Microchip MCP73113 Handleiding


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© 2009 Microchip Technology Inc. DS51847A
MCP73113
OVP Single-Cell
Li-Ion Battery Charger
Evaluation Board
Users Guide
DS51847A-page ii © 2009 Microchip Technology Inc.
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
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FITNESS FOR PURPOSE. Microchip disclaims all liability
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All other trademarks mentioned herein are property of their
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© 2009, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
Note the following details of the code protection feature on Microchip devices:
Microchip products meet the specification contained in their particular Microchip Data Sheet.
Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
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Microchip is willing to work with the customer who is concerned about the integrity of their code.
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
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Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
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Microchip received ISO/TS-16949:2002 certification for its worldwide
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MCP73113 OVP SINGLE-CELL LI-ION
BATTERY CHARGER EVALUATION
BOARD USERS GUIDE
© 2009 Microchip Technology Inc. DS51847A-page iii
Table of Contents
Preface ........................................................................................................................... 1
Introduction............................................................................................................ 1
Document Layout .................................................................................................. 1
Conventions Used in this Guide ............................................................................ 2
Recommended Reading........................................................................................ 2
The Microchip Web Site ........................................................................................ 3
Customer Support ................................................................................................. 3
Document Revision History ................................................................................... 3
Chapter 1. Product Overview
1.1 Introduction ..................................................................................................... 5
1.2 What is the MCP73113 OVP Single-Cell Li-Ion Battery Charger
Evaluation Board? .................................................................................... 6
1.3 What the MCP73113 OVP Single-Cell Li-Ion Battery Charger
Evaluation Board Kit Includes: .................................................................. 6
Chapter 2. Installation and Operation
2.1 Introduction ..................................................................................................... 7
2.2 Features ......................................................................................................... 7
2.3 Getting Started ............................................................................................... 8
Appendix A. Schematic and Layouts
A.1 Introduction .................................................................................................. 11
A.2 Board – Schematic ....................................................................................... 12
A.3 Board – Assembly Drawing .......................................................................... 13
A.4 Board – Top Layer ....................................................................................... 14
A.5 Board – Top Metal Layer ............................................................................. 15
A.6 Board – Bottom Layer ................................................................................. 16
Appendix B. Bill Of Materials (BOM)
Worldwide Sales and Service .................................................................................... 18
MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board User’s Guide
DS51847A-page iv © 2009 Microchip Technology Inc.
NOTES:
MCP73113 OVP SINGLE-CELL LI-ION
BATTERY CHARGER EVALUATION
BOARD USERS GUIDE
© 2009 Microchip Technology Inc. DS51847A-page 1
Preface
INTRODUCTION
This chapter contains general information that will be useful to know before using the
MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board. Items discussed
in this chapter include:
Document Layout
Conventions Used in this Guide
Recommended Reading
The Microchip Web Site
Customer Support
Document Revision History
DOCUMENT LAYOUT
This document describes how to use the MCP73113 OVP Single-Cell Li-Ion Battery
Charger Evaluation Board. The manual layout is as follows:
Chapter 1. “Product Overview” – Important information about the MCP73113
OVP Single-Cell Li-Ion Battery Charger Evaluation Board.
Chapter 2. “Installation and Operation” – Includes instructions on how to get
started with this user’s guide and a description of the user’s guide.
Appendix A. “Schematic and Layouts – Shows the schematic and layout
diagrams for the MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation
Board.
Appendix B. “Bill Of Materials (BOM) – Lists the parts used to build the
MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board.
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 on-line help.
Select the Help menu, and then Topics to open a list of available on-line help files.
MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board User’s Guide
DS51847A-page 2 © 2009 Microchip Technology Inc.
CONVENTIONS USED IN THIS GUIDE
This manual uses the following documentation conventions:
RECOMMENDED READING
This user's guide describes how to use MCP73113 OVP Single-Cell Li-Ion Battery
Charger Evaluation Board. The following Microchip document is recommended as
supplemental reference resources.
