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TPS650732-Q1 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS650732-Q1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 91 page TPS65070-Q1, TPS65072-Q1, TPS65073-Q1, TPS650732-Q1 www.ti.com SLVSAP7 – JANUARY 2011 Single Chip Power Solution for Battery Powered Systems Check for Samples: TPS65070-Q1, TPS65072-Q1, TPS65073-Q1, TPS650732-Q1 1 FEATURES • 10 Bit A/D Converter 2 • Qualified for Automotive Applications • Touch Screen Interface • Charger/Power Path Management: • Undervoltage Lockout and Battery Fault Comparator – 2A Output Current on the Power Path – Linear Charger; 1.5A Maximum Charge APPLICATIONS Current • Portable Navigation Systems – 100mA/500mA/ 800mA/1300mA Current • Low-Power DSP Supply Limit From USB Input – Thermal Regulation, Safety Timers DESCRIPTION – Temperature Sense Input The TPS6507x are single chip Power Management • 3 Step-Down Converters: ICs for portable applications consisting of a battery – 2.35MHz Fixed Frequency Operation charger with power path management for a single Li-Ion or Li-Polymer cell. The charger can either be – Up to 1.5A of Output Current supplied by a USB port on pin USB or by a dc voltage – Adjustable or Fixed Output Voltage from a wall adapter connected to pin AC. Three – VIN Range From 2.8V to 6.3V highly efficient 2.25MHz step-down converters are targeted at providing the core voltage, memory and – Power Save Mode at Light Load Current I/O voltage in a processor based system. The – Output Voltage Accuracy in PWM Mode step-down converters enter a low power mode at light ±1.5% load for maximum efficiency across the widest – Typical 19 mA Quiescent Current per possible range of load currents. For low noise Converter applications the devices can be forced into fixed frequency PWM using the I2C interface. The – 100% Duty Cycle for Lowest Dropout step-down converters allow the use of small inductors • LDOs: and capacitors to achieve a small solution size. The – Fixed Output Voltage TPS6507x also integrate two general purpose LDOs for an output current of 200mA. These LDOs can be – Dynamic Voltage Scaling on LDO2 used to power an SD-card interface and an – 20mA Quiescent Current always-on rail, but can be used for other purposes as – 200mA Maximum Output Current well. Each LDO operates with an input voltage range between 1.8V and 6.3V allowing them to be supplied – VIN Range From 1.8V to 6.3V from one of the step-down converters or directly from • wLED Boost Converter: the main battery. An inductive boost converter with – Internal Dimming Using I2C two programmable current sinks power two strings of white LEDs. – Up to 2 × 10 LEDs – Up to 25mA per String With Internal Current The TPS6507x come in a 48-pin leadless package Sink (6mm × 6mm QFN) with a 0.4mm pitch. • I2C 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. 2 PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2011, 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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