产品详细信息

Rating Catalog Control method Trapezoidal Control Architecture Integrated FET Control interface 1xPWM, Analog, Serial RDS(ON) (HS + LS) (mOhms) 95 Peak output current (A) 8 Vs (Min) (V) 4.5 Vs ABS (Max) (V) 40 Features Code-free high speed sensored trapezoidal control, Stand-alone operation, Up to 3 kHz (electrical frequency), Fast startup time (<50 ms), Fast Deceleration (<150 ms), 120 or 150 degree modulation for improved acoustic performance, Windmilling support through forward resynchronization and reverse drive, Active Demag to reduce power losses, Configurable motor startup and stop options, Optional closed loop speed control, Integrated protections UVLO, OCP, OTW-OTSD, AVS, Variable monitoring through DACOUT Operating temperature range (C) -40 to 125
Rating Catalog Control method Trapezoidal Control Architecture Integrated FET Control interface 1xPWM, Analog, Serial RDS(ON) (HS + LS) (mOhms) 95 Peak output current (A) 8 Vs (Min) (V) 4.5 Vs ABS (Max) (V) 40 Features Code-free high speed sensored trapezoidal control, Stand-alone operation, Up to 3 kHz (electrical frequency), Fast startup time (<50 ms), Fast Deceleration (<150 ms), 120 or 150 degree modulation for improved acoustic performance, Windmilling support through forward resynchronization and reverse drive, Active Demag to reduce power losses, Configurable motor startup and stop options, Optional closed loop speed control, Integrated protections UVLO, OCP, OTW-OTSD, AVS, Variable monitoring through DACOUT Operating temperature range (C) -40 to 125
VQFN (RGF) 40 35 mm² 7 x 5
  • Three-phase BLDC motor driver with integrated sensorless motor control algorithm
    • Code-free high speed Trapezoidal Control
    • Supports upto 3 kHz (electrical frequency)
    • Very fast startup time (<50 ms)
    • Fast Deceleration (<150 ms)
    • Supports 120° or 150° modulation to improve acoustic performance
    • Windmilling support through forward resynchronization and reverse drive
    • Analog, PWM, freq. or I2C based speed input
    • Active Demagnetization to reduce power losses
    • Configurable motor startup and stop options
    • Optional closed loop speed control
    • Anti-voltage surge protections prevents overvoltage
    • Variable monitoring through DACOUT
  • 4.5- to 35-V operating voltage (40-V abs max)
  • High output current capability: 8-A peak
  • Low MOSFET on-state resistance
    • 95-mΩ RDS(ON) (HS + LS) at TA = 25°C
  • Low power sleep mode
    • 3-µA (maximum) at VVM = 24-V, TA = 25°C
  • Speed loop accuracy: 3% with internal clock and 1% with external clock reference
  • Flexible device configuration options
    • MCT8316AV: I2C interface (EEPROM)
    • MCT8316AT: Hardware pin based configuration
  • Supports up to 100-kHz PWM frequency for low inductance motor support
  • Does not require external current sense resistor
  • Built-in 3.3-V ±5%, 20-mA LDO regulator
  • Built-in 3.3-V/5-V, 170-mA buck regulator
  • Dedicated DRVOFF pin to disable (Hi-Z) outputs
  • Spread spectrum and slew rate for EMI mitigation
  • Suite of Integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Motor lock detection (5 different types)
    • Overcurrent protection (OCP)
    • Thermal warning and shutdown (OTW/TSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over I2C interface
  • Three-phase BLDC motor driver with integrated sensorless motor control algorithm
    • Code-free high speed Trapezoidal Control
    • Supports upto 3 kHz (electrical frequency)
    • Very fast startup time (<50 ms)
    • Fast Deceleration (<150 ms)
    • Supports 120° or 150° modulation to improve acoustic performance
    • Windmilling support through forward resynchronization and reverse drive
    • Analog, PWM, freq. or I2C based speed input
    • Active Demagnetization to reduce power losses
    • Configurable motor startup and stop options
    • Optional closed loop speed control
    • Anti-voltage surge protections prevents overvoltage
    • Variable monitoring through DACOUT
  • 4.5- to 35-V operating voltage (40-V abs max)
  • High output current capability: 8-A peak
  • Low MOSFET on-state resistance
    • 95-mΩ RDS(ON) (HS + LS) at TA = 25°C
  • Low power sleep mode
    • 3-µA (maximum) at VVM = 24-V, TA = 25°C
  • Speed loop accuracy: 3% with internal clock and 1% with external clock reference
  • Flexible device configuration options
    • MCT8316AV: I2C interface (EEPROM)
    • MCT8316AT: Hardware pin based configuration
  • Supports up to 100-kHz PWM frequency for low inductance motor support
  • Does not require external current sense resistor
  • Built-in 3.3-V ±5%, 20-mA LDO regulator
  • Built-in 3.3-V/5-V, 170-mA buck regulator
  • Dedicated DRVOFF pin to disable (Hi-Z) outputs
  • Spread spectrum and slew rate for EMI mitigation
  • Suite of Integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Motor lock detection (5 different types)
    • Overcurrent protection (OCP)
    • Thermal warning and shutdown (OTW/TSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over I2C interface

