TPS62872

現行

6V、12A堆疊式同步降壓式轉換器

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產品規格表

document-pdfAcrobat TPS6287x 2.7V to 6V Input, 6A, 9A, 12A, 15A, Fast Transient Stackable Synchronous Step-Down Converters With I2 C Interface and Remote Sense datasheet (Rev. E) (英文) PDF | HTML

TPS62872

現行

產品規格表

立即訂購

產品詳細資料

Rating

Catalog

Topology

Buck, Multiphase, Step-Down Converter, Synchronous Buck

Iout (max) (A)

Vin (max) (V)

Vin (min) (V)

2.7

Vout (max) (V)

3.35

Vout (min) (V)

0.4

Switch current limit (typ) (A)

Features

Adaptive/Dynamic Voltage Scaling, Differential Remote Sense, Enable, Fixed Output, Forced PWM, Frequency synchronization, I2C/PMBus, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO Fixed, Wettable flanks package

EMI features

Frequency Dithering, Low parasitic Hotrod packaging, Spread Spectrum

Control mode

COT, Constant on-time (COT), DCS-Control

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.00175

Duty cycle (max) (%)

Rating

Catalog

Topology

Buck, Multiphase, Step-Down Converter, Synchronous Buck

Iout (max) (A)

Vin (max) (V)

Vin (min) (V)

2.7

Vout (max) (V)

3.35

Vout (min) (V)

0.4

Switch current limit (typ) (A)

Features

EMI features

Frequency Dithering, Low parasitic Hotrod packaging, Spread Spectrum

Control mode

COT, Constant on-time (COT), DCS-Control

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.00175

Duty cycle (max) (%)

VQFN-FCRLF (RXS)

9.0525 mm² (2.55 mm × 3.55 mm)

Available as an integrated-inductor power module: TPSM8287A06, TPSM8287A10, TPSM8287A12, TPSM8287A15
Functional Safety-Capable
- Documentation available to aid functional safety system design
2.7V to 6V input voltage range
6A, 9A, 12A, 15A pin-to-pin device family
Four output voltage ranges:
- 0.4V to 0.71875V in 1.25mV steps
- 0.4V to 1.0375V in 2.5mV steps
- 0.4V to 1.675V in 5mV steps
- 0.8V to 3.35V in 10mV steps
Output voltage accuracy ±1%
Differential remote sensing
7mΩ and 4.5mΩ internal power MOSFETs
Adjustable external compensation
Power-save or forced-PWM operation
Optional synchronization to external clock or spread-spectrum operation
I2C-compatible interface up to 1MHz
Stackable for increased output current capability
Thermal warning and thermal shutdown
Active output discharge
Power-good output with a window comparator
Available in 2.55mm × 3.55mm × 1mm VQFN package with wettable flanks
–40°C to 125°C junction temperature, TJ

Available as an integrated-inductor power module: TPSM8287A06, TPSM8287A10, TPSM8287A12, TPSM8287A15
Functional Safety-Capable
- Documentation available to aid functional safety system design
2.7V to 6V input voltage range
6A, 9A, 12A, 15A pin-to-pin device family
Four output voltage ranges:
- 0.4V to 0.71875V in 1.25mV steps
- 0.4V to 1.0375V in 2.5mV steps
- 0.4V to 1.675V in 5mV steps
- 0.8V to 3.35V in 10mV steps
Output voltage accuracy ±1%
Differential remote sensing
7mΩ and 4.5mΩ internal power MOSFETs
Adjustable external compensation
Power-save or forced-PWM operation
Optional synchronization to external clock or spread-spectrum operation
I2C-compatible interface up to 1MHz
Stackable for increased output current capability
Thermal warning and thermal shutdown
Active output discharge
Power-good output with a window comparator
Available in 2.55mm × 3.55mm × 1mm VQFN package with wettable flanks
–40°C to 125°C junction temperature, TJ

The TPS6287x is a family of pin-to-pin 6A, 9A, 12A, and 15A synchronous step-down DC/DC converters with differential remote sensing. For each current rating, there are full-featured device variants with I2C interface and limited-featured device variants without I2C interface. All devices offer high efficiency and ease of use. Low-resistance power switches allow up to 15A continuous output current at high ambient temperatures.

The devices can operate in stacked mode to deliver higher output currents or to spread the power dissipation across multiple devices.

The TPS6287x family implements a fixed-frequency DCS-Control scheme that supports fast transients. The devices can operate in power save mode for maximum efficiency, or forced-PWM mode for the best transient performance and lowest output voltage ripple.

The remote sensing feature allows voltage regulation at the point-of-load, hence the device achieves better than ±1% DC voltage accuracy under all operating conditions.

The switching frequency is resistor-selectable through the FSEL pin. The switching frequency can be set to 1.5MHz, 2.25MHz, 2.5MHz, or 3.0MHz, or synchronized to an external clock in the same frequency range.

