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MCF8315C-Q1

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Automotive, 40V max, 4A peak, sensorless field-oriented control (FOC) three-phase BLDC motor driver

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Data sheet

MCF8315C-Q1

ACTIVE
Data sheet Order now

Product details

Rating Automotive Architecture Integrated FET Control topology Field-oriented control (FOC), Sensorless Control interface 1xPWM, Analog, Serial Vs (min) (V) 4.5 Vs ABS (max) (V) 40 Features 5-point configurable speed profile support, Anti-voltage surge protections prevents overvoltage, Code-free Field Oriented Control (FOC), Configurable motor startup and stop options, Improved acoustic performance with automatic dead time compensation, Offline motor parameters measurement with Motor Parameter Extraction Tool (MPET), Variable monitoring through DACOUT, Windmilling support through forward resynchronization and reverse drive Operating temperature range (°C) -40 to 125
Rating Automotive Architecture Integrated FET Control topology Field-oriented control (FOC), Sensorless Control interface 1xPWM, Analog, Serial Vs (min) (V) 4.5 Vs ABS (max) (V) 40 Features 5-point configurable speed profile support, Anti-voltage surge protections prevents overvoltage, Code-free Field Oriented Control (FOC), Configurable motor startup and stop options, Improved acoustic performance with automatic dead time compensation, Offline motor parameters measurement with Motor Parameter Extraction Tool (MPET), 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 WQFN (RRY) 32 24 mm² 6 x 4
  • Three-phase BLDC motor driver with integrated sensorless motor control algorithm
    • Code-free Field Oriented Control (FOC)
    • Offline motor parameters measurement with Motor Parameter Extraction Tool (MPET)
    • 5-point configurable speed profile support
    • Windmilling support through forward resynchronization and reverse drive
    • Analog, PWM, freq. or I2C based speed input
    • Configurable motor start-up and stop options
    • Anti-voltage surge (AVS) protection
    • Improved acoustic performance with automatic dead time compensation
    • Variable monitoring through DACOUT pin
  • 4.5 to 35V operating voltage (40V abs max)
  • High (peak) output current capability: 4A
  • Low MOSFET on-state resistance
    • RGF: RDS(ON)(H+L) at TJ = 25°C: 240mΩ (typ.)
    • RRY: RDS(ON)(H+L) at TJ = 25°C: 250mΩ (typ.)
  • Low power sleep mode: refer to
    • 5µA (maximum) at VVM = 24V, TA = 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 60kHz PWM frequency for low inductance motor support
  • Does not require external current sense resistors; uses built-in current sensing
  • Built-in 3.3V, 20mA LDO regulator
  • Built-in 3.3V/5V, 170mA buck regulator
  • Dedicated DRVOFF pin to disable (Hi-Z) outputs
  • Spread spectrum and slew rate for EMI mitigation
  • A suite of integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Supply overvoltage 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 I2C interface
  • Three-phase BLDC motor driver with integrated sensorless motor control algorithm
    • Code-free Field Oriented Control (FOC)
    • Offline motor parameters measurement with Motor Parameter Extraction Tool (MPET)
    • 5-point configurable speed profile support
    • Windmilling support through forward resynchronization and reverse drive
    • Analog, PWM, freq. or I2C based speed input
    • Configurable motor start-up and stop options
    • Anti-voltage surge (AVS) protection
    • Improved acoustic performance with automatic dead time compensation
    • Variable monitoring through DACOUT pin
  • 4.5 to 35V operating voltage (40V abs max)
  • High (peak) output current capability: 4A
  • Low MOSFET on-state resistance
    • RGF: RDS(ON)(H+L) at TJ = 25°C: 240mΩ (typ.)
    • RRY: RDS(ON)(H+L) at TJ = 25°C: 250mΩ (typ.)
  • Low power sleep mode: refer to
    • 5µA (maximum) at VVM = 24V, TA = 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 60kHz PWM frequency for low inductance motor support
  • Does not require external current sense resistors; uses built-in current sensing
  • Built-in 3.3V, 20mA LDO regulator
  • Built-in 3.3V/5V, 170mA buck regulator
  • Dedicated DRVOFF pin to disable (Hi-Z) outputs
  • Spread spectrum and slew rate for EMI mitigation
  • A suite of integrated protection features
    • Supply undervoltage lockout (UVLO)
    • Supply overvoltage 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 I2C interface

