Inicio Gestión de la energía AC/DC & DC/DC converters (integrated FET)
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Gestión de la energía
AC/DC & DC/DC converters (integrated FET)

TPS54262-Q1

ACTIVO

Convertidor automotriz reductor de 3.6 V a 60 V y 2 A con IQ baja y supervisión de tensión

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LM76002-Q1 ACTIVO Regulador de tensión síncrono de 3.5 V a 60 V y 3.5 A/2.5 A Wettable flank WQFN package with improved performance.

TPS54262-Q1

ACTIVO
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Detalles del producto

Iout (max) (A) 2 Vin (min) (V) 3.6 Vin (max) (V) 60 Topology Buck Type Converter Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Tracking, UVLO adjustable Control mode Voltage mode Vout (min) (V) 0.9 Vout (max) (V) 18 Rating Automotive Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00005
Iout (max) (A) 2 Vin (min) (V) 3.6 Vin (max) (V) 60 Topology Buck Type Converter Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Tracking, UVLO adjustable Control mode Voltage mode Vout (min) (V) 0.9 Vout (max) (V) 18 Rating Automotive Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00005
HTSSOP (PWP) 20 41.6 mm² 6.5 x 6.4
  • Asynchronous Switch Mode Regulator
  • Qualified for Automotive Applications
  • 3.6-V to 48-V Operating Range, Withstands
    Transients up to 60 V
  • 2-A Maximum Load Current
  • 50-µA Typical Quiescent Current
  • 200-kHz to 2.2-MHz Switching Frequency
  • 0.8 V ± 1.5% Voltage Reference
  • High-Voltage Tolerant Enable Input
  • Soft Start on Enable Cycle
  • Slew Rate Control on Internal Power Switch
  • Low-Power Mode for Light-Load Conditions
  • Programmable Delay for Power-On Reset
  • External Compensation for Error Amplifier
  • Reset Function Filter Time for Fast Negative
    Transients
  • Programmable Overvoltage, Undervoltage Output
    Monitor
  • Thermal Sensing and Shutdown
  • Switch Current Limit Protection
  • Short Circuit and Overcurrent Protection of FET
  • Junction Temperature Range: –40°C to 150°C
  • 20-Pin HTSSOP PowerPAD™ Package
  • Asynchronous Switch Mode Regulator
  • Qualified for Automotive Applications
  • 3.6-V to 48-V Operating Range, Withstands
    Transients up to 60 V
  • 2-A Maximum Load Current
  • 50-µA Typical Quiescent Current
  • 200-kHz to 2.2-MHz Switching Frequency
  • 0.8 V ± 1.5% Voltage Reference
  • High-Voltage Tolerant Enable Input
  • Soft Start on Enable Cycle
  • Slew Rate Control on Internal Power Switch
  • Low-Power Mode for Light-Load Conditions
  • Programmable Delay for Power-On Reset
  • External Compensation for Error Amplifier
  • Reset Function Filter Time for Fast Negative
    Transients
  • Programmable Overvoltage, Undervoltage Output
    Monitor
  • Thermal Sensing and Shutdown
  • Switch Current Limit Protection
  • Short Circuit and Overcurrent Protection of FET
  • Junction Temperature Range: –40°C to 150°C
  • 20-Pin HTSSOP PowerPAD™ Package

The TPS54262-Q1 device is a 60-V, 2-A step-down switch-mode power supply with a low-power mode and a programmable voltage supervisor with an integrated NMOS switching FET. Integrated input voltage line feed forward topology improves line transient regulation of the voltage mode buck regulator. The regulator has a cycle-by-cycle current limit. The device also features low-power mode operation under light-load conditions which reduces the supply current to 50 µA (typical). By pulling the EN pin low, the supply shutdown current is reduced to 1 µA (typical).

An open-drain reset signal indicates when the nominal output drops below the reset threshold set by an external resistor divider network. The output voltage start-up ramp is controlled by a soft-start capacitor. There is an internal undervoltage shut down which is activated when the input supply ramps down to 2.6 V. The device features a short circuit protection circuit which protects the device during overload condition, and also has a thermal shutdown protection.

The TPS54262-Q1 device is a 60-V, 2-A step-down switch-mode power supply with a low-power mode and a programmable voltage supervisor with an integrated NMOS switching FET. Integrated input voltage line feed forward topology improves line transient regulation of the voltage mode buck regulator. The regulator has a cycle-by-cycle current limit. The device also features low-power mode operation under light-load conditions which reduces the supply current to 50 µA (typical). By pulling the EN pin low, the supply shutdown current is reduced to 1 µA (typical).

An open-drain reset signal indicates when the nominal output drops below the reset threshold set by an external resistor divider network. The output voltage start-up ramp is controlled by a soft-start capacitor. There is an internal undervoltage shut down which is activated when the input supply ramps down to 2.6 V. The device features a short circuit protection circuit which protects the device during overload condition, and also has a thermal shutdown protection.
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Documentación técnica

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* Data sheet TPS54262-Q1 Automotive 2-A 60-V Step-Down DC-DC Converter With Low I(q) and Voltage Supervisor datasheet (Rev. D) PDF | HTML 30 sep 2015

Diseño y desarrollo

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Placa de evaluación

TPS54262EVM — Módulo de evaluación TPS54262EVM

The Texas Instruments TPS54262EVM evaluation module (EVM) helps designers evaluate the operation and performance of the TPS54262 Switch Mode Power Supply - Buck Regulator. The device offers configurability and can be setup to switch from 200KHz up to 2.2MHz.

Guía del usuario: PDF
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Modelo de simulación

TPS54262-Q1 PSpice Transient Model

SLVMDB9.ZIP (102 KB) - PSpice Model
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HTSSOP (PWP) 20 Ver opciones
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Pedidos y calidad

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  • REACH
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  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
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