only the tap currents; this
technique inherently provides smooth transitions from one regulator to the next, without
relying on tap voltages or the rectified AC to coordinate the transitions. The current
waveform can be tailored to optimize for input voltage range, active line/load regulation,
output power/current, efficiency, power factor, THD, dimmer compatibility and LED uti-
lization. With the addition of an RC network, the driver is compatible with a wider range
of phase-cut dimmers. The data sheet includes a description of how the driver
operates, with design guidelines and examples.
2.1.1 CL88020 LED Driver Evaluation Board Features
The CL88020 LED Driver Evaluation Board (ADM00766) has the following features:
• Input Voltage: 120 Vrms +/-15%, 50/60 Hz
• Typical Output Capability: up to 130 mA
• Efficiency: Over 83%
• Max Output Power: 8.5W (depends on the cooling provided)
The CL88020 LED Load Board (ADM00767), has the following features:
• Contains 10 LEDs (GW P9LR31.EM) grouped in 4 taps
• An 8-wire flat cable input connector
• One NTC for overtemperature protection
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 18 2017 Microchip Technology Inc.
2.2 GETTING STARTED
The CL88020 120 VAC Offline LED Driver Evaluation Board is fully tested to evaluate
and demonstrate the CL88020 LED Driver.
Take into account the following recommendations before starting the setup process:
• Place the CL88020 LED Driver Evaluation Board and the LED Load assembly on
a non-conductive surface when connected to the AC line.
• Do not come into contact with any of the two demonstration unit boards while they
are connected to the AC line.
• Disconnect the demo units from the mains before performing any work on any of
them.
• Do not connect instruments having earth-referenced inputs, such as most
oscilloscopes.
• It is suggested that utility power for testing be provide from an AC source with a
floating output, and that differential voltage probes are used.
2.3 SETUP PROCEDURE
Powering the CL88020 120 VAC Offline LED Driver Evaluation Board is easy; the only
connections to be made are from ADM00766 LED driver to the LED Load ADM00767
assembled on a pin-fin heat sink, using the 8-wire flat cable provided, and from the LED
Driver Board to the AC line through a power cord.
Follow these steps:
1. Read the above recommendations and precautions.
2. Connect the CL88020 LED Driver Evaluation Board and the CL88020 LED Load
Board by means of the provided 8-wire flat cable, between J2-J3 connectors. It
is recommended to exercise caution, as the connectors on the flat cable are pro-
tected from being connected incorrectly.
3. Connect power cord on J1 on the LED Driver board, ADM00766. The Input con-
nector J1 is placed on the left side of the LED Driver board, which is marked with
the inscription: AC.
4. Plug the power cord into a 120 VAC outlet and apply 120 VAC ±15%, 60 Hz. While
it is possible for the values to be below this range, it is recommended not to
exceed 144 VAC. In this case the Transient Protection feature is automatically
activated. Line frequency is not critical (50 Hz or 60 Hz).
A variable AC power supply is needed for testing and evaluation in the laboratory. The
power supply requires an output capability of at least 20W and a voltage range from 0
to 150 VAC. This can be obtained also from an autotransformer supplied from the mains
or an electronic AC/AC power supply (for example, the Chroma ATE Inc. 61500 series).
Note: Auto-transformers do not provide isolation from the utility mains.
WARNING
The CL88020 LED Driver Evaluation Board (ADM00766) and CL88020 LED Load Board
(ADM00767) do NOT provide electrical isolation between the AC line and the lamp cir-
cuitry. Dangerous voltages are present when connected to the AC line. Exercise
caution!
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 20 2017 Microchip Technology Inc.
The Ripple Reduction Circuit (RRC), providing low output ripple, consists of a capacitor
and four diodes. The capacitor may be one or more paralleled capacitors, preferably
ceramic types to preserve long life expectancy for the LED application. The CL88020
with RRC operates in four phases: recharge, hold-up, direct and, under certain condi-
tions, idle. All active current paths includes Segment 1 (TAP1), assuring uninterrupted
light output on it during all phases of operation, excluding idle. That is why it is import-
ant to have a much greater number of LEDs on TAP 1 compared to the rest of the taps,
in this case six. This reduces overall ripple, which provides about 0.15 flicker index.
