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BQ24161 Datasheet(PDF) 1 Page - Texas Instruments |
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BQ24161 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 44 page SW SYS BAT DRV PGND PMIDU USB SDA SCL INT BOOT HOST PMIDI IN VBUS D+ D– GND AC Adapter or Wireless Power System Load TS D+ D– VSYS TEMP PACK+ + PACK– – bq24160, bq24161 bq24163, bq24168 www.ti.com SLUSAO0A – NOVEMBER 2011 – REVISED MARCH 2012 2.5A, Dual-Input, Single Cell Switchmode Li-Ion Battery Charger with Power Path Management and I2C Interface Check for Samples: bq24160, bq24161, bq24163, bq24168 1 FEATURES APPLICATIONS 2 • High-Efficiency Switch Mode Charger with • Handheld Products Separate Power Path Control • Portable Media Players – Make a GSM Call with a Deeply Discharged • Portable Equipment Battery or No Battery • Netbook and Portable Internet Devices – Instantly Start Up System from a Deeply Discharged Battery or No Battery DESCRIPTION • Dual Input Charger The bq24160/ bq24161/ bq24163/ bq24168 are highly integrated single cell Li-Ion battery charger and • Highly Integrated Battery N-Channel MOSFET system power path management devices targeted for Controller for Power Path Management space-limited, portable applications with high capacity – 20 V input rating, with Overvoltage batteries. The single cell charger has dual inputs Protection (OVP) which allow operation from either a USB port or – 6.5 V for USB Input higher-power input supply (i.e., AC adapter or wireless charging input) for a versatile solution. The – 10.5 V for IN input (bq24160/1/3) two inputs are fully isolated from each other and are – 6.5 V for IN input (bq24168) easily selectable using the I2C interface. – Integrated FETs for Up to 2.5A Charge Rate APPLICATION SCHEMATIC – Up to 2.5 A from IN Input (input current limit) – Up to 1.5 A from USB Input (input current limit) • Safe and Accurate Battery Management Functions – 0.5% Battery Regulation Accuracy – 10% Charge Current Accuracy • Charge Parameters Programmed Using I2C™ Interface – Charge Voltage, Current, Termination Threshold, Input Current Limit, VINDPM Threshold • Voltage Based, NTC Monitoring Input – JEITA Compatible (bq24160/3/8) • Thermal Regulation Protection for Output Current Control • Low Battery Leakage Current, BAT Short- Circuit Protection • Soft-Start Feature to Reduce Inrush Current • Thermal Shutdown and Protection • Available in small 2.8mm × 2.8mm 49-ball WCSP or 4mm × 4mm QFN-24 Packages 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 I2C is a trademark of NXP Semiconductor. PRODUCTION DATA information is current as of publication date. Copyright © 2011–2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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