MCP73113 Data Sheet, “Single-Cell Li-Ion / Li-Polymer Battery Charge
Management Controller with Input Overvoltage Protection, DS22183
This data sheet provides detailed information regarding the MCP73113 product family.
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
‘bnnnn A binary number where n is a
digit
‘b00100, ‘b10
Text in angle brackets < > A key on the keyboard Press <Enter>, <F1>
Courier font:
Plain Courier 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
Italic Courier A variable argument file.o, where file can be
any valid filename
0xnnnn A hexadecimal number where
n is a hexadecimal digit
0xFFFF, 0x007A
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
© 2009 Microchip Technology Inc. DS51847A-page 3
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 SupportData 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
CUSTOMER SUPPORT
Users of Microchip products can receive assistance through several channels:
Distributor or Representative
Local Sales Office
Field Application Engineer (FAE)
Technical Support
Development Systems Information Line
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://support.microchip.com.
DOCUMENT REVISION HISTORY
Revision A (July 2009)
Initial Release of this Document.
MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board User’s Guide
DS51847A-page 4 © 2009 Microchip Technology Inc.
NOTES:
MCP73113 OVP SINGLE-CELL LI-ION
BATTERY CHARGER EVALUATION
BOARD USERS GUIDE
© 2009 Microchip Technology Inc. DS51847A-page 5
Chapter 1. Product Overview
1.1 INTRODUCTION
The MCP73113 product family is highly integrated linear charge management
controllers for single-cell Li-Ion and Li-Polymer batteries. The MCP73113 product
family operates with minimum external components, which is ideal for use in
space-limited and cost-effective applications. The input over voltage protection and
battery short circuit protection offer designers a secondary protection in addition to the
Li-Ion battery protection circuit.
This chapter provides an overview of the MCP73113 OVP Single-Cell Li-Ion Battery
Charger Evaluation Board and covers the following topics:
“What is the MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation
Board?
“What the MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board
Kit includes:”
FIGURE 1-1: MCP73113 Typical Application.
STAT
VDD
NC
5
3
1
2
PROG
8
7
9
10
REGULATED
WALL CUBE
CIN
+
-
1-Cell
NC
6
4
RLED
VDD
VBAT
VBAT
VSS
VSS
COUT
RPROG
MCP73113
Li-Ion
Battery
MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board User’s Guide
DS51847A-page 6 © 2009 Microchip Technology Inc.
1.2 WHAT IS THE MCP73113 OVP SINGLE-CELL LI-ION BATTERY CHARGER
EVALUATION BOARD?
The MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board
demonstrates the features of Microchip’s MCP73113 Single-Cell Li-Ion / Li-Polymer
Battery Charge Management Controller with Input Overvoltage Protection”.
The MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board is designed
with two charging current. The default value is 500 mA and when PROG via is tied to
ground, the two parallel resistors output 1000 mA charging current to a Li-Ion battery.
One blue LED status output allows the user to learn if the MCP73113 is in charging
state or not.
The MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board comes with
an installed MCP73113 device in 3mm x 3mm DFN package. The factory preset battery
regulation voltage is 4.20V with precondition, termination and auto recharge features.
The MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board is designed
to observe the performance and features on the circuits via multiple test points. Circuits
can also be implemented into suitable applications without additional work.
1.3 WHAT THE MCP73113 OVP SINGLE-CELL LI-ION BATTERY CHARGER
EVALUATION BOARD KIT INCLUDES:
This MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board kit includes:
MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board, 102-00260
Important Information Sheet
Note: Please refer to Table 2-1 for Charge Status Outputs and Table 2-2 for
Charge Current Setups.
MCP73113 OVP SINGLE-CELL LI-ION
BATTERY CHARGER EVALUATION
BOARD USERS GUIDE
© 2009 Microchip Technology Inc. DS51847A-page 7
Chapter 2. Installation and Operation
2.1 INTRODUCTION
The MCP73113 is a highly integrated Li-Ion battery charge management controller for
use in space-limited and cost-sensitive applications. The MCP73113 provides specific
charge algorithms for Li-Ion / Li-Polymer batteries to achieve optimal capacity and
safety in the shortest charging time possible. Along with its small physical size, the low
number of external components makes the MCP73113 ideally suitable for portable
applications.