The MCF8315C-Q1 provides a single-chip, code-free sensorless FOC design for customers driving speed-controlled 12 to 24V brushless-DC motors (BLDC) or Permanent Magnet Synchronous motor (PMSM) up to 4A peak current. The MCF8315C-Q1 integrates three ½-bridges with 40V absolute maximum capability and a low RDS(ON) of 240/250mΩ (high-side + low-side FETs). MCF8315C-Q1 integrates power management circuits including a voltage-adjustable buck regulator (3.3V/5V, 170mA) and LDO (3.3V/20mA) that can be used to power external circuits.

The FOC algorithm configuration can be stored in non-volatile EEPROM, which allows the device to operate standalone after the device is configured. The device receives a speed command through a PWM input, analog voltage, variable frequency square wave or I2C command. There are a large number of protection features integrated into the MCF8315C-Q1, intended to protect the device, motor, and system against fault events.

MCF8315C-Q1 is available in two packages: 40-pin 7mm × 5mm wettable-flank QFN (RGF) and 32-pin 6mm × 4mm wettable-flank QFN (RRY).

The MCF8315C-Q1 provides a single-chip, code-free sensorless FOC design for customers driving speed-controlled 12 to 24V brushless-DC motors (BLDC) or Permanent Magnet Synchronous motor (PMSM) up to 4A peak current. The MCF8315C-Q1 integrates three ½-bridges with 40V absolute maximum capability and a low RDS(ON) of 240/250mΩ (high-side + low-side FETs). MCF8315C-Q1 integrates power management circuits including a voltage-adjustable buck regulator (3.3V/5V, 170mA) and LDO (3.3V/20mA) that can be used to power external circuits.

The FOC algorithm configuration can be stored in non-volatile EEPROM, which allows the device to operate standalone after the device is configured. The device receives a speed command through a PWM input, analog voltage, variable frequency square wave or I2C command. There are a large number of protection features integrated into the MCF8315C-Q1, intended to protect the device, motor, and system against fault events.

MCF8315C-Q1 is available in two packages: 40-pin 7mm × 5mm wettable-flank QFN (RGF) and 32-pin 6mm × 4mm wettable-flank QFN (RRY).
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Technical documentation

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Type Title Date
* Data sheet MCF8315C-Q1 Sensorless Field Oriented Control (FOC) Integrated FET BLDC Driver datasheet (Rev. B) PDF | HTML 18 Sep 2025
White paper 未來 SDV 車輛內部：整合遙控邊緣 節點 PDF | HTML 26 Sep 2025
White paper 내일의 SDV 살펴보기: 원격 제어 에 지 노드 통합 PDF | HTML 26 Sep 2025
White paper Inside Tomorrow’s SDVs: Integrating Remote-Controlled Edge Nodes PDF | HTML 22 Sep 2025
Application note Getting Started with MOTORSTUDIO PDF | HTML 15 Apr 2025
Application note MCF83xx - Open Loop to Closed Loop Handoff Tuning PDF | HTML 15 Apr 2025
Application note How to Program I2C for MCx83xx Device Family PDF | HTML 24 Mar 2025
Application note Motor Pre-Startup Tuning for MCx83xx PDF | HTML 24 Mar 2025
Application note MCF83xx and MCT83xx EEPROM Read and Write Procedure PDF | HTML 13 Mar 2025
Application note PCB Design Guidelines for MCF8316C and MCF8315C PDF | HTML 21 Aug 2024

Design & development

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

Evaluation board

MCF8315EVM — MCF8315 evaluation module for three-phase sensorless FOC integrated MOSFET BLDC motor driver

The MCF8315 has three half-H-bridge integrated MOSFET drivers for sensorless FOC control of a three-phase brushless DC (BLDC) motor for 4.5V-to-35V, 5A peak current drive. The MCx8315 integrates a buck regulator that can support 200mA with programmable regulated supply.

This EVM includes an onboard (...)

User guide: PDF | HTML
Not available on TI.com
GUI for evaluation module (EVM)

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 (...)

