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DRV8316C

ACTIVE

40-V max 8-A peak 3-phase motor driver with integrated current sensing, FETs, and enhanced CSA specs

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Data sheet

DRV8316C

ACTIVE
Data sheet Order now

Product details

Rating Catalog Architecture Integrated FET Control interface 3xPWM, 6xPWM RDS(ON) (HS + LS) (mΩ) 95 Peak output current (A) 8 Vs (min) (V) 4.5 Vs ABS (max) (V) 40 Features Integrated FETs Operating temperature range (°C) -40 to 125
Rating Catalog Architecture Integrated FET Control interface 3xPWM, 6xPWM RDS(ON) (HS + LS) (mΩ) 95 Peak output current (A) 8 Vs (min) (V) 4.5 Vs ABS (max) (V) 40 Features Integrated FETs Operating temperature range (°C) -40 to 125
VQFN (RGF) 40 35 mm² 7 x 5
  • Three-phase BLDC motor driver
    • 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
  • Multiple control interface options
    • 6x PWM control interface
    • 3x PWM control interface
    • 6x PWM control interface with cycle by cycle current limit
    • 3x PWM control interface with cycle by cycle current limit
  • Does not require external current sense resistors, built-in current sensing
  • Flexible device configuration options
    • DRV8316CR: 5-MHz 16-bit SPI interface for device configuration and fault status
    • DRV8316CT: 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
  • Built-in 3.3-V, 30-mA LDO
  • Delay compensation reduces duty cycle distortion
  • Suite of integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal warning and shutdown (OTW/OTSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over SPI interface
  • Three-phase BLDC motor driver
    • 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
  • Multiple control interface options
    • 6x PWM control interface
    • 3x PWM control interface
    • 6x PWM control interface with cycle by cycle current limit
    • 3x PWM control interface with cycle by cycle current limit
  • Does not require external current sense resistors, built-in current sensing
  • Flexible device configuration options
    • DRV8316CR: 5-MHz 16-bit SPI interface for device configuration and fault status
    • DRV8316CT: 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
  • Built-in 3.3-V, 30-mA LDO
  • Delay compensation reduces duty cycle distortion
  • Suite of integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal warning and shutdown (OTW/OTSD)
    • Fault condition indication pin (nFAULT)
    • Optional fault diagnostics over SPI interface

DRV8316C integrates three H-bridges with 40-V absolute maximum capability and a very low RDS(ON) of 95 mΩ (high-side + low-side) to enable high power drive capability for 12-V/24-V brushless-DC motors. DRV8316C provides integrated current sensing which eliminates the need for external sense resistors. DRV8316C integrates power management circuits including an voltage-adjustable buck regulator (3.3 V / 5 V, 200-mA) and LDO (3.3 V / 30 mA) that can be used to power external circuits.

DRV8316C provides a configurable 6x or 3x PWM control scheme which can be used to implement sensored or sensorless field-oriented control (FOC), sinusoidal control, or trapezoid control using an external microcontroller. DRV8316C is capable of driving a PWM frequency of up to 200 kHz. DRV8316C is highly configurable either through SPI (DRV8316CR) or pins (DRV8316CT) - PWM mode. slew rate, OCP level, current sense gain are some of the configurable features.

A number of protection features including supply undervoltage lockout (UVLO), overvoltage protection (OVP), charge pump undervoltage (CPUV), overcurrent protection (OCP), over-temperature warning (OTW) and over-temperature shutdown (OTSD) are integrated into DRV8316C to protect the device, motor, and system against fault events. Fault conditions are indicated by the nFAULT pin.

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

DRV8316C integrates three H-bridges with 40-V absolute maximum capability and a very low RDS(ON) of 95 mΩ (high-side + low-side) to enable high power drive capability for 12-V/24-V brushless-DC motors. DRV8316C provides integrated current sensing which eliminates the need for external sense resistors. DRV8316C integrates power management circuits including an voltage-adjustable buck regulator (3.3 V / 5 V, 200-mA) and LDO (3.3 V / 30 mA) that can be used to power external circuits.

DRV8316C provides a configurable 6x or 3x PWM control scheme which can be used to implement sensored or sensorless field-oriented control (FOC), sinusoidal control, or trapezoid control using an external microcontroller. DRV8316C is capable of driving a PWM frequency of up to 200 kHz. DRV8316C is highly configurable either through SPI (DRV8316CR) or pins (DRV8316CT) - PWM mode. slew rate, OCP level, current sense gain are some of the configurable features.

A number of protection features including supply undervoltage lockout (UVLO), overvoltage protection (OVP), charge pump undervoltage (CPUV), overcurrent protection (OCP), over-temperature warning (OTW) and over-temperature shutdown (OTSD) are integrated into DRV8316C to protect the device, motor, and system against fault events. Fault conditions are indicated by the nFAULT pin.

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

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* Data sheet DRV8316C Three-Phase Integrated FET Motor Driver datasheet PDF | HTML 14 Sep 2022

Design & development

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The DRV8316REVM provides three half-H-bridge integrated MOSFET drivers for driving a three-phase brushless DC (BLDC) motor with 8-A Peak current drive, for 12-V/24-V DC rails or battery powered applications. 

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MCF8316A — 40-V max, 8-A peak, sensorless FOC control 3-phase BLDC motor driver MCF8316C-Q1 — Automotive, 40-V max, 8-A peak, sensorless field oriented control (FOC) 3-phase BLDC motor driver MCT8316A — 40-V max, 8-A peak, sensorless trapezoidal control 3-phase BLDC motor driver MCT8316A-Q1 — Automotive, 40V max, 8A peak, sensorless trapezoidal control 3-phase BLDC motor driver MCT8316Z — 40-V max, 8-A peak, sensored trapezoidal control 3-phase BLDC motor driver MCT8316Z-Q1 — Automotive 40-V max, 8-A peak, sensored trapezoidal control 3-phase BLDC motor driver
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Design guide: PDF
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VQFN (RGF) 40 Ultra Librarian
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