SLVSGG8C November   2023  – October 2024 TPS6287B10 , TPS6287B15 , TPS6287B20 , TPS6287B25 , TPS6287B30

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Options
  6. 5 Pin Configuration and Functions
  7. 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
    6. 6.6 I2C Interface Timing Characteristics
    7. 6.7 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 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, Only Applies to TPS6287BxxJE2
      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)
  10. 9 Device Registers
  11. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Inductor Selection
        2. 10.2.2.2 Selecting the Input Capacitors
        3. 10.2.2.3 Selecting the Compensation Resistor
        4. 10.2.2.4 Selecting the Output Capacitors
        5. 10.2.2.5 Selecting the Compensation Capacitor CC
        6. 10.2.2.6 Selecting the Compensation Capacitor CC2
      3. 10.2.3 Application Curves
    3. 10.3 Typical Application - TPS6287BxV Devices
      1. 10.3.1 Design Requirements for TPS6287BxV
    4. 10.4 Typical Application Using Two TPS6287B25 in a Stacked Configuration
      1. 10.4.1 Design Requirements For Two Stacked Devices
      2. 10.4.2 Detailed Design Procedure
        1. 10.4.2.1 Selecting the Compensation Resistor
        2. 10.4.2.2 Selecting the Output Capacitors
        3. 10.4.2.3 Selecting the Compensation Capacitor CC
      3. 10.4.3 Application Curves for Two Stacked Devices
    5. 10.5 Typical Application Using Three TPS6287B25 in a Stacked Configuration
      1. 10.5.1 Application Curves
    6. 10.6 Power Supply Recommendations
    7. 10.7 Layout
      1. 10.7.1 Layout Guidelines
      2. 10.7.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

Package Options

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

4 Device Options

Table 4-1 Device With I2C Interface
DEVICE NUMBEROUTPUT CURRENTSTART-UP OUTPUT VOLTAGEDEFAULT SWITCHING FREQUENCYDROOP COMPENSATIONSPREAD SPECTRUM CLOCKINGSOFT-START TIME

PINS 19, 20

TPS6287B10LA0WRZVR10A

0.4V to 0.775V, Selectable

1.5MHz

Default setting = off

Default setting = offDefault setting = 1ms

SDA/SCL

TPS6287B15LA0WRZVR15A
TPS6287B20LA0WRZVR20A
TPS6287B25LA0WRZVR25A
TPS6287B30LA0WRZVR30A
TPS6287B10HA0WRZVR10A0.8V to 1.55V, Selectable1.5MHzDefault setting = offDefault setting = offDefault setting = 1msSDA/SCL
TPS6287B15HA0WRZVR15A
TPS6287B20HA0WRZVR20A
TPS6287B25HA0WRZVR25A
Table 4-2 Device to Power Jacinto Platform With I2C Interface
DEVICE NUMBEROUTPUT CURRENTVSEL SETTING FOR START-UP VOLTAGE AND I2C ADDRESSSSCDEFAULT DROOPTRANS. NONSYNC MODESOFT-START TIME

PIN 3/

PIN 19, 20

TPS6287B15JE2WRZVR15AVSET with 6.2kΩ to GND: 0.8V, 0x44
VSET shorted to GND: 0.8V, 0x45
VSET shorted to VIN: 0.875V, 0x46
VSET with 47kΩ to VIN: 0.8V, 0x47		OffOnOn1msFSET/
SDA/SCL
TPS6287B20JE2WRZVR20A
TPS6287B25JE2WRZVR25A
Table 4-3 Device Without I2C Interface
DEVICE NUMBEROUTPUT CURRENTSTART-UP OUTPUT VOLTAGEDEFAULT SWITCHING FREQUENCYDROOP COMPENSATIONSPREAD SPECTRUM CLOCKINGSOFT-START TIMEPINS 19, 20
TPS6287B10VA0WRZVR10A0.4V to 1.675V, Selectable1.5MHzDefault setting = offDefault setting = offDefault setting = 1msVSET4/ VSET3
TPS6287B15VA0WRZVR15A
TPS6287B20VA0WRZVR20A
TPS6287B25VA0WRZVR25A
Unless otherwise noted, device variants without I2C operate with the same default settings as device variants with I2C.