TPS57114-Q1 is in the process of being discontinued.
Please consider one of these alternatives:
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Drop-in replacement with upgraded functionality to the compared device.
TPS57114C-Q1 ACTIVE Automotive 2.95-V to 6-V, 4-A, 2-MHz synchronous buck converter The TPS57114C-Q1 offers enhanced reliability for improved automotive robustness.
Similar functionality to the compared device.
TPS62810-Q1 ACTIVE Automotive 2.75-V to 6-V, 4-A step-down converter in a 2mm x 3mm wettable-flanks QFN package TPS62810-Q1 offers a better feature set and a smaller solution size.

Product details

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  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • Two 12-mΩ (typical) MOSFETs for High Efficiency at 4-A Loads
  • 200-kHz to 2-MHz Switching Frequency
  • 0.8 V ± 1% Voltage Reference Over Temperature (–40°C to +150°C)
  • Synchronizes to External Clock
  • Adjustable Slow Start and Sequencing
  • UV and OV Power-Good Output
  • –40°C to +150°C Operating Junction Temperature Range
  • Thermally Enhanced 3-mm × 3-mm 16-Pin WQFN
  • Pin-Compatible to TPS54418
  • Create a custom design using the TPS57114-Q1 with the WEBENCH® Power Designer
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • Two 12-mΩ (typical) MOSFETs for High Efficiency at 4-A Loads
  • 200-kHz to 2-MHz Switching Frequency
  • 0.8 V ± 1% Voltage Reference Over Temperature (–40°C to +150°C)
  • Synchronizes to External Clock
  • Adjustable Slow Start and Sequencing
  • UV and OV Power-Good Output
  • –40°C to +150°C Operating Junction Temperature Range
  • Thermally Enhanced 3-mm × 3-mm 16-Pin WQFN
  • Pin-Compatible to TPS54418
  • Create a custom design using the TPS57114-Q1 with the WEBENCH® Power Designer

The TPS57114-Q1 device is a full-featured 6-V, 4-A, synchronous step-down current-mode converter with two integrated MOSFETs.

The TPS57114-Q1 device enables small designs by integrating the MOSFETs, implementing current-mode control to reduce external component count, reducing inductor size by enabling up to 2-MHz switching frequency, and minimizing the IC footprint with a small 3-mm × 3-mm thermally enhanced QFN package.

The TPS57114-Q1 device provides accurate regulation for a variety of loads with an accurate ±1% voltage reference (Vref) over temperature.

Efficiency is maximized through the integrated 12-mΩ MOSFETs and 515-µA typical supply current. Using the enable pin, shutdown supply current is reduced to 5.5 µA by entering a shutdown mode.

The internal undervoltage lockout setting is 2.45 V, but programming the threshold with a resistor network on the enable pin can increase the setting. The slow-start pin controls the output-voltage start-up ramp. An open-drain power-good signal indicates the output is within 93% to 107% of the nominal voltage.

Frequency foldback and thermal shutdown protect the device during an overcurrent condition.

The TPS57114-Q1 device is a full-featured 6-V, 4-A, synchronous step-down current-mode converter with two integrated MOSFETs.

The TPS57114-Q1 device enables small designs by integrating the MOSFETs, implementing current-mode control to reduce external component count, reducing inductor size by enabling up to 2-MHz switching frequency, and minimizing the IC footprint with a small 3-mm × 3-mm thermally enhanced QFN package.

The TPS57114-Q1 device provides accurate regulation for a variety of loads with an accurate ±1% voltage reference (Vref) over temperature.

Efficiency is maximized through the integrated 12-mΩ MOSFETs and 515-µA typical supply current. Using the enable pin, shutdown supply current is reduced to 5.5 µA by entering a shutdown mode.

The internal undervoltage lockout setting is 2.45 V, but programming the threshold with a resistor network on the enable pin can increase the setting. The slow-start pin controls the output-voltage start-up ramp. An open-drain power-good signal indicates the output is within 93% to 107% of the nominal voltage.

Frequency foldback and thermal shutdown protect the device during an overcurrent condition.

