TPSM8D6B24

Name: TPSM8D6B24
Brand: TI
SKU: TPSM8D6B24
Price: 18.4 USD

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

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Data sheet

document-pdfAcrobat TPSM8D6B24 2.95-V to 16-V, Dual 25-A or Single 50-A, PMBus® Buck Power Module datasheet (Rev. A) PDF | HTML

TPSM8D6B24

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Data sheet

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Product details

Iout (max) (A)

25

Vin (max) (V)

16

Vin (min) (V)

2.95

Vout (max) (V)

5.5

Vout (min) (V)

0.5

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Topology

Buck

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

Switching frequency (max) (Hz)

1100000

Switching frequency (min) (Hz)

275000

Iout (max) (A)

25

Vin (max) (V)

16

Vin (min) (V)

2.95

Vout (max) (V)

5.5

Vout (min) (V)

0.5

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Topology

Buck

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

Switching frequency (max) (Hz)

1100000

Switching frequency (min) (Hz)

275000

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
	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