Startseite Motortreiber Treiber für bürstenlose Gleichstrommotoren (BLDC) BLDC-Treiber mit integrierter Steuerung
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Motortreiber
Treiber für bürstenlose Gleichstrommotoren (BLDC)
BLDC-Treiber mit integrierter Steuerung

MCT8315A

AKTIV

3-Phasen-BLDC-Motortreiber, max. 40 V, 4 A Spitzenstrom, sensorlose Trapezregelung

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Datenblatt

MCT8315A

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Catalog Architecture Integrated FET Control topology Sensorless, Trapezoidal Control interface 1xPWM, Analog, Serial Vs (min) (V) 4.5 Vs ABS (max) (V) 40 Features 120 or 150 degree modulation for improved acoustic performance, Active Demag to reduce power losses, 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 Integrated FET Control topology Sensorless, Trapezoidal Control interface 1xPWM, Analog, Serial Vs (min) (V) 4.5 Vs ABS (max) (V) 40 Features 120 or 150 degree modulation for improved acoustic performance, Active Demag to reduce power losses, 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
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 up to 3 kHz (electrical frequency)
    • Very fast start-up 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 I 2C based speed input
    • Active Demagnetization to reduce power losses
    • Configurable motor start-up and stop options
    • Closed speed/power loop options
    • Anti-voltage surge (AVS) protection prevents DC bus voltage spike during motor deceleration
  • 4.5- to 35-V operating voltage (40-V abs max)
  • High output current capability: 4-A peak
  • Low MOSFET on-state resistance
    • R DS(ON) (HS + LS) at T A = 25°C : 240-mΩ (typ.)
  • Low power sleep mode
    • 5-µA (maximum) at V VM = 24-V, T A = 25°C
  • Speed loop accuracy: 3% with internal clock and 1% with external clock reference
  • Customer-configurable non-volatile memory (EEPROM) to store device configuration
  • Supports up to 100-kHz PWM frequency for low inductance motor support
  • Does not require external current sense resistors; uses built-in current sensing
  • Built-in 3.3-V, 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 under voltage lockout (UVLO)
    • Supply over voltage protection (OVP)
    • Motor lock detection (5 different types)
    • Over current protection (OCP)
    • Thermal warning and shutdown (OTW/TSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over I 2C interface
  • Three-phase BLDC motor driver with integrated sensorless motor control algorithm
    • Code-free high speed Trapezoidal Control
    • Supports up to 3 kHz (electrical frequency)
    • Very fast start-up 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 I 2C based speed input
    • Active Demagnetization to reduce power losses
    • Configurable motor start-up and stop options
    • Closed speed/power loop options
    • Anti-voltage surge (AVS) protection prevents DC bus voltage spike during motor deceleration
  • 4.5- to 35-V operating voltage (40-V abs max)
  • High output current capability: 4-A peak
  • Low MOSFET on-state resistance
    • R DS(ON) (HS + LS) at T A = 25°C : 240-mΩ (typ.)
  • Low power sleep mode
    • 5-µA (maximum) at V VM = 24-V, T A = 25°C
  • Speed loop accuracy: 3% with internal clock and 1% with external clock reference
  • Customer-configurable non-volatile memory (EEPROM) to store device configuration
  • Supports up to 100-kHz PWM frequency for low inductance motor support
  • Does not require external current sense resistors; uses built-in current sensing
  • Built-in 3.3-V, 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 under voltage lockout (UVLO)
    • Supply over voltage protection (OVP)
    • Motor lock detection (5 different types)
    • Over current protection (OCP)
    • Thermal warning and shutdown (OTW/TSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over I 2C interface

The MCT8315A provides a single-chip, code-free sensorless trapezoidal solution for customers requiring high speed operation (up to 3 kHz electrical) or very fast start-up time (< 50 ms) for 12- to 24-V brushless-DC motors requiring up to 4-A peak current. The MCT8315A integrates three ½-bridges with 40-V absolute maximum capability and a low R DS(ON) of 240 mΩ (high-side + low-side FETs). MCT8315A integrates power management circuits including an voltage-adjustable buck regulator (3.3 V / 5 V, 170-mA) and LDO (3.3 V, 20 mA) that can be used to power external circuits.

Sensorless trapezoidal control is highly configurable (motor start-up/stop behavior, fault handling, closed loop operation) through register settings in a non-volatile EEPROM, which allows the device to operate stand-alone once it has been configured. The MCT8315A receives a speed command through a PWM signal, analog voltage, variable frequency square wave or I 2C instruction. There are a large number of protection features integrated into the MCT8315A to protect the device, motor, and system against fault events.

Documentation for reference:

The MCT8315A provides a single-chip, code-free sensorless trapezoidal solution for customers requiring high speed operation (up to 3 kHz electrical) or very fast start-up time (< 50 ms) for 12- to 24-V brushless-DC motors requiring up to 4-A peak current. The MCT8315A integrates three ½-bridges with 40-V absolute maximum capability and a low R DS(ON) of 240 mΩ (high-side + low-side FETs). MCT8315A integrates power management circuits including an voltage-adjustable buck regulator (3.3 V / 5 V, 170-mA) and LDO (3.3 V, 20 mA) that can be used to power external circuits.

Sensorless trapezoidal control is highly configurable (motor start-up/stop behavior, fault handling, closed loop operation) through register settings in a non-volatile EEPROM, which allows the device to operate stand-alone once it has been configured. The MCT8315A receives a speed command through a PWM signal, analog voltage, variable frequency square wave or I 2C instruction. There are a large number of protection features integrated into the MCT8315A to protect the device, motor, and system against fault events.

Documentation for reference:

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Technische Dokumentation

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Typ Titel Datum
* Data sheet MCT8315A High Speed Sensorless Trapezoidal Control Integrated FET BLDC Driver datasheet (Rev. A) PDF | HTML 14 Apr 2023
User guide MCT8315A Tuning Guide PDF | HTML 04 Jan 2023
Certificate MCT8315EVM EU RoHS Declaration of Conformity (DoC) 21 Dez 2022
Technical article How to achieve efficient, reliable and accurate actuation in real-time motor contr PDF | HTML 25 Okt 2022

Design und Entwicklung

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Evaluierungsplatine

MCT8315EVM — Evaluierungsmodul MCT8315 für dreiphasigen sensorlosen trapezförmigen integriertem MOSFET BLDC-Motor

Der MCT8315 verfügt über drei integrierte MOSFET-Halb-H-Brücken-Treiber zur sensorlosen Trapezsteuerung eines dreiphasigen bürstenlosen Gleichstrommotors (BLDC) für 4,5 V bis 35 V, 5 A Spitzenstromansteuerung. Der MCT8315A hat einen integrierten Abwärtsregler, der 200 mA mit programmierbarer (...)

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GUI für Evaluierungsmodul (EVM)

MCT8315A-GUI — GUI for MCT8315EVM

GUI used to evaluate MCT8315A on the MCT8315EVM
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Produkte
BLDC-Treiber mit integrierter Steuerung
MCT8315A — 3-Phasen-BLDC-Motortreiber, max. 40 V, 4 A Spitzenstrom, sensorlose Trapezregelung
Hardware-Entwicklung
Evaluierungsplatine
MCT8315EVM — Evaluierungsmodul MCT8315 für dreiphasigen sensorlosen trapezförmigen integriertem MOSFET BLDC-Motor
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  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
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