TPS62877-Q1

Name: TPS62877-Q1
Brand: TI
SKU: TPS62877-Q1
Price: 3.02 USD

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Automotive 2.7-V to 6-V input, 30-A stackable synchronous buck converter

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Data sheet

document-pdfAcrobat TPS6287x-Q1 2.7V to 6V Input, 15A, 20A, 25A, and 30A Automotive, Fast Transient, Synchronous Step-Down Converter With I2 C Interface datasheet (Rev. C) PDF | HTML

TPS62877-Q1

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Data sheet

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Product details

Rating

Automotive

Operating temperature range (°C)

-40 to 125

Topology

Buck

Type

Converter

Iout (max) (A)

30

Vin (min) (V)

2.7

Vin (max) (V)

6

Switching frequency (min) (kHz)

1500

Switching frequency (max) (kHz)

3000

Features

Adaptive/dynamic voltage scaling, Differential Remote Sense, Enable, Fixed Output, Forced PWM, Frequency synchronization, I2C, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Soft Start, Spread Spectrum Clocking (SSC), Synchronous Rectification, UVLO, Wettable flanks package

Control mode

DCS-Control

Vout (min) (V)

0.4

Vout (max) (V)

1.675

Rating

Automotive

Operating temperature range (°C)

-40 to 125

Topology

Buck

Type

Converter

Iout (max) (A)

30

Vin (min) (V)

2.7

Vin (max) (V)

6

Switching frequency (min) (kHz)

1500

Switching frequency (max) (kHz)

3000

Features

Adaptive/dynamic voltage scaling, Differential Remote Sense, Enable, Fixed Output, Forced PWM, Frequency synchronization, I2C, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Soft Start, Spread Spectrum Clocking (SSC), Synchronous Rectification, UVLO, Wettable flanks package

Control mode

DCS-Control

Vout (min) (V)

0.4

Vout (max) (V)

1.675

WQFN-FCRLF (RZV)

24

12.3525 mm² 3.05 x 4.05

AEC-Q100 qualified for automotive applications
- Device temperature grade 1: –40°C to 125°C TA
- –40°C to 150°C junction temperature range
Functional Safety-Capable
- Documentation available to aid functional safety system design
Input voltage range: 2.7V to 6V
Family of pin-to-pin compatible devices: 15A, 20A, 25A, and 30A
Three selectable output voltage ranges from 0.4V to 1.675V
- 0.4V to 0.71875V with 1.25mV steps
- 0.4V to 1.0375V with 2.5mV steps
- 0.4V to 1.675V with 5mV steps
Output voltage accuracy: ±0.8%
Internal power MOSFETs: 2.6mΩ and 1.5mΩ
Adjustable soft start
External compensation
Selectable start-up output voltage through the VSEL pin
Selectable switching frequency of 1.5MHz, 2.25MHz, 2.5MHz, or 3MHz through FSEL pin
Forced PWM or power save mode operation
Start-up output voltage selection by external resistor or I2C
I2C-compatible interface with up to 3.4MHz
Optional stacked operation for increased output current capability
Differential remote sense
Thermal pre-warning and thermal shutdown
Output discharge
Optional spread spectrum clocking
Power-good output with window comparator

AEC-Q100 qualified for automotive applications
- Device temperature grade 1: –40°C to 125°C TA
- –40°C to 150°C junction temperature range
Functional Safety-Capable
- Documentation available to aid functional safety system design
Input voltage range: 2.7V to 6V
Family of pin-to-pin compatible devices: 15A, 20A, 25A, and 30A
Three selectable output voltage ranges from 0.4V to 1.675V
- 0.4V to 0.71875V with 1.25mV steps
- 0.4V to 1.0375V with 2.5mV steps
- 0.4V to 1.675V with 5mV steps
Output voltage accuracy: ±0.8%
Internal power MOSFETs: 2.6mΩ and 1.5mΩ
Adjustable soft start
External compensation
Selectable start-up output voltage through the VSEL pin
Selectable switching frequency of 1.5MHz, 2.25MHz, 2.5MHz, or 3MHz through FSEL pin
Forced PWM or power save mode operation
Start-up output voltage selection by external resistor or I2C
I2C-compatible interface with up to 3.4MHz
Optional stacked operation for increased output current capability
Differential remote sense
Thermal pre-warning and thermal shutdown
Output discharge
Optional spread spectrum clocking
Power-good output with window comparator

The TPS62874-Q1, TPS62875-Q1, TPS62876-Q1 and TPS62877-Q1 are a family of pin-to-pin, 15A, 20A, 25A, and 30A synchronous step-down DC/DC converters with I2C interface and differential remote sense. All devices offer high efficiency and ease of use. Low-resistance power switches allow up to 30A output current at high ambient temperature. The devices can operate in stacked mode to deliver higher output currents or to spread the power dissipation across multiple devices.

The TPS6287x-Q1 family implements an enhanced DCS-control scheme that combines fast transient response with fixed-frequency operation. Devices can operate in power save mode for maximum efficiency, or forced-PWM mode for best transient performance and lowest output voltage ripple.

An optional remote sensing feature maximizes voltage regulation at the point-of-load, and the device achieves ±0.8% DC voltage accuracy for the full output voltage range.

The switching frequency is selectable through the FSEL pin, and can be set to 1.5MHz, 2.25MHz, 2.5MHz or 3MHz, 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 load´s power consumption to the performance needs. The default start-up voltage is resistor selectable through the VSEL pin.