For more information, see the CL88020 data sheet.
2.5 BOARD TESTING
To start testing the evaluation board, follow these steps:
1. Connect the input AC source and the output LED Load as shown in Figure 2-1.
2. Use an eye protection filter to check that all the 4 taps light up on the CL88020
LED Driver Evaluation Board.
3. Power the board at 120 VAC.
4. Verify each tap current through the LEDs. It should be within 65 mA to 134 mA.
It can be measured by separating each wire from the inter-connection 8-wire flat
cable between the CL88020 LED Driver Evaluation Board (ADM00766) and
CL88020 LED Load Board (ADM00767).
5. If a variable AC source is available, set the input voltage to any value between
100 VAC and 135 VAC. The LED Load delivers nearly constant lumen power.
6. Power-down the AC source.
CL88020
120 VAC OFFLINE LED DRIVER
EVALUATION BOARD USER’S GUIDE
2017 Microchip Technology Inc. DS50002611A-page 21
Appendix A. Schematic and Layouts
A.1 INTRODUCTION
This appendix contains the following schematics and layouts for the CL88020 120 VAC
Offline LED Driver Evaluation Board and for the CL88020 LED Load Board:
• Board Schematic - ADM00766
• Board Schematic - ADM00767
• CL88020 LED Driver Evaluation Board
- ADM00766 – Top Silk
- ADM00766 – Top Copper And Silk
- ADM00766 – Top Copper
- ADM00766 – Bottom Copper
- ADM00766 – Bottom Copper and Silk
- ADM00766 – Bottom Silk
• CL88020 LED Load Board
- ADM00767 – Top Silk
- ADM00767 – Top Copper and Silk
- ADM00767 – Top Copper
- ADM00767 – Bottom Copper
- ADM00767 – Bottom Copper and Silk
- ADM00767 – Bottom Silk
DS50002611A-page 22 2017 Microchip Technology Inc.
A.2 BOARD SCHEMATIC - ADM00766
GND
GND
GND
GND
GND
CMB02070X1809GB200
CRM2512-J W-100ELF
CU4032K150G2K1
150VAC
600V
1A
GND
100k
1206
1%
R7
GND
TP6 TP7TP5 TP8
TP3
TP4
TP14
TP13
TP12
TP11
2
TERMINAL 1x2
J1
OSTHD020080
12345678
J2
240V
4032
10%
MOV1
4 1
23
~
~
+
-
MB6S
D1
1M 0805 1%
R5
TP2
0R
1206
1%
R1
0R
1206
1%
R2
0R
1206
1%
R9
10R
2512
5%
R4
10R
2512
5%
R3
TP1
221k
0805
1%
R8
7.5R
0805
1%
R10
3.24R
0805
1%
R11
TAP1 1
TAP2 2
TAP3 3
TAP4 4
CS
5
OTP
6
BIAS
7
ALR
8
GND
9
CL88020IC1
28k
0805
1%
R6
4.7uF
25V
0805
C1
4.7uF
25V
0805
C4
2017 Microchip Technology Inc. DS50002611A-page 23
A.3 BOARD SCHEMATIC - ADM00767
LED1-10 Osram Duris S8 GW P9LR31.EM
NCP18WM474J03RB
TP15
TP7
TP6
TP16
TP5
TP8
TP3
WHITE
LD1
WHITE
LD2
WHITE
LD3
WHITE
LD4
WHITE
LD5
WHITE
LD6
WHITE
LD7
WHITE
LD8
WHITE
LD9
WHITE
LD10
Molex 0908140808
-t
470k
0603
R1
12345678
J3
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 24 2017 Microchip Technology Inc.
A.4 ADM00766 – TOP SILK
A.5 ADM00766 – TOP COPPER AND SILK
2017 Microchip Technology Inc. DS50002611A-page 25
A.6 ADM00766 – TOP COPPER
A.7 ADM00766 – BOTTOM COPPER
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 26 2017 Microchip Technology Inc.
A.8 ADM00766 – BOTTOM COPPER AND SILK
A.9 ADM00766 – BOTTOM SILK
2017 Microchip Technology Inc. DS50002611A-page 27
A.10 ADM00767 – TOP SILK
A.11 ADM00767 – TOP COPPER AND SILK
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 28 2017 Microchip Technology Inc.
