SLVSGS7C July   2023  – April 2024 TPSM8287A06 , TPSM8287A12 , TPSM8287A15

PRODMIX  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Device Options
  6. Pin Configuration and Functions
  7. 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. 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. Device Registers
  10. 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 TPSM8287Axx 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

Package Options

Mechanical Data (Package|Pins)
  • RDW|39
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Application Curves

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

GUID-20231010-SS0I-XGT5-N1MM-WJ6WR3D6JFQF-low.svg

VIN = 2.7 V

FSW = 1.5 MHz

FPWM

Figure 9-2 Efficiency TPSM8287A06BAS
GUID-20231010-SS0I-SML0-8VTR-171XDXWKQQP6-low.svg

VIN = 3.3 V

FSW = 1.5 MHz

FPWM

Figure 9-4 Efficiency TPSM8287A06BAS
GUID-20231010-SS0I-GRJS-QT3D-JHRVBCB3STFV-low.svg

VIN = 5.0 V

FSW = 1.5 MHz

FPWM

Figure 9-6 Efficiency TPSM8287A06BAS
GUID-20230502-SS0I-9LDH-Q6G9-KNMVGFH84KQ0-low.svg
VIN = 2.7 VFSW = 1.5 MHz

FPWM

Figure 9-8 Efficiency TPSM8287A12BAS
GUID-20230502-SS0I-BF32-J7WZ-SK0KMDG5BHVC-low.svg
VIN = 3.3 VFSW = 1.5 MHz

FPWM

Figure 9-10 Efficiency TPSM8287A12BAS
GUID-20230406-SS0I-KHLL-8QGP-LLRNLCVRSCXS-low.svg
VIN = 5.0 VFSW = 1.5 MHz

FPWM

Figure 9-12 Efficiency TPSM8287A12BAS
GUID-20240131-SS0I-FQ0X-LGHL-R1WR208SZSGJ-low.svg
VIN = 2.7 VFSW = 1.5 MHz

FPWM

Figure 9-14 Efficiency TPSM8287A15BAH
GUID-20240131-SS0I-CBXR-SWBQ-M88BLTNJ8CS1-low.svg
VIN = 3.3 VFSW = 1.5 MHz

FPWM

Figure 9-16 Efficiency TPSM8287A15BAH
GUID-20240131-SS0I-M2DS-X2SL-KKVMDTHC6B6N-low.svg
VIN = 5.0 VFSW = 1.5 MHz

FPWM

Figure 9-18 Efficiency TPSM8287A15BAH
GUID-20230622-SS0I-FBFM-MPHQ-XQ7VXMTKML1G-low.svg
VIN = 2.7 V

TJ = 25 °C

FPWM

Figure 9-20 Load Regulation TPSM8287A12BAS
GUID-20230622-SS0I-KGWR-V2NS-CBGDCXVFZCS5-low.svg
VIN = 3.3 V

TJ = 25 °C

FPWM

Figure 9-22 Load Regulation TPSM8287A12BAS
GUID-20230622-SS0I-1R3T-3L6K-XT3MRDXSHQDQ-low.svg
VIN = 5.0 V

TJ = 25 °C

FPWM

Figure 9-24 Load Regulation TPSM8287A12BAS
GUID-20230509-SS0I-VXHB-ZT3J-MPQQD6LLKHDB-low.png

Vout = 0.9 V

Iout = 1 A → 9 A → 1 A

Figure 9-26 Load Transient Response TPSM8287A12BBS
GUID-20230509-SS0I-44KS-VXNX-KD2GLFB7LLSH-low.png
Vout = 0.9 VIOUT = 1 A
Figure 9-28 PWM-DCM Operation TPSM8287A12BBS
GUID-20230627-SS0I-HWNP-DSQX-ZCCCZCKJ82FQ-low.svg
VIN = 3.3 VVOUT = 0.75 VIOUT = 6 A
Figure 9-30 Output Noise over Frequency TPSM8287A12BBS
GUID-20240205-SS0I-G2BC-SJ2V-TNZB7C0DDLVC-low.png

