Product details

Rating Automotive, Catalog Control method Trapezoidal Control Architecture Integrated FET Control interface 1xPWM RDS(ON) (HS + LS) (mOhms) 95 Peak output current (A) 8 Vs (Min) (V) 4.5 Vs ABS (Max) (V) 40 Features Integrated Motor Control, Integrated FETs, Buck Step Down Converter, LDO, Hardware management I/F, SPI/I2C, Teach/FG Feedback, Slew Rate Adjustment Operating temperature range (C) -40 to 125
Rating Automotive, Catalog Control method Trapezoidal Control Architecture Integrated FET Control interface 1xPWM RDS(ON) (HS + LS) (mOhms) 95 Peak output current (A) 8 Vs (Min) (V) 4.5 Vs ABS (Max) (V) 40 Features Integrated Motor Control, Integrated FETs, Buck Step Down Converter, LDO, Hardware management I/F, SPI/I2C, Teach/FG Feedback, Slew Rate Adjustment Operating temperature range (C) -40 to 125
VQFN (RGF) 40 35 mm² 7 x 5
  • 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: 5-MHz 16-bit SPI interface for device configuration and fault status
    • MCT8316ZT: 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
  • 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: 5-MHz 16-bit SPI interface for device configuration and fault status
    • MCT8316ZT: 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 provides a single-chip code-free sensored trapezoidal solution for customers driving 12- to 24-V brushless-DC motors. The MCT8316Z 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 implements sensored trapezoidal control in a fixed-function state machine, so an external microcontroller is not required to spin the brushless-DC motor. The 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, 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 provides a single-chip code-free sensored trapezoidal solution for customers driving 12- to 24-V brushless-DC motors. The MCT8316Z 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 implements sensored trapezoidal control in a fixed-function state machine, so an external microcontroller is not required to spin the brushless-DC motor. The 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, intended to protect the device, motor, and system against fault events.

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

Download

Technical documentation

star = Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 9
Type Title Date
* Data sheet MCT8316Z Sensored Trapezoidal Integrated FET BLDC Motor Driver datasheet (Rev. A) 20 Sep 2021
Technical article Understanding brushless-DC motor systems, part 2 20 Oct 2021
Technical article Understanding brushless-DC motor systems, part 1 18 Oct 2021
Application note Delay and Dead Time in Integrated MOSFET Drivers 23 Aug 2021
User guide MCT8316ZTEVM Evaluation Module (Rev. A) 14 Jun 2021
Application note Brushless-DC Made Simple – Sensored Motor Control (Rev. B) 13 Apr 2021
Technical article A basic brushless gate driver design – part 3: integrated vs. discrete half bridges 16 Dec 2020
Technical article Connectivity helps integrate intelligent motor control on a single MCU 06 Jun 2018
Application note How to Design a Thermally-Efficient Integrated BLDC Motor Drive PCB (Rev. A) 05 Feb 2017

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

MCT8316ZTEVM — Three half-H-bridge integrated MOSFET drivers for sensored BLDC trapezoidal control evaluation board

The MCT8316Z is a three half-H-bridge integrated MOSFET drivers for sensored trapezoidal control of a three-phase brushless DC (BLDC) motor for 12-V/24-V DC,  8-A Peak current drive. It integrates three analog hall comparators for rotor position sensing to achieve sensored trapezoidal BLDC (...)

Calculation tool

BLDC Integrated MOSFET Thermal Calculator

SLVRBI8.ZIP (126 KB)
Package Pins Download
VQFN (RGF) 40 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos