MCHPMCP73871-2CAI/ML
Overview
The Microchip MCP73871-2CAI/ML is an integrated system load sharing and Li-Ion/Li-Polymer battery charge management controller. It is designed to manage power from a USB source, charging a single-cell battery with a maximum charge current of 1.1A, while also supplying power to a system load.
Why Choose This Part
This IC offers integrated system load sharing, allowing the device to operate directly from the USB power source even when the battery is deeply discharged. Its programmable constant current charging up to 1.1A provides flexibility for various battery capacities. The device also includes over-temperature fault protection for safe operation.
Applications
Key Specifications
Getting Started
To get started with the MCP73871-2CAI/ML, refer to Microchip's datasheet for application circuit examples and PCB layout guidelines. Utilize evaluation boards if available from Microchip to quickly prototype and test the device's functionality. The device is typically configured via external resistors to set charge current and other parameters.
MCP7387 Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Battery Pack Voltage | Stock |
|---|---|---|
| MCP73871-2CAI/ML (this part) | 4.2V | 979 |
| MCP73871-2CCI/ML | 4.2V | 4,988 |
| MCP73871EV | — | 9 |
| MCP73871T-1CCI/ML | 4.1V | 3,530 |
| MCP73871T-2CAI/ML (Microchip) | 4.2V | — |
| MCP73871T-4CAI/ML | 4.4V | 3,090 |