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Technical documentation

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS57114EVM — TPS57114EVM - 2.95V to 6V Input, 4A, 2MHz Synchronous Step Down DCDC Converter Evaluation Module

The TPS57114-Q1 DC/DC converter is designed to provide up to a 4A output from an input voltage source of 2.95 V to 6 V. This evaluation module is designed to demonstrate the small printed-circuit-board (PCB) areas that may be achieved when designing with the TPS57114-Q1 regulator. The switching (...)

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Simulation model

TPS57114-Q1 Unencrypted PSpice Transient Model Package (Rev. B)

SLVM819B.ZIP (53 KB) - PSpice Model
Simulation model

TPS57114-Q1 TINA-TI Transient Spice Model

SLVM861.ZIP (58 KB) - TINA-TI Spice Model
Simulation model

TPS57114-Q1 TINA-TI Transient Reference Design

SLVM862.TSC (825 KB) - TINA-TI Reference Design
Simulation model

TPS5711x IBIS Model

SLVMAF2.ZIP (11 KB) - IBIS Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Reference designs

TIDA-00746 — 17W System-Level Power Reference Design for Automotive Infotainment Processor Power

TIDA-00746 is a 17W system-optimized SMPS design for automotive infotainment processor power. The design has been tested for and passed CISPR25 Class 5 conducted EMI  limits.  All buck converters used in this design is switching above AM band (>1.85MHz).

The design is divided into four major blocks:
  1. (...)
Reference designs

PMP4442 — Automotive I.MX6 Quad Core Processor Power Solution Reference Design

The PMP4442 reference design is an low-cost discrete power solution to power I.MX6 quad core. All the DCDC regulators are running at 2MHz to avoid the AM band interference and provide low solution size. The first stage DCDC converter can support wide Vin range from 6V to 42V, which can support (...)
Reference designs

TIDA-00804 — Automotive i.MX6 Quad Core Processor Power Reference Design

The TIDA-00804 reference design is a low-cost discrete power solution for the i.MX6Q quad core application processor. All the DCDC regulators operate at frequencies above the AM radio broadcast band to avoid interference with the radio and to provide a small solution size due to smaller filter (...)
Reference designs

TIDA-00803 — Automotive Power Design for Front Camera Systems Using Single-Core Voltage Application Processors

This reference design provides a broadly-applicable automotive power design for a variety of ADAS processors, focusing on front and rear camera applications. The design supports an input range of 4 V to 48 V to supply common processor power rails through discrete components.  This adds to the (...)
Reference designs

PMP10652 — System-Level Reference Design for 30W ADAS System With Required Automotive Protections

PMP10652 is a System optimized (CISPR 25 Class 3) 30W design for Surround View ADAS system.

The design has various protections such as Load dump through TVS (ISO pulse testing), Reverse Voltage (Innovative Smart diode with very low Iq), Battery Disconnect Switch with OVP protection (PFET) and is EMI (...)

Reference designs

PMP10230 — High Switching Frequency Synchronous Buck Regulator; 1.3V@3.0A Reference Design

The PMP10230 reference design is a synchronous buck converter for automotive applications. It uses the TPS57114-Q1 to deliver an output voltage of 1.3V@3.0A. The switching frequency is 1.8MHz.
Reference designs

PMP10232 — High Switching Frequency Synchronous Buck Regulator; 1.0V@3.0A Reference Design

The PMP10232 reference design is a synchronous buck converter for automotive applications. It uses the TPS57114-Q1 to deliver an output voltage of 1.0V@3.0A. The switching frequency is 1.8MHz.
Reference designs

PMP10231 — High Switching Frequency Synchronous Buck Regulator; 1.2V@2.0A Reference Design

The PMP10231 reference design is a synchronous buck converter for automotive applications. It uses the TPS57114-Q1 to deliver an output voltage of 1.2V@2.0A. The switching frequency is 1.8MHz.
Reference designs

PMP10229 — High Switching Frequency Synchronous Buck Regulator; 3.3V@2.5A Reference Design

The PMP10229 reference design is a synchronous buck converter for automotive applications. It uses the TPS57114-Q1 to deliver an output voltage of 3.3V@2.5A. The switching frequency is 1.8MHz.
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