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TPSM846C23

ACTIVE

4.5V to 15V Input, 0.35V to 2.0V Output, 35A PMBus Power Module

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Data sheet

TPSM846C23

ACTIVE
Data sheet Order now

Product details

Rating Catalog Operating temperature range (°C) -40 to 105 Topology Buck, Synchronous Buck Type Module Iout (max) (A) 35 Vin (min) (V) 4.5 Vin (max) (V) 15 Vout (min) (V) 0.35 Vout (max) (V) 2 Switching frequency (min) (kHz) 300 Switching frequency (max) (kHz) 1000 Features Current Sharing, EMI Tested, Enable, Frequency synchronization, PMBus, Phase Interleaving, Power good, Remote Sense, Tracking Control mode Voltage mode Duty cycle (max) (%) 83
Rating Catalog Operating temperature range (°C) -40 to 105 Topology Buck, Synchronous Buck Type Module Iout (max) (A) 35 Vin (min) (V) 4.5 Vin (max) (V) 15 Vout (min) (V) 0.35 Vout (max) (V) 2 Switching frequency (min) (kHz) 300 Switching frequency (max) (kHz) 1000 Features Current Sharing, EMI Tested, Enable, Frequency synchronization, PMBus, Phase Interleaving, Power good, Remote Sense, Tracking Control mode Voltage mode Duty cycle (max) (%) 83
QFM (MOL) 59 240 mm² 16 x 15
  • Complete Integrated PMBus™ Power Solution
  • Pin Compatible With TPSM846C24 (non-PMBus)
  • Stackable up to 70 A With Current Sharing
  • Output Voltage Range 0.35 V to 2 V
  • Output Voltage Accuracy as Tight as 0.5%
  • 15 mm × 16 mm Footprint (6.4 Max Height)
  • 300-kHz to 1-MHz Switching Frequency
  • Synchronization to an External Clock
  • Differential Remote Sense
  • Power-Good Output
  • Prebias Output Monotonic Start-Up
  • PMBus Telemetry: Current, Voltage, Temperature
  • Programmable Protection and Fault Response
  • Programmable UVLO, Soft Start/Stop, Delays
  • Operating IC Junction Range: –40°C to +125°C
  • Operating Ambient Range: –40°C to +105°C
  • Enhanced Thermal Performance: 8.7°C/W
  • Meets EN55022 Class A Emissions
  • Create a Custom Design Using the TPSM846C23 With the WEBENCH® Power Designer
  • Complete Integrated PMBus™ Power Solution
  • Pin Compatible With TPSM846C24 (non-PMBus)
  • Stackable up to 70 A With Current Sharing
  • Output Voltage Range 0.35 V to 2 V
  • Output Voltage Accuracy as Tight as 0.5%
  • 15 mm × 16 mm Footprint (6.4 Max Height)
  • 300-kHz to 1-MHz Switching Frequency
  • Synchronization to an External Clock
  • Differential Remote Sense
  • Power-Good Output
  • Prebias Output Monotonic Start-Up
  • PMBus Telemetry: Current, Voltage, Temperature
  • Programmable Protection and Fault Response
  • Programmable UVLO, Soft Start/Stop, Delays
  • Operating IC Junction Range: –40°C to +125°C
  • Operating Ambient Range: –40°C to +105°C
  • Enhanced Thermal Performance: 8.7°C/W
  • Meets EN55022 Class A Emissions
  • Create a Custom Design Using the TPSM846C23 With the WEBENCH® Power Designer

The TPSM846C23 is a 35-A fixed-frequency, PMBus-compliant, step-down power module, with PMBus commands that allow for the configuration, control, and monitoring of key power regulator functions. The module incorporates the controller, power MOSFETs, inductor, and associated components into a rugged, thermally enhanced, surface-mount package. The user supplies the input and output capacitors along with a few other passive components to set the operating parameters of the module. Two modules can be configured to work in parallel to provide up to a 70-A, two-phase power solution.

The PMBus interface provides for converter configuration of output voltage, UVLO, soft start, soft stop, overcurrent, and thermal shutdown parameters. The interface also provides support for telemetry that can report the actual output voltage, output current, and device temperature. Standard PMBus warning and fault functions are also supported. The device supports PMBus communication speeds up to 400 kHz and supports a subset of the commands in the PMBus 1.3 specification.