The TPS62874-Q1, TPS62875-Q1, TPS62876-Q1 and TPS62877-Q1 are a family of pin-to-pin, 15A, 20A, 25A, and 30A synchronous step-down DC/DC converters with I2C interface and differential remote sense. All devices offer high efficiency and ease of use. Low-resistance power switches allow up to 30A output current at high ambient temperature. The devices can operate in stacked mode to deliver higher output currents or to spread the power dissipation across multiple devices.

The TPS6287x-Q1 family implements an enhanced DCS-control scheme that combines fast transient response with fixed-frequency operation. Devices can operate in power save mode for maximum efficiency, or forced-PWM mode for best transient performance and lowest output voltage ripple.

An optional remote sensing feature maximizes voltage regulation at the point-of-load, and the device achieves ±0.8% DC voltage accuracy for the full output voltage range.

The switching frequency is selectable through the FSEL pin, and can be set to 1.5MHz, 2.25MHz, 2.5MHz or 3MHz, 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 load´s power consumption to the performance needs. The default start-up voltage is resistor selectable through the VSEL pin.

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Technical documentation

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	Type	Title		Date
*	Data sheet	TPS6287x-Q1 2.7V to 6V Input, 15A, 20A, 25A, and 30A Automotive, Fast Transient, Synchronous Step-Down Converter With I2 C Interface datasheet (Rev. C)	PDF \| HTML	04 Oct 2024
	Product overview	Mobileye EyeQ™6H – Discrete Power Tree	PDF \| HTML	07 Nov 2024
	Application brief	Increasing Further Data Rates Using High-Current Power Converters in Optical Modules	PDF \| HTML	26 Sep 2024
	Test report	Power Delivery Reference Design for AMD Versal™ AI Edge Series	PDF \| HTML	25 Mar 2024
	Analog Design Journal	Fixed-frequency DCS-Control: Fast transient response with clock synchronization	PDF \| HTML	12 Feb 2024
	Technical article	How to deliver current beyond 100 A to an ADAS processor	PDF \| HTML	04 Jan 2024
	Application note	QFN and SON PCB Attachment (Rev. C)	PDF \| HTML	06 Dec 2023
	Application note	Benefiting from Step-Down Converters with an I2C Communication Interface (Rev. B)	PDF \| HTML	29 Nov 2023
	EVM User's guide	TPS62876 Stackable Buck Converter Evaluation Module User's Guide	PDF \| HTML	07 Jun 2023
	EVM User's guide	TPS62876 Buck Converter Evaluation Module User's Guide	PDF \| HTML	16 Mar 2023
	Functional safety information	TPS62874-Q1, TPS62875-Q1, TPS62876-Q1 and TPS62877- Q1 Functional Safety FIT Rat		14 Mar 2023
	Application note	Using the Filters with the DC/DC Step-Down Converter	PDF \| HTML	02 Feb 2023
	Application note	Operating TPS6287X-Q1 Devices in a Stacked Configuration	PDF \| HTML	30 Jan 2023
	Application note	Adjusting the Output Voltage of a Fixed Output Voltage DC-DC Converter	PDF \| HTML	22 Dec 2022
	Application note	Understanding SOA Curves to Operate at High Output Currents and Temperature	PDF \| HTML	05 May 2022
	Application note	How to Measure Impedance of a Power Distribution Network of a DC-DC Converter	PDF \| HTML	20 Jan 2022
	Application note	Loop Gain Reconstruction of a Step-Down Converter from Output Impedance	PDF \| HTML	20 Jan 2022
	White paper	Enabling Higher Data Rates for Optical Modules With Small and Efficient Power		22 Mar 2021
	White paper	Benefits of a Resistor-to-Digital Converter in Ultra-Low Power Supplies		14 Oct 2019
	Analog Design Journal	Methods of output-voltage adjustment for DC/DC converters		14 Jun 2019
	Analog Design Journal	Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold		24 Oct 2017
	Analog Design Journal	Understanding frequency variation in the DCS-Control(TM) topology		30 Oct 2015
	Application note	Basic Calculation of a Buck Converter's Power Stage (Rev. B)		17 Aug 2015
	Analog Design Journal	Five steps to a great PCB layout for a step-down converter		29 Jan 2015
	Analog Design Journal	High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions		25 Jul 2013
	Application note	Understanding the Absolute Maximum Ratings of the SW Node (Rev. A)		13 Jan 2012
	Application note	Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs		19 Sep 2011

Design & development

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Evaluation board

TPS62876EVM-198 — TPS62876-Q1 evaluation module 2.7-V to 6-V input, step-down converter

The TPS62876EVM-198 evaulation module (EVM) is designed to help the user easily evaluate and test the operation and functionality of the TPS62876-Q1 buck converter. It also can be used to evaluate TPS62874-Q1, TPS62875-Q1 and TPS62877-Q1 devices. The EVM converts a 2.7 V to 6.0 V input voltage to a (...)

User guide: PDF | HTML

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Evaluation board

TPS62876EVM-199 — TPS62876-Q1 evaluation module 75-A output, stackable step-down converter

The TPS62876EVM-199 evaluation module (EVM) is designed to help the user easily evaluate and test the operation and functionality of a stacked configuration of three TPS62876-Q1 buck converters. It can also be used to evaluate TPS62874-Q1, TPS62875-Q1 and TPS62877-Q1 devices. The EVM converts a 2.7 (...)

User guide: PDF | HTML