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DRV8350F

ACTIVE

102-V max 3-phase Functional Safety Quality-Managed smart gate driver

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Data sheet

DRV8350F

ACTIVE
Data sheet Order now

Product details

Rating Catalog Architecture Gate driver Control interface 1xPWM, 3xPWM, 6xPWM Gate drive (A) 1 Vs (min) (V) 9 Vs ABS (max) (V) 102 Features Hardware Management I/F, SPI/I2C, Smart Gate Drive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety Quality-Managed
Rating Catalog Architecture Gate driver Control interface 1xPWM, 3xPWM, 6xPWM Gate drive (A) 1 Vs (min) (V) 9 Vs ABS (max) (V) 102 Features Hardware Management I/F, SPI/I2C, Smart Gate Drive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety Quality-Managed
WQFN (RTV) 32 25 mm² 5 x 5
  • 9 to 100-V, Triple half-bridge gate driver
    • Optional triple low-side current shunt amplifiers
  • Functional Safety Quality-Managed
    • Documentation available to aid IEC 61800-5-2 functional safety system design
  • Smart gate drive architecture
    • Adjustable slew rate control for EMI performance
    • VGS handshake and minimum dead-time insertion to prevent shoot-through
    • 50-mA to 1-A peak source current
    • 100-mA to 2-A peak sink current
    • dV/dt mitigation through strong pulldown
  • Integrated gate driver power supplies
    • High-side doubler charge pump For 100% PWM duty cycle control
    • Low-side linear regulator
  • Integrated triple current shunt amplifiers
    • Adjustable gain (5, 10, 20, 40 V/V)
    • Bidirectional or unidirectional support
  • 6x, 3x, 1x, and independent PWM modes
    • Supports 120° sensored operation
  • SPI or hardware interface available
  • Low-power sleep mode (20 µA at VVM = 48-V)
  • Integrated protection features
    • VM undervoltage lockout (UVLO)
    • Gate drive supply undervoltage (GDUV)
    • MOSFET VDS overcurrent protection (OCP)
    • MOSFET shoot-through prevention
    • Gate driver fault (GDF)
    • Thermal warning and shutdown (OTW/OTSD)
    • Fault condition indicator (nFAULT)
  • 9 to 100-V, Triple half-bridge gate driver
    • Optional triple low-side current shunt amplifiers
  • Functional Safety Quality-Managed
    • Documentation available to aid IEC 61800-5-2 functional safety system design
  • Smart gate drive architecture
    • Adjustable slew rate control for EMI performance
    • VGS handshake and minimum dead-time insertion to prevent shoot-through
    • 50-mA to 1-A peak source current
    • 100-mA to 2-A peak sink current
    • dV/dt mitigation through strong pulldown
  • Integrated gate driver power supplies
    • High-side doubler charge pump For 100% PWM duty cycle control
    • Low-side linear regulator
  • Integrated triple current shunt amplifiers
    • Adjustable gain (5, 10, 20, 40 V/V)
    • Bidirectional or unidirectional support
  • 6x, 3x, 1x, and independent PWM modes
    • Supports 120° sensored operation
  • SPI or hardware interface available
  • Low-power sleep mode (20 µA at VVM = 48-V)
  • Integrated protection features
    • VM undervoltage lockout (UVLO)
    • Gate drive supply undervoltage (GDUV)
    • MOSFET VDS overcurrent protection (OCP)
    • MOSFET shoot-through prevention
    • Gate driver fault (GDF)
    • Thermal warning and shutdown (OTW/OTSD)
    • Fault condition indicator (nFAULT)

The DRV835xF family of devices are highly-integrated gate drivers for three-phase brushless DC (BLDC) motor applications. The device variants provide optional integrated current shunt amplifiers to support different motor control schemes.

The DRV835xF uses smart gate drive (SGD) architecture to decrease the number of external components that are typically necessary for MOSFET slew rate control and protection circuits. The SGD architecture also optimizes dead time to prevent shoot-through conditions, provides flexibility in decreasing electromagnetic interference (EMI) by MOSFET slew rate control, and protects against gate short circuit conditions through VGS monitors. A strong gate pulldown circuit helps prevent unwanted dV/dt parasitic gate turn on events

Various PWM control modes (6x, 3x, 1x, and independent) are supported for simple interfacing to the external controller. These modes can decrease the number of outputs required of the controller for the motor driver PWM control signals. This family of devices also includes 1x PWM mode for simple sensored trapezoidal control of a BLDC motor by using an internal block commutation table.

