MCP1631RD-DCPC1 Microchip Technology, MCP1631RD-DCPC1 Datasheet - Page 29

• Manufacturer Part Number: MCP1631RD-DCPC1
• Description: REF DES BATT CHARG OR LED DRIVER
• Manufacturer: Microchip Technology

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