TPS62407-Q1

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Automotive 2.25-MHz Fixed VOUT Dual 400mA/600mA Step-Down Converter for ADAS Camera applications

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Product details

Parameters

Vin (Min) (V) 2.5 Vin (Max) (V) 6 Vout (Min) (V) 1.225 Vout (Max) (V) 1.225 Iout (Max) (A) 0.4 Iq (Typ) (uA) 32 Switching frequency (Min) (kHz) 2000 Switching frequency (Max) (kHz) 2500 Features Adaptive/Dynamic Voltage Scaling, Enable, Forced PWM, Light Load Efficiency, Over Current Protection, Synchronous Rectification, UVLO Fixed Operating temperature range (C) -40 to 125 Rating Automotive Regulated outputs (#) 2 open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

VSON (DRC) 10 9 mm² 3 x 3 open-in-new Find other Buck converters (integrated switch)

Features

  • 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 1000mA/400mA
  • Output Current TPS62407-Q1 400mA/600mA
  • Output Current TPS62422-Q1 1000mA/600mA
  • Output Current TPS62423-Q1 800mA/800mA
  • Output Current TPS62424-Q1 800mA/800mA
  • 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

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Description

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
* Datasheet TPS624xx-Q1 Automotive 2.25-MHz Fixed VOUT Dual Step-Down Converter datasheet (Rev. D) Aug. 13, 2018
Application note Methods of output-voltage adjustment for DC/DC converters Jun. 14, 2019
Technical articles Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019
Application note QFN and SON PCB Attachment (Rev. B) Aug. 24, 2018
Application note Understanding 100% mode in low-power DC/DC converters Jun. 22, 2018
Application note Achieving a clean startup by using a DC/DC converter with a precise enable-pin t Oct. 24, 2017
Application note Testing tips for applying external power to supply outputs without an input volt Oct. 24, 2016
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) Aug. 17, 2015
Application note Five steps to a great PCB layout for a step-down converter Jan. 29, 2015
Application note Design considerations for a resistive feedback divider in a DC/DC converter Apr. 26, 2012
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) Jan. 13, 2012
Application note IQ: What it is, what it isn’t, and how to use it Jun. 17, 2011

Design & development

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

Hardware development

EVALUATION BOARD Download
49
Description
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.
Features
  • Dual Buck Converter
  • Input Voltage Range: 2.5V to 6V
  • Output Current Limit: 2 x 800mA
  • Fixed Switching Frequency: 2.25MHz
  • Power Save Mode at Light Load Currents

Design tools & simulation

SIMULATION MODEL Download
SLVMCL7A.ZIP (40 KB) - PSpice Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — 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 (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)

CAD/CAE symbols

Package Pins Download
VSON (DRC) 10 View options

Ordering & quality

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