Чип Texas Instruments BQ24725A Battery SMBus Charge Controller, нов
- SMBus Host-Controlled NMOS-NMOS Synchronous Buck Converter with Programmable 615kHz, 750kHz, and 885kHz Switching Frequencies - Automatic N-channel MOSFET Selection of System Power Source from Adapter or Battery Driven by Internal Charge Pumps - Enhanced Safety Features for Over Voltage Protection, Over Current Protection, Battery, Inductor and MOSFET Short Circuit Protection - 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 Battery Depletion Threshold, and Battery LEARN Function - Programmable Adapter Detection and Indicator - Integrated Soft Start - Integrated Loop Compensation - Real Time System Control on ILIM pin to Limit Charge Current - AC Adapter Operating Range 4.5V-24V - 5µA Off-State Battery Discharge Current - 0.65mA (0.8mA max) Adapter Standby Quiescent Current - 20-pin 3.5 x 3.5 mm2 VQFN Package |