SLVSCH9E December   2014  – March 2022 TPS62406-Q1 , TPS62407-Q1 , TPS62422-Q1 , TPS62423-Q1 , TPS62424-Q1

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  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 Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
      1. 8.1.1 Converter 1
      2. 8.1.2 Converter 2
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Enable
      2. 8.3.2 DEF_1 Pin Function
      3. 8.3.3 180° Out-of-Phase Operation
      4. 8.3.4 Short-Circuit Protection
      5. 8.3.5 Thermal Shutdown
      6. 8.3.6 EasyScale Interface: One-Pin Serial Interface for Dynamic Output-Voltage Adjustment
        1. 8.3.6.1 General
        2. 8.3.6.2 Protocol
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-Save Mode
        1. 8.4.1.1 Dynamic Voltage Positioning
        2. 8.4.1.2 Soft Start
        3. 8.4.1.3 100% Duty-Cycle Low-Dropout Operation
        4. 8.4.1.4 Undervoltage Lockout
      2. 8.4.2 Mode Selection
    5. 8.5 Programming
      1. 8.5.1 Addressable Registers
        1. 8.5.1.1 Bit Decoding
        2. 8.5.1.2 Acknowledge
        3. 8.5.1.3 Mode Selection
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Output Voltage Setting
          1. 9.2.2.1.1 Converter 1 Fixed Default Output-Voltage Setting
          2. 9.2.2.1.2 Converter 2 Fixed Default Output-Voltage Setting
        2. 9.2.2.2 Output Filter Design (Inductor and Output Capacitor)
          1. 9.2.2.2.1 Inductor Selection
          2. 9.2.2.2.2 Output-Capacitor Selection
          3. 9.2.2.2.3 Input Capacitor Selection
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Support Resources
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

9.2.3 Application Curves

GUID-8A5921F3-29F7-4427-A683-AD39135BA3C8-low.gif
VOUT1 = 1.225 VMODE/DATA = low
Figure 9-2 TPS62407-Q1 Efficiency, VOUT1
GUID-D4F75B21-0808-4094-853D-B32C3AEDF7B8-low.gif
VOUT1 = 1.225 VMODE/DATA = high
Figure 9-3 TPS62407-Q1 Efficiency, VOUT1
GUID-7F2D6DB2-02CD-4343-89FF-B3EF8E4A0824-low.gif
VOUT2 = 1.85 VMODE/DATA = low
Figure 9-4 TPS62407-Q1 Efficiency, VOUT2
GUID-F97482FB-A376-4C57-B8E7-E5E604713586-low.gif
VOUT1 = 1.125 VMODE/DATA = low
Figure 9-6 TPS62406-Q1 Efficiency, VOUT1
GUID-2FCC688C-D429-4B91-BA02-EDE9D567F304-low.gif
VOUT2 = 1.2 VMODE/DATA = low
Figure 9-8 TPS62406-Q1 Efficiency, VOUT2
GUID-C4D216F0-A659-4E63-82E6-AC18A63ED2F9-low.gif
VOUT1 = 1.15 V, VOUT2 = 1.2 VMODE/DATA = high
Figure 9-10 TPS62422-Q1 VOUT1 vs. IOUT1
GUID-37AB4019-299B-46DE-A6B4-D5B9C54E5372-low.gif
VOUT1 = 1.8 V, VOUT2 = 1.2 VMODE/DATA = high
Figure 9-12 TPS62422-Q1 VOUT2 vs. IOUT2
GUID-3E49DA5F-7E7F-4FD1-A3D7-4B7D1191699F-low.gif
Forced PWM modeMODE/DATA = highIOUT = 10 mA
Figure 9-14 Output-Voltage Ripple in Forced-PWM Mode
GUID-DCBEF408-E877-4FBA-A8DD-F56A5984B404-low.gif
VOUT = 1.8 VIOUT = 20 mA
Figure 9-16 Forced PWM-to-PFM Mode Transition
GUID-2AEEF311-A552-49E8-BAC7-B133657147B7-low.gif
PWM modeMODE/DATA = high
Figure 9-18 Load-Transient Response, PWM Operation
GUID-C5F96BCC-2508-41F3-8B64-687B52B382F6-low.gif
VIN = 3.8 VIOUT1max = 400 mA
Figure 9-20 Startup Timing, One Converter
GUID-4AE879C9-3D4C-410E-BA0C-D49DB942150C-low.gif
VOUT2 = 1.85 VMODE/DATA = high
Figure 9-5 TPS62407-Q1 Efficiency, VOUT2
GUID-954B339D-2D69-414A-8B40-BD918102A528-low.gif
VOUT1 = 1.125 VMODE/DATA = high
Figure 9-7 TPS62406-Q1 Efficiency, VOUT2
GUID-88103E35-0A74-4641-B18A-079D8663B79B-low.gif
VOUT2 = 1.2 VMODE/DATA = high
Figure 9-9 TPS62406-Q1 Efficiency, VOUT2
GUID-FB259E6C-8850-4755-B25B-17BB61B948BA-low.gif
VOUT1 = 1.8 V, VOUT2 = 1.2 VMODE/DATA = high
Figure 9-11 TPS62422-Q1 VOUT1 vs. IOUT1
GUID-EB74CEFD-CD9F-4408-8DFC-B53242EC1F96-low.gif
Power save modeMODE/DATA = lowIOUT = 10 mA
Figure 9-13 Light-Load Output-Voltage Ripple in Power-Save Mode
GUID-55ECDEF2-272F-4D6E-AC38-A3780F26635A-low.gif
PWM modeVOUT = 1.8 VIOUT = 400 mA
Figure 9-15 Output-Voltage Ripple in PWM Mode
GUID-30808927-31FD-4822-9661-326EB7012600-low.gif
MODE/DATA = low
Figure 9-17 Load-Transient Response, PFM-to-PWM
GUID-2FA0EC4E-CBFE-4D53-B400-5DEE4B30192D-low.gif
MODE/DATA = lowVIN = 3.6 to 4.6 VVOUT1 = 1.575 V
IOUT1 = 200 mA
Figure 9-19 Line-Transient Response