The I2C-compatible interface offers several control, monitoring, and warning features, such as voltage monitoring and temperature-related warnings. The output voltage can be quickly adjusted to adapt the power consumption of the load to the performance needs of the application through the I2C-compatible interface. The default start-up voltage is resistor-selectable through the VSEL pin.

The devices can operate in stacked mode to deliver higher output currents or to spread the power dissipation across multiple devices.

The remote sensing feature allows voltage regulation at the point-of-load, hence the device achieves better than ±1% DC voltage accuracy under all operating conditions.

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TPS62872-Q1

現行

車用、2.7V 至 -6V 輸入、12A 可堆疊同步降壓轉換器 Pin-2-Pin device with Automotive Q100 grade

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重要文件	類型	標題	格式選項	下載最新的英文版本		日期
*	資料表	TPS6287x 2.7V to 6V Input, 6A, 9A, 12A, 15A, Fast Transient Stackable Synchronous Step-Down Converters With I2 C Interface and Remote Sense datasheet (Rev. E)	PDF \| HTML			2025/10/9
	類比設計期刊	固定頻率 DCS-Control：具有時脈同步的快速瞬態回應	PDF \| HTML	Download English Version	PDF \| HTML	2024/2/13
	功能安全資訊	TPS6287x Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA	PDF \| HTML			2024/1/23
	應用說明	QFN and SON PCB Attachment (Rev. C)	PDF \| HTML			2023/12/6
	應用說明	Benefiting from Step-Down Converters with an I2C Communication Interface (Rev. B)	PDF \| HTML			2023/11/29
	應用說明	AM68x Processor Power Solutions Using LP87334E PMIC for Industrial Applications	PDF \| HTML			2023/3/14
	應用說明	Using the Filters with the DC/DC Step-Down Converter	PDF \| HTML			2023/2/2
	應用說明	Operating TPS6287X-Q1 Devices in a Stacked Configuration	PDF \| HTML			2023/1/30
	應用說明	Adjusting the Output Voltage of a Fixed Output Voltage DC-DC Converter	PDF \| HTML			2022/12/22
	應用說明	Understanding SOA Curves to Operate at High Output Currents and Temperature	PDF \| HTML			2022/5/5
	應用說明	Loop Gain Reconstruction of a Step-Down Converter from Output Impedance	PDF \| HTML			2022/1/20
	應用說明	How to Measure Impedance of a Power Distribution Network of a DC-DC Converter	PDF \| HTML			2022/1/20
	白皮書	Enabling Higher Data Rates for Optical Modules With Small and Efficient Power	PDF \| HTML			2021/3/22
	白皮書	Benefits of a Resistor-to-Digital Converter in Ultra-Low Power Supplies				2019/10/14
	類比設計期刊	Methods of output-voltage adjustment for DC/DC converters				2019/6/14
	類比設計期刊	Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold				2017/10/24
	類比設計期刊	Understanding frequency variation in the DCS-Control(TM) topology				2015/10/30
	應用說明	Basic Calculation of a Buck Converter's Power Stage (Rev. B)	PDF \| HTML			2015/8/17
	類比設計期刊	Five steps to a great PCB layout for a step-down converter				2015/1/29
	類比設計期刊	High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions				2013/7/25
	應用說明	Understanding the Absolute Maximum Ratings of the SW Node (Rev. A)				2012/1/13
	應用說明	Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs				2011/9/19

設計與開發

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開發板

TPS62873EVM-143 — TPS62873-Q1 評估模組 2.7-V 至 6-V 輸入降壓轉換器

TPS62873EVM-143 評估模組 (EVM) 的設計目的在於評估和測試 TPS62873-Q1 降壓轉換器的運作和功能性。亦可用於評估 TPS62870-Q1、TPS62871-Q1 及 TPS62872-Q1 裝置。EVM 可將 2.7-V 至 6.0-V 輸入電壓轉換為調節的 0.75-V 輸出電壓。對於 TPS62873EVM-143，輸出電流最高可達 15 A。

使用指南: PDF | HTML

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TPS62873EVM-144 — TPS62873-Q1 30-A 降壓轉換器評估模組

TPS62873EVM-144 評估模組 (EVM) 是一款針對小型解決方案尺寸和高效率進行最佳化的高頻同步降壓轉換器。EVM 的設計旨在幫助使用者輕鬆評估及測試兩個 TPS62873 降壓轉換器的疊堆配置運作及功能性。其亦可用於評估此配置中的 TPS62870-Q1、TPS62871-Q1 及 TPS62872-Q1 裝置。EVM 可將 2.7-V 至 6.0-V 輸入電壓轉換為調節的 0.75-V 輸出電壓。此 EVM 的輸出電流最高可達 30-A。