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

MCF8329A

ACTIVO

Controlador de compuerta BLDC trifásico con control orientado al campo (FOC) sin sensor de 60 V

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MCF8329A

ACTIVO
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Detalles del producto

Rating Catalog Architecture Gate driver Control topology Field-oriented control (FOC), Sensorless Control interface 1xPWM, Analog, I2C, Serial Vs (min) (V) 4.5 Vs ABS (max) (V) 65 Features Code-free Field Oriented Control (FOC), Configurable motor startup and stop options, Improved acoustic performance with automatic dead time compensation, Integrated protections UVLO, Offline motor parameters measurement with Motor Parameter Extraction Tool (MPET) Operating temperature range (°C) -40 to 125
Rating Catalog Architecture Gate driver Control topology Field-oriented control (FOC), Sensorless Control interface 1xPWM, Analog, I2C, Serial Vs (min) (V) 4.5 Vs ABS (max) (V) 65 Features Code-free Field Oriented Control (FOC), Configurable motor startup and stop options, Improved acoustic performance with automatic dead time compensation, Integrated protections UVLO, Offline motor parameters measurement with Motor Parameter Extraction Tool (MPET) Operating temperature range (°C) -40 to 125
WQFN (REE) 36 20 mm² (4 mm × 5 mm)
  • Three-phase BLDC gate driver with integrated sensorless motor control algorithm
    • Code-free single shunt Field Oriented Control
    • Supports up to 1.8 kHz (electrical frequency)
    • Support flux weakening control
    • Forward and reverse windmilling support
    • Analog, PWM, freq., or I 2C based control input
    • Configurable motor startup and stop options
    • Optional closed-loop speed or power or current control or modulation index control
    • 5-point configurable reference profile support
    • Anti-voltage surge prevents overvoltage
    • Improved acoustic performance with automatic dead time compensation
    • Support maximum torque per ampere (MTPA)
    • Offline motor back EMF measurement
    • Variable monitoring through DACOUT
  • 65-V Three-phase 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 V PVDD = 24-V, T A = 25°C
  • Speed loop accuracy: < 3% with internal clock
  • Configurable non-volatile memory (EEPROM) to store device configuration
  • Supports up to 75-kHz PWM frequency for low inductance motor support
  • 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
  • A suite of integrated protection features
    • Supply under-voltage lockout (UVLO)
    • Motor lock detection (3 different types)
    • Over-current protection (OCP)
    • Thermal shutdown (TSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over I 2C interface
  • Three-phase BLDC gate driver with integrated sensorless motor control algorithm
    • Code-free single shunt Field Oriented Control
    • Supports up to 1.8 kHz (electrical frequency)
    • Support flux weakening control
    • Forward and reverse windmilling support
    • Analog, PWM, freq., or I 2C based control input
    • Configurable motor startup and stop options
    • Optional closed-loop speed or power or current control or modulation index control
    • 5-point configurable reference profile support
    • Anti-voltage surge prevents overvoltage
    • Improved acoustic performance with automatic dead time compensation
    • Support maximum torque per ampere (MTPA)
    • Offline motor back EMF measurement
    • Variable monitoring through DACOUT
  • 65-V Three-phase 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 V PVDD = 24-V, T A = 25°C
  • Speed loop accuracy: < 3% with internal clock
  • Configurable non-volatile memory (EEPROM) to store device configuration
  • Supports up to 75-kHz PWM frequency for low inductance motor support
  • 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
  • A suite of integrated protection features
    • Supply under-voltage lockout (UVLO)
    • Motor lock detection (3 different types)
    • Over-current protection (OCP)
    • Thermal shutdown (TSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over I 2C interface

The MCF8329A provides a single-chip, code-free sensorless FOC solution for applications driving brushless-DC motors (BLDC) or Permanent Magnet Synchronous motor (PMSM). The MCF8329A provides three half-bridge gate drivers, each capable of driving high-side and low-side N-channel power MOSFETs. The device generates the 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 a 100% duty cycle. The MCF8329A can operate from a single power supply and supports a wide input supply range of 4.5 to 60 V.

The algorithm configuration can be stored in non-volatile EEPROM, which allows the device to operate stand-alone once it has been configured. Motor current is sensed using an integrated current-sensing amplifier supporting a single external shunt resistor. MCF8329A integrates a large number of protection features, intended to protect the device, motor, and system against fault events.

The MCF8329A provides a single-chip, code-free sensorless FOC solution for applications driving brushless-DC motors (BLDC) or Permanent Magnet Synchronous motor (PMSM). The MCF8329A provides three half-bridge gate drivers, each capable of driving high-side and low-side N-channel power MOSFETs. The device generates the 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 a 100% duty cycle. The MCF8329A can operate from a single power supply and supports a wide input supply range of 4.5 to 60 V.

The algorithm configuration can be stored in non-volatile EEPROM, which allows the device to operate stand-alone once it has been configured. Motor current is sensed using an integrated current-sensing amplifier supporting a single external shunt resistor. MCF8329A integrates a large number of protection features, intended to protect the device, motor, and system against fault events.
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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 MCF8329A Sensorless Field Oriented Control (FOC)Three-phase BLDC Gate Driver datasheet PDF | HTML 28/11/2023
Nota sobre la aplicación Getting Started with MOTORSTUDIO (Rev. A) PDF | HTML 9/06/2026
Nota sobre la aplicación MCF83xx - Open Loop to Closed Loop Handoff Tuning PDF | HTML 15/04/2025
Nota sobre la aplicación How to Program I2C for MCx83xx Device Family PDF | HTML 24/03/2025
Nota sobre la aplicación Motor Pre-Startup Tuning for MCx83xx PDF | HTML 24/03/2025
Nota sobre la aplicación MCF83xx and MCT83xx EEPROM Read and Write Procedure PDF | HTML 13/03/2025
Guía del usuario MCF8329A Tuning Guide PDF | HTML 5/11/2024
Product overview Cordless Vacuum Cleaner BLDC Motor Efficiency Test Data vs Competitor F PDF | HTML 21/10/2024

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

MCF8329EVM — Módulo de evaluación MCF8329 para controlador de compuerta BLDC trifásico con FOC sin sensor, 60 V

El módulo de evaluación (EVM) MCF8329 es una plataforma para desarrollar el MCF8329A, que es un controlador de compuerta trifásico de CC sin escobillas de 4.5 V a 60 V con control orientado al campo (FOC) sin sensor y sin código para aplicaciones de accionamiento de motores. El dispositivo (...)

Guía del usuario: PDF | HTML
Productos y hardware compatibles
GUI para el módulo de evaluación (EVM)

MOTORSTUDIO — Motor Studio GUI for tuning and evaluating BLDC motor drivers

Motor Studio es una interfaz gráfica de usuario (GUI) fácil de usar que simplifica el proceso de ajuste de nuestros controladores de motor CC sin escobillas (BLDC) para reducir el tiempo de evaluación de dispositivos y desarrollo de productos. La GUI permite a los usuarios accionar rápidamente sus (...)

Productos y hardware compatibles
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
WQFN (REE) 36 Ultra Librarian
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