SLVSC26B November   2013  – May 2024 TPS61162A , TPS61163A

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
    1.     Pin Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 EasyScale Timing Requirements
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  Boost Converter
      2. 6.3.2  IFBx Pin Unused
      3. 6.3.3  Enable and Start-up
      4. 6.3.4  Soft Start
      5. 6.3.5  Full-Scale Current Program
      6. 6.3.6  Brightness Control
      7. 6.3.7  Undervoltage Lockout
      8. 6.3.8  Overvoltage Protection
      9. 6.3.9  Overcurrent Protection
      10. 6.3.10 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 One-Wire Digital Interface (EasyScale Interface)
      2. 6.4.2 PWM Control Interface
    5. 6.5 Programming
      1. 6.5.1 EasyScale Programming
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Inductor Selection
        2. 7.2.2.2 Schottky Diode Selection
        3. 7.2.2.3 Compensation Capacitor Selection
        4. 7.2.2.4 Output Capacitor Selection
      3. 7.2.3 Application Curves
      4. 7.2.4 Additional Application Circuits
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
    2. 8.2 Related Links
    3. 8.3 Community Resources
    4. 8.4 Trademarks
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

7.2.4 Additional Application Circuits

In Figure 7-13 the PWM Interface is enabled, and the PWM input signal is used to adjust the brightness level. The PWM pin as well as the EN pin can be used to enable or disable the TPS61162A, TPS61163A.

TPS61162A TPS61163A TPS61162A/TPS61163A Typical ApplicationFigure 7-13 TPS61162A/TPS61163A Typical Application

Figure 7-14 shows PWM interface enabled, EN pin connected to VIN, with only the PWM Signal used to adjust the brightness level and to enable or disable the TPS61162A, TPS61163A.

TPS61162A TPS61163A TPS61162A/TPS61163A Typical Application
Figure 7-14 TPS61162A/TPS61163A Typical Application

In Figure 7-15 the one-wire digital interface is enabled. Brightness level is adjusted with the PWM pin using EasyScale commands. The PWM signal must remain high for the device to be enabled.

TPS61162A TPS61163A TPS61162A/TPS61163A Typical ApplicationFigure 7-15 TPS61162A/TPS61163A Typical Application

Figure 7-16 shows one-wire digital interface enabled, PWM pin connected to VIN, with only the EN signal used to enable or disable the device. Brightness level adjustments (using EasyScale Commands) can be achieved via the EN pin only.

TPS61162A TPS61163A TPS61162A/TPS61163A Typical Application
Figure 7-16 TPS61162A/TPS61163A Typical Application