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TPS65051-Q1 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS65051-Q1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 40 page TPS65050-Q1, TPS65051-Q1, TPS65052-Q1 TPS65054-Q1, TPS65056-Q1 www.ti.com SLVSBJ1A – SEPTEMBER 2012 – REVISED NOVEMBER 2012 6-CHANNEL POWER MGMT IC WITH TWO STEP-DOWN CONVERTERS AND 4 LOW-INPUT-VOLTAGE LDOs , TPS65051-Q1 1 FEATURES • Two General-Purpose 200-mA, High-PSRR LDOs 2 • Qualified for Automotive Applications • VI Range for LDOs from 1.5 V to 6.5 V • AEC-Q100 Qualified With the Following • Digital Voltage Selection for the LDOs Results: • Available in a 4-mm × 4-mm 32-Pin QFN – Device Temperature Grade 1: –40°C to Package 125°C Ambient Operating Temperature Range APPLICATIONS – Device HBM ESD Classification Level H2 Automotive – Device CDM ESD Classification Level C3B • Up To 95% Efficiency DESCRIPTION • Output Current for DC-DC Converters: The TPS6505x-Q1 devices are integrated power- – TPS65050-Q1: 2 × 0.6 A management ICs for applications powered by one Li- Ion or Li-Polymer cell, which require multiple power – TPS65051-Q1: DCDC1 = 1 A; DCDC2 = 0.6 A rails. The TPS6505x-Q1 provides two efficient, 2.25- – TPS65052-Q1: DCDC1 = 1 A; DCDC2 = 0.6 A MHz step-down converters targeted at providing the – TPS65054-Q1: 2 × 0.6 A core voltage and I/O voltage in a processor-based system. Both step-down converters enter a low-power – TPS65056-Q1: DCDC1 = 1 A; DCDC2 = 0.6 A mode at light load for maximum efficiency across the • Output Voltages for DC-DC Converters: widest possible range of load currents. – TPS65050-Q1: Externally Adjustable For low-noise applications, the user can force the – TPS65051-Q1: Externally Adjustable devices into fixed-frequency PWM mode by pulling – TPS65052-Q1: DCDC1 = Fixed at 3.3 V; the MODE pin high. Operating in the shutdown mode DCDC2 = 1 V or 1.3 V for Samsung reduces the current consumption to less than 1 μA. The devices allow the use of small inductors and Application Processors capacitors to achieve a small solution size. The – TPS65054-Q1: DCDC1 = Externally TPS6505x-Q1 provides an output current of up to 1 A Adjustable; DCDC2 = 1.3 V or 1.05 V for on each dc-dc converter. The TPS6505x-Q1 also OMAP™1710 Processor integrates two 400-mA LDO and two 200-mA LDO – TPS65056-Q1: DCDC1 = Fixed at 3.3 V; voltage regulators, which one can turn on or off using DCDC2 = 1 V or 1.3 V for Samsung separate enable pins on each LDO. Each LDO Application Processors operates with an input voltage range between 1.5 V and 6.5 V, allowing their supply to be from one of the • VI Range for DC-DC Converters step-down converters or directly from the main From 2.5 V to 6 V battery. • 2.25-MHz Fixed-Frequency Operation Four digital input pins set the output voltage of the • Power-Save Mode at Light Load Current LDOs from a set of 16 different combinations for • 180° Out-of-Phase Operation LDO1 to LDO4 on TPS65050-Q1 and TPS65052-Q1. In TPS65051-Q1, TPS65054-Q1, and TPS65056-Q1, • Output-Voltage Accuracy in PWM Mode ±1% the LDO voltages are adjustable using external • Low-Ripple PFM Mode resistor dividers. • Total Typical 32- μA Quiescent Current for Both The TPS6505x-Q1 devices come in a small 32-pin DC-DC Converters leadless package (4-mm × 4-mm QFN) with a 0.4- • 100% Duty Cycle for Lowest Dropout mm pitch. • Two General-Purpose 400-mA, High-PSRR LDOs 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. 2 OMAP is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2012, 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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