SLVSHR7 August   2024 TPSM8287A12M , TPSM8287A15M

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 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  Switching Frequency Selection
      6. 7.3.6  Output Voltage Setting
        1. 7.3.6.1 Output Voltage Setpoint
        2. 7.3.6.2 Output Voltage Range
        3. 7.3.6.3 Non-Default Output Voltage Setpoint
        4. 7.3.6.4 Dynamic Voltage Scaling (DVS)
      7. 7.3.7  Compensation (COMP)
      8. 7.3.8  Mode Selection / Clock Synchronization (MODE/SYNC)
      9. 7.3.9  Spread Spectrum Clocking (SSC)
      10. 7.3.10 Output Discharge
      11. 7.3.11 Undervoltage Lockout (UVLO)
      12. 7.3.12 Overvoltage Lockout (OVLO)
      13. 7.3.13 Overcurrent Protection
        1. 7.3.13.1 Cycle-by-Cycle Current Limiting
        2. 7.3.13.2 Hiccup Mode
        3. 7.3.13.3 Current-Limit Mode
      14. 7.3.14 Power Good (PG)
        1. 7.3.14.1 Power-Good Standalone, Primary Device Behavior
        2. 7.3.14.2 Power-Good Secondary Device Behavior
      15. 7.3.15 Remote Sense
      16. 7.3.16 Thermal Warning and Shutdown
      17. 7.3.17 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 Update Sequence
      4. 7.5.4 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 Four TPSM8287A1xM 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
  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
    1. 12.1 Tape and Reel 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.

TPSM8287A12M TPSM8287A15M Efficiency TPSM8287A12BAM
VIN = 2.7V FSW = 1.5MHz

FPWM
Figure 9-2 Efficiency TPSM8287A12BAM
TPSM8287A12M TPSM8287A15M Efficiency TPSM8287A12BAM
VIN = 3.3V FSW = 1.5MHz

FPWM
Figure 9-4 Efficiency TPSM8287A12BAM
TPSM8287A12M TPSM8287A15M Efficiency TPSM8287A12BAM
VIN = 5.0V FSW = 1.5MHz

FPWM
Figure 9-6 Efficiency TPSM8287A12BAM
TPSM8287A12M TPSM8287A15M Efficiency TPSM8287A15BAM
VIN = 2.7V FSW = 1.5MHz

FPWM
Figure 9-8 Efficiency TPSM8287A15BAM
TPSM8287A12M TPSM8287A15M Efficiency TPSM8287A15BAM
VIN = 3.3V FSW = 1.5MHz

FPWM
Figure 9-10 Efficiency TPSM8287A15BAM
TPSM8287A12M TPSM8287A15M Efficiency TPSM8287A15BAM
VIN = 5.0V FSW = 1.5MHz

FPWM
Figure 9-12 Efficiency TPSM8287A15BAM
TPSM8287A12M TPSM8287A15M Load Regulation TPSM8287A12BAM
VIN = 2.7V

TJ = 25°C

FPWM
Figure 9-14 Load Regulation TPSM8287A12BAM
TPSM8287A12M TPSM8287A15M Load Regulation TPSM8287A12BAM
VIN = 3.3V

TJ = 25°C

FPWM
Figure 9-16 Load Regulation TPSM8287A12BAM
TPSM8287A12M TPSM8287A15M Load Regulation TPSM8287A12BAM
VIN = 5.0V

TJ = 25°C

FPWM
Figure 9-18 Load Regulation TPSM8287A12BAM
TPSM8287A12M TPSM8287A15M Load Transient Response TPSM8287A12BBM

Vout = 0.9V

Iout = 1A → 9A → 1A
Figure 9-20 Load Transient Response TPSM8287A12BBM
TPSM8287A12M TPSM8287A15M PWM-DCM Operation TPSM8287A12BBM
Vout = 0.9V IOUT = 1A
Figure 9-22 PWM-DCM Operation TPSM8287A12BBM
TPSM8287A12M TPSM8287A15M Output Noise over Frequency TPSM8287A12BBM
VIN = 3.3V VOUT = 0.75V IOUT = 6A
Figure 9-24 Output Noise over Frequency TPSM8287A12BBM
TPSM8287A12M TPSM8287A15M Adding and Removing an External Clock

IOUT = 10A

 VOUT = 0.9V f(SYNC) = 1.8MHz
Figure 9-26 Adding and Removing an External Clock
TPSM8287A12M TPSM8287A15M Current Limit (Hiccup)
VIN = 3.3V
Figure 9-28 Current Limit (Hiccup)
TPSM8287A12M TPSM8287A15M Shutdown Using EN Pin (Discharge Enabled)

VOUT = 3.3V

 Load = 7.5Ω
Figure 9-30 Shutdown Using EN Pin (Discharge Enabled)
TPSM8287A12M TPSM8287A15M Safe Operating Area TPSM8287A12BAM VIN = 3.3V