A.12 ADM00767 – TOP COPPER
A.13 ADM00767 – BOTTOM COPPER
2017 Microchip Technology Inc. DS50002611A-page 29
A.14 ADM00767 – BOTTOM COPPER AND SILK
A.15 ADM00767 – BOTTOM SILK
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 30 2017 Microchip Technology Inc.
NOTES:
CL88020 120 VAC OFFLINE LED DRIVER
EVALUATION BOARD USER’S GUIDE
2017 Microchip Technology Inc. DS50002611A-page 31
Appendix B. Bill of Materials (BOM)
TABLE B-1: BILL OF MATERIALS (BOM) FOR CL88020 LED DRIVER EVALUATION BOARD
(ADM00766)( )1
Qty. Reference Description Manufacturer Part Number
2 C1, C4 Capacitor ceramic 4.7 µF, 25V, 10%,
X7R, SMD, 0805
TDK Corporation C2012X7R1E475K125AB
2 C2, C3 Capacitor ceramic,15 µF, 20%, X7S,
SMD, 2220
TDK Corporation C5750X7S2A156M250KB
1 D1 Diode, bridge rectifier, MB6S, 1V, 0.5A,
600V, SMD, SOIC-4
Fairchild Semiconductor®MB6S
2 D2, D3 Diode, bridge rectifier, MMBD1503A 1.1V,
200 mA, 200V, SMD, SOT-23-3
Fairchild Semiconductor®MMBD1503A
1 J1 Terminal block, 5.08 mm, 1x2, female,
16-22AWG, 12A, TH, R/A
On-Shore Technology,
Inc.
OSTHD020080
1 J2 Header 8 positions, HDR-1.27, male, 1x8,
Tin, SMD, vertical
Molex®908140808
1 IC1 Microchip Analog CL88020 LED Driver,
SOIC-8
Microchip Technology Inc. CL88020T-E/SE
1 MOV1 Resistor varistor, 240V, 250 mW, SMD,
4032
EPCOS AG CU4032K150G2K1
3 R1, R2, R9 Resistor TKF, 0R, 1%, 1/4W, SMD, 1206 TT ElectronicsPlc. WCR1206-R005JI
2 R3, R4 Resistor TKF, 10R, 5%, 1W, SMD, 2512 Panasonic
® - BSG ERJ-1TYJ100U
1 R5 Resistor TKF, 1M, 1%, 1/8W, SMD, 0805 Panasonic
® - BSG ERJ-6ENF1004V
1 R6 Resistor TKF, 28 k 1%, 1/8W, SMD,
0805
Vishay Dale CRCW080528K0FKEA
1 R7 Resistor TKF, 100 k 1%, 1/4W, SMD,
1206
Panasonic ERJ-8ENF1003V
1 R8 Resistor TKF, 221 k 1%, 1/8W, SMD,
0805
Vishay/Dale CRCW0805221KFKEA
1 R10 Resistor TKF, 7.5R, 1%, 1/8W, SMD,
0805
Vishay/Dale CRCW08057R50FKEA
1 R11 Resistor TKF, 3.24R, 1%, 1/8W, SMD,
0805
Vishay/Dale CRCW08053R24FKEA
2 TP1, TP2 Test points, multi-purpose, mini, black Keystone Electronics
Corp.
5001
Note 1: The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM
used in manufacturing uses all RoHS-compliant components.
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 32 2017 Microchip Technology Inc.
TABLE B-2: BILL OF MATERIALS (BOM) FOR CL88020 LED DRIVER EVALUATION BOARD
(ADM00766) - MECHANICAL PARTS( )1
Qty. Reference Description Manufacturer Part Number
1 CBL1 Mechanical cable, Picoflex, IDT to
IDT, 8-COND, 250 mm
Molex®92315-0825
1 HS1 Mechanical HW, heat sink adhesive
tape, L19W19H6.3
CTS® Corporation APF19-19-06CB/A01
1 PCB Printed Circuit Board - CL88020
LED Driver Evaluation Board
(ADM00766)
Microchip Technology Inc. 04-10559-R1
4 SCR1, SCR2,
SCR3, SCR4
Mechanical HW, screw #6-32 x 1/4”,
PanHead, PHIL, nylon
B&F™ Fasteners Supply NY PMS 632 0025 PH
4 STANDOFF1,
STANDOFF2,
STANDOFF3,
STANDOFF4
Mechanical HW, stand-off, #6-32 x
3/8", F, HEX, nylon
Keystone Electronics Corp. 1903B
Note 1: The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM
used in manufacturing uses all RoHS-compliant components.
