SLVSI15A March   2025  – December 2025 TPSM8287B15 , TPSM8287B30

PRODMIX  

  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 Requirements
    7. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Fixed-Frequency DCS-Control Topology
      2. 7.3.2  Forced PWM and Power Save Modes
      3. 7.3.3  Precise Enable
      4. 7.3.4  Start-Up
      5. 7.3.5  Output Voltage Setting
        1. 7.3.5.1 Output Voltage Setpoint
        2. 7.3.5.2 Output Voltage Range
        3. 7.3.5.3 Non-Default Output Voltage Setpoint
        4. 7.3.5.4 Dynamic Voltage Scaling (DVS)
        5. 7.3.5.5 Droop Compensation
      6. 7.3.6  Compensation (COMP)
      7. 7.3.7  Mode Selection / Clock Synchronization (MODE/SYNC)
      8. 7.3.8  Spread Spectrum Clocking (SSC)
      9. 7.3.9  Output Discharge
      10. 7.3.10 Undervoltage Lockout (UVLO)
      11. 7.3.11 Overvoltage Lockout (OVLO)
      12. 7.3.12 Overcurrent Protection
        1. 7.3.12.1 Cycle-by-Cycle Current Limiting
        2. 7.3.12.2 Hiccup Mode
        3. 7.3.12.3 Current-Limit Mode
      13. 7.3.13 Power Good (PG)
        1. 7.3.13.1 Power-Good Standalone, Primary Device Behavior
        2. 7.3.13.2 Power-Good Secondary Device Behavior
      14. 7.3.14 Remote Sense
      15. 7.3.15 Thermal Warning and Shutdown
      16. 7.3.16 Stacked Operation
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power-On Reset (POR)
      2. 7.4.2 Undervoltage Lockout
      3. 7.4.3 Standby
      4. 7.4.4 On
    5. 7.5 Programming
      1. 7.5.1 Serial Interface Description
      2. 7.5.2 Standard-, Fast-, Fast-Mode Plus Protocol
      3. 7.5.3 I2C HS-Mode Protocol
      4. 7.5.4 I2C Update Sequence
      5. 7.5.5 I2C Register Reset
  9. 8 Device Registers
  10. 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 Selecting the Input Capacitors
        2. 9.2.2.2 Selecting the Target Loop Bandwidth
        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, CComp1
        6. 9.2.2.6 Selecting the Compensation Capacitor, CComp2
      3. 9.2.3 Application Curves
    3. 9.3 Typical Application Using Two TPSM8287B30x in Parallel Operation
      1. 9.3.1 Design Requirements
      2. 9.3.2 Detailed Design Procedure
        1. 9.3.2.1 Selecting the Input Capacitors
        2. 9.3.2.2 Selecting the Target Loop Bandwidth
        3. 9.3.2.3 Selecting the Compensation Resistor
        4. 9.3.2.4 Selecting the Output Capacitors
        5. 9.3.2.5 Selecting the Compensation Capacitor, CComp1
        6. 9.3.2.6 Selecting the Compensation Capacitor, CComp2
      3. 9.3.3 Application Curves
    4. 9.4 Power Supply Recommendations
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
      2. 9.5.2 Layout Example
        1. 9.5.2.1 Thermal Considerations
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Third-Party Products Disclaimer
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

Package Options

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

9.2.3 Application Curves

VIN = 5.0V, VOUT = 0.9V, TA = 25°C, BOM = Table 9-3, unless otherwise noted.

