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Controladores BLDC de control integrado

MCT8314Z

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Controlador de motor de corriente continua sin escobillas (BLDC) trifásico de 40 V máx., 1.5 A de pi

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MCT8314Z

ACTIVO
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Detalles del producto

Rating Catalog Architecture Integrated FET Control topology Sensored, Trapezoidal Control interface 1xPWM Vs (min) (V) 4.5 Vs ABS (max) (V) 40 Features Active Demagnetization to reduce power losses, Analog or Digital Hall inputs, Code-free Hall sensor based trapezoidal (120°) commutation, Configurable PWM modulation: Synchronous/Asynchronous, Cycle-by-cycle current limit to limit phase current, Integrated protections: UVLO, Stand-alone operation (no external MCU needed), Supports up to 200-kHz PWM frequency Operating temperature range (°C) -40 to 125
Rating Catalog Architecture Integrated FET Control topology Sensored, Trapezoidal Control interface 1xPWM Vs (min) (V) 4.5 Vs ABS (max) (V) 40 Features Active Demagnetization to reduce power losses, Analog or Digital Hall inputs, Code-free Hall sensor based trapezoidal (120°) commutation, Configurable PWM modulation: Synchronous/Asynchronous, Cycle-by-cycle current limit to limit phase current, Integrated protections: UVLO, Stand-alone operation (no external MCU needed), Supports up to 200-kHz PWM frequency Operating temperature range (°C) -40 to 125
WQFN (RRW) 24 9 mm² 3 x 3
  • Three-phase BLDC motor driver with integrated sensored trapezoidal control
    • Hall Sensor based trapezoidal (120°) commutation
    • Supports analog or digital hall inputs
    • Configurable PWM modulation: synchronous/asynchronous
    • Cycle-by-cycle current limit to limit phase current
    • Supports up to 100-kHz PWM frequency
    • Automatic synchronous rectification to reduce power losses
  • 5.0-V to 35-V operating voltage (40-V abs max)
  • High output current capability: 1.5-A Peak
  • Low MOSFET on-state resistance
    • 575-mΩ RDS(ON) (HS + LS) at TA = 25°C
  • Low-power sleep mode
    • 1.5-µA at VVM = 24-V, TA = 25°C
  • Integrated current limiting eliminates external current sense resistors
  • Flexible device configuration options
    • MCT8314ZS: 5-MHz 16-bit SPI interface for device configuration and fault status
    • MCT8314ZH: Hardware pin-based configuration
  • Supports 1.8-V, 3.3-V, and 5-V logic inputs
  • Built-in 5-V (5%), 30-mA LDO regulator
  • A suite of integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Motor lock protection
    • Thermal warning and shutdown (OTW/OTSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over SPI
  • Three-phase BLDC motor driver with integrated sensored trapezoidal control
    • Hall Sensor based trapezoidal (120°) commutation
    • Supports analog or digital hall inputs
    • Configurable PWM modulation: synchronous/asynchronous
    • Cycle-by-cycle current limit to limit phase current
    • Supports up to 100-kHz PWM frequency
    • Automatic synchronous rectification to reduce power losses
  • 5.0-V to 35-V operating voltage (40-V abs max)
  • High output current capability: 1.5-A Peak
  • Low MOSFET on-state resistance
    • 575-mΩ RDS(ON) (HS + LS) at TA = 25°C
  • Low-power sleep mode
    • 1.5-µA at VVM = 24-V, TA = 25°C
  • Integrated current limiting eliminates external current sense resistors
  • Flexible device configuration options
    • MCT8314ZS: 5-MHz 16-bit SPI interface for device configuration and fault status
    • MCT8314ZH: Hardware pin-based configuration
  • Supports 1.8-V, 3.3-V, and 5-V logic inputs
  • Built-in 5-V (5%), 30-mA LDO regulator
  • A suite of integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Motor lock protection
    • Thermal warning and shutdown (OTW/OTSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over SPI

The MCT8314Z provides a single-chip, code-free sensored trapezoidal commutation device for customers driving 12- to 24-V brushless-DC motors. The MCT8314Z integrates three 1/2-H bridges with 40-V absolute maximum capability and a low RDS(ON) of 575-mΩ (high-side and low-side combined) to enable high power drive capability. The integrated current limiting feature limits motor currents during start-up or high load conditions while eliminating the need for external sense resistors. An integrated 5-V LDO generates the necessary voltage rail for the device and can power external circuits.

MCT8314Z implements sensored trapezoidal control in a fixed-function state machine, so an external microcontroller is not required to spin the brushless DC motor. The MCT8314Z device integrates three analog Hall comparators for position sensing to achieve sensored trapezoidal BLDC motor control. The control scheme is highly configurable through hardware pins or registers settings ranging from motor current limiting behavior to fault response. The speed can be controlled through a PWM input.

There are a large number of protection features integrated into the MCT8314Z that are designed to protect the device, motor, and system against fault events.

Refer Application Information for design consideration and recommendation on device usage.

The MCT8314Z provides a single-chip, code-free sensored trapezoidal commutation device for customers driving 12- to 24-V brushless-DC motors. The MCT8314Z integrates three 1/2-H bridges with 40-V absolute maximum capability and a low RDS(ON) of 575-mΩ (high-side and low-side combined) to enable high power drive capability. The integrated current limiting feature limits motor currents during start-up or high load conditions while eliminating the need for external sense resistors. An integrated 5-V LDO generates the necessary voltage rail for the device and can power external circuits.

MCT8314Z implements sensored trapezoidal control in a fixed-function state machine, so an external microcontroller is not required to spin the brushless DC motor. The MCT8314Z device integrates three analog Hall comparators for position sensing to achieve sensored trapezoidal BLDC motor control. The control scheme is highly configurable through hardware pins or registers settings ranging from motor current limiting behavior to fault response. The speed can be controlled through a PWM input.

There are a large number of protection features integrated into the MCT8314Z that are designed to protect the device, motor, and system against fault events.

Refer Application Information for design consideration and recommendation on device usage.

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Documentación técnica

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* Data sheet MCT8314Z Sensored Trapezoidal Integrated FET BLDC Motor Driver datasheet (Rev. A) PDF | HTML 07 jun 2024

Diseño y desarrollo

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Placa de evaluación

MCT8314ZEVM — Módulo de evaluación MCT8314Z

El módulo de evaluación (EVM) MCT8314Z permite que los usuarios evalúen el rendimiento del controlador de motor MCT8314Z. El EVM incluye un chip FTDI integrado para convertir la comunicación del conector micro USB en un transmisor/receptor asíncrono universal (UART). Un microcontrolador (MCU) (...)
Guía del usuario: PDF | HTML
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Firmware

MCT8314ZEVM-MSP430FR2355-FW — MSP430 firmware for MCT8314ZEVM compatibility with MCT8314Z GUI

MSP430 firmware for MCT8314ZEVM compatibility with MCT8314Z GUI
Productos y hardware compatibles

Productos y hardware compatibles
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GUI para el módulo de evaluación (EVM)

MCT8314Z-GUI — GUI for the MCT8314ZEVM

GUI used to evaluate the MCT8314Z on the MCT8314ZEVM
Productos y hardware compatibles

Productos y hardware compatibles
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Archivo Gerber

MCT8314ZEVM Hardware Design Files

SNLR052.ZIP (7161 KB)
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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
WQFN (RRW) 24 Ultra Librarian
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Pedidos y calidad

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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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  • Lugar de fabricación
  • Lugar de ensamblaje

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