BQ24195L

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq24195, bq24195L SLUSB97A – OCTOBER 2012 – REVISED DECEMBER 2014 bq24195 I2C Controlled 2.5-A /4.5-A Single Cell USB/Adapter Charger with 5.1 V at 1 A /5.1 V at 2.1 A Synchronous Boost Operation 1 Features High Efficiency Switch Mode Charger – 2.5-A (bq24195L) or 4.5-A (bq24195) Fast Charging – 92% Charge Efficiency at 2 A, 90% at 4 A Synchronous Boost Converter in Battery Boost Mode – 5.1 V at 1 A (bq24195L) or 5.1 V at 2.1 A (bq24195) – 94% 5.1-V Boost Efficiency at 1 A, 91% at 2.1 A 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 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 Regul...