MCP1631RD-DCPC1 Microchip Technology, MCP1631RD-DCPC1 Datasheet - Page 30
![REF DES BATT CHARG OR LED DRIVER](/photos/28/39/283975/mcp1631rd-dcpc1_sml.jpg)
MCP1631RD-DCPC1
Manufacturer Part Number
MCP1631RD-DCPC1
Description
REF DES BATT CHARG OR LED DRIVER
Manufacturer
Microchip Technology
Datasheets
1.PIC16F616T-ISL.pdf
(214 pages)
2.MCP1631VHVT-330EST.pdf
(34 pages)
3.MCP1631VHVT-330EST.pdf
(32 pages)
Specifications of MCP1631RD-DCPC1
Current - Output / Channel
700mA
Outputs And Type
1, Non-Isolated
Features
Firmware for Li-Ion, NiMH, and NiCd Battery Charger
Voltage - Input
3.5 ~ 16 V
Utilized Ic / Part
MCP1631HV, PIC16F616
Core Chip
MCP1631HV, PIC16F616
Topology
Parallel, Series
Output Current
1A
No. Of Outputs
1
Input Voltage
3.5V To 16V
Dimming Control Type
Analog
Kit Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
C.2
© 2009 Microchip Technology Inc.
SUMMARY DEVICE FIRMWARE FLOWCHART - LI-ION CHARGER
For the latest version of the MCP1631HV Digitally Controlled Programmable Current
Source Reference Design Li-Ion Charger firmware, visit our web site at
www.microchip.com.
FIGURE C-2:
Calibrate LiIon()
Yes
Charge Timer
Yes
Shutdown
No
S1 pressed
No
> 2s ?
=0?
START
Summary Li-Ion Charger Profile Flowchart.
Yes
SampleADC()
Initialize: Processor,
Parameters, Timers;
No
No
MAX = 1.0A 1 Cell
MAX = 0.5A 2 Cell
S1 pressed?
Decrement
Current Mode
Constant Voltage
(charge complete)
Current Mode
Precondition
Constant
V
Shutdown
I=200 mA
<= 70 mA?
BATT
Mode
I
BATT
END
Demo Board Firmware
No
>4.2V?
Yes
Yes
I
BATT
Yes
No
> 3.0V/Cell?
>4.4V/Cell?
V
OVP Test
BATT
V
V
BATT
BATT
<4.2V?
No
No
Yes
Yes
Shutdown
Yes
time retries
DS51798A-page 26
Fault
OVP
> 5
No