MCP1631RD-DCPC1 Microchip Technology, MCP1631RD-DCPC1 Datasheet - Page 29
![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.1
© 2009 Microchip Technology Inc.
SUMMARY DEVICE FIRMWARE FLOWCHART - LED DRIVER
For the latest version of the MCP1631HV Digitally Controlled Programmable Current
Source Reference Design LED Driver firmware, visit our web site at
www.microchip.com.
FIGURE C-1:
Appendix C. Demo Board Firmware
No
time retries
Shutdown
MCP1631HV DIGITALLY CONTROLLED
PROGRAMMABLE CURRENT SOURCE
OVP
Fault
> 5
Yes
Summary LED Driver Flowchart.
(I
Yes
Initialize: Processor, Parameters
LEDmin
Timers, Sample ADC()
= 70 mA, I
S1 pressed 2s?
Yes
S1 Pressed?
V
Yes
No
S1 Pressed?
START
OVP Test
OUT
Shutdown
I
LEDmin
END
> 9.0V?
LEDmax
Yes
>
=
REFERENCE DESIGN
No
= 700 mA),
No
No
Increment I
REF
(70 mA)
DS51798A-page 25