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Controladores BLDC de control integrado

MCT8329A

ACTIVO

Controlador de compuerta BLDC trifásico 60 V, control trapezoidal sin sensor

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MCT8329A

ACTIVO
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Detalles del producto

Rating Catalog Architecture Gate driver Control topology Sensorless, Trapezoidal Control interface 1xPWM, Analog, Serial Vs (min) (V) 4.5 Vs ABS (max) (V) 60 Features 120 or 150 degree modulation for improved acoustic performance, Code-free high speed sensorless trapezoidal control, Configurable motor startup and stop options, Fast Deceleration (<150 ms), Fast startup time (<50 ms), Integrated protections UVLO,OCP,OTW-OTSD,AVS, Optional closed loop speed control, Stand-alone operation, Up to 3 kHz (electrical frequency), Variable monitoring through DACOUT, Windmilling support through forward resynchronization and reverse drive Operating temperature range (°C) -40 to 125
Rating Catalog Architecture Gate driver Control topology Sensorless, Trapezoidal Control interface 1xPWM, Analog, Serial Vs (min) (V) 4.5 Vs ABS (max) (V) 60 Features 120 or 150 degree modulation for improved acoustic performance, Code-free high speed sensorless trapezoidal control, Configurable motor startup and stop options, Fast Deceleration (<150 ms), Fast startup time (<50 ms), Integrated protections UVLO,OCP,OTW-OTSD,AVS, Optional closed loop speed control, Stand-alone operation, Up to 3 kHz (electrical frequency), Variable monitoring through DACOUT, Windmilling support through forward resynchronization and reverse drive Operating temperature range (°C) -40 to 125
WQFN (REE) 36 20 mm² 4 x 5
  • Three-phase BLDC gate driver with integrated sensorless motor control algorithm
    • Code-free high speed Trapezoidal Control
    • Supports up to 3 kHz (electrical frequency)
    • Very fast startup time (<50 ms)
    • Fast Deceleration (<150 ms)
    • Supports 120° or 150° modulation to improve acoustic performance
    • Forward and reverse windmilling support
    • Analog, PWM, freq. or I2C based control input
    • Configurable motor startup and stop options
    • Optional closed loop speed or power control, open loop voltage control
    • 5-point configurable reference profile support
    • Anti-voltage surge prevents overvoltage
    • Variable monitoring through DACOUT
  • 65-V Three phase half-bridge gate driver
    • Drives 3 high-side and 3 low-side N-Channel MOSFETs, 4.5 to 60-V operating voltage
    • Supports 100% PWM duty cycle
    • Bootstrap based gate driver architecture
    • 1-A/2-A Maximum peak source/sink current
  • Integrated current sense amplifier
    • Adjustable gain (5, 10, 20, 40 V/V)
  • Low power sleep mode
    • 5-µA (maximum) at VPVDD = 24-V, TA = 25°C
  • Speed loop accuracy: < 3% with internal clock
  • Supports up to 100-kHz PWM frequency
  • Accurate LDO (AVDD) 3.3-V ±3%, 50-mA support with AVDD connected to VREG
  • Independent driver shutdown path (DRVOFF)
  • Spread spectrum for EMI mitigation
  • Suite of Integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Motor lock detection (3 different types)
    • Overcurrent protection (OCP)
    • Thermal shutdown (TSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over I2C interface
  • Three-phase BLDC gate driver with integrated sensorless motor control algorithm
    • Code-free high speed Trapezoidal Control
    • Supports up to 3 kHz (electrical frequency)
    • Very fast startup time (<50 ms)
    • Fast Deceleration (<150 ms)
    • Supports 120° or 150° modulation to improve acoustic performance
    • Forward and reverse windmilling support
    • Analog, PWM, freq. or I2C based control input
    • Configurable motor startup and stop options
    • Optional closed loop speed or power control, open loop voltage control
    • 5-point configurable reference profile support
    • Anti-voltage surge prevents overvoltage
    • Variable monitoring through DACOUT
  • 65-V Three phase half-bridge gate driver
    • Drives 3 high-side and 3 low-side N-Channel MOSFETs, 4.5 to 60-V operating voltage
    • Supports 100% PWM duty cycle
    • Bootstrap based gate driver architecture
    • 1-A/2-A Maximum peak source/sink current
  • Integrated current sense amplifier
    • Adjustable gain (5, 10, 20, 40 V/V)
  • Low power sleep mode
    • 5-µA (maximum) at VPVDD = 24-V, TA = 25°C
  • Speed loop accuracy: < 3% with internal clock
  • Supports up to 100-kHz PWM frequency
  • Accurate LDO (AVDD) 3.3-V ±3%, 50-mA support with AVDD connected to VREG
  • Independent driver shutdown path (DRVOFF)
  • Spread spectrum for EMI mitigation
  • Suite of Integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Motor lock detection (3 different types)
    • Overcurrent protection (OCP)
    • Thermal shutdown (TSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over I2C interface

