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BQ24721C BQ24721 24721C BQ Battery Charging IC
Reviews
Category: BQ ICs
Description
The BQ24721C BQ24721 24721C BQ Battery Charging IC is a highly integrated synchronous battery charger controller designed for Li-Ion and Li-Polymer battery systems used in notebooks, adapters, and smart power devices. It communicates through the SMBus interface, enabling the host system to configure and monitor charging parameters such as voltage, current, and input limits in real time.
This IC features Dynamic Power Management (DPM), ensuring that system power requirements are prioritized while maintaining efficient battery charging. Integrated high-side and low-side MOSFET drivers provide precise control of power flow between the adapter, system, and battery, optimizing energy efficiency.
The BQ24721 includes multiple protection mechanisms such as over-voltage, over-current, and thermal shutdown, ensuring safe operation under all conditions. Its 32-pin QFN package supports excellent thermal performance and compact PCB integration.
Specification
Technical Summary:
- Synchronous battery charger controller
- Supports single/multi-cell Li-Ion / Li-Pol batteries
- SMBus programmable voltage and current settings
- Dynamic Power Management (DPM) for system priority
- Integrated high-side and low-side MOSFET drivers
- Adapter detection, safety timer, and thermal protection
- Compact 32-pin QFN package
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