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Drivers para motores de CC sin escobillas (BLDC)
Controladores BLDC de control integrado

MCT8315Z

ACTIVO

Controlador de motor BLDC trifásico de 40 V máx., 4 A de pico, control trapezoidal con sensor

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MCT8315Z

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 (RRY) 32 24 mm² (6 mm × 4 mm)
  • 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 200-kHz PWM frequency
    • Active demagnetization to reduce power losses
  • 4.5-V to 35-V operating voltage (40-V abs max)
  • High output current capability: 4-A Peak
  • Low MOSFET on-state resistance
    • 275-mΩ (typ.) RDS(ON) (HS + LS) at TA = 25°C
  • Low power sleep mode
    • 2.5-µA (max.) at VVM = 24-V, TA = 25°C
  • Integrated current limiting eliminates external current sense resistors
  • Flexible device configuration options
    • MCT8315ZR: 5-MHz 16-bit SPI interface for device configuration and fault status
    • MCT8315ZH: Hardware pin based configuration with buck
    • MCT8315ZT: Hardware pin based configuration without buck
  • Supports 1.8-V, 3.3-V and 5-V logic inputs
  • Built-in 3.3-V/5-V, 200-mA buck regulator
  • Built-in 3.3-V, 30-mA LDO regulator
  • Delay compensation reduces duty cycle distortion
  • Suite of integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Motor lock protection
    • Thermal warning and shutdown (OTW/TSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over SPI interface
  • 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 200-kHz PWM frequency
    • Active demagnetization to reduce power losses
  • 4.5-V to 35-V operating voltage (40-V abs max)
  • High output current capability: 4-A Peak
  • Low MOSFET on-state resistance
    • 275-mΩ (typ.) RDS(ON) (HS + LS) at TA = 25°C
  • Low power sleep mode
    • 2.5-µA (max.) at VVM = 24-V, TA = 25°C
  • Integrated current limiting eliminates external current sense resistors
  • Flexible device configuration options
    • MCT8315ZR: 5-MHz 16-bit SPI interface for device configuration and fault status
    • MCT8315ZH: Hardware pin based configuration with buck
    • MCT8315ZT: Hardware pin based configuration without buck
  • Supports 1.8-V, 3.3-V and 5-V logic inputs
  • Built-in 3.3-V/5-V, 200-mA buck regulator
  • Built-in 3.3-V, 30-mA LDO regulator
  • Delay compensation reduces duty cycle distortion
  • Suite of integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Motor lock protection
    • Thermal warning and shutdown (OTW/TSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over SPI interface

The MCT8315Z provides a single-chip, code-free sensored trapezoidal solution for customers driving 12-V/24-V brushless-DC motors; no external microcontroller is needed to spin the BLDC motor. The MCT8315Z integrates three ½ -bridges with 40-V absolute maximum capability and a low RDS(ON) of 275 mΩ (HS+ LS) 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. MCT8315Z provides an output voltage adjustable buck regulator and an LDO that can be used to power external circuits. MCT8315Z 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 register settings ranging from motor current limiting behavior to advance angle. The speed can be controlled through a PWM input.

A number of protection features including supply undervoltage lockout (UVLO), overvoltage protection (OVP), charge pump undervoltage (CPUV), overcurrent protection (OCP), over-temperature warning (OTW) and over-temperature shutdown (TSD) are integrated into MCT8315Z to protect the device, motor, and system against fault events. Fault conditions are indicated by the nFAULT pin.

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

The MCT8315Z provides a single-chip, code-free sensored trapezoidal solution for customers driving 12-V/24-V brushless-DC motors; no external microcontroller is needed to spin the BLDC motor. The MCT8315Z integrates three ½ -bridges with 40-V absolute maximum capability and a low RDS(ON) of 275 mΩ (HS+ LS) 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. MCT8315Z provides an output voltage adjustable buck regulator and an LDO that can be used to power external circuits. MCT8315Z 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 register settings ranging from motor current limiting behavior to advance angle. The speed can be controlled through a PWM input.

A number of protection features including supply undervoltage lockout (UVLO), overvoltage protection (OVP), charge pump undervoltage (CPUV), overcurrent protection (OCP), over-temperature warning (OTW) and over-temperature shutdown (TSD) are integrated into MCT8315Z to protect the device, motor, and system against fault events. Fault conditions are indicated by the nFAULT pin.

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

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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 MCT8315Z Sensored Trapezoidal Integrated FET BLDC Motor Driver datasheet PDF | HTML 7/12/2023
Certificado MCT8315ZEVM EU Declaration of Conformity (DoC) PDF | HTML 15/11/2023

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

MCT8315ZEVM — Módulo de evaluación MCT8315Z para controlador de motor BLDC trapezoidal trifásico con sensor

El MCT8315Z es un IC de controlador de compuerta trifásico de pico de 4.5 V a 35 V y 4A con control trapezoidal con sensor para aplicaciones de accionamiento de motores. El MCT8315Z proporciona tres medios puentes integrados y un control trapezoidal con sensor en una máquina de estado de función (...)
Guía del usuario: PDF | HTML
Productos y hardware compatibles
En inventario
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No disponible
Firmware

MCT8315ZEVM-MSP430FR2355-FW — MSP430FR2355 firmware for MCT8315ZEVM compatibility with MCT8315Z GUI

MSP430FR2355 firmware for MCT8315ZEVM compatibility with MCT8315Z GUI
Productos y hardware compatibles
GUI para el módulo de evaluación (EVM)

MCT8315Z-GUI — GUI for the MCT8315ZEVM

GUI used to evaluate the MCT8315Z on the MCT8315ZEVM
Productos y hardware compatibles
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
WQFN (RRY) 32 Ultra Librarian
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Pedidos y calidad

Soporte y capacitación

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