Features for the BQ24140EVM-003
- High-efficiency, fully integrated, NMOS-NMOS, synchronous buck charger with 3-MHz frequency
- Integrated power FETs for up to 1.55-A charge rate from either VIN or VBUS inputs
- Programmable battery voltage, charge current, and input current via I2C™ interface
- VIN operating range 4 V – 9 V and VBUS operating range 4 V – 6 V
- Boost-mode operation for USB OTG from VBUS input while charging through VBAT
- LED indication for status signals
- Test points for key signals available for testing purposes. Easy probe hook-up
- Jumpers available. Easy-to-change connections
Description for the BQ24140EVM-003
The bq24140EVM-003 evaluation module is a complete charger module for evaluating compact, flexible, high-efficiency, USB-friendly, switch-mode charge management and USB-OTG solution for single-cell Li-ion and Li-polymer batteries used in a wide range of portable applications. The bq24140 evaluation module (EVM) is a complete charger module for evaluating compact, flexible,high-efficiency, USB-friendly, switch-mode charge management and USB-OTG solution for single-cell Li-ion and Li-polymer batteries used in a wide range of portable applications. The bq24140, bq24145 integrates a synchronous PWM controller, power MOSFETs, input currentsensing, high-accuracy current and voltage regulation, and charge termination into a small WCSP package. The charge parameters can be programmed through an I2C interface