Microchip MCP1631VHV Handleiding

Microchip Niet gecategoriseerd MCP1631VHV

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2008-2022 Microchip Technology Inc. and its subsidiaries DS20002063C-page 1
MCP1631/HV/MCP1631V/VHV
Features
• Programmable Switching Battery Charger
Designs
• High-Speed Analog PWM Controller
(2 MHz Operation)
• Combine with Microcontroller for “Intelligent”
Power System Development
• Peak Current Mode Control (MCP1631)
• Voltage Mode Control (MCP1631V)
• High Voltage Options Operate to +16V Input:
- MCP1631HV Current Mode
- MCP1631VHV Voltage Mode
• Regulated Output Voltage Options:
- +5.0V or +3.3V
- 250 mA maximum current
• External Oscillator Input sets Switching
Frequency and Maximum Duty Cycle Limit
• External Reference Input Sets Regulation Voltage
or Current
• Error Amplifier, Battery Current ISNS Amplifier,
Battery Voltage VSNS Amplifier Integrated
• Integrated Overvoltage Comparator
• Integrated High Current Low Side MOSFET
Driver (1A Peak)
• Shutdown mode reduces IQ to 2.4 µA (typical)
• Internal Overtemperature Protection
• Undervoltage Lockout (UVLO)
• Package Options:
- 4 mm x 4 mm 20-Lead QFN
(MCP1631/MCP1631V only)
- 20-Lead TSSOP (All Devices)
- 20-Lead SSOP (All Devices)
• AEC-Q100 Qualified
Applications
• High Input Voltage Programmable Switching
Battery Chargers
• Supports Multiple Chemistries Li-Ion, NiMH, NiCd
Intelligent and Pb-Acid
• LED Lighting Applications
• Constant Current SEPIC Power Train Design
• USB Input Programmable Switching Battery
Chargers
General Description
MCP1631/MCP1631V is a high- spe ed analog
pulse width modulator (PWM) used to develop
intelligent power systems. When combined with a
microcontroller, MCP1631/ MCP1631V will control the
power system duty cycle providing output voltage or
current regulation. The microcontroller can be used to
adjust output voltage or current, switching frequency
and maximum duty cycle while providing additional
features making the power system more intelligent,
robust and adaptable.
Typical applications for the MCP1631/MCP1631V
include programmable switch mode battery chargers
capable of charging multiple chemistries, like Li-Ion,
NiMH, NiCd and Pb-Acid configured as single or
m u l t i p l e ce l l s . By c o m b i n i n g w i t h a s m a l l
microcontroller, intelligent LED lighting designs and
programmable SEPIC topology voltage and current
sources can also be developed.
The MCP1631/ MCP1631V inputs were developed to
be attached to the I/O pins of a microcontroller for
design flexibility. Additional features integrated into the
MCP1631HV/MCP1631VHV provide signal condition-
ing and protection features for battery charger or
constant current source applications.
For applications that operate from a high voltage input,
the MCP1631HV and MCP1631VHV device options
can be used to operate directly from a +3.5V to +16V
input. For these applications, an additional low drop out
+5V or +3.3V regulated output is available and can
provide current up to 250 mA to power a
microcontroller
and auxiliary circuits.
The MCP1631/MCP1631V is AEC-Q100 qualified for
automotive applications.
High-Speed, Pulse Width Modulator
MCP1631/HV/MCP1631V/VHV
DS20002063C-page 2
2008-2022 Microchip Technology Inc. and its subsidiaries
Package Types
1
2
3
COMP
PGND
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
20-Lead SSOP and TSSOP
MCP1631/MCP1631V
SHDN
OSCIN
OSCDIS
OVIN
VREF
AGND
NC
NC
NC AVDD_IN
VSIN
ISIN
VSOUT
ISOUT
FB
CS/VRAMP
PVDD
VEXT 1
2
3
COMP
PGND
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
20-Lead SSOP and TSSOP
MCP1631HV/MCP1631VHV
SHDN
OSCIN
OSCDIS
OVIN
VREF
AGND
NC
NC
AVDD_OUT
VSIN
ISIN
VSOUT
ISOUT
FB
CS/VRAMP
PVDD
VEXT
VIN
COMP
PGND
SHDN
AGND
NC
NC
VSIN
ISIN
VSOUT
ISOUT
FB
CS/VRAMP
PVDD
VEXT
AVDD_IN
1
2
3
4
5
6 7 8 9 10
15
14
13
12
11
20 19 1 8 17 16
NC
OSCIN
OSCDIS
OVIN
VREF
EP
20 Lead 4x4 QFN
MCP1631/MCP1631V
21
2008-2022 Microchip Technology Inc. and its subsidiaries DS20002063C-page 3
MCP1631/HV/MCP1631V/VHV
Typical Application Diagram
COMP
PGND
SHDN
OSCIN
OSCDIS
OVIN
VREF
AGND
NC
NC
AVDD_OUT
VSIN
ISIN
VSOUT
ISOUT
FB
CS
PVDD
VEXT
L1A
CIN
SCHOTTKY
DIODE
COUT
L1B
CC
MCP1631HV
VIN
RTHERM
AVDD_OUT
GP0/C
C
GP5
GP3
GP1/C
PIC12F683
LED
R
GND
GP4
CCP1
VDD
VIN Range +5.5V to +16V
Multi-cell, Multi-Chemistry Charger

Product specificaties

Merk: Microchip
Categorie: Niet gecategoriseerd
Model: MCP1631VHV

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