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TPS62424-Q1

ACTIVE

Automotive 2.25-MHz Fixed VOUT Dual 800mA Step-Down Converter for ADAS Camera applications

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Data sheet

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TPS62442-Q1 ACTIVE Automotive 2.75-V to 6-V, dual 2-A or 3-A and 1-A output, adjustable frequency, step-down converter Smaller solution size, with separate EN/PG pins, wettable flank QFN.

TPS62424-Q1

ACTIVE
Data sheet Order now

Product details

Rating Automotive Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 0.8 Vin (min) (V) 2.5 Vin (max) (V) 6 Switching frequency (min) (kHz) 2000 Switching frequency (max) (kHz) 2500 Features Adaptive/Dynamic Voltage Scaling, Enable, Fixed Output, Forced PWM, Light Load Efficiency, Light load efficiency, Over Current Protection, Synchronous Rectification, UVLO fixed Control mode Voltage mode Vout (min) (V) 1.1 Vout (max) (V) 1.3 Iq (typ) (µA) 32 Duty cycle (max) (%) 100
Rating Automotive Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 0.8 Vin (min) (V) 2.5 Vin (max) (V) 6 Switching frequency (min) (kHz) 2000 Switching frequency (max) (kHz) 2500 Features Adaptive/Dynamic Voltage Scaling, Enable, Fixed Output, Forced PWM, Light Load Efficiency, Light load efficiency, Over Current Protection, Synchronous Rectification, UVLO fixed Control mode Voltage mode Vout (min) (V) 1.1 Vout (max) (V) 1.3 Iq (typ) (µA) 32 Duty cycle (max) (%) 100
VSON (DRC) 10 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 operating junction temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • High efficiency—up to 95%
  • VIN range from 2.5 V to 6 V
  • 2.25-MHz fixed-frequency operation
  • Output current TPS62406-Q1 1000 mA/400 mA
  • Output current TPS62407-Q1 400 mA/600 mA
  • Output current TPS62422-Q1 1000 mA/600 mA
  • Output current TPS62423-Q1 800 mA/800 mA
  • Output current TPS62424-Q1 800 mA/800 mA
  • Fixed output voltages
  • EasyScale™ optional one-pin serial interface
  • Power save mode at light load currents
  • 180° out-of-phase operation
  • Output-voltage accuracy in PWM mode ±1%
  • Typical 32-µA quiescent current for both converters
  • 100% duty cycle for lowest dropout
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C operating junction temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • High efficiency—up to 95%
  • VIN range from 2.5 V to 6 V
  • 2.25-MHz fixed-frequency operation
  • Output current TPS62406-Q1 1000 mA/400 mA
  • Output current TPS62407-Q1 400 mA/600 mA
  • Output current TPS62422-Q1 1000 mA/600 mA
  • Output current TPS62423-Q1 800 mA/800 mA
  • Output current TPS62424-Q1 800 mA/800 mA
  • Fixed output voltages
  • EasyScale™ optional one-pin serial interface
  • Power save mode at light load currents
  • 180° out-of-phase operation
  • Output-voltage accuracy in PWM mode ±1%
  • Typical 32-µA quiescent current for both converters
  • 100% duty cycle for lowest dropout

The TPS624xx-Q1 family of devices are synchronous dual step-down DC-DC converters for Automotive applications such as Advanced Driver Assistance Systems (ADAS). They provide two independent output voltage rails powered by a standard 3.3-V or 5-V voltage rail, with fixed output voltages optimized for powering the CMOS imager or serializer-deserializer in ADAS camera modules.

The EasyScale™ serial interface allows output-voltages modification during operation. The fixed-output-voltage versions TPS624xx-Q1 support one-pin-controlled simple dynamic voltage scaling for low-power processors.

The TPS624xx-Q1 family of devices operates at 2.25-MHz fixed switching frequency and enters the power-save mode operation at light load currents to maintain high efficiency over the entire load-current range. For low-noise applications, one can force the devices into fixed-frequency PWM mode by pulling the MODE/DATA pin high. The shutdown mode reduces the current consumption to 1.2-µA, typical. The devices allow the use of small inductors and capacitors to achieve a small solution size.

The TPS624xx-Q1 family of devices are synchronous dual step-down DC-DC converters for Automotive applications such as Advanced Driver Assistance Systems (ADAS). They provide two independent output voltage rails powered by a standard 3.3-V or 5-V voltage rail, with fixed output voltages optimized for powering the CMOS imager or serializer-deserializer in ADAS camera modules.

The EasyScale™ serial interface allows output-voltages modification during operation. The fixed-output-voltage versions TPS624xx-Q1 support one-pin-controlled simple dynamic voltage scaling for low-power processors.

The TPS624xx-Q1 family of devices operates at 2.25-MHz fixed switching frequency and enters the power-save mode operation at light load currents to maintain high efficiency over the entire load-current range. For low-noise applications, one can force the devices into fixed-frequency PWM mode by pulling the MODE/DATA pin high. The shutdown mode reduces the current consumption to 1.2-µA, typical. The devices allow the use of small inductors and capacitors to achieve a small solution size.
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Technical documentation

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Type Title Date
* Data sheet TPS624xx-Q1 Automotive 2.25-MHz Fixed VOUT Dual Step-Down Converter datasheet (Rev. E) PDF | HTML 15 Mar 2022
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dec 2023
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 14 Jun 2019
Technical article How to power next-generation ADAS camera modules PDF | HTML 11 Sep 2018
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 22 Jun 2018
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 Testing tips for applying external power to supply outputs without an input voltage 24 Oct 2016
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 Design considerations for a resistive feedback divider in a DC/DC converter 26 Apr 2012
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 13 Jan 2012
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011

Design & development

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

Evaluation board

TPS62410Q1-EVM — TPS62410-Q1 3.6V Dual Step-Down Converter Evaluation Module

The Texas Instruments TPS62410Q1-EVM evaluation module (EVM) helps designers evaluate the operation and performance of the TPS62410-Q1, a dual DC to DC step-down converter.
User guide: PDF
Not available on TI.com
Simulation model

TPS62424-Q1 Unencrypted PSpice Transient Model Package (Rev. A)

SLVMCM1A.ZIP (37 KB) - PSpice Model
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Reference designs

TIDA-080007 — DLP® auto headlight reference design

This reference design details the design of a control board for the DLP5531-Q1 DMD. The DLP5531-Q1 DMD is a spatial light modulator with over 1.3 million pixels that can steer light to create digitally controlled illumination distributions. The design shows a simplified power architecture with a (...)
Design guide: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
VSON (DRC) 10 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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