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TPS65010 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS65010 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 50 page  www.ti.com FEATURES DESCRIPTION APPLICATIONS TPS65010 SLVS149A – JUNE 2003 – REVISED JANUARY 2004 POWER AND BATTERY MANAGEMENT IC FOR Li-ION POWERED SYSTEMS • Linear Charger Management for Single Li-Ion The TPS65010 is an integrated power and battery or Li-Polymer Cells management IC for applications powered by one Li-Ion or Li-Polymer cell, and which require multiple • Dual Input Ports for Charging From USB or power rails. The TPS65010 provides two highly From Wall Plug, Handles 100-mA / 500-mA efficient, step-down converters targeted at providing USB Requirements the core voltage and peripheral, I/O rails in a pro- • Charge Current Programmable Via External cessor-based system. Both step-down converters en- Resistor ter a low power mode at light load for maximum efficiency across the widest possible range of load • 1 A, 95% Efficient Step-Down Converter for currents. The LOW_PWR pin allows the core con- I/O and Peripheral Components (VMAIN) verter to lower its output voltage when the application • 400 mA, 90% Efficient Step-Down Converter processor goes into deep sleep. The TPS65010 also for Processor Core (VCORE) integrates two 200-mA LDO voltage regulators, which • 2x 200-mA LDOs for I/O and Peripheral are enabled via the serial interface. Each LDO Components, LDO Enable via Bus operates with an input voltage range between 1.8 V and 6.5 V, allowing them to be supplied from one of • Serial Interface Compatible With I2C, Supports the step-down converters or directly from the battery. 100-kHz, 400-kHz Operation The TPS65010 also has a highly integrated and • LOW_PWR Pin to Lower or Disable Processor flexible Li-Ion linear charger and system power man- Core Supply Voltage in Deep Sleep Mode agement. It offers integrated USB-port and • 70-µA Quiescent Current ac-adapter supply management with autonomous • 1% Reference Voltage power-source selection, power FET and current sensor, high accuracy current and voltage regulation, • Thermal Shutdown Protection charge status, and charge termination. The TPS65010 charger automatically selects the • All Single Li-Ion Cell Operated Products USB-Port or the ac-adapter as the power source for Requiring Multiple Supplies Including: the system. In the USB configuration, the host can increase the charge current from the default value of – PDA maximum 100 mA to 500 mA via the interface. In the – Cellular/Smart Phone ac-adapter configuration an external resistor sets the – Internet Audio Player maximum value of charge current. – Digital Still Camera The battery is charged in three phases: conditioning, • Digital Radio Player constant current, and constant voltage. Charge is • Split Supply DSP and µP Solutions normally terminated based on minimum current. An internal charge timer provides a safety backup for charge termination. The TPS65010 automatically restarts the charge if the battery voltage falls below an internal threshold. The charger automatically en- ters sleep mode when both supplies are removed. 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. I2C is a trademark of Phillips. PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2003–2004, 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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