SLVSBO6B January   2013  – July 2015 TPS65090

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics - Power Path Control
    6. 6.6  Electrical Characteristics - Charger
    7. 6.7  Electrical Characteristics - DC-DC Converters
    8. 6.8  Electrical Characteristics - Linear Regulators
    9. 6.9  Electrical Characteristics - Load Switches
    10. 6.10 Electrical Characteristics - Control
    11. 6.11 Timing Requirements - I2C Interface
    12. 6.12 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Always On LDOs
      2. 7.3.2 Power Path Control
      3. 7.3.3 Supply Status Outputs
      4. 7.3.4 Charger
      5. 7.3.5 DC-DC Converters
      6. 7.3.6 Load Switches
      7. 7.3.7 ADC
      8. 7.3.8 Protection
      9. 7.3.9 Interrupts
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
      1. 7.5.1 I2C Interface
        1. 7.5.1.1 F/S-Mode Protocol
        2. 7.5.1.2 H/S-Mode Protocol
    6. 7.6 Register Maps
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Front-End PMU Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Programming the Converter or Charger Output Voltage
          2. 8.2.1.2.2 Programming Input DPM Current and Charge Current
          3. 8.2.1.2.3 Output Filter Design (Inductor and Output Capacitor)
          4. 8.2.1.2.4 Inductor Selection
          5. 8.2.1.2.5 Capacitor Selection
            1. 8.2.1.2.5.1 Input Capacitor
            2. 8.2.1.2.5.2 DC-DC Converter and Charger Bootstrap Capacitors
            3. 8.2.1.2.5.3 DC-DC Converter and Charger Output Capacitors
            4. 8.2.1.2.5.4 LDO Output Capacitors
            5. 8.2.1.2.5.5 Load Switches Output Capacitors
          6. 8.2.1.2.6 Charger Battery Temperature Sensing
          7. 8.2.1.2.7 Reverse Voltage Protection
          8. 8.2.1.2.8 AC Switches
          9. 8.2.1.2.9 Battery Switches
        3. 8.2.1.3 Application Curves
      2. 8.2.2 DC-DC Converters
      3. 8.2.3 Charger
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • Wide Input Voltage Charger and Power Path Management:
    • VIN Range From 6 V to 17 V
    • Up to 4-A Output Current on the Power Path
    • Switched-Mode Charger; up to 4-A Maximum Charge Current
    • JEITA Compliant Charging Control
    • Thermal Regulation, Safety Timers
    • 2 Temperature Sense Inputs
  • 3 Step-Down Converters:
    • High Efficiency Over a Wide Output Current Range
    • VIN Range From 6 V to 17 V
    • 2 Fixed Output Voltages (5 V and 3.3 V)
      • Up to 5 A of Continuous Output Current
    • 1 Adjustable Output Voltage (From 1 V to 5 V)
      • Up to 4 A of Continuous Output Current
    • Output Voltage Accuracy ±1%
    • Typical 30-μA Quiescent Current Per Converter
  • 2 Always-On LDOs:
    • 2 Fixed Output Voltages (5 V and 3.3 V)
    • Output Voltage Accuracy ±1%
    • Typical 10-μA Quiescent Current per LDO
  • 7 Current-Limited Load Switches:
    • One System Voltage Switch With 1-A Current Limit
    • One 5-V Switch With 200-mA Current Limit, Reverse-Voltage Protected
    • One 3.3-V Switch With 3-A Current Limit
    • Four 3.3-V Switches With 1-A Current Limit
    • All Switches Controlled by I2C Interface
  • I2C Interface
    • Standard-Mode (100 kHz) Supported
    • Fast-Mode (400 kHz) Supported
    • Fast-Mode Plus (1000 kHz) Supported
    • High-Speed (3.4 MHz) Supported
  • 16-Channel, 10-Bit Analog-to-Digital Converter (ADC)
  • Available in a 9-mm × 9-mm, VQFN-100 Package

2 Applications

  • Battery-Powered Products Using 2 to 3 Li-Cells in Series
  • Notebook Computers
  • Mobile PCs and Mobile Internet Devices
  • Industrial Metering Equipment
  • Personal Medical Products

3 Description

The TPS65090A device is a single-chip power management IC 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 from 6 V to 17 V, allowing the LDOs to be supplied from the wall adapter or directly from the main battery pack.

Seven load switches are built into the device. These load switches 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 adapter and the charge current is monitored and can be read out using the digital interface.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
TPS65090A VQFN-MR (100) 9.00 mm × 9.00 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.

DC-DC Block Diagram

TPS65090 pmi_dcdc_lvsAU3.gif

4 Revision History

Changes from A Revision (July 2013) to B Revision

  • Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information sectionGo

Changes from * Revision (January 2013) to A Revision

  • Added Differential Voltage spec condition "between CBC and LC", –0.3 MIN and 7 MAXGo
  • Changed text in ALWAYS ON LDOs and POWER PATH CONTROL sections for clarification.Go
  • Changed text in CHARGER section for clarification.Go
  • Added INTERRUPTS section for clarification.Go
  • Added text to REVERSE VOLTAGE PROTECTION section for clarification.Go
  • Changed graph title from "ADAPTER INPUT POWER UP AND POWER DOWN" to "SUPPLEMENT MODE OPERATION"Go
  • Added text to THERMAL INFORMATION section for clarification.Go