BQ24250EVM-150

The BQ24250EVM-150 is an Evaluation Module for evaluate the operation and performance of BQ24250/51/57, a single input I²C/standalone switch-mode Li-Ion battery charger. The BQ2425x series are highly integrated single cell Li-Ion battery chargers targeted for space-limited, portable applications with high capacity batteries. The single cell charger has a single input that operates from either USB port or AC wall adapter for a versatile solution. BC1.2 compliant D+/D detection allows for recognition of CDP, DCP, SDP and non-standard USB adapters. The use of an accessory dead battery provision (DBP) pin allows for the system to sync a dead battery state in order to enable/disable the BC1.2 detection in the case of an external USB-PHI.

• High-efficiency switch-mode charger
• Synchronous fixed-frequency PWM controller operating at 3MHz for small inductor support
• USB charging compliant
• Integrated 50mA LDO
• Integrated power FETs for up to 2A charging rate
• Complete system level protection
• BC1.2 D+/D- detection with dead battery provision (DBP) pin to sync with external USB-PHI
• Open drain status outputs
• Power path management for the BQ24250/1