Startseite Energiemanagement AC/DC & DC/DC converters (integrated FET)
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AC/DC & DC/DC converters (integrated FET)

TPS62422-Q1

AKTIV

Abwärtswandler für ADAS-Kamera-Anwendungen in der Automobilindustrie, 2,25 MHz, feste VOUT, Dual 1 0

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Gleiche Funktionalität, andere Pinbelegung als verglichener Baustein
TPS62442-Q1 AKTIV 2,75-V-zu-6-V-Zweifach-Abwärtswandler mit 2-A- oder 3-A- und 1-A-Ausgang mit einstellbarer Frequenz Family devices, same pin out with different output current

TPS62422-Q1

AKTIV
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Produktdetails

Iout (max) (A) 0.6 Vin (min) (V) 2.5 Vin (max) (V) 6 Topology Buck Type Converter Switching frequency (min) (kHz) 2000 Switching frequency (max) (kHz) 2500 Features Adaptive/Dynamic Voltage Scaling, Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Over Current Protection, Synchronous Rectification, UVLO Fixed, UVLO fixed Control mode Voltage mode Vout (min) (V) 1.15 Vout (max) (V) 1.8 Rating Automotive Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000032
Iout (max) (A) 0.6 Vin (min) (V) 2.5 Vin (max) (V) 6 Topology Buck Type Converter Switching frequency (min) (kHz) 2000 Switching frequency (max) (kHz) 2500 Features Adaptive/Dynamic Voltage Scaling, Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Over Current Protection, Synchronous Rectification, UVLO Fixed, UVLO fixed Control mode Voltage mode Vout (min) (V) 1.15 Vout (max) (V) 1.8 Rating Automotive Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000032
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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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS624xx-Q1 Automotive 2.25-MHz Fixed VOUT Dual Step-Down Converter datasheet (Rev. E) PDF | HTML 15 Mär 2022
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dez 2023
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 14 Jun 2019
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 Okt 2017
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 24 Okt 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 und Entwicklung

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Evaluierungsplatine

TPS62410Q1-EVM — TPS62410-Q1 3,6-V-Dual-Abwärtswandler – Evaluierungsmodul

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.
Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Simulationsmodell

TPS62422-Q1 Unencrypted PSpice Transient Model Package (Rev. A)

SLVMCL9A.ZIP (38 KB) - PSpice Model
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VSON (DRC) 10 Optionen anzeigen
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