SLVSEI1C June   2019  – October 2020 TPS62864 , TPS62866

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Options
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 I2C InterfaceTiming Characteristics
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Power Save Mode
      2. 8.3.2 Forced PWM Mode
      3. 8.3.3 Start-up
      4. 8.3.4 Switch Current Limit and HICCUP Short-Circuit Protection
      5. 8.3.5 Undervoltage Lockout (UVLO)
      6. 8.3.6 Thermal Warning and Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Enable and Disable (EN)
      2. 8.4.2 Output Discharge
      3. 8.4.3 Start-up Output Voltage and I2C Slave Address Selection (VSET)
      4. 8.4.4 Select Output Voltage Registers (VID)
      5. 8.4.5 Power Good (PG)
    5. 8.5 Programming
      1. 8.5.1 Serial Interface Description
      2. 8.5.2 Standard-, Fast-, and Fast-Mode Plus Protocol
      3. 8.5.3 HS-Mode Protocol
      4. 8.5.4 I2C Update Sequence
      5. 8.5.5 I2C Register Reset
    6. 8.6 Register Map
      1. 8.6.1 Slave Address Byte
      2. 8.6.2 Register Address Byte
      3. 8.6.3 VOUT Register 1
      4. 8.6.4 VOUT Register 2
      5. 8.6.5 CONTROL Register
      6. 8.6.6 STATUS Register
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 6-A Output Current Application
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Custom Design With WEBENCH® Tools
          2. 9.2.1.2.2 Setting The Output Voltage
          3. 9.2.1.2.3 Output Filter Design
          4. 9.2.1.2.4 Inductor Selection
          5. 9.2.1.2.5 Capacitor Selection
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Smaller Application Solution
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Support Resources
    4. 12.4 Receiving Notification of Documentation Updates
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

9.2.1.3 Application Curves

VIN = 5.0 V, VOUT = 0.9 V, TA = 25°C, BOM = Table 9-2, unless otherwise noted.
VIN = 5.0 V, VOUT = 0.9 V, TA = 25°C, BOM = Table 9-2, unless otherwise noted.GUID-4704335E-FAB3-4FA1-95CB-2AEF4F587A70-low.gif
VOUT = 0.6 V Power Save Mode
Figure 9-2 Efficiency. VIN = 5.0 V, VOUT = 0.9 V, TA = 25°C, BOM = Table 9-2, unless otherwise noted.
GUID-8E227723-13C2-475B-83E3-3A863C60AA71-low.gif
VOUT = 0.9 V
Figure 9-4 Efficiency
GUID-9DE0ADEF-2BBA-40E5-B03B-CCB6E2384291-low.gif
VOUT = 1.2 V Power Save Mode
Figure 9-6 Efficiency
GUID-AFDD5661-B376-444C-B0C1-A5F5DC645DFF-low.gif
VIN = 5.0 V
Figure 9-8 Switching Frequency
GUID-CB85AAE4-D3D5-46BE-921C-03E985928F64-low.gif
VOUT = 0.9 VθJA = 56.5°C/W
Figure 9-10 Thermal Derating
GUID-2A7D222F-31B0-4945-83FF-8A8B794BA69D-low.gif
IOUT = 6.0 A
Figure 9-12 PWM Operation
GUID-E17A0491-FF9A-45CE-BD9C-FCB7D595B0FF-low.gif
IOUT = 0.1 A
Figure 9-14 Forced PWM Operation
GUID-7FE23E93-8E71-4F32-8C2F-075C80F7CEF2-low.gif
No Load
Figure 9-16 Start-up by Software Enable Device Bit
GUID-61EBE2A7-C27E-4341-9F8F-DCA2EF25E051-low.gif
IOUT = 0.05 A to 4 APSM
Figure 9-18 Load Transient
GUID-A6BA3813-CB5B-4AE4-8180-FF0F29C91C3E-low.gif
IOUT = 2.5 ATPS62866
Figure 9-20 HICCUP Protection
GUID-6BD5F197-9157-43F7-93CF-27F64ABA7E42-low.gif
VOUT = 0.6 V Power Save Mode
Figure 9-3 Load Regulation
GUID-F0DA9EEB-F3B3-4E0D-9DE1-DF07FDC190C9-low.gif
VOUT = 0.9 V
Figure 9-5 Load Regulation
GUID-28BC6E74-0166-4BD0-A1F2-21C371F20A3E-low.gif
VOUT = 1.2 V Power Save Mode
Figure 9-7 Load Regulation
GUID-C84DECCD-A848-468C-9ACE-5E3BB0359064-low.gif
IOUT = 1.0 A
Figure 9-9 Switching Frequency
GUID-87609D16-FD7F-4059-BD62-D84F9FFC6A49-low.gif
VOUT = 1.675 VθJA = 56.5°C/W
Figure 9-11 Thermal Derating
GUID-89ECBB36-8244-4AF0-99DF-3308CA74A030-low.gif
IOUT = 0.1 A
Figure 9-13 PSM Operation
GUID-F0BAEDB9-33D0-4CF5-9EBC-E8EDACD5D0FB-low.gif
No Load
Figure 9-15 Startup and Shutdown by EN Pin
GUID-48815BAD-CD07-4505-A964-597DA164E4B8-low.gif
IOUT = 1 AVOUT = 0.9 V to 1.1 V
Figure 9-17 VOUT Transition with Different Slew Rate Settings
GUID-141E7A24-9350-472A-8A50-8A8A33A12480-low.gif
IOUT = 0.05 A to 4 AForced PWM
Figure 9-19 Load Transient