TABLE B-3: BILL OF MATERIALS (BOM) FOR CL88020 LED LOAD BOARD (ADM00767)( )1
Qty. Reference Description Manufacturer Part Number
1 J3 CON HDR-1.27, male, 1x8, Tin,
SMD, vertical
Molex®0908140808
10 LD1, LD2, LD3,
LD4, LD5, LD6,
LD7, LD8, LD9,
LD10
Diode LED, white, 24.8V,
150 mA, 500 lm, 3000K, SMD,
L5W5H0.7
OSRAM Opto
Semiconductors GmbH.
GW P9LR31.EM-PPPR-XX57-1
1 R1 Resistor thermistor, 470 k, 5%,
100 mW, 0603
Murata Electronics®NCP18WM474J03RB
Note 1: The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM
used in manufacturing uses all RoHS-compliant components.
TABLE B-4: BILL OF MATERIALS (BOM) FOR CL88020 LED LOAD BOARD (ADM00767) -
MECHANICAL PARTS( )1
Qty. Reference Description Manufacturer Part Number
1 HS2 Mechanical HW, heat sink,
D60 mm x H30 mm, 9.1W, black
MechaTronix
Kaohsiung Co., Ltd.
LPF60A30-5-B
1 PCB Assembled Printed Circuit Board -
CL88020 LED Load Board
(ADM00767)
Microchip Technology Inc. 04-10560-R1
1 TAPE1 Mechanical HW, tape, thermal
sheet, 0.0625 mm, L254W254
Bergquist Company GmbH BP100-0 008-00-1010
Note 1: The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM
used in manufacturing uses all RoHS-compliant components.
CL88020
120 VAC OFFLINE LED DRIVER
EVALUATION BOARD USER’S GUIDE
2017 Microchip Technology Inc. DS50002611A-page 33
Appendix C. CL88020
120 V
AC Offline LED Driver
Evaluation Board User’s Guide Waveforms
C.1 CL88020 120 VAC OFF-LINE LED DRIVER EVALUATION BOARD TYPICAL
WAVEFORMS
C.1.1 Total Output Current on 110, 120, 138 V
AC RMS Input
FIGURE C-1: Total Output Current at 110 VAC.
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 34 2017 Microchip Technology Inc.
FIGURE C-2: Total Output Current at 120 VAC RMS.
FIGURE C-3: Total Output Current at 138 VAC RMS.
2017 Microchip Technology Inc. DS50002611A-page 35
C.1.2 TAPs 1, 2, 3, 4 Currents at 120 V
AC RMS
FIGURE C-4: TAP1 Current and Line Voltage at 120 VAC RMS.
FIGURE C-5: TAP2 Current and Line Voltage at 120 VAC RMS.
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 36 2017 Microchip Technology Inc.
FIGURE C-6: TAP3 Current and Line Voltage at 120 VAC RMS.
FIGURE C-7: TAP4 Current and Line Voltage at 120 VAC RMS.
2017 Microchip Technology Inc. DS50002611A-page 37
C.1.3 Output Current on Startup at 110, 120 and 135 V
AC RMS Input
FIGURE C-8: Output Current on Startup at 110 VAC RMS Line Input.
FIGURE C-9: Output Current on Startup at 120 VAC RMS Line Input.
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 38 2017 Microchip Technology Inc.
FIGURE C-10: Output Current on Startup at 135 VAC RMS Line Input.
C.1.4 Input Current and Input Voltage Waveforms at 120 V
AC RMS
Input
FIGURE C-11: Input Current and Input Voltage Waveforms at 120 VAC RMS Input.