TPSM8287B15 TPSM8287B30 Efficiency TPSM8287B30xx FPWM
VIN = 2.7VFSW = 1.5MHz

TJ = 25°C

Figure 9-2 Efficiency TPSM8287B30xx FPWM
TPSM8287B15 TPSM8287B30 Efficiency TPSM8287B30xx FPWM
VIN = 3.3VFSW = 1.5MHzTJ = 25°C
Figure 9-4 Efficiency TPSM8287B30xx FPWM
TPSM8287B15 TPSM8287B30 Efficiency TPSM8287B30xx FPWM
VIN = 5.0VFSW = 1.5MHzTJ = 25°C
Figure 9-6 Efficiency TPSM8287B30xx FPWM
TPSM8287B15 TPSM8287B30 Efficiency TPSM8287B30xx PSM
VIN = 2.7VFSW = 1.5MHzTA = 25°C
Figure 9-8 Efficiency TPSM8287B30xx PSM
TPSM8287B15 TPSM8287B30 Efficiency TPSM8287B30xx PSM
VIN = 3.3VFSW = 1.5MHzTA = 25°C
Figure 9-10 Efficiency TPSM8287B30xx PSM
TPSM8287B15 TPSM8287B30 Efficiency TPSM8287B30xx PSM
VIN = 5.0VFSW = 1.5MHzTA = 25°C
Figure 9-12 Efficiency TPSM8287B30xx PSM
TPSM8287B15 TPSM8287B30 Load Regulation TPSM8287B30xx
VIN = 2.7VTJ = 25°CFPWM
Figure 9-14 Load Regulation TPSM8287B30xx
TPSM8287B15 TPSM8287B30 Load Regulation TPSM8287B30xx
VIN = 3.3V

TJ = 25°C

FPWM

Figure 9-16 Load Regulation TPSM8287B30xx
TPSM8287B15 TPSM8287B30 Load Regulation TPSM8287B30xx
VIN = 5.0V

TJ = 25°C

FPWM

Figure 9-18 Load Regulation TPSM8287B30xx
TPSM8287B15 TPSM8287B30 Load Transient TPSM8287B30HAPx

Vout=0.9V

COUT(eff)=100µF

Iout=10A→15A→10A (22A/µs)

Figure 9-20 Load Transient TPSM8287B30HAPx
TPSM8287B15 TPSM8287B30 PWM-CCM Operation TPSM8287B30HAPx
Vout = 0.9VIOUT = 15A
Figure 9-22 PWM-CCM Operation TPSM8287B30HAPx
TPSM8287B15 TPSM8287B30 PFM-DCM Operation TPSM8287B30HAPx
Vout = 0.9VIOUT = 100mA
Figure 9-24 PFM-DCM Operation TPSM8287B30HAPx
TPSM8287B15 TPSM8287B30 Adding and Removing an External Clock TPSM8287B30HAPx
IOUT = 15AVOUT = 0.9Vf(SYNC) = 1.8MHz
Figure 9-26 Adding and Removing an External Clock TPSM8287B30HAPx
TPSM8287B15 TPSM8287B30 Current Limit (Hiccup = 1)
VIN = 5.0V
Figure 9-28 Current Limit (Hiccup = 1)
TPSM8287B15 TPSM8287B30 Startup and Shutdown using EN Pin (DISCHEN = 1)

