Texas Instruments BQ725
The bq24725 is a high-efficiency, synchronous battery charger, offering low component count for space-constraint, multi-chemistry battery charging applications. The bq24725 uses two charge pumps to separately drive n-channel MOSFETs (ACFET, RBFET and BATFET) for automatic system power source selection.| Part No. | BQ725 |
|---|---|
| Datasheet | BQ725 Download |
| Manufacturer |  Texas Instruments |
| Description | 2-4 Cell Li+ Battery SMBus Charge Controller |
| Buy | Stock & Price |
FEATURES
1●2 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 LERAN 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 9V-24V
● 5µA Off-State Battery Discharge Current
● 20-pin 3.5 x 3.5 mm2 QFN...
