MCP1631RD-MCC1 Microchip Technology, MCP1631RD-MCC1 Datasheet - Page 16

• Manufacturer Part Number: MCP1631RD-MCC1
• Description: REFERENCE DESIGN FOR MCP1631HV
• Manufacturer: Microchip Technology
• Type: Battery Managementr

Specifications of MCP1631RD-MCC1

• Main Purpose: Power Management, Battery Charger
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: MCP1631HV, PIC16F883
• Primary Attributes: 1 ~ 2 Cell- Li-Ion, 1 ~ 4 Cell- NiCd/NiMH
• Secondary Attributes: Status LEDs
• Supported Devices: MCP1631HV, PIC16F883 Device Type
• Tool / Board Applications: Power Management-Battery Management
• Development Tool Type: Reference Design
• Input Voltage: 5.5 V to 16 V
• Product: Power Management Modules
• Mcu Supported Families: MCP1631HV/PIC16F883 Family
• Silicon Manufacturer: Microchip
• Silicon Core Number: MCP1631HV
• Kit Application Type: Reference Design
• Application Sub Type: Battery Charger
• Kit Contents: Board Only
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: MCP1631HV, PIC16F883
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP1631 Multi-Chemistry Battery Charger Reference Design
DS51697A-page 12
2.3.1.4
1. The MCP1631HV Multi-Chemistry Battery Charger has an LED to indicate
TABLE 2-1:
2.3.1.5
• Li-Ion
• NiMH/NiCd
2.3.1.6
Header J3 is provided for in-system circuit programming.
Programming
Qualification
Preconditioning
Constant Current Fast Charge
Top Off Charge
Charge Complete
Safety Timer Fault
Cell Temperature Invalid
Battery Disconnected
Input Power Removed
- Qualification: Precharge at 200 mA for V
- Constant Current = 2A for 1 Cell, 1A for 2 Cell
- Constant Voltage = 4.20V, Calibrated at board final test
- Charge Termination = 140 mA for 1 Cell and 2 Cell
- Overvoltage Detection, once detected, attempt to restart charge cycle 5 times,
- Qualification: Precharge at 200 mA for V
- Constant Current = 1.5A for 1 Cell to 4 Cell
- Terminate Fast Charge for -dV/dT or +dT/dt
- Timed 50 mA top off charge for 1 hour
- Overvoltage Detection, once detected, attempt to restart charge cycle 5 times,
charge status or fault status. Table 2-1 represents the state of the Satus LED dur-
ing various states of the charge cycle.
if overvoltage is persistant, terminate attemtps and flash STATUS LED.
if overvoltage is persistant, terminate attemtps and flash STATUS LED.
Charge Cycle State
STATUS LED
CHARGE PROFILE
PROGRAMMING
STATUS OUTPUT
Flashing (Fast)
OFF
ON
ON
ON
OFF
Flashing (2 Hertz)
Flashing (2 Hertz)
Flashing ( 2 Hertz)
OFF
CELL
CELL
LED
< 3.0V
< 0.9V
© 2007 Microchip Technology Inc.