VOUT = 0.9V

Load = 9.1Ω
Figure 9-30 Startup and Shutdown using EN Pin (DISCHEN = 1)
TPSM8287B15 TPSM8287B30 Safe Operating Area TPSM8287B30xx VIN = 3.3V
RΘJA =11.9°C/Wnat. convectionTJ(max) = 125°C
Figure 9-32 Safe Operating Area TPSM8287B30xx VIN = 3.3V
TPSM8287B15 TPSM8287B30 Safe Operating Area TPSM8287B30xx VIN = 3.3V
ΨJB = 5.5°C/Wnat. convectionTJ(max) = 125°C
Figure 9-34 Safe Operating Area TPSM8287B30xx VIN = 3.3V
TPSM8287B15 TPSM8287B30 Efficiency TPSM8287B30xx FPWM
VIN = 2.7VFSW = 1.5MHzTJ = 85°C
Figure 9-3 Efficiency TPSM8287B30xx FPWM
TPSM8287B15 TPSM8287B30 Efficiency TPSM8287B30xx FPWM
VIN = 3.3VFSW = 1.5MHzTJ = 85°C
Figure 9-5 Efficiency TPSM8287B30xx FPWM
TPSM8287B15 TPSM8287B30 Efficiency TPSM8287B30xx FPWM
VIN = 5.0VFSW = 1.5MHzTJ = 85°C
Figure 9-7 Efficiency TPSM8287B30xx FPWM
TPSM8287B15 TPSM8287B30 Efficiency TPSM8287B30xx PSM
VIN = 2.7VFSW = 1.5MHzTA = 85°C
Figure 9-9 Efficiency TPSM8287B30xx PSM
TPSM8287B15 TPSM8287B30 Efficiency TPSM8287B30xx PSM
VIN = 3.3VFSW = 1.5MHzTA = 85°C
Figure 9-11 Efficiency TPSM8287B30xx PSM
TPSM8287B15 TPSM8287B30 Efficiency TPSM8287B30xx PSM
VIN = 5.0VFSW = 1.5MHzTA = 85°C
Figure 9-13 Efficiency TPSM8287B30xx PSM
TPSM8287B15 TPSM8287B30 Vout Accuracy vs Temperature TPSM8287B30xx
VIN = 2.7VIOUT = 15AFPWM
Figure 9-15 Vout Accuracy vs Temperature TPSM8287B30xx
TPSM8287B15 TPSM8287B30 Vout Accuracy vs Temperature TPSM8287B30xx
VIN = 3.3V

IOUT =15A

FPWM

Figure 9-17 Vout Accuracy vs Temperature TPSM8287B30xx
TPSM8287B15 TPSM8287B30 Vout Accuracy vs Temperature TPSM8287B30xx
VIN = 5.0V

IOUT = 15A

FPWM

Figure 9-19 Vout Accuracy vs Temperature TPSM8287B30xx
TPSM8287B15 TPSM8287B30 Load Transient TPSM8287B30HAPx
Vout=0.9VCOUT(eff)=100µFIout=15A→25A→15A (1A/µs)
Figure 9-21 Load Transient TPSM8287B30HAPx
TPSM8287B15 TPSM8287B30 PWM-DCM Operation TPSM8287B30HAPx
Vout = 0.9VIOUT = 1A
Figure 9-23 PWM-DCM Operation TPSM8287B30HAPx
TPSM8287B15 TPSM8287B30 Synchronization to an External Clock TPSM8287B30HAPx

IOUT = 15A

f(SYNC) = 1.8MHz
Figure 9-25 Synchronization to an External Clock TPSM8287B30HAPx
TPSM8287B15 TPSM8287B30 Synchronization to a Random External Clock TPSM8287B30HAPx
IOUT = 15AVOUT = 0.9Vf(SYNC) = 1.2 to 1.8MHz (random)
Figure 9-27 Synchronization to a Random External Clock TPSM8287B30HAPx
TPSM8287B15 TPSM8287B30 Current Limit (Hiccup = 0)
VIN = 5.0V
Figure 9-29 Current Limit (Hiccup = 0)
TPSM8287B15 TPSM8287B30 Startup and Shutdown using EN Pin (DISCHEN = 0)
VOUT = 0.9VLoad = 9.1Ω
Figure 9-31 Startup and Shutdown using EN Pin (DISCHEN = 0)
TPSM8287B15 TPSM8287B30 Safe Operating Area TPSM8287B30xx VIN = 5.0V
RΘJA = 11.9°C/Wnat. convectionTJ(max) = 125°C
Figure 9-33 Safe Operating Area TPSM8287B30xx VIN = 5.0V
TPSM8287B15 TPSM8287B30 Safe Operating Area TPSM8287B30xx VIN = 5.0V
ΨJB = 5.5°C/Wnat. convectionTJ(max) = 125°C
Figure 9-35 Safe Operating Area TPSM8287B30xx VIN = 5.0V