The absolute maximum voltage, up to 18V, allows the use of MCP73113 in harsh
environments, such as low cost wall wart.
The MCP73113 employs a constant current / constant voltage charge algorithm. The
various charging voltage re sign engineers flexgulations provide de ibility to use in
different applications. The fast charge, constant current value is set with one external
resistor from 130 mA to 1100 mA. The MCP73113 limits the charge current based on
die temperature during high power or high ambient conditions. This thermal regulation
optimizes the charge cycle time while maintaining device reliability.
The PROG pin of the MCP73113 also serves as enable pin. When high impedance is
applied, the MCP73113 will be in standby mode.
Typical applications for the reference design are Smart Phones, PDA, Portable Media
Players, MP3 Players, Digital Cameras, Handheld Medical devices, Bluetooth
headsets and Portable Communicators.
2.2 FEATURES
The MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board has the
following features:
6.5V Input Over Voltage Protection
10% Preconditioning of deeply depleted cells
32-Minute Preconditioning Timer
6-Hour Safety Timer
10% Automatic Charge Termination
500 mA and 1000 mA Preset Fast Charge Current
Automatic Recharge
Thermal Regulation
One Blue LED indicates charge status
Small DFN packages with Exposed Pad as additional heat sink
MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board User’s Guide
DS51847A-page 8 © 2009 Microchip Technology Inc.
2.3 GETTING STARTED
The MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board is fully
assembled and tested for charging a single-cell Li-Ion or Li-Polymer battery.
2.3.1 Power Input and Output Connection
2.3.1.1 POWERING THE MCP73113 OVP SINGLE-CELL LI-ION BATTERY
CHARGER EVALUATION BOARD
1. Connect the positive battery terminal to VBAT+ and negative battery terminal to
VBAT-.
2. Connect the 5V DC power supply Negative Terminal to VSS.
3. Connect the 5V DC power supply Positive Terminal to VDD.
4. It should initiate the battery charging cycle when the power source is present and
VBAT is below recharge threshold. For example, when VREG is 4.2V, VBAT needs
to be lower than 3.99V to initiate the charge cycle.
5. The charging status table is available in Table 2-2.
6. The fast charge current is preset at 500 mA and can be increased to 1A by
connecting PROG via to ground.
FIGURE 2-1: Board Top Assembly.
Note: The Li-Ion battery pack can be replaced with test circuit or electronic load
that can sink current with DC power supply. Refer to Figure 2-3.
Note: Fast Charge Current can be programmed with various resistors based on
Figure 2-2 and Table 2-1.
1
5V DC SUPPLY
1-CELL
+
+
-
-
LI-ION
BATTERY
Installation and Operation
© 2009 Microchip Technology Inc. DS51847A-page 9
FIGURE 2-2: MCP73113 Charge Current (IOUT) vs. Programming Resistor
(RPROG).
TABLE 2-1: MCP73113 RESISTOR LOOKUP TABLE
Charge Current (mA) Recommended E96 Resistor
( )Ω
Recommended E24 Resistor
( )Ω
130 10k 10k
150 8.45k 8.20k
200 6.20k 6.20k
250 4.99k 5.10k
300 4.02k 3.90k
350 3.40k 3.30k
400 3.00k 3.00k
450 2.61k 2.70k
500 2.32k 2.37k
550 2.10k 2.20k
600 1.91k 2.00k
650 1.78k 1.80k
700 1.62k 1.60k
750 1.50k 1.50k
800 1.40k 1.50k
850 1.33k 1.30k
900 1.24k 1.20k
950 1.18k 1.20k
1000 1.10k 1.10k
1100 1.00k 1.00k
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1 2 3 4 5 6 7 8 9 1011121314151617181920
Programming Resistor ()
Charge Current (mA)
VDD = 5.2V
TA
= +25°C
MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board User’s Guide
DS51847A-page 10 © 2009 Microchip Technology Inc.