The DRV835xF family of devices are highly-integrated gate drivers for three-phase brushless DC (BLDC) motor applications. The device variants provide optional integrated current shunt amplifiers to support different motor control schemes.

The DRV835xF uses smart gate drive (SGD) architecture to decrease the number of external components that are typically necessary for MOSFET slew rate control and protection circuits. The SGD architecture also optimizes dead time to prevent shoot-through conditions, provides flexibility in decreasing electromagnetic interference (EMI) by MOSFET slew rate control, and protects against gate short circuit conditions through VGS monitors. A strong gate pulldown circuit helps prevent unwanted dV/dt parasitic gate turn on events

Various PWM control modes (6x, 3x, 1x, and independent) are supported for simple interfacing to the external controller. These modes can decrease the number of outputs required of the controller for the motor driver PWM control signals. This family of devices also includes 1x PWM mode for simple sensored trapezoidal control of a BLDC motor by using an internal block commutation table.
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Technical documentation

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Type Title Date
* Data sheet DRV835xF 100-V Three-Phase Smart Gate Driver datasheet (Rev. B) PDF | HTML 27 Aug 2021
Application brief 人形機器人的馬達控制 PDF | HTML 05 Feb 2025
Application brief 휴머노이드 로봇의 모터 컨트롤 PDF | HTML 05 Feb 2025
Application note Relating Payload to Brushless DC Motor Driver Specifications PDF | HTML 02 Dec 2024
Application brief Motor Control in Humanoid Robots PDF | HTML 13 Nov 2024
Application note System Design Considerations for High-Power Motor Driver Applications PDF | HTML 22 Jun 2021
Functional safety information Design Smaller Safe Torque Off (STO) Systems Using 3-Phase Smart Gate Drivers PDF | HTML 04 Mar 2021
Analog Design Journal Implementing STO functionality w/ diagnostic and monitoring for ind. motor drive 30 Sep 2019

Design & development

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

Evaluation board

DRV8350H-EVM — DRV8350H three-phase smart gate driver evaluation module

The DRV8350H-EVM is a 15A, 3-phase brushless DC drive stage based on the DRV8350H gate driver and CSD19532Q5B NexFET™ power blocks. 

The module has individual DC bus and phase voltage sense as well as an external, individual low-side current shunt amplifier, making this evaluation module ideal for (...)

User guide: PDF
Not available on TI.com
Evaluation board

DRV8350S-EVM — DRV8350S three-phase smart gate driver evaluation module

The DRV8350S-EVM is a 15A, 3-phase brushless DC drive stage based on the DRV8350S gate driver and CSD19532Q5B NexFET™ power blocks. 

The module has individual DC bus and phase voltage sense as well as an external, individual low-side current shunt amplifier, making this evaluation module ideal for (...)

User guide: PDF
Not available on TI.com
Calculation tool

BLDC-MAX-QG-MOSFET-CALCULATOR — Calculate the maximum QG MOSFET for your motor driver

Calculate the maximum QG MOSFET that can be driven based on the PWM switching frequency, algorithm type, and additional external capacitance.
Supported products & hardware

Supported products & hardware

Products
BLDC drivers
  • DRV8320 — 65-V max 3-phase smart gate driver
  • DRV8320R — 65-V max 3-phase smart gate driver with buck regulator
  • DRV8323 — 65-V max 3-phase smart gate driver with current shunt amplifiers
  • DRV8323R — 65-V max 3-phase smart gate driver with buck regulator & current shunt amplifiers
  • DRV8329 — 60V three-phase gate driver with single current-sense amplifier
  • DRV8329-Q1 — Automotive 60V three-phase gate driver with single current-sense amplifier
  • DRV8334 — 60-V 1000-mA to 2000-mA 3-phase gate driver with accurate current sensing
  • DRV8340-Q1 — Automotive 12-V to 24-V battery 3-phase smart gate driver
  • DRV8343-Q1 — Automotive 12-V to 24-V battery 3-phase smart gate driver with current shunt amplifiers
  • DRV8350 — 102-V max 3-phase smart gate driver
  • DRV8350F — 102-V max 3-phase Functional Safety Quality-Managed smart gate driver
  • DRV8350R — 102-V max 3-phase smart gate driver with buck regulator
  • DRV8353 — 102-V max 3-phase smart gate driver with current shunt amplifiers
  • DRV8353F — 102-V max 3-phase Functional Safety Quality-Managed smart gate driver with 3x CSA
  • DRV8353M — 102-V max 3-phase smart gate driver with current shunt amplifiers and extended temperature
  • DRV8353R — 102-V max 3-phase smart gate driver with buck regulator & current shunt amplifiers
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