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TPSM8D6B24

ACTIVE

2.95V-to-16V input, dual 25A or single 50A PMBus® power module

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Data sheet

TPSM8D6B24

ACTIVE
Data sheet Order now

Product details

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Module Iout (max) (A) 25 Vin (min) (V) 2.95 Vin (max) (V) 16 Vout (min) (V) 0.5 Vout (max) (V) 5.5 Switching frequency (min) (kHz) 275 Switching frequency (max) (kHz) 1100 Features Adjustable current limit, Current Sharing, Dynamic Voltage Scaling, EMI Tested, Enable, Frequency synchronization, Overcurrent protection, PMBus, Phase Interleaving, Power good, Remote Sense, Voltage Margining Control mode current mode Duty cycle (max) (%) 85
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Module Iout (max) (A) 25 Vin (min) (V) 2.95 Vin (max) (V) 16 Vout (min) (V) 0.5 Vout (max) (V) 5.5 Switching frequency (min) (kHz) 275 Switching frequency (max) (kHz) 1100 Features Adjustable current limit, Current Sharing, Dynamic Voltage Scaling, EMI Tested, Enable, Frequency synchronization, Overcurrent protection, PMBus, Phase Interleaving, Power good, Remote Sense, Voltage Margining Control mode current mode Duty cycle (max) (%) 85
QFM (MOW) 59 320 mm² 16 x 20
  • 4.25 V to 16 V with PVIN tied to AVIN with internal LDO
  • 2.95 V to 16 V with PVIN and AVIN split rail, or with external bias on VDD5
  • Integrated MOSFETs, inductors, and basic passives
  • Average current mode control with selectable internal compensation
  • 0.5-V to 5.5-V output voltage range from through pinstrap
  • 0.25-V to 5.5-V PMBus VOUT_COMMAND range
  • Extensive PMBus command set with telemetry for V OUT, I OUT, and die temperature
  • Differential remote sensing with an internal FB divider for < 1% V OUT error
  • –40°C to +125°C junction temperature range
  • AVS and margining capabilities through PMBus
  • Multi-function select (MSEL) pins for pinstrap programming PMBus defaults
  • Nine selectable switching frequencies from 275 kHz to 1.1 MHz
  • Frequency sync in and sync out
  • Supports prebiased output
  • 16-mm × 20-mm × 4.3-mm, 59-pin MOW package
  • Create a custom design using the TPSM8D6B24 with the WEBENCH Power Designer
  • 4.25 V to 16 V with PVIN tied to AVIN with internal LDO
  • 2.95 V to 16 V with PVIN and AVIN split rail, or with external bias on VDD5
  • Integrated MOSFETs, inductors, and basic passives
  • Average current mode control with selectable internal compensation
  • 0.5-V to 5.5-V output voltage range from through pinstrap
  • 0.25-V to 5.5-V PMBus VOUT_COMMAND range
  • Extensive PMBus command set with telemetry for V OUT, I OUT, and die temperature
  • Differential remote sensing with an internal FB divider for < 1% V OUT error
  • –40°C to +125°C junction temperature range
  • AVS and margining capabilities through PMBus
  • Multi-function select (MSEL) pins for pinstrap programming PMBus defaults
  • Nine selectable switching frequencies from 275 kHz to 1.1 MHz
  • Frequency sync in and sync out
  • Supports prebiased output
  • 16-mm × 20-mm × 4.3-mm, 59-pin MOW package
  • Create a custom design using the TPSM8D6B24 with the WEBENCH Power Designer

The TPSM8D6B24 is a highly integrated, easy-to-use, non-isolated DC/DC buck power module. The TPSM8D6B24 provides two 25-A independent outputs or a single stacked 2-phase 50-A output. The device has an option to overdrive the internal 5-V LDO with an external 5-V supply to enable a lower input voltage range down to 2.95 V and improve the efficiency of the converter.

The TPSM8D6B24 power module uses a proprietary fixed-frequency current-mode control with input feedforward and selectable internal compensation components for minimal size and stability over a wide range of output capacitances.

The PMBus interface with 1-MHz clock support provides a convenient, standardized digital interface for converter configuration as well as monitoring of key parameters including output voltage, output current, and internal die temperature. Response to fault conditions can be set to restart, latch off, or ignore, depending on system requirements. Back-channel communication between stacked devices enables all TPSM8D6B24 converters, powering a single output rail to share a single address to simplify system software or firmware design. Key parameters including output voltage, switching frequency, soft-start time, and overcurrent fault limits can also be configured through BOM selection without PMBus communication to support program free power up.

The TPSM8D6B24 is a highly integrated, easy-to-use, non-isolated DC/DC buck power module. The TPSM8D6B24 provides two 25-A independent outputs or a single stacked 2-phase 50-A output. The device has an option to overdrive the internal 5-V LDO with an external 5-V supply to enable a lower input voltage range down to 2.95 V and improve the efficiency of the converter.

The TPSM8D6B24 power module uses a proprietary fixed-frequency current-mode control with input feedforward and selectable internal compensation components for minimal size and stability over a wide range of output capacitances.

The PMBus interface with 1-MHz clock support provides a convenient, standardized digital interface for converter configuration as well as monitoring of key parameters including output voltage, output current, and internal die temperature. Response to fault conditions can be set to restart, latch off, or ignore, depending on system requirements. Back-channel communication between stacked devices enables all TPSM8D6B24 converters, powering a single output rail to share a single address to simplify system software or firmware design. Key parameters including output voltage, switching frequency, soft-start time, and overcurrent fault limits can also be configured through BOM selection without PMBus communication to support program free power up.
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Technical documentation

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Type Title Date
* Data sheet TPSM8D6B24 2.95-V to 16-V, Dual 25-A or Single 50-A, PMBus® Buck Power Module datasheet (Rev. A) PDF | HTML 13 Sep 2023
Application brief Solving Power Design Challenges in Semiconductor Test and ATE Applications PDF | HTML 02 Aug 2024
EVM User's guide TPSM8D6B24 Power Module Evaluation Module User's Guide PDF | HTML 22 Aug 2022
Certificate TPSM8D6B24EVM-2V0 EU RoHS Declaration of Conformity (DoC) 19 Aug 2022
Application note TPSM8D6C24 Module Stackability Using the TPSM8D6C24EVM-2V0 Evaluation Module PDF | HTML 15 Dec 2021

Design & development

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Evaluation board

TPSM8D6B24EVM-2V0 — TPSM8D6B24 evaluation module

The TPSM8D6B24EVM-2V0 evaluation module (EVM) is configured to evaluate the operation of the TPSM8D6B24 power module in a dual output configuration. The input voltage range is 2.95 V to 16 V, and the output voltage for each 25-A output is 1.8-V and 3.32-V. The TPSM8D6B24 allows programming and (...)
User guide: PDF | HTML
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Simulation model

TPSM8D6B24 PSpice Transient Model

SLUM805.ZIP (253 KB) - PSpice Model
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Simulation model

TPSM8D6B24 SIMPLIS Transient and Average Model

SLUM804.ZIP (1229 KB) - SIMPLIS Model
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