Microchip

Battery Management Solutions

Get high accuracy and longer battery operation for your portable designs with Microchip's battery management products. Their low power consumption and wide range of features come in convenient, small footprint packages. These devices offer advanced features to maximize battery operating life and reduce PCB footprint, while minimizing overall system cost and improve time-to-market.
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Single Chip Battery Charging and Management for Lithium Ion

The MCP73871 device is a 1A fully integrated linear solution for system load sharing and Li-Ion / Li-Polymer battery charge management with AC-DC wall adapter and USB port power sources selection. It's also capable of autonomous power source selection between input or battery. The MCP73871 device employs a constant current/constant voltage (CC/CV) charge algorithm with selectable charge termination point. The constant voltage regulation is fixed with four available options: 4.10V, 4.20V, 4.35V, or 4.40V.
MCP73871EV

MCP73871EV

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MCP73871DM-VPCC

MCP73871DM-VPCC

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Li-Ion Battery Charger Evaluation Board

MCP7386XEV
The MCP7386X Evaluation Board is set up to evaluate simple, stand-alone, linear charging of single/dual cell Lithium-Ion/Lithium-Polymer battery packs (the battery packs are not included). The board design provides constant current charging followed by constant voltage charging with automatic charge termination. As provided, the MCP7386X Evaluation Board is set for a fast charge current level of 1.1A for single cell applications. The MCP73861 is equipped with shutdown control, status indicator, fault indicator, safety timer, and continuous cell temperature monitor. For dual cell applications, the MCP73862 or the MCP73864 can be substituted for the MCP73861.
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Mixed Signal PIC® Microcontroller Based Solutions

The PIC16F785 Flash Microcontroller offers all of the advantages of the well-recognized mid-range x14 architecture with standardized features including a wide operating voltage of 2.0-5.5 Volts, on-board EEPROM Data Memory and nanoWatt Technology. Analog peripherals include up to 12 channels of 10-bit A/D, 2 operation amplifiers, 2 high-speed analog comparators, and a Bandgap Voltage Reference. Digital peripherals include a standard Capture/Compare/PWM (CCP) module, a 2-phase PWM with asynchronous feedback, a 16-bit timer and 2 8-bit timers.

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