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TPS62893-Q1

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Automotive, 2.8V to 6V input 50A fast transient stackable synchronous buck converter with telemetry

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Data sheet

TPS62893-Q1

ACTIVE
Data sheet Order now

Product details

Rating Automotive Topology Buck Iout (max) (A) 50 Vin (max) (V) 6 Vin (min) (V) 2.8 Vout (max) (V) 1 Vout (min) (V) 0.4 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, Telemetry, Thermal shutdown, UVLO, Wettable flanks package Control mode DCS-Control Switching frequency (min) (kHz) 833 Switching frequency (max) (kHz) 3000 TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Type Converter
Rating Automotive Topology Buck Iout (max) (A) 50 Vin (max) (V) 6 Vin (min) (V) 2.8 Vout (max) (V) 1 Vout (min) (V) 0.4 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, Telemetry, Thermal shutdown, UVLO, Wettable flanks package Control mode DCS-Control Switching frequency (min) (kHz) 833 Switching frequency (max) (kHz) 3000 TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Type Converter
WQFN-FCRLF (VAA) 20 30 mm² 5 x 6
  • 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
  • Input voltage range: 2.8V to 6V
  • ±0.5% output voltage accuracy
  • Output voltage range from 0.4V to 1.0V
  • 1.8mΩ and 0.7mΩ internal power MOSFETs
  • External compensation
  • Optional stacked operation for increased output current capability
  • Adjustable switching frequency from 833kHz to 3MHz (product preview)
  • External synchronization
  • Forced PWM or power save mode operation
  • Optimized load transient operation
  • Fixed frequency DCS-Control
  • Transient non-synchronous mode
  • Adjustable droop compensation
  • Optimized for small and low-profile inductors
  • I2C-compatible interface with up to 3.4MHz
  • Differential remote sense
  • Thermal pre-warning and thermal shutdown
  • Input and output overvoltage protection
  • Output discharge
  • Optional spread spectrum clocking
  • Telemetry for VIN, Temp, VOUT, and IOUT
  • Interrupt output
  • Power-good output with window comparator with adjustable thresholds
  • Available in 5.0mm × 6.0mm, VQFN package
  • 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
  • Input voltage range: 2.8V to 6V
  • ±0.5% output voltage accuracy
  • Output voltage range from 0.4V to 1.0V
  • 1.8mΩ and 0.7mΩ internal power MOSFETs
  • External compensation
  • Optional stacked operation for increased output current capability
  • Adjustable switching frequency from 833kHz to 3MHz (product preview)
  • External synchronization
  • Forced PWM or power save mode operation
  • Optimized load transient operation
  • Fixed frequency DCS-Control
  • Transient non-synchronous mode
  • Adjustable droop compensation
  • Optimized for small and low-profile inductors
  • I2C-compatible interface with up to 3.4MHz
  • Differential remote sense
  • Thermal pre-warning and thermal shutdown
  • Input and output overvoltage protection
  • Output discharge
  • Optional spread spectrum clocking
  • Telemetry for VIN, Temp, VOUT, and IOUT
  • Interrupt output
  • Power-good output with window comparator with adjustable thresholds
  • Available in 5.0mm × 6.0mm, VQFN package

The TPS6289x-Q1 devices are a family of pin-to-pin 30A, 40A, and 50A synchronous step-down DC/DC converters with I2C interface and differential remote sense. Low-resistance power switches allow up to 50A 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. In stacked operation, the converters frequencies are synchronized, share a common compensation signal and shift the phases to supply loads with several hundreds of amperes. The TPS6289x-Q1 family implements a fixed-frequency-DCS-Control scheme with adjustable switching frequency and adjustable loop compensation. The high switching frequency and loop bandwidth is optimized for low-profile- and small-size inductors and low output capacitance. Devices can operate in power-save mode (PSM) for maximum efficiency, or forced-PWM mode for best transient performance and lowest output voltage ripple. The I2C compatible interface offers several control, monitoring and warning features including telemetry data of input voltage, output voltage, output current, and temperature. Four SET pins can be used to program default settings before start-up.

The TPS6289x-Q1 devices are a family of pin-to-pin 30A, 40A, and 50A synchronous step-down DC/DC converters with I2C interface and differential remote sense. Low-resistance power switches allow up to 50A 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. In stacked operation, the converters frequencies are synchronized, share a common compensation signal and shift the phases to supply loads with several hundreds of amperes. The TPS6289x-Q1 family implements a fixed-frequency-DCS-Control scheme with adjustable switching frequency and adjustable loop compensation. The high switching frequency and loop bandwidth is optimized for low-profile- and small-size inductors and low output capacitance. Devices can operate in power-save mode (PSM) for maximum efficiency, or forced-PWM mode for best transient performance and lowest output voltage ripple. The I2C compatible interface offers several control, monitoring and warning features including telemetry data of input voltage, output voltage, output current, and temperature. Four SET pins can be used to program default settings before start-up.
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* Data sheet TPS6289x-Q1 2.8V to 6V Input, 30A, 40A, and 50A, Automotive, Stackable Step-Down Converter With I²C Interface and Telemetry datasheet PDF | HTML 18 Jul 2025
Functional safety information TPS6289xx-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 03 Jul 2025

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Evaluation board

TPS62893EVM-012 — TPS62893 buck converter evaluation module

The TPS62893EVM-012 is designed to help the user evaluate and test the operation and functionality of TPS62893 buck converters. The evaluation module (EVM) also can be used to evaluate TPS62891-Q1 and TPS62892-Q1 devices in this configuration. The EVM converts a 2.7V to 6.0V input voltage to a (...)
User guide: PDF | HTML
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TPS6289X-Q1-DESIGN — TPS62893-Q1 design resources

TPS62893-Q1 full datasheet and design resources
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AC/DC & DC/DC converters (integrated FET)
  • TPS62893-Q1 — Automotive, 2.8V to 6V input 50A fast transient stackable synchronous buck converter with telemetry
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Reference designs

TIPA-020007 — Power supply proof-of-concept design for AMD® Versal™ AI Edge Series Gen 2

This proof-of-concept power design demonstrates how the required power rails for the 2VE3858 device can be powered by TI regulator integrated circuits (ICs). This design methodology aligns with the AMD® standard for minimizing consolidated power supply rails. See the AMD Power Design Manager (PDM) (...)
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WQFN-FCRLF (VAA) 20 Ultra Librarian
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