Supported products & hardware

Supported products & hardware

Products
Integrated control BLDC drivers
MCF8315A — 40-V max, 4-A peak, sensorless FOC control three-phase BLDC motor driver MCF8315C — 40V max, 4A peak, sensorless field-oriented control (FOC) three-phase BLDC motor driver MCF8315C-Q1 — Automotive, 40V max, 4A peak, sensorless field-oriented control (FOC) three-phase BLDC motor driver MCF8315D — 40V (max) 4A (peak), sensorless FOC three-phase BLDC motor driver with UL-recognized variant 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 MCF8316D — 40V (max) 8A (peak), sensorless FOC three-phase BLDC motor driver with UL-recognized variant MCF8329A — 60-V, sensorless, field-oriented control (FOC) three-phase BLDC gate driver MCF8329A-Q1 — Automotive, 12V and 24V, sensorless, field-oriented control (FOC) three-phase BLDC gate driver
Hardware development
Evaluation board
MCF8315EVM — MCF8315 evaluation module for three-phase sensorless FOC integrated MOSFET BLDC motor driver MCF8315PWPEVM — MCF8315 evaluation module for 24-pin plastic small-outline package (PWP) MCF8316AEVM — MCF8316 evaluation module for three-phase sensorless FOC integrated MOSFET BLDC motor driver MCF8316DEVM — MCF8316D evaluation module MCF8329EVM — MCF8329 evaluation module for 60-V, sensorless FOC three-phase BLDC gate driver MCF8329RRYEVM — MCF8329A-Q1 evaluation module for 32-pin WQFN package
Download options
Calculation tool

BLDC-MCF831XC-TO-MCF831XD-CONVERSION-CALC — Register Map conversion tool - from MCF831xC to MCF831xD

Excel-based register map converter to automatically convert register contents from MCF831xC to MCF831xD. Input the register map of MCF831xC to generate the converted register map and use the output values directly for the MCF831xD.
Supported products & hardware

Supported products & hardware

Products
Integrated control BLDC drivers
MCF8315C — 40V max, 4A peak, sensorless field-oriented control (FOC) three-phase BLDC motor driver MCF8315C-Q1 — Automotive, 40V max, 4A peak, sensorless field-oriented control (FOC) three-phase BLDC motor driver MCF8315D — 40V (max) 4A (peak), sensorless FOC three-phase BLDC motor driver with UL-recognized variant MCF8316C-Q1 — Automotive, 40-V max, 8-A peak, sensorless field oriented control (FOC) 3-phase BLDC motor driver MCF8316D — 40V (max) 8A (peak), sensorless FOC three-phase BLDC motor driver with UL-recognized variant
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Calculation tool

BLDC-MOSFET-THERMAL-CALC — BLDC integrated MOSFET driver thermal calculator tool

Calculates the thermals of a BLDC integrated MOSFET driver based on user input system parameters
Supported products & hardware

Supported products & hardware

Products
BLDC drivers
DRV8311 — 24-V abs max, 3 to 20-V, three-phase brushless-DC motor driver with integrated FETs DRV8316 — 40-V max 8-A peak 3-phase motor driver with integrated current sensing and integrated FETs DRV8316-Q1 — Automotive 40-V max 8-A peak three-phase motor driver with integrated current sensing DRV8316C — 40-V max 8-A peak 3-phase motor driver with integrated current sensing, FETs, and enhanced CSA specs DRV8316C-Q1 — Automotive 40-V max 8-A peak three-phase motor driver with integrated current sensing DRV8317 — 24-V max 5-A peak three-phase motor driver with integrated FETs and current sensing DRV8376 — 70V max 4.5A peak 3-phase motor driver with integrated current sensing and integrated FETs DRV8376-Q1 — Automotive, 70V max 4A peak three-phase motor driver with integrated current sensing
Integrated control BLDC drivers
MCF8315C — 40V max, 4A peak, sensorless field-oriented control (FOC) three-phase BLDC motor driver MCF8315C-Q1 — Automotive, 40V max, 4A peak, sensorless field-oriented control (FOC) three-phase BLDC motor driver MCF8315D — 40V (max) 4A (peak), sensorless FOC three-phase BLDC motor driver with UL-recognized variant 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 MCF8316D — 40V (max) 8A (peak), sensorless FOC three-phase BLDC motor driver with UL-recognized variant 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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Package Pins CAD symbols, footprints & 3D models
VQFN (RGF) 40 Ultra Librarian
WQFN (RRY) 32 Ultra Librarian
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