SLVSFU1B April   2023  – October 2023 TPS62874-Q1 , TPS62875-Q1 , TPS62876-Q1 , TPS62877-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6.   Device Options
  7. 5 Pin Configuration and Functions
  8. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings - Q100
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 I2C Interface Timing Characteristics
    7. 6.7 Typical Characteristics
  9. 7 Parameter Measurement Information
  10. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Fixed-Frequency DCS-Control Topology
      2. 8.3.2  Forced-PWM and Power-Save Modes
      3. 8.3.3  Transient Non-Synchronous Mode (optional)
      4. 8.3.4  Precise Enable
      5. 8.3.5  Start-Up
      6. 8.3.6  Switching Frequency Selection
      7. 8.3.7  Output Voltage Setting
        1. 8.3.7.1 Output Voltage Range
        2. 8.3.7.2 Output Voltage Setpoint
        3. 8.3.7.3 Non-Default Output Voltage Setpoint
        4. 8.3.7.4 Dynamic Voltage Scaling
        5. 8.3.7.5 Droop Compensation
      8. 8.3.8  Compensation (COMP)
      9. 8.3.9  Mode Selection / Clock Synchronization (MODE/SYNC)
      10. 8.3.10 Spread Spectrum Clocking (SSC)
      11. 8.3.11 Output Discharge
      12. 8.3.12 Undervoltage Lockout (UVLO)
      13. 8.3.13 Overvoltage Lockout (OVLO)
      14. 8.3.14 Overcurrent Protection
        1. 8.3.14.1 Cycle-by-Cycle Current Limiting
        2. 8.3.14.2 Hiccup Mode
        3. 8.3.14.3 Current-Limit Mode
      15. 8.3.15 Power Good (PG)
        1. 8.3.15.1 Standalone / Primary Device Behavior
        2. 8.3.15.2 Secondary Device Behavior
      16. 8.3.16 Remote Sense
      17. 8.3.17 Thermal Warning and Shutdown
      18. 8.3.18 Stacked Operation
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power-On Reset
      2. 8.4.2 Undervoltage Lockout
      3. 8.4.3 Standby
      4. 8.4.4 On
    5. 8.5 Programming
      1. 8.5.1 Serial Interface Description
      2. 8.5.2 Standard-, Fast-, 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. 8.5.6 Dynamic Voltage Scaling (DVS)
    6. 8.6 Device Registers
  11. 9 Application and Implementation
    1. 9.1 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 Inductor Selection
        2. 9.2.2.2 Selecting the Input Capacitors
        3. 9.2.2.3 Selecting the Compensation Resistor
        4. 9.2.2.4 Selecting the Output Capacitors
        5. 9.2.2.5 Selecting the Compensation Capacitor CC
        6. 9.2.2.6 Selecting the Compensation Capacitor CC2
      3. 9.2.3 Application Curves
    3. 9.3 Application Using Two TPS62876-Q1 in a Stacked Configuration
      1. 9.3.1 Design Requirements For Two Stacked Devices
      2. 9.3.2 Detailed Design Procedure
        1. 9.3.2.1 Selecting the Compensation Resistor
        2. 9.3.2.2 Selecting the Output Capacitors
        3. 9.3.2.3 Selecting the Compensation Capacitor CC
      3. 9.3.3 Application Curves for Two Stacked Devices
    4. 9.4 Application Using Three TPS62876-Q1 in a Stacked Configuration
      1. 9.4.1 Design Requirements For Three Stacked Devices
      2. 9.4.2 Detailed Design Procedure
        1. 9.4.2.1 Selecting the Compensation Resistor
        2. 9.4.2.2 Selecting the Output Capacitors
        3. 9.4.2.3 Selecting the Compensation Capacitor CC
      3. 9.4.3 Application Curves for Three Stacked Devices
    5. 9.5 Best Design Practices
    6. 9.6 Power Supply Recommendations
    7. 9.7 Layout
      1. 9.7.1 Layout Guidelines
      2. 9.7.2 Layout Example
  12. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  13. 11Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

Abstract

DEVICE NUMBEROUTPUT CURRENTVSEL SETTING FOR START-UP VOLTAGE AND I2C ADDRESSSSCDEFAULT DROOPTRANS. NONSYNC MODESOFT-START TIME
TPS62874QWRZVRQ115 AVSEL with 6.2 kΩ to GND: 0.80 V, 0x44
VSEL shorted to GND: 0.75 V, 0x45
VSEL shorted to VIN: 0.875 V, 0x46
VSEL with 47 kΩ to VIN: 0.58 V, 0x47		OffOffOff1 ms
TPS62875QWRZVRQ120 AOffOffOff
TPS62876QWRZVRQ125 AOffOffOff
TPS62877QWRZVRQ130 AOffOffOff
TPS62874B1QWRZVRQ1

15 A

VSEL with 6.2 kΩ to GND: 0.8 V, 0x44
VSEL shorted to GND: 0.8 V, 0x45
VSEL shorted to VIN: 0.875 V, 0x46
VSEL with 47 kΩ to VIN: 0.8 V, 0x47

Off

On

On

TPS62876B1QWRZVRQ125 A

Off

On

On

TPS62877B1QWRZVRQ1

30 A

OffOnOn
TPS62875B2QWRZVRQ1

20 A

VSEL with 6.2 kΩ to GND: 0.85 V, 0x44
VSEL shorted to GND: 0.75 V, 0x45
VSEL shorted to VIN: 0.875 V, 0x46
VSEL with 47 kΩ to VIN: 0.8 V, 0x47

Off

On

On

Unless otherwise noted, device variants without I2C operate with the same default settings as device variants with I2C.