The 15-mm × 16-mm component footprint is easy to solder onto a printed circuit board and allows a compact, point-of-load design.

The TPSM846C23 is a 35-A fixed-frequency, PMBus-compliant, step-down power module, with PMBus commands that allow for the configuration, control, and monitoring of key power regulator functions. The module incorporates the controller, power MOSFETs, inductor, and associated components into a rugged, thermally enhanced, surface-mount package. The user supplies the input and output capacitors along with a few other passive components to set the operating parameters of the module. Two modules can be configured to work in parallel to provide up to a 70-A, two-phase power solution.

The PMBus interface provides for converter configuration of output voltage, UVLO, soft start, soft stop, overcurrent, and thermal shutdown parameters. The interface also provides support for telemetry that can report the actual output voltage, output current, and device temperature. Standard PMBus warning and fault functions are also supported. The device supports PMBus communication speeds up to 400 kHz and supports a subset of the commands in the PMBus 1.3 specification.

The 15-mm × 16-mm component footprint is easy to solder onto a printed circuit board and allows a compact, point-of-load design.
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TPS546C23 ACTIVE 4.5-V to 18-V, stackable 35-A synchronous SWIFT™ buck converter with PMBus and telemetry Discrete equivalent.
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Technical documentation

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* Data sheet TPSM846C23 4.5-V to 15-V Input, 0.35-V to 2-V Output, 35-A PMBus Power Module datasheet (Rev. F) PDF | HTML 15 Jan 2019
Application note Soldering Considerations for Power Modules (Rev. C) PDF | HTML 14 Mar 2024
User guide TPSM846C23 2-Phase Power Module Evaluation Module User's Guide (Rev. D) PDF | HTML 04 Feb 2022
User guide TPSM846C23 Power Module Evaluation Module User's Guide (Rev. B) PDF | HTML 04 Feb 2022
Technical article 3 ways to reduce power-supply noise with power modules PDF | HTML 15 Dec 2020
Technical article 3 big benefits of small cells PDF | HTML 26 May 2020
White paper Power solution options for data center applications (Rev. A) 27 Feb 2020
Application note Practical Thermal Design With DC/DC Power Modules (Rev. A) 20 Nov 2019
White paper Small Cells, Big Impact: Designing Power Soutions for 5G Applications 26 Jun 2019
White paper Simplify low EMI design with power modules 20 Nov 2017
Technical article Save PCB space and overcome point-of-load design complexity with PMBus modules PDF | HTML 27 Mar 2017

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPSM846C23DEVM-807 — Parallel TPSM846C23 70A PMBus Power Module Evaluation Board

The TPSM846C23DEVM-807 evaluation module (EVM) is configured to evaluate the parallel operation of the TPSM846C23 PMBus power module for output currents up to 70 A. The input voltage range is 4.5 V to 15 V, with an output voltage range of 0.35 V to 2.0 V. The EVM’s PMBus interface allows (...)

User guide: PDF | HTML
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Evaluation board

TPSM846C23EVM-806 — TPSM846C23 35A PMBus Power Module Evaluation Module

The TPSM846C23EVM-806 evaluation board (EVM) is configured to evaluate the operation of the TPSM846C23 PMBus power module for output currents up to 35 A. The input voltage range is 4.5 V to 15 V, with an output voltage range of 0.35 V to 2.0 V. The EVM’s PMBus interface allows power supply (...)

User guide: PDF | HTML
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Application software & framework

FUSION_DIGITAL_POWER_DESIGNER — Digital Power Software

Fusion Digital Power™ graphical user interface (GUI) software is used to configure and monitor select Texas Instruments digital power controllers and sequencer/health monitors. The application uses the PMBus protocol to communicate with the device over serial bus by way of a TI USB adapter.
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Simulation model

TPSM846C23 PSpice Transient Model (Rev. A)

SLVMBY1A.ZIP (182 KB) - PSpice Model
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Package Pins CAD symbols, footprints & 3D models
QFM (MOL) 59 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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