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BQ24072TRGTR Datasheet(PDF) 1 Page - Texas Instruments |
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BQ24072TRGTR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 36 page IN VSS BAT DC GND Adaptor bq24075T bq24079T OUT EN2 TS TEMP PACK- SYSTEM SYSOFF System ON /OFF Control 13 8 15 1 2 3 5 10 11 1mF 4.7 mF 4.7 mF 1 kW 1.18 kW 1 kW 10 kW 1.13 kW 13 kW VIN PACK+ bq24072T bq24072T bq24075T, bq24079T www.ti.com SLUS937A – DECEMBER 2009 – REVISED APRIL 2010 1.5A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC Check for Samples: bq24072T, bq24075T, bq24079T 1 FEATURES • Proprietary Start Up Sequence Limits Inrush Current • Fully Compliant USB Charger • Status Indication – Charging/Done, Power • Selectable 100mA and 500mA Maximum Input Good Current • Small 3 mm × 3 mm 16 Lead QFN Package • 100mA Maximum Current Limit Ensures Compliance to USB-IF Standard APPLICATIONS • Input based Dynamic Power Management • Smart Phones (VIN-DPM) for Protection Against Poor USB • PDAs Sources • MP3 Players • 28V Input Rating with Over-voltage Protection • Low-Power Handheld Devices • Integrated Dynamic Power Path Management (DPPM) Function Simultaneously and DESCRIPTION Independently Powers the System and Charges the Battery The bq2407xT series of devices are integrated Li-ion linear chargers and system power path management • System Output Tracks Battery Voltage devices targeted at space-limited portable (bq24072T) applications. The devices operate from either a USB • Supports up to 1.5A Charge Current with port or AC adapter and support charge currents up to Current Monitoring Output (ISET) 1.5A. The input voltage range with input over-voltage protection supports unregulated adapters. The USB • Programmable Input Current Limit up to 1.5A input current limit accuracy and start up sequence for Wall Adapters allow the bq2407xT to meet USB-IF inrush current • Battery Disconnect Function with SYSOFF specification. Additionally, the input dynamic power Input management (VIN-DPM) prevents the charger from • Reverse Current, Short-Circuit and Thermal crashing incorrectly configure USB sources. Protection (Description continued on next page) • Flexible Voltage Based NTC Thermistor Input 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. PRODUCTION DATA information is current as of publication date. Copyright © 2009–2010, 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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