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Boost converters (integrated switch)

TPS55340-Q1

ACTIVE

Integrated, 5-A 40-V wide input range boost/SEPIC/flyback DC/DC regulator, AEC-Q100 qualified

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Data sheet

TPS55340-Q1

ACTIVE
Data sheet Order now

Product details

Topology Boost, Flyback, Forward, SEPIC Vin (min) (V) 2.9 Vin (max) (V) 38 Vout (min) (V) 3 Vout (max) (V) 38 Switch current limit (typ) (A) 6.6 Type Converter Regulated outputs (#) 1 Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 2500 Iq (typ) (mA) 0.5 Features Enable, Frequency synchronization, Light Load Efficiency Duty cycle (max) (%) 90 Operating temperature range (°C) -40 to 125 Rating Automotive
Topology Boost, Flyback, Forward, SEPIC Vin (min) (V) 2.9 Vin (max) (V) 38 Vout (min) (V) 3 Vout (max) (V) 38 Switch current limit (typ) (A) 6.6 Type Converter Regulated outputs (#) 1 Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 2500 Iq (typ) (mA) 0.5 Features Enable, Frequency synchronization, Light Load Efficiency Duty cycle (max) (%) 90 Operating temperature range (°C) -40 to 125 Rating Automotive
WQFN (RTE) 16 9 mm² 3 x 3
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C6
  • Internal 5-A, 40-V low-side MOSFET switch
  • 2.9 to 38-V input voltage range
  • ±0.7% reference voltage
  • 0.5-mA operating quiescent current
  • 2.7-µA shutdown supply current
  • Fixed-frequency current mode PWM control
  • Frequency adjustable from 100 kHz to 2.5 MHz (see Section 7.3.2)
  • Synchronization capability to external clock
  • Adjustable soft-start time
  • Pulse-skipping for higher efficiency at light loads
  • Cycle-by-cycle current-limit, thermal shutdown, and UVLO protection
  • WQFN-16 (3 mm × 3 mm) package with PowerPad™
  • Wide –40°C to +150°C operating TJ range
  • Create a custom design using the TPS55340-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
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C6
  • Internal 5-A, 40-V low-side MOSFET switch
  • 2.9 to 38-V input voltage range
  • ±0.7% reference voltage
  • 0.5-mA operating quiescent current
  • 2.7-µA shutdown supply current
  • Fixed-frequency current mode PWM control
  • Frequency adjustable from 100 kHz to 2.5 MHz (see Section 7.3.2)
  • Synchronization capability to external clock
  • Adjustable soft-start time
  • Pulse-skipping for higher efficiency at light loads
  • Cycle-by-cycle current-limit, thermal shutdown, and UVLO protection
  • WQFN-16 (3 mm × 3 mm) package with PowerPad™
  • Wide –40°C to +150°C operating TJ range
  • Create a custom design using the TPS55340-Q1 with the WEBENCH Power Designer

The TPS55340-Q1 device is a monolithic non-synchronous switching converter with an integrated 5-A, 40-V power switch. The device can be configured in several standard switching regulator topologies, including boost, SEPIC, and isolated flyback. The device has a wide input voltage range to support applications with input voltage from 2.9 V to 38 V.

The TPS55340-Q1 device regulates the output voltage with current mode PWM (pulse width modulation) control, and has an internal oscillator. The switching frequency of PWM is set by either an external resistor or by synchronizing to an external clock signal. The user can program the switching frequency from 100 kHz to 2.5 MHz.

The device features a programmable soft-start function to limit inrush current during start-up and has other built-in protection features including cycle-by-cycle overcurrent limit and thermal shutdown.

The TPS55340-Q1 device is available in a small 3-mm × 3-mm 16-pin WQFN package with PowerPad for enhanced thermal performance.

The TPS55340-Q1 device is a monolithic non-synchronous switching converter with an integrated 5-A, 40-V power switch. The device can be configured in several standard switching regulator topologies, including boost, SEPIC, and isolated flyback. The device has a wide input voltage range to support applications with input voltage from 2.9 V to 38 V.

The TPS55340-Q1 device regulates the output voltage with current mode PWM (pulse width modulation) control, and has an internal oscillator. The switching frequency of PWM is set by either an external resistor or by synchronizing to an external clock signal. The user can program the switching frequency from 100 kHz to 2.5 MHz.

The device features a programmable soft-start function to limit inrush current during start-up and has other built-in protection features including cycle-by-cycle overcurrent limit and thermal shutdown.

The TPS55340-Q1 device is available in a small 3-mm × 3-mm 16-pin WQFN package with PowerPad for enhanced thermal performance.
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Technical documentation

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* Data sheet TPS55340-Q1 Integrated 5-A, Wide Input Range Boost, SEPIC, or Flyback DC/DC Converter datasheet (Rev. C) PDF | HTML 16 Sep 2021

Design & development

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

Evaluation board

TPS55340EVM-017 — Boost Evaluation Module for TPS55340 5A, 40V Current Mode Integrated-FET DC Converter

The Texas Instruments TPS55340EVM-017 evaluation module is a fully assembled and tested circuit for evaluating the TPS55340 5A, 40V Current Mode Integrated-FET Boost DC Converter.
User guide: PDF
Not available on TI.com
Evaluation board

TPS55340EVM-147 — SEPIC Evaluation Module for TPS55340 5A, 40V Current Mode Integrated-FET DC Converter

The Texas Instruments TPS55340EVM-147 evaluation module (EVM) helps designers evaluate the performance of the TPS55340 DC/DC boost converter in a SEPIC topology.
User guide: PDF
Not available on TI.com
Evaluation board

TPS55340EVM-148 — Isolated Flyback Topology Module for TPS55340 5A, 40V Current Mode Integrated-FET DC Converter

The Texas Instruments TPS55340EVM-148 helps designers evaluate the performance of the TPS55340 DC/DC Boost Converter in an isolated flyback topology.
User guide: PDF
Not available on TI.com
Simulation model

TPS55340 TINA-TI Transient Reference Design

SLVMA31.TSC (188 KB) - TINA-TI Reference Design
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Simulation model

TPS55340 TINA-TI Transient Spice Model

SLVMA30.ZIP (40 KB) - TINA-TI Spice Model
Download
Simulation model

TPS55340 Unencrypted PSpice Transient Model Package (Rev. B)

SLVM589B.ZIP (48 KB) - PSpice Model
Download
Calculation tool

FLYBUCK-FLYBACK-DESIGN-CALC — Fly-Buck and Flyback Topology Selector

This tool helps a power supply engineer to select the right isolated DC-DC topology based on the specifications. Depending on the topology chosen, the calculator also recommends the right IC for the design.
Download
Calculation tool

TPS55340 Boost Design Excel Spreadsheet Tool (Rev. C)

SLVC430C.ZIP (509 KB)
Download
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 (...)
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Design guide: PDF
Schematic: PDF
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TIDA-00455 — Automotive ADAS Reference Design for Four Camera Hub with Integrated ISP and DVP Outputs

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Schematic: PDF
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Package Pins Download
WQFN (RTE) 16 View options

Ordering & quality

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  • Ongoing reliability monitoring

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