2017 Microchip Technology Inc. DS50002611A-page 39
C.1.5 Input Current Waveforms, Detail at 120 V
AC RMS Input Line
Voltage
FIGURE C-12: Input Current Waveform-TAPs Commutation.
FIGURE C-13: Input Current Waveform - TAPs Commutation Detail.
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 40 2017 Microchip Technology Inc.
C.1.6 Output Current with/without Ripple Reduction Circuit at
120 VAC RMS Input
FIGURE C-14: Output Current with Ripple Reduction Circuit on 120 VAC RMS Input.
\
FIGURE C-15: Output Current without Ripple Reduction Circuit at 120 VAC RMS Input.
2017 Microchip Technology Inc. DS50002611A-page 41
C.2 BOARD SET TYPICAL MEASUREMENTS
FIGURE C-16: Input Power vs. Input Line Voltage.
FIGURE C-17: Input Power vs. Input Line Voltage.
Note: The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore, outside the warranted range.
7.0
8.0
9.0
10.0
11.0
12.0
13.0
95 100 105 110 115 120 125 130 135 140 145
Input Power (W)
Input Voltage (V RMS)
7.0
8.0
9.0
10.0
11.0
12.0
13.0
95 100 105 110 115 120 125 130 135 140 145
Input Power (W)
Input Voltage (V RMS)
Input Power Input Power with RRC
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 42 2017 Microchip Technology Inc.
FIGURE C-18: Power Factor.
FIGURE C-19: Power Factor.
0.7
0.75
0.8
0.85
0.9
0.95
1
95 100 105 110 115 120 125 130 135 140 145
PF
Input Voltage (V RMS)
0.8
0.82
0.84
0.86
0.88
0.9
0.92
0.94
0.96
0.98
1
95 100 105 110 115 120 125 130 135 140 145
PF
Input Voltage (V RMS)
PF PF with RRC
2017 Microchip Technology Inc. DS50002611A-page 43
FIGURE C-20: Input Power vs. NTC Resistance.
FIGURE C-21: VALR PIN vs. Input Line Voltage.
0
1
2
3
4
5
6
7
8
9
10
11
12
24.0 26.0 28.0 30.0 32.0 34.0 36.0 38.0 40.0 42.0 44.0 46.0 48.0 50.0
Input Power (W)
NTC Resistance (kΩ)
0.6
0.675
0.75
0.825
0.9
0.975
1.05
1.125
1.2
1.275
1.35
1.425
1.5
1.575
1.65
1.725
95 100 105 110 115 120 125 130 135 140 145
V ALR (V)
Input Voltage (V RMS)
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 44 2017 Microchip Technology Inc.
FIGURE C-22: Output Power vs. Input Line Voltage.
FIGURE C-23: Output Power vs. Input Line Voltage.
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
95 100 105 110 115 120 125 130 135 140 145
Output Power (LED Load) (W)
Line Voltage (V RMS)
Output Power vs Input Line with Ripple Reduction Circuit
2017 Microchip Technology Inc. DS50002611A-page 45
FIGURE C-24: Efficiency.
.
FIGURE C-25: Efficiency.
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100.00
95 100 105 110 115 120 125 130 135 140 145
EFF (%)
Input Voltage (V RMS)
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100.00
95 100 105 110 115 120 125 130 135 140 145
EFF (%)
Input Voltage (V RMS)
EFF EFF with RRC
CL88020 120 VAC Offline LED Driver Evaluation Board User’s Guide
DS50002611A-page 46 2017 Microchip Technology Inc.
FIGURE C-26: Light Output vs. Input Line Voltage.
FIGURE C-27: Efficacy.
1200
1220
1240
1260
1280
1300
1320
1340
1360
1380
1400
105 110 115 120 125 130 135
Light Output (Lm)
Line Voltage (V RMS)
116
118
120
122
124
126
128
105 110 115 120 125 130
135
LUMENs/W
Line Voltage (V RMS)
DS50002611A-page 47 2017 Microchip Technology Inc.
AMERICAS
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Tel: 480-792-7200
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Technical Support:
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Worldwide Sales and Service
11/07/16

Product specificaties

Merk: Microchip
Categorie: Niet gecategoriseerd
Model: CL88020

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