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bq24075TRGTR Datasheet(PDF) 1 Page - Texas Instruments |
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bq24075TRGTR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 29 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+ bq24075T bq24079T www.ti.com SLUS937 – DECEMBER 2009 1.5A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC Check for Samples: bq24075T, bq24079T 1 FEATURES Current • Fully Compliant USB Charger • Status Indication – Charging/Done, Power Good • Selectable 100mA and 500mA Maximum Input Current • Small 3 mm × 3 mm 16 Lead QFN Package • 100mA Maximum Current Limit Ensures APPLICATIONS Compliance to USB-IF Standard • Smart Phones • Input based Dynamic Power Management • PDAs (VIN-DPM) for Protection Against Poor USB • MP3 Players Sources • Low-Power Handheld Devices • 28V Input Rating with Overvoltage Protection • Integrated Dynamic Power Path Management DESCRIPTION (DPPM) Function Simultaneously and Independently Powers the System and The bq2407xT series of devices are integrated Li-ion Charges the Battery linear chargers and system power path management devices targeted at space-limited portable • Supports up to 1.5A Charge Current with applications. The devices operate from either a USB Current Monitoring Output (ISET) port or AC adapter and support charge currents up to • Programmable Input Current Limit up to 1.5A 1.5A. The input voltage range with input overvoltage for Wall Adapters protection supports unregulated adapters. The USB input current limit accuracy and start up sequence • Battery Disconnect Function with SYSOFF allow the bq2407xT to meet USB-IF inrush current Input specification. Additionally, the input dynamic power • Reverse Current, Short-Circuit and Thermal management (VIN-DPM) prevents the charger from Protection crashing incorrectly configure USB sources. • Flexible Voltage Based NTC Thermistor Input (Description continued on next page) • Proprietary Start Up Sequence Limits Inrush 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, 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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