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TPS62405-Q1

ACTIVO

Convertidor reductor doble (400 mA y 600 mA) de tensión de salida fija y 2.25 MHz con interfaz de un

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TPS62442-Q1 ACTIVO Convertidor reductor de 2.75 V a 6 V para automoción, doble salida de 2 A o 3 A y 1 A, frecuencia aj Family devices, same pinout with different output voltage

TPS62405-Q1

ACTIVO
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Detalles del producto

Rating Automotive Topology Buck Iout (max) (A) 0.4 Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 1.925 Vout (min) (V) 1.215 Features Adaptive/Dynamic Voltage Scaling, Forced PWM, Synchronous Rectification Control mode Voltage mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000032 Duty cycle (max) (%) 100
Rating Automotive Topology Buck Iout (max) (A) 0.4 Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 1.925 Vout (min) (V) 1.215 Features Adaptive/Dynamic Voltage Scaling, Forced PWM, Synchronous Rectification Control mode Voltage mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000032 Duty cycle (max) (%) 100
VSON (DRC) 10 9 mm² (3 mm × 3 mm)
  • 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 H2
    • 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 400 mA and 600 mA
  • Adjustable output voltage from 0.6 V to VIN
  • Pin selectable output voltage supports simple dynamic voltage scaling
  • 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 H2
    • 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 400 mA and 600 mA
  • Adjustable output voltage from 0.6 V to VIN
  • Pin selectable output voltage supports simple dynamic voltage scaling
  • 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 TPS6240x-Q1 family of devices are synchronous dual step-down DC-DC converters optimized for battery-powered portable applications and automotive systems. They provide two independent output voltage rails powered by rechargeable batteries or standard 3.3-V or 5-V voltage rail.

The EasyScale™ serial interface allows output-voltages modification during operation. The fixed-output-voltage versions, TPS62402-Q1,
TPS62404-Q1, and TPS62405-Q1 support one-pin-controlled simple dynamic voltage scaling for low-power processors.

The TPS6240x-Q1 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 TPS6240x-Q1 family of devices are synchronous dual step-down DC-DC converters optimized for battery-powered portable applications and automotive systems. They provide two independent output voltage rails powered by rechargeable batteries or standard 3.3-V or 5-V voltage rail.

The EasyScale™ serial interface allows output-voltages modification during operation. The fixed-output-voltage versions, TPS62402-Q1,
TPS62404-Q1, and TPS62405-Q1 support one-pin-controlled simple dynamic voltage scaling for low-power processors.

The TPS6240x-Q1 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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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos TPS6240x-Q1 2.25-MHz 400-mA and 600-mA Dual Step-Down Converter datasheet (Rev. F) PDF | HTML 16/04/2020
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 14/06/2019
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 22/06/2018
Analog Design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 24/10/2017
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 24/10/2016
Analog Design Journal Five steps to a great PCB layout for a step-down converter 29/01/2015

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Modelo de simulación

TPS62405 Unencrypted PSpice Transient Model Package (Rev. A)

SLVMBB7A.ZIP (101 KB) - Modelo PSpice
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