IOUT = 10 A

VOUT = 0.9 Vf(SYNC) = 1.8 MHz
Figure 9-32 Adding and Removing an External Clock
GUID-20230509-SS0I-6SWB-NNNP-089VBHHCX47D-low.png
VIN = 3.3 V
Figure 9-34 Current Limit (Hiccup)
GUID-20230509-SS0I-CZLZ-ZK45-C6KJ0NZ70MS8-low.png

VOUT = 3.3 V

Load = 7.5 Ω
Figure 9-36 Shutdown Using EN Pin (Discharge Enabled)
GUID-20231010-SS0I-1DHM-MX2L-CKVRFVNWT3BM-low.svg

RΘJA = 19.5 °C/W

nat. convection

TJ,max = 125 °C

Figure 9-38 Safe Operating Area TPSM8287A06BAS VIN = 3.3 V
GUID-20240214-SS0I-8L56-BMPN-N0DJN4H05VX4-low.svg

RΘJA = 20.0 °C/W

nat. convection

TJ,max = 125 °C

Figure 9-40 Safe Operating Area TPSM8287A10BAH VIN = 3.3 V
GUID-20230627-SS0I-RCZK-GLGH-5RL79CBBS2M5-low.svg

RΘJA = 19.5 °C/W

nat. convection

TJ,max = 125 °C

Figure 9-42 Safe Operating Area TPSM8287A12BAS VIN = 3.3 V
GUID-20230627-SS0I-TT4F-7DKQ-F1K5NK4FLP64-low.svg
RΘJA = 19.5 °C/Wnat. convectionTJ,max = 125 °C
Figure 9-44 Safe Operating Area TPSM8287A12BBS VIN = 3.3 V
GUID-20240214-SS0I-L6PZ-SKGG-ZT62MVT5SZZW-low.svg
RΘJA = 20.0 °C/Wnat. convectionTJ,max = 125 °C
Figure 9-46 Safe Operating Area TPSM8287A15BAH VIN = 3.3 V
GUID-20240214-SS0I-RKSN-JJGF-5V3QXV2P9RNP-low.svg
RΘJA = 20.0 °C/Wnat. convectionTJ,max = 125 °C
Figure 9-48 Safe Operating Area TPSM8287A15BBH VIN = 3.3 V
GUID-20240131-SS0I-PBNC-7HTQ-6LHHKGTKFNWB-low.svg

VIN = 2.7 V

FSW = 1.5 MHz

FPWM

Figure 9-3 Efficiency TPSM8287A10BAH
GUID-20240131-SS0I-K1HX-KZDW-ML9RFDTFM8WZ-low.svg

VIN = 3.3 V

FSW = 1.5 MHz

FPWM

Figure 9-5 Efficiency TPSM8287A10BAH
GUID-20240131-SS0I-FQNJ-L45F-STSG9MM4MQXT-low.svg

VIN = 5.0 V

FSW = 1.5 MHz

FPWM

Figure 9-7 Efficiency TPSM8287A10BAH
GUID-20230502-SS0I-62H6-HKHS-HQB84LFFV3F7-low.svg

VIN = 2.7 V

FSW = 2.25 MHz

FPWM

Figure 9-9 Efficiency TPSM8287A12BBS
GUID-20230502-SS0I-2W8R-FWTZ-HWN45HRKBJP8-low.svg
VIN = 3.3 VFSW = 2.25 MHz

FPWM

Figure 9-11 Efficiency TPSM8287A12BBS
GUID-20230502-SS0I-2DWL-NZGC-FWL3XLTZV6KQ-low.svg
VIN = 5.0 VFSW = 2.25 MHz

FPWM

Figure 9-13 Efficiency TPSM8287A12BBS
GUID-20240131-SS0I-C0V0-MQGX-QZXW3GGPQD02-low.svg
VIN = 2.7 VFSW = 2.25 MHz

FPWM

Figure 9-15 Efficiency TPSM8287A15BBH
GUID-20240131-SS0I-0NGC-1ZGM-33XV2RKXPRRK-low.svg
VIN = 3.3 VFSW = 2.25 MHz

