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DATA SHEET
bq24079QW-Q1 Automotive Qualified 4.1-V Battery Voltage Li-Ion Battery Charger with NTC Monitoring and Power Path
1 Features
- Qualified for Automotive Applications
- AEC-Q100 Qualified with the Following Results:
- Device Temperature Grade 1: -40°C to +125°C Ambient Operating Temperature Range
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C4A
- Fully Compliant USB Charger
- Selectable 100-mA and 500-mA Maximum Input Current
- 100-mA Maximum Current Limit Ensures Compliance to USB-IF Standard
- Input Based Dynamic Power Management (VIN-DPM) for Protection Against Poor USB Sources
- 28-V Input Rating with Overvoltage Protection
- 4.1-V Battery Regulation Voltage
- Integrated Dynamic Power-Path Management (DPPM) Function Simultaneously and Independently Powers the System and Charges the Battery
- Supports up to 1.5-A Charge Current with Current Monitoring Output (ISET)
- Programmable Input Current Limit up to 1.5 A for Wall Adapters
- Battery Disconnect Function with SYSOFF Input
- Programmable Pre-Charge and Fast-Charge Safety Timers
- Reverse Current, Short-Circuit, and Thermal Protection
- NTC Thermistor Input
- Proprietary Start Up Sequence Limits Inrush Current
- Status Indication – Charging/Done, Power Good
- Small 3 mm × 3 mm 16 Lead VQFN Package with Wettable Flank
2 Applications
- Automotive Telematics
- Fleet Management
- Display Key/Smart Key
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