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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Motor Drivers, Controllers

STMicroelectronics STSPIN32G4TR

Name: STSPIN32G4TR
Brand: STMicroelectronics
SKU: STSPIN32G4TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STSPIN32G4TR

Manufacturer:: STMicroelectronics

Category:: Motor Drivers, Controllers

Package:: 64-VFQFN Exposed Pad

Datasheet:: STSPIN32G4TR.pdf

Description:: DISCRETE

Quantity:: RFQ Add To RFQ list

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Product details

Overview

STSPIN32G4TR from STMicroelectronics is a highly integrated 3-phase BLDC motor controller System-in-Package combining a triple half-bridge gate driver (1 A sink/source), V_DS monitoring, embedded STM32G431 MCU (ARM Cortex-M4 @ 170 MHz, 128 kB Flash, 32 kB SRAM), self-contained power management (programmable buck regulator up to 200 mA, 3.3 V LDO up to 150 mA), and full protection suite (thermal shutdown, UVLO, short-circuit). It enables sensorless/sensored FOC or six-step control in compact industrial motion systems.

For engineers reviewing the STSPIN32G4TR datasheet, STSPIN32G4TR pinout, STSPIN32G4TR application, or STSPIN32G4TR equivalent, key selection considerations include its integrated gate driver + MCU co-location, programmable V_CC (8/10/12/15 V), V_DS threshold setting via SCREF pin, dual-motor capability with external driver, and extended -40°C to +125°C operation.

Technical Context

The device integrates a dedicated three-phase gate driver with hardware interlocking and real-time V_DS monitoring across all six MOSFETs-threshold settable via analog SCREF input (0.2–2.5 V range) with deglitch filtering (2–6 µs). The embedded STM32G431 MCU provides two advanced motor-control timers (16-bit, up to 6 PWM channels), dual 12-bit ADCs (4 Msps), four comparators, three op-amps (PGA-capable), and CORDIC/FMAC accelerators for real-time FOC computation.

Power architecture includes a synchronous buck converter (500 kHz, 750 mA peak, soft-start, 3.3–16.5 V output options) and a 3.3 V LDO (150 mA, 1.9–3.5 V regulation), both bypassable; a dedicated standby regulator reduces VM supply current to 15 µA typical. All regulators feature thermal shutdown, overload, and UVLO protection.

Key Specifications

Parameter	Value and Actual Design Meaning
Motor supply voltage	5.5 V to 75 V - supports wide-range industrial motors without external DC-DC pre-regulation
Gate drive current	1 A sink/source - drives standard 600 V MOSFETs directly without external buffers
MCU core	ARM Cortex-M4 @ 170 MHz with FPU - executes complex FOC algorithms in real time
Flash / SRAM	128 kB Flash (PCROP-secured), 32 kB SRAM (HW parity) - enables robust firmware with safety partitioning
V_CC output options	8 V / 10 V / 12 V / 15 V - configurable via I²C register to match MOSFET gate threshold requirements
V_DS monitoring	Analog SCREF input (0.2–2.5 V threshold) with deglitch filter - detects overvoltage on any MOSFET before destructive failure
Standby current	15 µA typical from VM - enables ultra-low-power sleep modes in battery-powered tools
Operating temperature	-40°C to +125°C - qualified for harsh industrial and automotive under-hood environments

Pinout & Package

STSPIN32G4TR uses a thermally enhanced 64-pin QFN package (9 mm × 9 mm, 0.5 mm pitch) with exposed EPAD for efficient heat dissipation in high-current motor drive applications.

Pin/Terminal	Circuit Role	Design Meaning
OUT1–OUT3	High-side floating common nodes	Connect to phase U/V/W high-side MOSFET sources - define bootstrap reference for each half-bridge
BOOT1–BOOT3	Bootstrap supply inputs	Charge external bootstrap capacitors; enable high-side gate drive during PWM deadtime
GHS1–GHS3	High-side gate drivers	Drive high-side MOSFET gates with 1 A peak current; integrated interlock prevents shoot-through
GLS1–GLS3	Low-side gate drivers	Drive low-side MOSFET gates; support shunt-based current sensing via dedicated INLx pins
SCREF	V_DS protection threshold input	Analog voltage sets overvoltage trip point (0.2–2.5 V); disable protection above 2.9 V
REGIN	LDO input	Accepts 3.3–15 V input for internal 3.3 V logic supply; protected against short-circuit and UVLO
VM	Motor supply input	Main power rail for gate drivers and buck converter; absolute max 78 V
PGND	Power ground	Dedicated low-impedance return path for gate driver currents - separate from signal ground

Key Features

Feature	Design Value
Integrated V_DS monitoring	Hardware circuitry monitors all six MOSFETs in real time; triggers immediate fault shutdown if overvoltage detected
Programmable buck regulator	Generates V_CC (8/10/12/15 V) from VM; eliminates need for external gate driver supply IC
Dual-motor control capability	Supports second 3-phase motor via external STDRIVE101 driver using same MCU resources and timing peripherals
Floating high-side outputs	OUT1–OUT3 provide isolated reference points for bootstrap circuits - essential for reliable high-side switching
CORDIC + FMAC acceleration	Hardware trigonometric and filter math units reduce CPU load for real-time FOC execution at ≤170 MHz
Self-supplied architecture	Buck + LDO + standby regulator fully powered from VM - only one external supply required

Applications

Industrial Servo Drives

Home Appliance Motor Control

Use Scenario: Closed-loop position/torque control of PMSM/BLDC motors in CNC axes, packaging machines, and robotic joints.

IC Role / Device Role / Timing Role: Full motor controller SoC handling gate driving, current sensing, FOC computation, and protection - replaces discrete MCU + gate driver + power management.

