bq24726 Overview
The bq24726 is a high-efficiency, synchronous battery charger, offering low ponent count for space-constraint, multi-chemistry battery charging applications. The bq24726 utilize charge pump to drive n-channel RBFET to improve system efficiency. SMBus controlled input current, charge current, and charge voltage DACs allow for high regulation accuracies that can be programmed by the system power management...
bq24726 Key Features
- 2 SMBus Host-Controlled NMOS-NMOS Synchronous Buck Converter with Programmable 615kHz, 750kHz, and 885kHz Switching Freq
- Internal Charge Pump Driving Reverse Blocking MOSFET (RBFET)
- Real Time System Control on ILIM pin to Limit Charge Current
- Enhanced Safety Features for Over Voltage Protection, Over Current Protection, Battery, Inductor, and MOSFET Short Circu
- Programmable Input Current, Charge Voltage, Charge Current Limits
- ±0.5% Charge Voltage Accuracy up to 19.2V
- ±3% Charge Current Accuracy up to 8.128A
- ±3% Input Current Accuracy up to 8.064A
- ±2% 20x Adapter Current or Charge Current Amplifier Output Accuracy
- Programmable Adapter Detection and Indicator