The MCT8316A provides a single-chip, code-free sensorless trapezoidal solution for customers requiring high speed operation (up to 3kHz electrical) or very fast startup time (<50ms) for 12- to 24-V brushless-DC motors up to 8-A peak current. The MCT8316A integrates three 1/2-H bridges with 40-V absolute maximum capability and a very low RDS(ON) of 95 mΩ (high-side + low-side). Power management features of an adjustable buck regulator and LDO generate the 3.3-V or 5.0-V voltage rails for the device and can be used to power external circuits.

Sensorless trapezoidal control is highly configurable through register settings (MCT8316AV) or hardware pins (MCT8316AT) ranging from motor start-up behavior to closed loop operation. Register settings for MCT8316AV can be set in non-volatile EEPROM, which allows the device to operate stand-alone once it has been configured. The device receives a speed command through a PWM input, analog voltage, variable frequency square wave or I2C command. There are a large number of protection features integrated into the MCT8316A, intended to protect the device, motor, and system against fault events.

Documentation for reference:

The MCT8316A provides a single-chip, code-free sensorless trapezoidal solution for customers requiring high speed operation (up to 3kHz electrical) or very fast startup time (<50ms) for 12- to 24-V brushless-DC motors up to 8-A peak current. The MCT8316A integrates three 1/2-H bridges with 40-V absolute maximum capability and a very low RDS(ON) of 95 mΩ (high-side + low-side). Power management features of an adjustable buck regulator and LDO generate the 3.3-V or 5.0-V voltage rails for the device and can be used to power external circuits.

Sensorless trapezoidal control is highly configurable through register settings (MCT8316AV) or hardware pins (MCT8316AT) ranging from motor start-up behavior to closed loop operation. Register settings for MCT8316AV can be set in non-volatile EEPROM, which allows the device to operate stand-alone once it has been configured. The device receives a speed command through a PWM input, analog voltage, variable frequency square wave or I2C command. There are a large number of protection features integrated into the MCT8316A, intended to protect the device, motor, and system against fault events.

Documentation for reference:

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类型 标题 下载最新的英文版本 日期
* 数据表 MCT8316A High Speed Sensorless Trapezoidal Control Integrated FET BLDC Driver 数据表 (Rev. A) 2021年 12月 3日
用户指南 MCT8316A Tuning Guide (Rev. A) 2021年 12月 20日
技术文章 Understanding brushless-DC motor systems, part 2 2021年 10月 20日
技术文章 Understanding brushless-DC motor systems, part 1 2021年 10月 18日
用户指南 MCT8316H Tuning Guide 2021年 9月 29日
技术文章 3 ways to speed cycle time when designing with brushless-DC motors 2021年 9月 7日
应用手册 Comparing Acoustics Performance in Sine, Trap and FOC 2021年 8月 31日
用户指南 MCT8316AEVM 评估模块用户指南 2021年 8月 30日
技术文章 A basic brushless gate driver design – part 3: integrated vs. discrete half bridges 2020年 12月 16日

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