MCT8316Z-Q1

アクティブ

車載対応、最大 40V、8A ピーク、センサレス矩形波制御 3 相 BLDC モーター ドライバ

製品詳細

Rating Automotive 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, OCP, OTW/OTSD, Anti-voltage surge, Stand-alone operation (no external MCU needed), Supports up to 200-kHz PWM frequency Operating temperature range (°C) -40 to 125
Rating Automotive 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, OCP, OTW/OTSD, Anti-voltage surge, Stand-alone operation (no external MCU needed), Supports up to 200-kHz PWM frequency Operating temperature range (°C) -40 to 125
VQFN (RGF) 40 35 mm² (7 mm × 5 mm)
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C ≤ TA ≤ 125°C
  • Three-phase BLDC motor driver with integrated Sensored Trapezoidal control
    • Hall Sensor based Trapezodial (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: 8-A Peak
  • Low MOSFET on-state resistance
    • 95-mΩ RDS(ON) (HS + LS) at TA = 25°C
  • Low power sleep mode
    • 1.5-µA at VVM = 24-V, TA = 25°C
  • Integrated built-in current sense
    • Doesn’t require external current sense resistors
  • Flexible device configuration options
    • MCT8316ZR-Q1: 5-MHz 16-bit SPI interface for device configuration and fault status
    • MCT8316ZT-Q1: Hardware pin based configuration
  • Supports 1.8-V, 3.3-V, and 5-V logic inputs
  • Built-in 3.3-V (5%), 30-mA LDO regulator
  • Built-in 3.3-V/5-V, 200-mA buck 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/OTSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over SPI interface
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C ≤ TA ≤ 125°C
  • Three-phase BLDC motor driver with integrated Sensored Trapezoidal control
    • Hall Sensor based Trapezodial (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: 8-A Peak
  • Low MOSFET on-state resistance
    • 95-mΩ RDS(ON) (HS + LS) at TA = 25°C
  • Low power sleep mode
    • 1.5-µA at VVM = 24-V, TA = 25°C
  • Integrated built-in current sense
    • Doesn’t require external current sense resistors
  • Flexible device configuration options
    • MCT8316ZR-Q1: 5-MHz 16-bit SPI interface for device configuration and fault status
    • MCT8316ZT-Q1: Hardware pin based configuration
  • Supports 1.8-V, 3.3-V, and 5-V logic inputs
  • Built-in 3.3-V (5%), 30-mA LDO regulator
  • Built-in 3.3-V/5-V, 200-mA buck 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/OTSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over SPI interface

The MCT8316Z-Q1 provides a single-chip code-free sensored trapezoidal solution for customers driving 12-V brushless-DC motors in automotive. The MCT8316Z-Q1 integrates three 1/2-H bridges with 40-V absolute maximum capability and a very low RDS(ON) of 95 mOhms (high-side and low-side combined) to enable high power drive capability. Current is sensed using an integrated current sensing feature which eliminates the need for external sense resistors. Power management features of an adjustable buck regulator and LDO generate the necessary voltage rails for the device and can be used to power external circuits.

MCT8316Z-Q1 implements sensored trapezoidal control in a fixed-function state machine, so an external microcontroller is not required to spin the brushless-DC motor. The MCT8316Z-Q1 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 register 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 MCT8316Z-Q1, intended to protect the device, motor, and system against fault events.

Refer Section 9.1 for design consideration and recommendation on device usage.

The MCT8316Z-Q1 provides a single-chip code-free sensored trapezoidal solution for customers driving 12-V brushless-DC motors in automotive. The MCT8316Z-Q1 integrates three 1/2-H bridges with 40-V absolute maximum capability and a very low RDS(ON) of 95 mOhms (high-side and low-side combined) to enable high power drive capability. Current is sensed using an integrated current sensing feature which eliminates the need for external sense resistors. Power management features of an adjustable buck regulator and LDO generate the necessary voltage rails for the device and can be used to power external circuits.

MCT8316Z-Q1 implements sensored trapezoidal control in a fixed-function state machine, so an external microcontroller is not required to spin the brushless-DC motor. The MCT8316Z-Q1 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 register 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 MCT8316Z-Q1, intended to protect the device, motor, and system against fault events.

Refer Section 9.1 for design consideration and recommendation on device usage.

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上位の文書 タイプ タイトル フォーマットオプション 最新の英語版をダウンロード 日付
* データシート MCT8316Z-Q1 Sensored Trapezoidal Integrated FET BLDC Motor Driver データシート PDF | HTML 2021/12/07
アプリケーション概要 MCx8316x for Vacuum Robot Applications PDF | HTML 2022/09/09
技術記事 Achieving a 360-degree field of view in mechanically scanning lidar with BLDC moto PDF | HTML 2022/01/27
証明書 MCT8316ZT-Q1EVM EU RoHS Declaration of Conformity (DoC) 2021/12/06

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評価ボード

MCT8316ZTEVM — センサ搭載 BLDC 矩形波制御向け、MOSFET を内蔵した 3 個のハーフ H ブリッジ ドライバの評価ボード

MCT8316Z は、MOSFET を内蔵した 3 個の H ブリッジ ドライバを実装しており、12V/24V DC を使用して 8A のピーク電流を供給し、3 相ブラシレス DC (BLDC) モーターをセンサ搭載の矩形波で制御することを意図しています。回転子の位置をセンスするために 3 個のアナログ ホール コンパレータを統合しており、センサ搭載の矩形波 BLDC モーター制御を実現できます。MCT8316Z が採用している降圧レギュレータは、200mA をサポートでき、レギュレーション済み電源電圧はプログラマブルです。

この評価基板 (EVM) は、オンボードの MSP430 である (...)

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BLDC-MOSFET-THERMAL-CALC — BLDC integrated MOSFET driver thermal calculator tool

Calculates the thermals of a BLDC integrated MOSFET driver based on user input system parameters
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