The MCT8329A provides a single-chip, code-free sensorless trapezoidal solution for applications requiring high speed operation or very fast startup time for three phase brushless-DC motors. The device provide three half-bridge gate drivers, each capable of driving high-side and low-side N-channel power MOSFETs. The device generates correct gate drive voltages using an internal charge pump and enhances the high-side MOSFETs using a bootstrap circuit. A trickle charge pump is included to support 100% duty cycle. The gate drive architecture supports peak gate drive currents up to 1-A source and 2-A sink. The MCT8329A can operate from a single power supply and supports a wide input supply range of 4.5 to 60 V.

Sensorless trapezoidal control is highly configurable through register settings in a non-volatile EEPROM (MCT8329A1I) ranging from motor start-up behavior to closed loop operation, which allows the device to operate stand-alone once it has been configured. Motor current is sensed using an integrated current sensing amplifier supporting single external shunt resistor. The device receives a speed command through a PWM input or analog voltage or variable frequency square wave or I2C command. There are a large number of protection features integrated into the MCT8329A, intended to protect the device, motor, and system against fault events.

The MCT8329A provides a single-chip, code-free sensorless trapezoidal solution for applications requiring high speed operation or very fast startup time for three phase brushless-DC motors. The device provide three half-bridge gate drivers, each capable of driving high-side and low-side N-channel power MOSFETs. The device generates correct gate drive voltages using an internal charge pump and enhances the high-side MOSFETs using a bootstrap circuit. A trickle charge pump is included to support 100% duty cycle. The gate drive architecture supports peak gate drive currents up to 1-A source and 2-A sink. The MCT8329A can operate from a single power supply and supports a wide input supply range of 4.5 to 60 V.

Sensorless trapezoidal control is highly configurable through register settings in a non-volatile EEPROM (MCT8329A1I) ranging from motor start-up behavior to closed loop operation, which allows the device to operate stand-alone once it has been configured. Motor current is sensed using an integrated current sensing amplifier supporting single external shunt resistor. The device receives a speed command through a PWM input or analog voltage or variable frequency square wave or I2C command. There are a large number of protection features integrated into the MCT8329A, intended to protect the device, motor, and system against fault events.
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Documentación técnica

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* Data sheet MCT8329A High Speed Sensorless Trapezoidal Control Three-phase BLDC Gate Driver datasheet PDF | HTML 05 ene 2023
Application note How to Program I2C for MCx83xx Device Family PDF | HTML 24 mar 2025
Application note Motor Pre-Startup Tuning for MCx83xx PDF | HTML 24 mar 2025
Application note MCF83xx and MCT83xx EEPROM Read and Write Procedure PDF | HTML 13 mar 2025
Technical article Selecting the right level of integration to meet motor design requirements PDF | HTML 04 ene 2024
Technical article Top 3 ways to reduce audible noise in motion control applications PDF | HTML 21 dic 2023
Application brief High-Efficiency Sensorless, Code-Free BLDC Motor Drives for Scalable Systems 03 may 2023
Certificate MCT8329EVM EU RoHS Declaration of Conformity (DoC) 16 dic 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

MCT8329EVM — Módulo de evaluación MCT8329 para controlador de compuerta BLDC trapezoidal trifásico sin sensor

El MCT8329 es un IC de controlador de puerta BLDC trifásico de 4.5 V a 60 V con control trapezoidal sin sensor sin código para aplicaciones de accionamiento de motores. Proporciona tres controladores de puerta de medio puente, cada uno capaz de controlar MOSFET de potencia de canal N de lado alto y (...)

Guía del usuario: PDF | HTML
No disponible en TI.com
GUI para el módulo de evaluación (EVM)

MCT8329A-GUI — GUI for the MCT8329EVM

GUI used to evaluate MCT8329A on the MCT8329EVM
Productos y hardware compatibles

Productos y hardware compatibles

Productos
Controladores BLDC de control integrado
  • MCT8329A — Controlador de compuerta BLDC trifásico 60 V, control trapezoidal sin sensor
Desarrollo de hardware
Placa de evaluación
  • MCT8329EVM — Módulo de evaluación MCT8329 para controlador de compuerta BLDC trapezoidal trifásico sin sensor
Iniciar Opciones de descarga
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
WQFN (REE) 36 Ultra Librarian
Se aplican los Términos y condiciones estándar de TI para los elementos de evaluación.

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

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