BQ25720 Description
The BQ25720 is a synchronous NVDC buck-boost battery charge controller to charge a 1- to 4-cell battery from a wide range of input sources including USB adapter, high voltage USB-C Power Delivery (PD) sources, and traditional adapters. Device Information PART NUMBER PACKAGE(1) BODY SIZE (NOM) BQ25720 WQFN (32) 4.00 mm × 4.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet....
BQ25720 Key Features
- Pin-to-pin patible to BQ25710
- 3.5-V to 26-V input range to charge 1- to 4-cell battery
- Charge current up to 16.2 A/8.1 A with 128mA/64-mA resolution based on 5-mΩ/10-mΩ sensing resistor
- Input current limit up to 10 A/6.35 A with 100mA/50-mA resolution based on 5-mΩ/10-mΩ sensing resistor
- Support USB 2.0, USB 3.0, USB 3.1 and USB Power Delivery (PD)
- Input Current Optimizer (ICO) to extract max input power without overloading the adapter
- Integrated Fast Role Swap (FRS) feature following USB-PD specification
- Seamless transition between buck, buck-boost, and boost operations
- Input current and voltage regulation (IINDPM and VINDPM) against source overload
- TI patented switching frequency dithering pattern for EMI noise reduction