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TPS62442

ACTIVO

Convertidor reductor doble de 2.75 V a 6 V de 2 A o 3 A y 1 A en encapsulado QFN

Detalles del producto

Rating Catalog Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 2, 3 Vin (min) (V) 2.75 Vin (max) (V) 6 Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 4000 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Light load efficiency, Output discharge, Over Current Protection, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO adjustable, Wettable flanks package Control mode current mode Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 22 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 2, 3 Vin (min) (V) 2.75 Vin (max) (V) 6 Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 4000 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Light load efficiency, Output discharge, Over Current Protection, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO adjustable, Wettable flanks package Control mode current mode Vout (min) (V) 0.6 Vout (max) (V) 5.5 Iq (typ) (µA) 22 Duty cycle (max) (%) 100
VQFN-HR (RQR) 14 6.21 mm² 2.7 x 2.3
  • Functional Safety-Capable
  • 0.6-V to 5.5-V dual-channel, output voltage
  • 1-A/1-A, 2-A/2-A, 3-A/1-A output currents
  • 2.75-V to 6-V input voltage range
  • 1% feedback voltage accuracy (PWM operation)
  • T J = –40°C to +150°C
  • Two precise ENABLE inputs allow:
    • User-defined undervoltage lockout
    • Exact sequencing
  • Two power-good outputs with window comparator
  • 1.8-MHz to 4-MHz adjustable switching frequency
  • Optional synchronization to external clock
  • Optional spread spectrum clocking
  • Forced PWM or PWM/PFM operation
  • Selectable compensation network up to 200 µF
  • 22-µA quiescent current
  • 180° phase shifted operation
  • 100% duty cycle mode
  • Active output discharge
  • Thermal shutdown protection
  • 2.3-mm × 2.7-mm QFN package
  • Functional Safety-Capable
  • 0.6-V to 5.5-V dual-channel, output voltage
  • 1-A/1-A, 2-A/2-A, 3-A/1-A output currents
  • 2.75-V to 6-V input voltage range
  • 1% feedback voltage accuracy (PWM operation)
  • T J = –40°C to +150°C
  • Two precise ENABLE inputs allow:
    • User-defined undervoltage lockout
    • Exact sequencing
  • Two power-good outputs with window comparator
  • 1.8-MHz to 4-MHz adjustable switching frequency
  • Optional synchronization to external clock
  • Optional spread spectrum clocking
  • Forced PWM or PWM/PFM operation
  • Selectable compensation network up to 200 µF
  • 22-µA quiescent current
  • 180° phase shifted operation
  • 100% duty cycle mode
  • Active output discharge
  • Thermal shutdown protection
  • 2.3-mm × 2.7-mm QFN package

The TPS6244x is a family of pin-to-pin dual 1-A, dual 2-A, and 3-A/1-A high-efficiency and easy-to-use synchronous step-down DC/DC converters. The device family is based on a peak current mode control topology. The devices are designed for industrial applications such as motor drives and robotics. Low resistive switches allow up to 3-A continuous output current and total maximum output current up to 4-A at high ambient temperature. The switching frequency is externally adjustable from 1.8 MHz to 4 MHz and can also be synchronized to an external clock in the same frequency range. In PWM/PFM mode, the TPS6244x automatically enters power save mode at light loads to maintain high efficiency across the whole load range. The TPS6244x provides a 1% output voltage accuracy in PWM mode, which helps design a power supply with high output voltage accuracy.

The TPS6244x is available as an adjustable voltage version, packaged in a VQFN package.

The TPS6244x is a family of pin-to-pin dual 1-A, dual 2-A, and 3-A/1-A high-efficiency and easy-to-use synchronous step-down DC/DC converters. The device family is based on a peak current mode control topology. The devices are designed for industrial applications such as motor drives and robotics. Low resistive switches allow up to 3-A continuous output current and total maximum output current up to 4-A at high ambient temperature. The switching frequency is externally adjustable from 1.8 MHz to 4 MHz and can also be synchronized to an external clock in the same frequency range. In PWM/PFM mode, the TPS6244x automatically enters power save mode at light loads to maintain high efficiency across the whole load range. The TPS6244x provides a 1% output voltage accuracy in PWM mode, which helps design a power supply with high output voltage accuracy.

The TPS6244x is available as an adjustable voltage version, packaged in a VQFN package.

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Documentación técnica

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* Data sheet TPS6244x 2.75-V to 6-V, Dual-Channel Step-Down Converter with Adjustable Frequency and 1% Accuracy in QFN package datasheet (Rev. A) PDF | HTML 18 may 2023
Functional safety information TPS6244x Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 03 mar 2022

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

TPS62442EVM-122 — Módulo de evaluación TPS6244x-Q1 de convertidor reductor doble de 2.75 V a 6 V

El dispositivo TPS6244x‑Q1 es un convertidor reductor doble, síncrono y de alta frecuencia optimizado para un tamaño de solución pequeño y alta eficiencia. Los dispositivos se centran en una conversión reductora doble de alta eficiencia con un amplio rango de corriente de salida. El circuito de (...)
Guía del usuario: PDF | HTML
Modelo de simulación

TPS62442 and TPS62442-Q1 PSpice Unencrypted Transient Model

SLUM819.ZIP (290 KB) - PSpice Model
Esquema

TMDSCNCD28P65X Schematic (Rev. A)

SPRR478A.PDF (1264 KB)
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN-HR (RQR) 14 Ultra Librarian

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • 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
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

Soporte y capacitación

Foros de TI E2E™ con asistencia técnica de los ingenieros de TI

El contenido lo proporcionan “tal como está” TI y los colaboradores de la comunidad y no constituye especificaciones de TI. Consulte los términos de uso.

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