BQ24192IRGER Power Path Management IC Battery Management I2C Cntrl 4.5A Sgl

1 Features

• High Efficiency 4.5-A Switch Mode Charger

  • – 92% Charge Efficiency at 2 A, 90% at 4 A

  • – Accelerate Charge Time by Battery Path Impedance Compensation

• Compatible with MaxLife Technology for Faster Charging When Used in Conjunction With bq27531

• Highest Battery Discharge Efficiency with 12-mΩ Battery Discharge MOSFET up to 9-A Discharge Current

• Single Input USB-compliant/Adapter Charger

  • – USB Host or Charging Port D+/D- Detection Compatible to USB Battery Charger Spec 1.2

  • – Input Voltage and Current Limit Supports USB2.0 and USB3.0

  • – Input Current Limit: 100 mA, 150 mA, 500 mA, 900 mA, 1.2 A, 1.5 A, 2 A and 3 A

• 3.9-V to 17-V Input Operating Voltage Range

– Support All Kinds of Adapter with Input Voltage DPM Regulation
• USB OTG 5 V at 1.3-A Synchronous Boost Converter Operation
– 93% 5-V Boost Efficiency at 1 A

• Narrow VDC (NVDC) Power Path Management

  • – Instant-on Works with No Battery or Deeply Discharged Battery

  • – Ideal Diode Operation in Battery Supplement Mode

• 1.5-MHz Switching Frequency for Low Profile Inductor

• Autonomous Battery Charging with or without Host Management

  • – Battery Charge Enable

  • – Battery Charge Preconditioning

  • – Charge Termination and Recharge

• High Accuracy (0°C to 125°C)

  • – ±0.5% Charge Voltage Regulation

  • – ±7% Charge Current Regulation

  • – ±7.5% Input Current Regulation

  • – ±2% Output Regulation in Boost Mode

• High Integration

• – Integrated Current Sensing

• – Bootstrap Diode

• – Internal Loop Compensation

• Safety

  • – Battery Temperature Sensing and Charging Safety Timer

  • – Thermal Regulation and Thermal Shutdown

  • – Input System Over-Voltage Protection

  • – MOSFET Over-Current Protection

• Charge Status Outputs for LED or Host Processor

• Low Battery Leakage Current and Support Shipping Mode

• 4.00 mm x 4.00 mm VQFN-24 Package
  

2 Applications

• Tablet PC and Smart Phone

• Portable Audio Speaker

• Portable Media Players

• Internet Devices
  

3 Description
The bq24190, bq24192, and bq24192I are highly- integrated switch-mode battery charge management and system power path management devices for single cell Li-Ion and Li-polymer battery in a wide range of tablet and other portable devices.
Device Information