FIGURE 2-3: Simulated Battery Load.
1
0V - 6V
Power
Source Volt
Meter
R
5Ω
10W
Microchip
Battery
Charge
Management
Controller
Amp
Meter
VBAT+
VBAT-
GND
1000 µF
TABLE 2-2: MCP73113 CHARGE STATUS OUTPUTS
CHARGE CYCLE STATE STAT
Shutdown Hi-Z
Standby Hi-Z
Preconditioning L
Constant Current Fast Charge L
Constant Voltage L
Charge Complete - Standby Hi-Z
Temperature Fault 1.6 second 50% D.C. Flashing (Type 1)
Hi-Z (Type 2)
Timer Fault 1.6 second 50% D.C. Flashing (Type 1)
Hi-Z (Type 2)
Preconditioning Timer Fault 1.6 second 50% D.C. Flashing (Type 1)
Hi-Z (Type 2)
MCP73113 OVP SINGLE-CELL LI-ION
BATTERY CHARGER EVALUATION
BOARD USERS GUIDE
© 2009 Microchip Technology Inc. DS51847A-page 11
Appendix A. Schematic and Layouts
A.1 INTRODUCTION
This appendix contains the following schematics and layouts for the MCP73113 OVP
Single-Cell Li-Ion Battery Charger Evaluation Board:
Board – Schematic
Board – Top Layer
Board – Top Metal Layer
Board – Bottom Layer
MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board User’s Guide
DS51847A-page 12 © 2009 Microchip Technology Inc.
A.2 BOARD – SCHEMATIC
M
Schematic and Layouts
© 2009 Microchip Technology Inc. DS51847A-page 13
A.3 BOARD – TOP LAYER
MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board User’s Guide
DS51847A-page 14 © 2009 Microchip Technology Inc.
A.4 BOARD – TOP METAL LAYER
Schematic and Layouts
© 2009 Microchip Technology Inc. DS51847A-page 15
A.5 BOARD – BOTTOM LAYER
MCP73113 OVP Single-Cell Li-Ion Battery Charger Evaluation Board User’s Guide
DS51847A-page 16 © 2009 Microchip Technology Inc.
NOTES:
MCP73113 OVP SINGLE-CELL LI-ION
BATTERY CHARGER EVALUATION
BOARD USERS GUIDE
© 2009 Microchip Technology Inc. DS51847A-page 17
Appendix B. Bill Of Materials (BOM)
TABLE B-1: BILL OF MATERIALS
Qty Reference Description Manufacturer Part Number
4 Bump BUMPON HEMISPHERE .44X.20
WHITE
3M SJ5003-9-ND
2 C1, C2 CAP CERAMIC 4.7 µF 25V X5R 1206 TDK C2012X5R1E475M
1 D1 Blue Water Clear 0603 SMD LED Para Light USA L-C191LBCT-U1
1 PCB RoHS Compliant Bare PCB, MCP73113
Evaluation Board
Microchip Technology Inc. 104-00260
3 R1, R3 RES 2.37K OHM 1/10W 1% 0603 SMD Panasonic® - ECG ERJ-3EKF2371V
1 R2 RES 1K OHM 1/10W 1% 0603 SMD Panasonic - ECG ERJ-3EKF1001V
4 TP1, TP2,
TP3, TP4
PC Test Point Compact SMT Keystone Electronics®5016
1 U1 Single-Cell Li-Ion/Li-Poly Battery Charger
with OVP
Microchip Technology Inc. MCP73113-06S/MF
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.
DS51847A-page 18 © 2009 Microchip Technology Inc.
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WORLDWIDE SALES AND SERVICE
03/26/09


Product specificaties

Merk: Microchip
Categorie: Niet gecategoriseerd
Model: MCP73113

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