TPS546D24A

現行

具有針腳設置和 PMBus® 的 2.95V 至 16V、可堆疊 40A 同步 SWIFT™ 降壓轉換器

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產品規格表

document-pdfAcrobat TPS546D24A 2.95-V to 16-V, 40-A, up to 4x Stackable, PMBus Buck Converter datasheet (Rev. A) (英文)

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TPS546D24S

現行

具有增強的安全性的 2.95-V 至 16-V、可堆疊 40-A 同步 SWIFT™ 降壓 PMBus® 轉換器 Extended write protection

功能相同，但針腳輸出與所比較的裝置不同。

最新 TPS546C25

現行

4V 至 18V 輸入、35A、堆疊式 PMBus 同步降壓轉換器 Higher Efficiency in a smaller package

TPS546D24A

現行

產品規格表

立即訂購

產品詳細資料

Rating

Catalog

Topology

Buck

Iout (max) (A)

40

Vin (max) (V)

16

Vin (min) (V)

2.95

Vout (max) (V)

5.5

Vout (min) (V)

0.25

Features

Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Differential Remote Sense, Enable, Forced PWM, Frequency synchronization, I2C, Overcurrent protection, Phase Interleaving, Power good, Prebias startup, Soft-start adjustable, Synchronous rectification, Telemetry, UVLO adjustable, Voltage Margining

Control mode

current mode

Operating temperature range (°C)

-40 to 150

Iq (typ) (A)

0.009

Duty cycle (max) (%)

85

Rating

Catalog

Topology

Buck

Iout (max) (A)

40

Vin (max) (V)

16

Vin (min) (V)

2.95

Vout (max) (V)

5.5

Vout (min) (V)

0.25

Features

Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Differential Remote Sense, Enable, Forced PWM, Frequency synchronization, I2C, Overcurrent protection, Phase Interleaving, Power good, Prebias startup, Soft-start adjustable, Synchronous rectification, Telemetry, UVLO adjustable, Voltage Margining

Control mode

current mode

Operating temperature range (°C)

-40 to 150

Iq (typ) (A)

0.009

Duty cycle (max) (%)

85

LQFN-CLIP (RVF)

40

35 mm² (7 mm × 5 mm)

Split rail support: 2.95-V to 16-V PVIN; 2.95-V to 18-V AVIN (4-V_IN VDD5 for switching)
Integrated 4.5-mΩ/0.9-mΩ MOSFETs
Average current mode control with selectable internal compensation
2×, 3×, 4× stackable with current sharing up to 160 A, supporting a single address per output
Selectable 0.5-V to 5.5-V output via pin strap or 0.25-V to 5.5-V using PMBus VOUT_COMMAND
Extensive PMBus command set with telemetry for V_OUT, I_OUT and internal die temperature
Differential remote sensing with internal FB divider for < 1% V_OUT error –40°C to +150°C T_J
AVS and margining capabilities through PMBus
MSEL pins pin programming PMBus defaults
12 Selectable switching frequencies from 225 kHz to 1.5 MHz (8 pin-strap options)
Frequency sync in/sync out
Supports prebiased output
Supports strongly coupled inductor
7-mm × 5-mm × 1.5-mm, 40-pin QFN, pitch = 0.5 mm
Create a Custom Design Using the TPS546D24A With WEBENCH Power Designer

Split rail support: 2.95-V to 16-V PVIN; 2.95-V to 18-V AVIN (4-V_IN VDD5 for switching)
Integrated 4.5-mΩ/0.9-mΩ MOSFETs
Average current mode control with selectable internal compensation
2×, 3×, 4× stackable with current sharing up to 160 A, supporting a single address per output
Selectable 0.5-V to 5.5-V output via pin strap or 0.25-V to 5.5-V using PMBus VOUT_COMMAND
Extensive PMBus command set with telemetry for V_OUT, I_OUT and internal die temperature
Differential remote sensing with internal FB divider for < 1% V_OUT error –40°C to +150°C T_J
AVS and margining capabilities through PMBus
MSEL pins pin programming PMBus defaults
12 Selectable switching frequencies from 225 kHz to 1.5 MHz (8 pin-strap options)
Frequency sync in/sync out
Supports prebiased output
Supports strongly coupled inductor
7-mm × 5-mm × 1.5-mm, 40-pin QFN, pitch = 0.5 mm
Create a Custom Design Using the TPS546D24A With WEBENCH Power Designer

The TPS546D24A is a highly integrated, non-isolated DC/DC converter capable of high frequency operation and 40-A current output from a 7-mm × 5-mm package. Two, three, and four TPS546D24A devices can be interconnected to provide up to 160 A on a single output. The device has an option to overdrive the internal 5-V LDO with an external 5-V supply via the VDD5 pin to improve efficiency and reduce power dissipation of the converter.