Use Value: Reduces BOM count by >12 components; enables <10 µs current loop response using dual 4 Msps ADCs and hardware interlock.

Use Scenario: Variable-speed motor control in vacuum cleaners, washing machines, and robotic floor cleaners.

IC Role / Device Role / Timing Role: Integrated motor controller executing sensorless FOC with single-shunt current reconstruction and real-time thermal management.

Use Value: Achieves >85% efficiency at partial load; standby current <15 µA extends battery life in cordless tools.

E-Bike Mid-Drive Systems

Drone Propulsion Control

Use Scenario: High-torque, low-RPM motor control for mid-drive e-bikes with torque-sensing and regenerative braking.

IC Role / Device Role / Timing Role: Motor controller managing 3-phase BLDC commutation, battery voltage monitoring, and CAN-based vehicle communication stack.

Use Value: On-chip CAN interface and 125°C rating ensure robust operation in sealed, thermally constrained frames.

Use Scenario: Compact, lightweight propulsion control for multirotor drones requiring fast dynamic response and precise RPM synchronization.

IC Role / Device Role / Timing Role: High-frequency PWM generator (up to 170 MHz core) with hardware deadtime insertion and V_DS fault detection per phase.

Use Value: Enables <500 ns deadtime precision and <10 µs fault response - critical for ESC reliability and propeller safety.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 3-phase motor controller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STSPIN32F0TR	Uses STM32F031 MCU (Cortex-M0+, 48 MHz, no FPU/CORDIC); lower gate drive (600 mA); no V_DS monitoring	Suitable for cost-sensitive, lower-performance fans/pumps; lacks FOC acceleration and robust fault detection	Select when BOM cost is primary constraint and motor control complexity is limited to six-step or basic sensored FOC
DRV8323RSRGER	Standalone gate driver (no MCU); requires external processor; supports higher VM (100 V); includes current sense amplifiers	Used where custom MCU firmware or higher voltage operation is needed; adds design complexity and component count	Select when maximum flexibility in control algorithm or >75 V motor supply is required, accepting added PCB area and development effort

Compared with STSPIN32F0TR, STSPIN32G4TR delivers 3.5× higher compute throughput and hardware fault detection; versus DRV8323RSRGER, it eliminates external MCU and power sequencing while trading off voltage headroom and current-sense integration.

Availability

STSPIN32G4TR is available at Aetrix Electronics and suitable for industrial servo drives, home appliance motor control, e-bike mid-drives, and drone propulsion systems requiring stable component supply, long-term lifecycle assurance, and production-ready qualification.

Supply support for STSPIN32G4TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power ICs, sensors, and analog devices for industrial, automotive, and consumer markets.

The STSPIN32G4TR belongs to ST's STSPIN family of intelligent motor controllers, engineered specifically to integrate gate driving, MCU computation, and power management into a single package for space-constrained, high-efficiency BLDC applications.

FAQ

What is the maximum motor supply voltage supported by STSPIN32G4TR?

The STSPIN32G4TR supports a motor supply voltage (VM) from 5.5 V to 75 V, with an absolute maximum rating of 78 V. Operation above 75 V risks triggering UVLO or exceeding safe operating area limits, and is not recommended per datasheet specifications.

Does STSPIN32G4TR require external bootstrap capacitors?

Yes - external ceramic bootstrap capacitors (typically 100 nF X7R) must be placed between each BOOTx pin and corresponding OUTx node. The device includes integrated bootstrap diodes but relies on external capacitance to sustain high-side gate drive during continuous PWM operation.

Can STSPIN32G4TR run Field Oriented Control (FOC) without external sensors?

Yes - the integrated STM32G431 MCU, dual 4 Msps ADCs, and CORDIC accelerator enable real-time sensorless FOC using back-EMF or high-frequency injection methods. Shunt-based current sensing (via INL1–INL3) and hardware interlock ensure safe execution without position encoders.

How is thermal protection implemented in STSPIN32G4TR?

Thermal protection uses an on-die junction temperature sensor with shutdown threshold of 140–160°C and 30°C hysteresis. When triggered, all gate drivers disable immediately and the nFAULT pin asserts low. Recovery requires VM cycle or explicit reset via STBY pin after temperature falls below 130°C.

STSPIN32G4TR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: 64-VFQFN Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Motor Type - Stepper:: Multiphase

Motor Type - AC, DC:: Brushless DC (BLDC)

Function:: Driver - Fully Integrated, Control and Power Stage

Output Configuration:: Half Bridge (3)

Interface:: CAN, I2C, SPI, UART

Technology:: NMOS

Step Resolution:: -

Applications:: General Purpose

Current - Output:: 1A

Voltage - Supply:: 5.5V ~ 75V

Voltage - Load:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 64-VFQFPN (9x9)

STSPIN32G4TR FAQ

1.How can I place an order for STSPIN32G4TR through Aetrix?

Please submit a Request for Quotation (RFQ) for STSPIN32G4TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for STSPIN32G4TR reliable?

The price and inventory of STSPIN32G4TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STSPIN32G4TR is usually 5 days.

3.What payment methods are accepted for STSPIN32G4TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STSPIN32G4TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STSPIN32G4TR?

STSPIN32G4TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STSPIN32G4TR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for STSPIN32G4TR?

For technical support, including STSPIN32G4TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STSPIN32G4TR requirements.

6.How does Aetrix verify that STSPIN32G4TR is sourced from the original manufacturer or authorized distributors?

All STSPIN32G4TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STSPIN32G4TR meets industry standards.

7.What is the process for return or replacement of STSPIN32G4TR?

All STSPIN32G4TR units undergo pre-shipment inspection (PSI). If there is an issue with STSPIN32G4TR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The STSPIN32G4TR part is unused and in its original packaging.

Return procedure for STSPIN32G4TR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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