BQ25703A
BQ25703A is I2C Multi-Chemistry Battery Buck-Boost Charge Controller manufactured by Texas Instruments.
Features
- 1 Charge 1- to 4-Cell Battery From Wide Range of Input Sources
- 3.5-V to 24-V Input Operating Voltage
- Supports USB2.0, USB 3.0, USB 3.1 (Type C), and USB_PD Input Current Settings
- Seamless Transition Between Buck and Boost Operation
- Input Current and Voltage Regulation (IDPM and VDPM) Against Source Overload
- Power/Current Monitor for CPU Throttling
- prehensive PROCHOT Profile, IMVP8 pliant
- Input and Battery Current Monitor
- System Power Monitor, IMVP8 pliant
- Narrow-VDC (NVDC) Power Path Management
- Instant-On With No Battery or Deeply Discharged Battery
- Battery Supplements System When Adapter is Fully-Loaded
- Power Up USB Port From Battery (USB OTG)
- Output 4.48-V to 20.8-V patible With USB PD
- Output Current Limit up to 6.35 A
- 800-k Hz or 1.2-MHz Programmable Switching Frequency for 1-µH to 3.3-µH Inductor
- Host Control Interface for Flexible System Configuration
- I2C (bq25703A) Port for Optimal System Performance and Status Reporting
- Hardware Pin to Set Input Current Limit Without EC Control
- Integrated ADC to Monitor Voltage, Current and Power
- High Accuracy Regulation and Monitor
- ±0.5% Charge Voltage Regulation
- ±2% Input/Charge Current Regulation
- ±2% Input/Charge Current Monitor
- ±5% Power Monitor
- Safety
- Thermal Shutdown
- Input, System, Battery Overvoltage Protection
- MOSFET Inductor Overcurrent Protection
- Low Battery Quiescent Current
- Input Current Optimizer (ICO) to Extract Max Input Power
- Charge Any Battery Chemistry: Li+, Li Fe PO4, Ni Cd, Ni MH, Lead Acid
- Package: 32-Pin 4 × 4 WQFN
2 Applications
- Drones, Bluetooth Speakers, IP Cameras, Detachable, Tablet PCs and Power Bank
- Industrial and Medical Equipment
- Portable Equipment With Rechargeable Batteries
3...
