Other Parts Discussed in Thread: BQ25120,
The BQ25120A is the new revision of the BQ25120 (not recommend for new designs). They are pin-to-pin and software compatible, but the BQ25120A has added improvements such as:
- Added quick output discharge feature on PMID when going to ship mode
- Improvement on state machine when connected to wireless charging on VIN side
- Improvement on ship mode entry when VIN and MR are glitching
- VIN Startup with any VBAT voltage
- Charging progress indication status feedback addressing VBATREG < VBAT values
The BQ25120 is not recommended for new designs. Please refer to the BQ25120A datasheet when you are designing your system.