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TPS65012 Dataheets PDF



Part Number TPS65012
Manufacturers Texas Instruments
Logo Texas Instruments
Description Power and Battery Management IC
Datasheet TPS65012 DatasheetTPS65012 Datasheet (PDF)

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS65012 SLVS504B – MARCH 2004 – REVISED SEPTEMBER 2015 TPS65012 Power and Battery Management IC for Li-Ion Powered Systems 1 Features •1 Linear Charger Management for Single Li-Ion or Li-Polymer Cells • Dual Input Ports for Charging From USB or From Wall Plug, Handles 100-mA and 500-mA USB Requirements • Charge Current Programmable via External Resistor • 1-A, 95% Efficient Step-Down Converter for I/O and.

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS65012 SLVS504B – MARCH 2004 – REVISED SEPTEMBER 2015 TPS65012 Power and Battery Management IC for Li-Ion Powered Systems 1 Features •1 Linear Charger Management for Single Li-Ion or Li-Polymer Cells • Dual Input Ports for Charging From USB or From Wall Plug, Handles 100-mA and 500-mA USB Requirements • Charge Current Programmable via External Resistor • 1-A, 95% Efficient Step-Down Converter for I/O and Peripheral Components (VMAIN) • 400-mA, 90% Efficient Step-Down Converter for Processor Core (VCORE) • 2x 200-mA LDOs for I/O and Peripheral Components, LDO Enable via Bus • Serial Interface Compatible With I2C, Supports 100-kHz, 400-kHz Operation • LOW_PWR Pin to Lower or Disable Processor Core Supply Voltage in Deep Sleep Mode • 70-µA Quiescent Current • 1% Reference Voltage • Thermal Shutdown Protection 2 Applications • All Single Li-Ion Cell-Operated Products Requiring Multiple Supplies Including: – PDA – Cellular and Smart Phone – Internet Audio Player – Digital Still Camera • Digital Radio Player • Split Supply DSP and µP Solutions 3 Description The TPS65012 device is an integrated power and battery management IC for applications powered by one Li-Ion or Li-Polymer cell and which require multiple power rails. The TPS65012 device provides two highly efficient, 1.25–MHz step down converters targeted at providing the core voltage and peripheral, I/O rails in a processor-based system. Both stepdown converters enter a low-power mode at light load for maximum efficiency across the widest possible range of load currents. The TPS65012 device also integrates two 200-mA LDO voltage regulators, which are enabled via the serial interface. Each LDO operates with an input voltage range between 1.8 V and 6.5 V, allowing them to be supplied from one of the step-down converters or directly from the battery. The TPS65012 device has a highly integrated and flexible Li-Ion linear charger and system power management. It offers integrated USB-port and ACadapter supply management with autonomous powersource selection, power FET and current sensor, high accuracy current and voltage regulation, charge status, and charge termination. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS65012 VQFN (48) 7.00 mm x 7.00 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Block Diagram AC USB ISET TS MAX(AC,USB,VBAT) Linear Charge Controller VBAT PG AGND2 SCLK SDAT IFLSB PS_SEQ LOW_PWR PB_ONOFF BATT_COVER HOT_RESET RESPWRON MPU_RESET INT PWRFAIL GPIO1 GPIO2 GPIO3 GPIO4 VIB LED2 Serial Interface Control UVLO VREF OSC GPIOs Thermal Shutdown VMAIN Step-Down Converter VCORE Step-Down Converter VLDO1 200-mA LDO VLDO2 200-mA LDO VINMAIN L1 VMAIN DEFMAIN PGND1 VCC AGND3 VINCORE L2 VCORE DEFCORE PGND2 VINLDO1 VLDO1 VFB_LDO1 AGND1 VINLDO2 VLDO2 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. TPS65012 SLVS504B – MARCH 2004 – REVISED SEPTEMBER 2015 www.ti.com Table of Contents 1 Features .................................................................. 1 2 Applications ........................................................... 1 3 Description ............................................................. 1 4 Revision History..................................................... 2 5 Pin Configuration and Functions ......................... 3 6 Specifications......................................................... 5 6.1 Absolute Maximum Ratings ...................................... 5 6.2 ESD Ratings.............................................................. 5 6.3 Recommended Operating Conditions....................... 5 6.4 Thermal Information .................................................. 5 6.5 Electrical Characteristics........................................... 6 6.6 Battery Charger Electrical Characteristics ................ 8 6.7 Serial Interface Timing Requirements..................... 11 6.8 Dissipation Ratings ................................................ 11 6.9 Typical Characteristics ............................................ 12 7 Detailed Description ............................................ 17 7.1 Overview ................................................................. 17 7.2 Functional Block Diagram ....................................... 18 7.3 Feature Description................................................. 19 7.4 Device Functional Modes........................................ 28 7.5 Programming........................................................... 35 7.6 Register Maps ......................................................... 39 8 Application and Implementation ........................ 48 8.1 Application Information..................


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