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TPS65022RHATG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS65022RHATG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 45 page www.ti.com FEATURES DESCRIPTION APPLICATIONS TPS65022 SLVS667 – JULY 2006 POWER MANAGEMENT IC FOR LI-ION POWERED SYSTEMS • 1.2 A, 97% Efficient Step-Down Converter for The TPS65022 is an integrated Power Management System Voltage (VDCDC1) IC for applications powered by one Li-Ion or Li-Polymer cell, and which require multiple power • 1 A, Up to 95% Efficient Step-Down Converter rails. The TPS65022 provides three highly efficient, for Memory Voltage (VDCDC2) step-down converters targeted at providing the core • 900 mA, 90% Efficient Step-Down Converter voltage, peripheral, I/O and memory rails in a for Processor Core (VDCDC3) processor based system. All three step-down • 30 mA LDO/Switch for Real Time Clock converters enter a low-power mode at light load for maximum efficiency across the widest possible range (VRTC) of load currents. The TPS65022 also integrates two • 2 x 200 mA General-Purpose LDO general-purpose 200 mA LDO voltage regulators, • Dynamic Voltage Management for Processor which are enabled with an external input pin. Each Core LDO operates with an input voltage range between 1.5 V and 6.5 V, allowing them to be supplied from • Preselectable LDO Voltage Using Two Digital one of the step-down converters or directly from the Input Pins battery. The default output voltage of the LDOs can • Externally Adjustable Reset Delay Time be digitally set to 4 different voltage combinations • Battery Backup Functionality using the DEFLDO1 and DEFLDO2 pins. The serial interface can be used for dynamic voltage scaling, • Separate Enable Pins for Inductive masking interrupts, or for dis/enabling and setting the Converters LDO output voltages. The interface is compatible • I2C™ Compatible Serial Interface with the Fast/Standard mode I2C specification, • 85- µA Quiescent Current allowing transfers at up to 400 kHz. The TPS65022 is available in a 40-pin (RHA) QFN package, and • Low Ripple PFM Mode operates over a free-air temperature of -40 °C to • Thermal Shutdown Protection 85 °C. • 40-Pin 6 mm x 6 mm QFN Package • PDA • Cellular/Smart Phone • Internet Audio Player • Digital Still Camera • Digital Radio Player • Split Supply TMS320™ DSP Family and µP Solutions: OMAP™1610, OMAP1710, OMAP330, XScale Bulverde, Samsung ARM-Based Processors, etc. • Intel ® PXA270, etc. 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. TMS320, OMAP, PowerPAD are trademarks of Texas Instruments. Intel is a registered trademark of Intel Corporation. I2C is a trademark of Philips Electronics. PRODUCTION DATA information is current as of publication date. Copyright © 2006, 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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