FPWM

Figure 9-17 Efficiency TPSM8287A15BBH
GUID-20240131-SS0I-JPDK-G7NL-M2HWGCGSWHD2-low.svg
VIN = 5.0 VFSW = 2.25 MHz

FPWM

Figure 9-19 Efficiency TPSM8287A15BBH
GUID-20230622-SS0I-SPZ5-KTBB-FHXMQTFDDGBX-low.svg
VIN = 2.7 V

IOUT = 6 A

FPWM

Figure 9-21 Vout Accuracy vs Temperature TPSM8287A12BAS
GUID-20230622-SS0I-S3FC-4KHP-2ZBX5Z5Z1BLN-low.svg
VIN = 3.3 V

IOUT =6 A

FPWM

Figure 9-23 Vout Accuracy vs Temperature TPSM8287A12BAS
GUID-20230622-SS0I-7X9W-XXTL-WZ63GFFX5ZTQ-low.svg
VIN = 5.0 V

IOUT = 6 A

FPWM

Figure 9-25 Vout Accuracy vs Temperature TPSM8287A12BAS
GUID-20230509-SS0I-7ZXD-GXQ0-QLNZD0GH1FSV-low.png
Vout = 0.9 VIOUT = 2 A
Figure 9-27 PWM-CCM Operation TPSM8287A12BBS
GUID-20230509-SS0I-LHLX-SF3N-CZKKPG0DHLWW-low.png
Vout = 0.9 VIOUT = 100 mA
Figure 9-29 PFM-DCM Operation TPSM8287A12BBS
GUID-20230509-SS0I-G5V5-L0SZ-Z2SZQSNHNRVV-low.png

IOUT = 1 A

f(SYNC) = 2 MHz
Figure 9-31 Synchronization to an External Clock
GUID-20240205-SS0I-6BXX-RP09-XWKQC2DHNTJD-low.png

IOUT = 10 A

VOUT = 0.9 V

f(SYNC) = 2 to 2.5 MHz (random)

Figure 9-33 Synchronization to a Random External Clock
GUID-20230509-SS0I-V27H-JVQ9-BN93S2MZWQJV-low.png

VOUT = 0.75 V

Figure 9-35 Start-Up Using EN Pin
GUID-20230509-SS0I-Z9PZ-BCM1-JKJJBPVWLGSP-low.png
VOUT = 3.3 VLoad = 7.5 Ω
Figure 9-37 Shutdown Using EN Pin (Discharge Disabled)
GUID-20231010-SS0I-WPZH-SJ9F-1LHPX33VKTJD-low.svg

RΘJA = 19.5 °C/W

nat. convection

TJ,max = 125 °C

Figure 9-39 Safe Operating Area TPSM8287A06BAS VIN = 5.0 V
GUID-20240214-SS0I-6NFG-2LHC-RLF5CLTZ0DC1-low.svg

RΘJA = 20.0 °C/W

nat. convection

TJ,max = 125 °C

Figure 9-41 Safe Operating Area TPSM8287A10BAH VIN = 5.0 V
GUID-20230627-SS0I-WGHJ-VX3S-4SSM8PBTQSJ7-low.svg

RΘJA = 19.5 °C/W

nat. convection

TJ,max = 125 °C

Figure 9-43 Safe Operating Area TPSM8287A12BAS VIN = 5.0 V
GUID-20230627-SS0I-CDP4-8KRM-733XZNVZBZQN-low.svg
RΘJA = 19.5 °C/Wnat. convectionTJ,max = 125°C
Figure 9-45 Safe Operating Area TPSM8287A12BBS VIN = 5.0 V
GUID-20240214-SS0I-Q3LQ-ZHF1-CG8GMBM4NH5L-low.svg
RΘJA = 20.0 °C/Wnat. convectionTJ,max = 125°C
Figure 9-47 Safe Operating Area TPSM8287A15BAH VIN = 5.0 V
GUID-20240214-SS0I-XKST-PSSC-17X7ZFHXXD2K-low.svg
RΘJA = 20.0°C/Wnat. convectionTJ,max = 125°C
Figure 9-49 Safe Operating Area TPSM8287A15BBH VIN = 5.0 V