IC Charge BQ737, BQ24737
The BQ737, BQ24737 is a high-efficiency, synchronous battery charger, offering low component count for space-constraint, multi-chemistry battery charging applications. SMBus controlled input current, charge current, and charge voltage DACs allow for high regulation accuracies that can be programmed by the system power management micro-controller.
Features
1. Programmable Adapter Detection and Indicator
2. Integrated Soft Start
3. Integrated Loop Compensation
4. Real Time System Control on ILIM pin to Limit Charge Current
Applications
1. Portable Notebook Computers, UMPC, Ultra-Thin Notebook, and Netbook
2. Personal Digital Assistant
3. Handheld Terminal
4. Industrial and Medical Equipment
5. Portable Equipment
The device uses two charge pumps to separately drive N-channel MOSFETs (ACFET RBFET, and BATFET) for automatic system power source selection. SMBus controlled input current, charge current, and charge voltage digital-to-analog converters (DACs) allow for very high-regulation accuracies that can be easily programmed by the system power management microcontroller.
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