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TPS65090ARVNR Datasheet(PDF) 2 Page - Texas Instruments |
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TPS65090ARVNR Datasheet(HTML) 2 Page - Texas Instruments |
2 / 67 page TPS65090A www.ti.com SLVSBO6A – JANUARY 2013 – REVISED JULY 2013 Frontend PMU With Switchmode Charger for 2-3 Cells In Series 1 INTRODUCTION 1.1 FEATURES 1 • Wide Input Voltage Charger/Power Path • 7 Current Limited Load Switches: Management: – One System Voltage Switch with 1 A Current – VIN Range From 6 V to 17 V Limit – Up to 4 A Output Current on the Power Path – One 5 V Switch with 200 mA Current Limit, reverse voltage protected – Switchmode Charger; up to 4 A Maximum Charge Current – One 3.3 V Switch with 3 A Current Limit – JEITA Compliant Charging Control – Four 3.3 V Switches with 1 A Current Limit – Thermal Regulation, Safety Timers – All Switches Controlled by I2C Interface – 2 Temperature Sense Inputs • I2C Interface • 3 Step-Down Converters: – Standard-mode (100 kHz) supported – High Efficiency over a wide Output Current – Fast-mode (400 kHz) supported Range – Fast-mode Plus (1000 kHz) supported – VIN Range From 6 V to 17 V – High speed (3.4 MHz) supported – 2 Fixed Output Voltages ( 5 V and 3.3 V) • 16 Channel 10 Bit A/D Converter • Up to 5 A of Continuous Output Current • Available in a 9 x 9-mm, VQFN-100 Package – 1 Adjustable Output Voltage (between 1.0V and 5.0V) 1.2 APPLICATIONS • Up to 4 A of Continuous Output Current • Battery Powered Products using 2 to 3 Li-Cells – Output Voltage Accuracy ±1% in Series – Typical 30 μA Quiescent Current per • Notebook Computer Converter • Mobile PC's and Mobile Internet Devices • 2 Always On LDO's: • Industrial Metering Equipment – 2 Fixed Output Voltages ( 5 V and 3.3 V) – Output Voltage Accuracy ±1% • Personal Medical Products – Typical 10 μA Quiescent Current per LDO 1.3 DESCRIPTION The TPS65090A is a single chip Power Management ICs for portable applications consisting of a battery charger with power path management for a dual or triple Li-Ion or Li-Polymer cell battery pack. The charger can be directly connected to an external wall adapter. Three highly efficient step-down converters are targeted for providing a fixed 5 V system voltage, a fixed 3.3 V system voltage and an adjustable voltage rail. The step-down converters enter a low power mode at light load for maximum efficiency across the widest possible range of load currents. The step-down converters allow the use of small inductors and capacitors to achieve a small solution size. The TPS65090A also integrates two general purpose always on LDOs for powering circuit blocks which control the system while shut down. Each LDO operates with an input voltage range between 6 V and 17 V allowing them to be supplied from the wall adapter or directly from the main battery pack. The device also has 7 load switches built-in. They can be used to control the power supply individually for certain circuit blocks in the application circuit. The current flowing through the load switches, as well as the output current of the step-down converters, the input current from the AC adaptor and the charge current is monitored and can be read out using the digital interface. 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. Products conform to Copyright © 2013, Texas Instruments Incorporated specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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