MCP1631RD-MCC2 Microchip Technology, MCP1631RD-MCC2 Datasheet - Page 48

• Manufacturer Part Number: MCP1631RD-MCC2
• Description: REFERENCE DESIGN MCP1631HV
• Manufacturer: Microchip Technology

Specifications of MCP1631RD-MCC2

• Main Purpose: Power Management, Battery Charger
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: MCP1631HV, PIC16F883
• Primary Attributes: 1 ~ 2 Cell- Li-Ion, 1 ~ 5 Cell- NiCd/NiMH, 1 ~ 2 1W LEDs
• Secondary Attributes: Status LEDs
• Silicon Manufacturer: Microchip
• Application Sub Type: Battery Charger
• Kit Application Type: Power Management - Battery
• Silicon Core Number: MCP1631HV, PIC16F883
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP1631HV Multi-Chemistry Battery Charger Reference Design
DS51791A-page 44
C.6.3
1. In the mikroC
2. Double click on the
3. Scroll through the header file and locate “#define LION_SUPPORT”.
4. Scroll through the header file and locate “#define NIMH_SUPPORT”.
5. Scroll through the header file and locate “#define LED_DRIVER_SUPPORT”.
6. Scroll down to the “#IF (LED_DRIVER_SUPPORT == ENABLED) section of the
7. Set the LED_DRIVER_OVER_VOLTAGE to 3600 mV. (Overvoltage Shutdown
8. Set the LED_DRIVER_CONDITION_CURRENT to 10 mAh.
9. Set the LED_DRIVER_CONDITION_VOLTAGE to 0 mV. (Skips Conditioning
10. Set the LED_DRIVER_CURRENT to 300 mAh. (Constant Current mode).
11. Save the file (File | Save).
12. Compile (Project | Build).
13. Open MPLAB and load the workspace if it is not already loaded. (File | Open
14. Import the new “MCP1631HVBuckBoostBatteryChargerReferenceDesign.hex”
15. Download the file (Debugger | Program) and reset the processor (Debugger |
16. Run the new program (Debugger | Run).
17. Turn on the power supply and set the output voltage to 8V. Turn off the power
18. Connect the variable 8V supply (+) lead to the input connector (+) pin J1-1.
19. Connect the variable 8V supply (-) lead to the input connector (-) pin J1-2.
20. Connect the two 1 watt LED’s in series to the charger board J2 connector.
21. Turn on the variable 8V supply.
22. Press and hold the “ON/OFF” button on the charger board until the LED’s flash
23. Press and release the “CHEM” button until both the “NiMH” and “LiIon” LEDs are
24. Press and release the “# CELLS” button until the “1” “Display” LED is on and the
25. Press the “ON/OFF” button. The charger will exit Configuration mode.
26. Press the “ON/OFF” button. The charger will start charging the battery.
27. Press the “CHEM” button to display the current charger state in HEX. “0”
28. Press the “# CELLS” button to display the termination cause. No LED means no
the ‘.H’ file list.
“MULTICHEMISTRY_REF_DESIGN_BOARD_102_00232.H” file to open it.
Set it to “DISABLED”.
Set it to “DISABLED”.
Set it to “ENABLED”.
header file. The section contains LED Driver specific parameters.
value per LED).
State, not needed).
Workspace) MCP1631HVBuckBoostBatteryChargerReferenceDesign.mcw.
file. (File | Import)
Reset | Processor Reset).
supply.
(about 5 seconds). The board is now in Configuration Mode.
on.
“0”, “2” and “3” “Display” LED’s are off. The LED display now displays “2” in
Hexadecimal.
“Display” LED is LS Bit.
premature termination.
LED Driver Lab Exercise (Two 1 Watt LED’s in series)
™
“Project Summary” frame, click on the “H files” branch to expand
© 2009 Microchip Technology Inc.