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MC111

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具有整合式霍爾感測器的 20-V、1-A 峰值單相 BLDC 馬達驅動器

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MC111

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產品詳細資料

Rating Catalog Operating temperature range (°C) to
Rating Catalog Operating temperature range (°C) to
SOT-23-THN (DYM) 6 11.02 mm² 2.9 x 3.8
  • N-channel H-bridge driver with internal Hall sensor
  • RDS(ON): 850mΩ (HS+LS)
  • Current rating
    • Configurable current limit up to 1.21A
    • 0.6A rms (TA = 85oC, RθJA = 100oC/W)
  • Integrated supply (VM) clamp
  • Configurable speed curve and starting duty cycle
  • Commutation schemes: square or soft (up to 90o)
    • Square: maximum torque/speed
    • Soft: optimized speed and acoustics
  • Configurable speed reference input: PWM or DC
    • Input PWM frequency range: 20 Hz to 90 kHz
    • Input DC voltage range: (0-3)V
  • Configurable output PWM frequency: 25 or 50kHz
  • Closed loop speed control accuracy: ±3%
  • PWM dithering to reduce EMI
  • Configurable soft start time
  • Configurable hall offset angle and time
  • Speed output with 0.5x, 1x, 2/3x, or 2x multipliers
  • Rotor lock detection output (RD)
  • Configurable PWM modes
    • Synchronous, asynchronous and hybrid
  • Auto-demag for high efficiency across speed
  • One-time programming (2 pages) over I2C
  • Protection features
    • Overcurrent protection for short between VM/GND and OUTx
    • Locked rotor protection (LRP) with auto-restart
    • VM undervoltage lockout (UVLO)
    • VM overvoltage protection (OVP)
    • Thermal shutdown (TSD)
    • Configurable fault retry time
  • Functional features (Opeartion continues)
    • when short between FG/RD and GND
    • 100% input during short between PWM/DC and VM
  • N-channel H-bridge driver with internal Hall sensor
  • RDS(ON): 850mΩ (HS+LS)
  • Current rating
    • Configurable current limit up to 1.21A
    • 0.6A rms (TA = 85oC, RθJA = 100oC/W)
  • Integrated supply (VM) clamp
  • Configurable speed curve and starting duty cycle
  • Commutation schemes: square or soft (up to 90o)
    • Square: maximum torque/speed
    • Soft: optimized speed and acoustics
  • Configurable speed reference input: PWM or DC
    • Input PWM frequency range: 20 Hz to 90 kHz
    • Input DC voltage range: (0-3)V
  • Configurable output PWM frequency: 25 or 50kHz
  • Closed loop speed control accuracy: ±3%
  • PWM dithering to reduce EMI
  • Configurable soft start time
  • Configurable hall offset angle and time
  • Speed output with 0.5x, 1x, 2/3x, or 2x multipliers
  • Rotor lock detection output (RD)
  • Configurable PWM modes
    • Synchronous, asynchronous and hybrid
  • Auto-demag for high efficiency across speed
  • One-time programming (2 pages) over I2C
  • Protection features
    • Overcurrent protection for short between VM/GND and OUTx
    • Locked rotor protection (LRP) with auto-restart
    • VM undervoltage lockout (UVLO)
    • VM overvoltage protection (OVP)
    • Thermal shutdown (TSD)
    • Configurable fault retry time
  • Functional features (Opeartion continues)
    • when short between FG/RD and GND
    • 100% input during short between PWM/DC and VM

The MC111 is a 25V, 850mΩ rated motor driver with integrated N-channel full-bridge, charge pump, Hall sensor, commutation control logic, and protection circuitry for single phase brushless DC motors. The Hall sensor provides rotor position information to the commutation logic to maintain continuous rotor motion. The commutation logic can be programmed for square and soft PWM waveforms to reduce acoustic noise or maximize speed/efficiency.

The duty cycle of a pulse-width modulated signal or a (0-3)V DC voltage on the PWM/DC pin controls the motor speed. FG/RD pin can be configured to report the motor speed or a locked rotor condition to an external controller. The PWM/DC and FG/RD pins can be temporarily configured as an I2C interface to support a programming (OTP) mode to configure the OTP during production.

The MC111 integrates protection features for motor and device protection. These include supply undervoltage lockout, overvoltage protection, output overcurrent protection, device overtemperature shutdown, and locked rotor protection.

The MC111 is available in a 6-pin SOT23-FL package. SOT23-FL is a flat lead package with a maximum height of 1.1mm.

The MC111 is a 25V, 850mΩ rated motor driver with integrated N-channel full-bridge, charge pump, Hall sensor, commutation control logic, and protection circuitry for single phase brushless DC motors. The Hall sensor provides rotor position information to the commutation logic to maintain continuous rotor motion. The commutation logic can be programmed for square and soft PWM waveforms to reduce acoustic noise or maximize speed/efficiency.

The duty cycle of a pulse-width modulated signal or a (0-3)V DC voltage on the PWM/DC pin controls the motor speed. FG/RD pin can be configured to report the motor speed or a locked rotor condition to an external controller. The PWM/DC and FG/RD pins can be temporarily configured as an I2C interface to support a programming (OTP) mode to configure the OTP during production.

The MC111 integrates protection features for motor and device protection. These include supply undervoltage lockout, overvoltage protection, output overcurrent protection, device overtemperature shutdown, and locked rotor protection.

The MC111 is available in a 6-pin SOT23-FL package. SOT23-FL is a flat lead package with a maximum height of 1.1mm.
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* Data sheet MC111 25V , Single Phase BLDC Driver with Integrated Hall Sensor datasheet PDF | HTML 2025年 12月 2日

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開發板

MC121EVM — MC121 評估模組

MC121EVM 可協助使用者評估 MC121 與 MC121-Q1 單相 BLDC 驅動器的性能。EVM 包含板載 FTDI 晶片，可將 USB 通訊從 PC 轉換至 UART。板載 MSP430FR2355 微控制器 (MCU) 可將 UART 通訊轉換為控制訊號或 I2C 格式化資料，並傳送至應用 PCB 上的 MC121 或 MC121-Q1。具備許多使用者可選擇的跨接器、電阻器、連接器和測試點，有助於評估 MC121 或 MC121-Q1 的眾多功能，並配置裝置的專屬設定。
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MOTORSTUDIO — Motor Studio GUI for tuning and evaluating BLDC motor drivers

Motor Studio is an easy-to-use graphical user interface (GUI) that simplifies the tuning process of our brushless DC (BLDC) motor drivers to reduce device evaluation and product development time. The GUI allows users to quickly spin up their motors and optimize various stages of motor operation to (...)

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SOT-23-THN (DYM) 6 Ultra Librarian
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