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TPS61175-Q1
  • TPS61175-Q1
  • TPS61175-Q1
  • TPS61175-Q1

TPS61175-Q1

ACTIVE

3-A, 40-V high voltage boost converter with soft-start and programmable switching frequency

Texas Instruments TPS61175-Q1 Product Info

1 April 2026 2

Parameters

Rating

Automotive

Topology

Boost, Flyback, SEPIC

Vin (max) (V)

18

Vin (min) (V)

2.9

Vout (max) (V)

38

Vout (min) (V)

2.9

Switch current limit (typ) (A)

3.8

Features

Enable, Frequency synchronization, Light-load efficiency, Nonsynchronous

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.003

Duty cycle (max) (%)

93

TI functional safety category

Functional Safety-Capable

Package

HTSSOP (PWP)-14-32 mm² 5 x 6.4

Features

  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: -40°C to 125°C junction operating temperature range
  • Functional Safety-Capable
  • 2.9-V to 18-V Input voltage range
  • 3-A, 40-V Internal switch
  • High efficiency power conversion: up to 93%
  • Frequency set by external resistor: 200 kHz to 2.2 MHz
  • Synchronous external switching frequency
  • User defined soft start into full load
  • Skip-switching cycle for output regulation at light load
  • 14-pin HTSSOP package with PowerPAD™
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: -40°C to 125°C junction operating temperature range
  • Functional Safety-Capable
  • 2.9-V to 18-V Input voltage range
  • 3-A, 40-V Internal switch
  • High efficiency power conversion: up to 93%
  • Frequency set by external resistor: 200 kHz to 2.2 MHz
  • Synchronous external switching frequency
  • User defined soft start into full load
  • Skip-switching cycle for output regulation at light load
  • 14-pin HTSSOP package with PowerPAD™

Description

The TPS61175-Q1 is a monolithic switching regulator with integrated 3-A, 40-V power switch. It can be configured in several standard switching-regulator topologies, including boost, SEPIC and flyback. The device has a wide input voltage range to support application with input voltage from multi-cell batteries or regulated 5-V, 12-V power rails.

The TPS61175-Q1 regulates the output voltage with current mode PWM (pulse width modulation) control. The switching frequency of PWM is either set by an external resistor or an external clock signal. The user can program the switching frequency from 200-kHz to 2.2-MHz.

The device features a programmable soft-start function to limit inrush current during start-up, and has built-in other protection features, such as pulse-by-pulse over current limit and thermal shutdown. The TPS61175-Q1 is available in 14-pin HTSSOP package with PowerPAD.

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