RΘJA = 19.5°C/W

nat. convection

TJ,max = 125°C
Figure 9-32 Safe Operating Area TPSM8287A12BAM VIN = 3.3V
TPSM8287A12M TPSM8287A15M Safe Operating Area TPSM8287A12BBM VIN = 3.3V
RΘJA = 19.5°C/W nat. convection TJ,max = 125°C
Figure 9-34 Safe Operating Area TPSM8287A12BBM VIN = 3.3V
TPSM8287A12M TPSM8287A15M Safe Operating Area TPSM8287A15BAM VIN = 3.3V
RΘJA = 20.0°C/W nat. convection TJ,max = 125°C
Figure 9-36 Safe Operating Area TPSM8287A15BAM VIN = 3.3V
TPSM8287A12M TPSM8287A15M Safe Operating Area TPSM8287A15BBM VIN = 3.3V
RΘJA = 20.0°C/W nat. convection TJ,max = 125°C
Figure 9-38 Safe Operating Area TPSM8287A15BBM VIN = 3.3V
TPSM8287A12M TPSM8287A15M Efficiency TPSM8287A12BBM

VIN = 2.7V

FSW = 2.25MHz

FPWM
Figure 9-3 Efficiency TPSM8287A12BBM
TPSM8287A12M TPSM8287A15M Efficiency TPSM8287A12BBM
VIN = 3.3V FSW = 2.25MHz

FPWM
Figure 9-5 Efficiency TPSM8287A12BBM
TPSM8287A12M TPSM8287A15M Efficiency TPSM8287A12BBM
VIN = 5.0V FSW = 2.25MHz

FPWM
Figure 9-7 Efficiency TPSM8287A12BBM
TPSM8287A12M TPSM8287A15M Efficiency TPSM8287A15BBM
VIN = 2.7V FSW = 2.25MHz

FPWM
Figure 9-9 Efficiency TPSM8287A15BBM
TPSM8287A12M TPSM8287A15M Efficiency TPSM8287A15BBM
VIN = 3.3V FSW = 2.25MHz

FPWM
Figure 9-11 Efficiency TPSM8287A15BBM
TPSM8287A12M TPSM8287A15M Efficiency TPSM8287A15BBM
VIN = 5.0V FSW = 2.25MHz

FPWM
Figure 9-13 Efficiency TPSM8287A15BBM
TPSM8287A12M TPSM8287A15M Vout Accuracy vs Temperature TPSM8287A12BAM
VIN = 2.7V

IOUT = 6A

FPWM
Figure 9-15 Vout Accuracy vs Temperature TPSM8287A12BAM
TPSM8287A12M TPSM8287A15M Vout Accuracy vs Temperature TPSM8287A12BAM
VIN = 3.3V

IOUT =6A

FPWM
Figure 9-17 Vout Accuracy vs Temperature TPSM8287A12BAM
TPSM8287A12M TPSM8287A15M Vout Accuracy vs Temperature TPSM8287A12BAM
VIN = 5.0V

IOUT = 6A

FPWM
Figure 9-19 Vout Accuracy vs Temperature TPSM8287A12BAM
TPSM8287A12M TPSM8287A15M PWM-CCM Operation TPSM8287A12BBM
Vout = 0.9V IOUT = 2A
Figure 9-21 PWM-CCM Operation TPSM8287A12BBM
TPSM8287A12M TPSM8287A15M PFM-DCM Operation TPSM8287A12BBM
Vout = 0.9V IOUT = 100mA
Figure 9-23 PFM-DCM Operation TPSM8287A12BBM
TPSM8287A12M TPSM8287A15M Synchronization to an External Clock

IOUT = 1A

 f(SYNC) = 2MHz
Figure 9-25 Synchronization to an External Clock
TPSM8287A12M TPSM8287A15M Synchronization to a Random External Clock

IOUT = 10A

 VOUT = 0.9V

f(SYNC) = 2 to 2.5MHz (random)
Figure 9-27 Synchronization to a Random External Clock
TPSM8287A12M TPSM8287A15M Start-Up Using EN Pin

VOUT = 0.75V
Figure 9-29 Start-Up Using EN Pin
TPSM8287A12M TPSM8287A15M Shutdown Using EN Pin (Discharge Disabled)
VOUT = 3.3V Load = 7.5Ω
Figure 9-31 Shutdown Using EN Pin (Discharge Disabled)
TPSM8287A12M TPSM8287A15M Safe Operating Area TPSM8287A12BAM VIN = 5.0V

RΘJA = 19.5°C/W

nat. convection

TJ,max = 125°C
Figure 9-33 Safe Operating Area TPSM8287A12BAM VIN = 5.0V
TPSM8287A12M TPSM8287A15M Safe Operating Area TPSM8287A12BBM VIN = 5.0V
RΘJA = 19.5°C/W nat. convection TJ,max = 125°C
Figure 9-35 Safe Operating Area TPSM8287A12BBM VIN = 5.0V
TPSM8287A12M TPSM8287A15M Safe Operating Area TPSM8287A15BAM VIN = 5.0V
RΘJA = 20.0°C/W nat. convection TJ,max = 125°C
Figure 9-37 Safe Operating Area TPSM8287A15BAM VIN = 5.0V
TPSM8287A12M TPSM8287A15M Safe Operating Area TPSM8287A15BBM VIN = 5.0V
RΘJA = 20.0°C/W nat. convection TJ,max = 125°C
Figure 9-39 Safe Operating Area TPSM8287A15BBM VIN = 5.0V