The TPS546D24A 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 gives 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 TPS546D24A 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 TPS546D24A is a highly integrated, non-isolated DC/DC converter capable of high frequency operation and 40-A current output from a 7-mm × 5-mm package. Two, three, and four TPS546D24A devices can be interconnected to provide up to 160 A on a single output. The device has an option to overdrive the internal 5-V LDO with an external 5-V supply via the VDD5 pin to improve efficiency and reduce power dissipation of the converter.

The TPS546D24A 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 gives 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 TPS546D24A 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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TPS546B24A

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具有針腳設置和 PMBus 的 2.95-V 至 18-V、可堆疊 20-A 同步 SWIFT™ 降壓轉換器 Lower current equivalent part.

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技術文件

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重要文件	類型	標題	格式選項	日期
*	資料表	TPS546D24A 2.95-V to 16-V, 40-A, up to 4x Stackable, PMBus Buck Converter datasheet (Rev. A)		2020/11/5
	應用說明	Extending Output Voltage Beyond 5.5V with the TPS546x24 Family	PDF \| HTML	2026/7/7
	技術文章	TPS546D24A Programming considerations	PDF \| HTML	2026/3/23
	Application brief	Solving power design challenges in oscilloscope applications	PDF \| HTML	2023/10/31
	應用說明	Collection of DC/DC Buck Regulator Technical Documentation (Rev. A)	PDF \| HTML	2022/11/28
	應用說明	Point-of-Load Solutions for Network Interface Cards (NIC)	PDF \| HTML	2021/9/8
	應用說明	DC/DC Converter Solutions for Hardware Accelerators in Data Center Applications (Rev. A)	PDF \| HTML	2021/5/4
	選擇指南	Buck Converter Quick Reference Guide (Rev. B)		2021/4/8
	技術文章	3 big benefits of small cells	PDF \| HTML	2020/5/26
	應用說明	Minimize On-Time-Jitter and Ripple by Optimizing Compensation		2020/5/11
	技術文章	Advantages of scalability: from Peter Parker to pin-strapping	PDF \| HTML	2020/4/30
	技術文章	SoC power design: 3 steps to a thermally optimized power supply	PDF \| HTML	2020/3/9
	應用說明	Powering the TPS546D24A Device Family From a Single 3.3-V Input Power Supply (Rev. A)		2020/3/4
	白皮書	Power solution options for data center applications (Rev. A)		2020/2/27
	技術文章	35 years later, APEC continues to set the tone for innovation in power management	PDF \| HTML	2020/2/27
	應用說明	Point-of-Load Solutions for Data Center App Implementing VR13.HC Vccin Spec (Rev. A)	PDF \| HTML	2020/1/8
	應用說明	Achieving Better than 1% Output Voltage Accuracy with TPS546D24A		2019/12/1
	白皮書	Small Cells, Big Impact: Designing Power Soutions for 5G Applications		2019/6/26

設計與開發

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開發板

TPS546A24AEVM-1PH — 2.95-V 至 18-V，10-A 同步降壓評估模組

TPS546A24AEVM-1PH 是適用於 TPS546A24A 10-A 降壓轉換器的評估模組 (EVM)。TPS546A24A 裝置是具備 PMBus 介面的堆疊式同步降壓裝置，可在額定 2.95-V 至 18-V 供電範圍內運作。該裝置允許透過 PMBus 介面進行編程與監控。

使用指南: PDF | HTML

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TPS546B24AEVM-1PH — 2.95-V 至 18-V，20-A 同步降壓評估模組

TPS546B24AEVM-1PH 是適用於 TPS546B24A 20-A 降壓轉換器的評估模組 (EVM)。TPS546B24A 裝置是具備 PMBus 介面的堆疊式同步降壓裝置，可在額定 2.95-V 至 18-V 供電範圍內運作。該裝置允許透過 PMBus 介面進行編程與監控。

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TPS546D24AEVM — 固定頻率同步降壓轉換器 2 相位評估模組

TPS546D24AEVM-2PH 評估模組 (EVM) 是配備兩個 TPS546D24A 裝置的雙相降壓轉換器。TPS546D24A 裝置是具備 PMBus 介面的堆疊式同步降壓裝置，可在額定 2.95-V 至 16-V 供電範圍內運作。本裝置允許透過 PMBus 介面進行編程與監控。

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USB-TO-GPIO2 — USB-TO-GPIO2 USB 介面轉接器評估模組

此 EVM 透過標準的 A 型到迷你 B 型 USB 電纜，充當主機 PC 和一個或多個目標裝置之間的介面轉接器或橋接器。USB 介面轉接器與主機 PC 之間的通訊透過 USB 進行，而 USB 介面轉接器與目標裝置之間的通訊則是透過內部積體電路 (I²C)、通用輸入和輸出 GPIO 或兩者。橋接器會轉換 USB 和 I²C/GPIO 之間的通訊交易。

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