Key facts
- Brand
- MICROCHIP
- Model
- MCP1631
- Category
- Power Management
- Industry
- Electronics
- Documents
- 2
- Languages
- EN · ZH
- Last added
- 2026-10-05
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Microchip MCP1631HV Multi-Chemistry Battery Charger Reference Design
This reference design guide describes the MCP1631HV multi‑chemistry battery charger board, which can charge NiMH, NiCd or Li‑Ion battery packs and also drive low‑power LEDs. It explains the charger’s operation, features, and the hardware layout, and includes a complete bill of materials and software information.
The document contains a table of contents with sections on product overview, installation and operation, schematic and layout drawings, a parts list, software flowcharts, and a design example that shows how to calculate component values for a 10 W output design.
Microchip MCP1631 specifications
| Input voltage range | 5.3 V to 16 V |
|---|---|
| Maximum NiMH/NiCd cells | Up to 5 cells in series |
| Maximum Li‑Ion cells | Up to 2 cells in series |
| Over‑voltage limit | 9 V |
Source: Microchip MCP1631HV Multi-Chemistry Battery Charger Reference Design
All Microchip MCP1631 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What battery chemistries does the MCP1631HV charger support?
It supports NiMH, NiCd and Li‑Ion battery packs.
From: Microchip MCP1631HV Multi-Chemistry Battery Charger Reference Design
What is the input voltage range for the reference board?
The board operates from 5.3 V up to 16 V.
From: Microchip MCP1631HV Multi-Chemistry Battery Charger Reference Design
What control modes are available for the MCP1631 series?
The standard MCP1631 uses peak current mode control, while the MCP1631V variant uses voltage mode control.
From: Microchip MCP1631/HV/MCP1631V/VHV High-Speed Analog PWM Controller Datasheet
Which battery types does this controller support?
It supports Li-ion, NiMH, NiCd, and lead-acid batteries.
From: Microchip MCP1631/HV/MCP1631V/VHV High-Speed Analog PWM Controller Datasheet