Product details

Iout (Max) (A) 35 Vin (Min) (V) 2.95 Vin (Max) (V) 16 Vout (Min) (V) 0.5 Vout (Max) (V) 3.6 Soft start Adjustable 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 Operating temperature range (C) -40 to 125 Iq (Typ) (uA) 18000 Regulated outputs (#) 2 Switching frequency (Max) (kHz) 1500 Switching frequency (Min) (kHz) 225 Duty cycle (Max) (%) 85 Topology Buck
Iout (Max) (A) 35 Vin (Min) (V) 2.95 Vin (Max) (V) 16 Vout (Min) (V) 0.5 Vout (Max) (V) 3.6 Soft start Adjustable 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 Operating temperature range (C) -40 to 125 Iq (Typ) (uA) 18000 Regulated outputs (#) 2 Switching frequency (Max) (kHz) 1500 Switching frequency (Min) (kHz) 225 Duty cycle (Max) (%) 85 Topology Buck
  • 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 3.6-V output voltage range from through pinstrap
  • 0.25-V to 3.6-V PMBus VOUT_COMMAND range
  • Extensive PMBus command set with telemetry for VOUT, IOUT, and die temperature
  • Differential remote sensing with an internal FB divider for < 1% VOUT error
  • –40°C to +125°C TJ
  • 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/sync out
  • Supports prebiased output
  • 16-mm × 20-mm × 4.3-mm, 59-pin MOW package
  • Create a custom design using the TPSM8D6C24 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 3.6-V output voltage range from through pinstrap
  • 0.25-V to 3.6-V PMBus VOUT_COMMAND range
  • Extensive PMBus command set with telemetry for VOUT, IOUT, and die temperature
  • Differential remote sensing with an internal FB divider for < 1% VOUT error
  • –40°C to +125°C TJ
  • 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/sync out
  • Supports prebiased output
  • 16-mm × 20-mm × 4.3-mm, 59-pin MOW package
  • Create a custom design using the TPSM8D6C24 with the WEBENCH Power Designer

The TPSM8D6C24 is a highly integrated, easy-to-use, non-isolated DC/DC buck power module. The TPSM8D6C24 provides two 35-A independent outputs or a single stacked 2-phase 70-A output. Two modules can be stacked for a 4-phase 140-A output. The device has an option to overdrive the internal 5-V LDO with an external 5-V supply to enable lower input voltage range down to 2.95 V and improve the efficiency of the converter.

The TPSM8D6C24 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 to provide 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 TPSM8D6C24 converters, powering a single output rail to share a single address to simplify system software/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 TPSM8D6C24 is a highly integrated, easy-to-use, non-isolated DC/DC buck power module. The TPSM8D6C24 provides two 35-A independent outputs or a single stacked 2-phase 70-A output. Two modules can be stacked for a 4-phase 140-A output. The device has an option to overdrive the internal 5-V LDO with an external 5-V supply to enable lower input voltage range down to 2.95 V and improve the efficiency of the converter.

The TPSM8D6C24 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 to provide 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 TPSM8D6C24 converters, powering a single output rail to share a single address to simplify system software/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 TPSM8D6C24 2.95-V to 16-V, Dual 35-A or Single 70-A, Up to 4-Phase Stackable, PMBus® Buck Power Module datasheet 10 Dec 2021
User guide TPSM8D6C24EVM-2PH User's Guide 08 Dec 2021
User guide TPSM8D6C24EVM-2V0 User's Guide 08 Dec 2021
Certificate TPSM8D6C24EVM-2PH EU RoHS Declaration of Conformity (DoC) 29 Nov 2021
Certificate TPSM8D6C24EVM-2V0 EU RoHS Declaration of Conformity (DoC) 25 Oct 2021

Design & development

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Evaluation board

TPSM8D6C24EVM-2PH — TPSM8D6C24 evaluation board 2.95-V to 16-V input, 0.5-V to 3.6-V, 70-A output, 2-phase power module

The TPSM8D6C24EVM-2PH evaluation module (EVM) is configured to evaluate the operation of the TPSM8D6C24 power module in a dual phase configuration. The input voltage range is 2.95 V to 16 V, and the output voltage range for the 70-A output is 0.8 V. The TPSM8D6C24 allows programming and monitoring (...)

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Evaluation board

TPSM8D6C24EVM-2V0 — TPSM846D24 evaluation board 2.95-V to 16-V input, dual 0.8-V and 1.2-V, 35-A outputs, power module

The TPSM8D6C24EVM-2V0 evaluation module (EVM) is configured to evaluate the operation of the TPSM8D6C24 power module in a dual output configuration. The input voltage range is 2.95 V to 16 V, and the output voltage for each 35-A output is 0.8 V and 1.2 V. The TPSM8D6C24 allows programming and (...)

In stock
Limit: 5
Simulation model

TPSM8D6C24 PSpice Transient Model

SLUM796.ZIP (195 KB) - PSpice Model
Simulation model

TPSM8D6C24 SIMPLIS Transient Model

SLUM797.ZIP (1233 KB) - SIMPLIS Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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