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TPS65020RHA Datasheet(PDF) 1 Page - Texas Instruments |
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TPS65020RHA Datasheet(HTML) 1 Page - Texas Instruments |
1 / 44 page www.ti.com FEATURES DESCRIPTION APPLICATIONS TPS65020 SLVS607 – SEPTEMBER 2005 POWER MANAGEMENT IC FOR LI-ION POWERED SYSTEMS • 1.2 A, 97% Efficient Step-Down Converter for The TPS65020 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 TPS65020 provides three highly efficient, for Memory Voltage (VDCDC2) step-down converters targeted at providing the core • 800 mA, 90% Efficient Step-Down Converter voltage, peripheral, I/O and memory rails in a pro- for Processor Core (VDCDC3) cessor based system. All three step-down converters • 20 mA LDO/Switch for Real Time Clock enter a low-power mode at light load for maximum efficiency across the widest possible range of load (VRTC) currents. The TPS65020 also integrates two 50 mA • 2 × 50 mA LDO for SRAM and PLL LDO voltage regulators, which are enabled with an • Dynamic Voltage Management for Processor external input pin. Each LDO operates with an input Core voltage range between 1.5 V and 6.5 V, allowing them to be supplied from one of the step-down • Externally Adjustable Reset Delay Time converters or directly from the main battery. The two • Battery Backup Functionality 50-mA LDO voltage regulators are intended for use • Separate Enable Pins for Inductive Converters with the SDRAM and PLL power supply in a Intel • I2C™ Compatible Serial Interface PXA270 based system. The serial interface is used for dynamic voltage scaling of the core voltage, • 85- µA Quiescent Current masking interrupts, or for dis/enabling and setting the • Low Ripple PFM Mode LDO output voltages. The interface is compatible with • Thermal Shutdown Protection the Fast/Standard mode I2C™ specification, allowing transfers at up to 400 kHz. • Push Button I/O The TPS65020 incorporates a push button debounced input and latched output for implemen- tation of a push-button turn-on feature, typically • PDA required in smartphones or wireless PDAs. • Cellular/Smart Phone • Internet Audio Player • Digital Still Camera • Digital Radio Player • Split Supply DSP and µP Solutions: OMAP1610, OMAP1710, OMAP330 • 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. PowerPAD is a trademark of Texas Instruments. I2C is a trademark of Philips Electronics. PRODUCTION DATA information is current as of publication date. Copyright © 2005, 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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