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

STMicroelectronics STSPIN32G0B1TR

Name: STSPIN32G0B1TR
Brand: STMicroelectronics
SKU: STSPIN32G0B1TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STSPIN32G0B1TR

Manufacturer:: STMicroelectronics

Category:: Motor Drivers, Controllers

Package:: -

Datasheet:: STSPIN32G0B1TR.pdf

Description:: VFQFPN 7X7X1.0 48 PITCH 0.5

Quantity:: RFQ Add To RFQ list

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Product details

Overview

STSPIN32G0B1TR from STMicroelectronics is a system-in-package three-phase brushless motor controller integrating a 32-bit ARM® Cortex™-M0+ MCU (STM32G031x8), triple half-bridge gate drivers (600 mA sink/source), 3.3 V DC-DC buck regulator, 12 V LDO, one rail-to-rail op-amp, and overcurrent comparator - all in a single 48-pin VFQFPN package. It targets compact, battery-powered BLDC applications including e-bikes and portable vacuum cleaners.

For engineers reviewing the STSPIN32G0B1TR datasheet, STSPIN32G0B1TR pinout, STSPIN32G0B1TR application, or STSPIN32G0B1TR equivalent, key selection considerations include its integrated op-amp count (1), GPIO count (23), UVLO thresholds (VM: 6.3 V typ), thermal shutdown (130–150 °C), and motor control-specific peripherals (advanced-control timer, 12-bit ADC @ 2.5 Msps).

Technical Context

The STSPIN32G0B1TR implements a tightly coupled analog/motor-control subsystem: its embedded STM32G031x8 executes FOC or 6-step sensorless algorithms while directly interfacing with three half-bridges via dedicated HS/LS input pins (PA8–PA10, PB13–PB15) and an overcurrent comparator (OCCOMP) with 255 mV threshold and 50 ns deglitch filter.

Power management is hierarchical: VM (6.7–45 V) feeds both the gate driver stage (via internal 12 V LDO) and the DC-DC buck converter (REG3V3 = 3.3 V, 70 mA max); UVLO protection applies independently to VM, VREG3V3, VREG12, and VBOOTx rails, with hysteresis (0.2–0.3 V) ensuring noise immunity during voltage transients.

Key Specifications

Parameter	Value and Actual Design Meaning
Operating Voltage	6.7–45 V VM range supports 12 V to 48 V battery systems without external pre-regulation.
Gate Drive Current	600 mA sink/source per half-bridge enables direct driving of low-side MOSFETs up to ~1 A RMS load current.
MCU Core	ARM Cortex-M0+, 64 MHz max clock, 64 kB flash + 8 kB SRAM - sufficient for real-time FOC loop execution at ≤20 kHz PWM.
ADC Performance	12-bit resolution, 2.5 Msps conversion rate - captures current-sense waveforms across shunt resistors with minimal latency.
Thermal Protection	Thermal shutdown at 130–150 °C with 20–40 °C hysteresis prevents latch-up during sustained overload or poor heatsinking.
UVLO Thresholds	VM turn-on at 6.3 V (typ), VREG3V3 at 2.65 V (typ) - ensures stable MCU and analog operation before motor startup.
Op-Amp Count	1 rail-to-rail op-amp (OP1P/OP1N/OP1O) - configured for single-shunt current sensing in cost-sensitive BLDC designs.

Pinout & Package

STSPIN32G0B1TR uses a 48-pin VFQFPN (7 × 7 mm, 0.5 mm pitch) with exposed thermal pad (EPAD) internally connected to GND. Pin functions are validated per DS14714 Rev 1 Figure 10 and Table 6.

Pin/Terminal	Circuit Role	Design Meaning
VM (Pin 7)	Power supply input	Main bus voltage rail (6.7–45 V); powers gate drivers and DC-DC converter.
REG12 (Pin 6)	12 V linear regulator output	Supplies high-side gate drivers; short-circuit protected and thermally limited.
SW (Pin 8)	Buck converter switching node	Connects to external inductor/diode; requires low-ESR ceramic capacitor (47 µF) on REG3V3.
REG3V3 (Pin 9)	3.3 V DC-DC output	Powers MCU core, digital logic, and analog reference; 70 mA max load capacity.
OCCOMP (Pin 25)	Overcurrent comparator input	Accepts differential voltage from shunt resistor; triggers hardware fault interrupt when >255 mV.
HSU/HSV/HSW (Pins 34/30/26)	High-side gate drive inputs	Control signals from MCU GPIOs (PA8/PA9/PA10); interlocked to prevent shoot-through.
LSU/LSV/LSW (Pins 37/33/29)	Low-side gate drive inputs	Control signals from MCU GPIOs (PB13/PB14/PB15); synchronized with high-side for dead-time management.
VBOOTU/VBOOTV/VBOOTW (Pins 36/32/28)	Bootstrap supply inputs	Charge reservoirs for high-side floating supplies; require 100 nF + 1000 nF ceramic capacitors per phase.
OP1P/OP1N/OP1O (Pins 24/23/22)	Single op-amp interface	Non-inverting/inverting input and output - used for amplifying shunt voltage before ADC sampling.
nSTBY (Pin 38)	Active-low standby enable	Puts device into ultra-low-power mode (<1.1 mA VM current); wake-up via GPIO or timer event.

Key Features

Feature	Design Value
Integrated motor control SoC	Combines gate drivers, MCU, regulators, op-amp, and comparator - eliminates ≥12 discrete components in BLDC inverter designs.
Cross-conduction prevention	Hardware interlock between HS/LS inputs per half-bridge prevents simultaneous conduction and shoot-through failure.
Single-shunt current sensing support	One rail-to-rail op-amp + comparator + 12-bit ADC enables accurate phase current reconstruction using only one shunt resistor.
Robust fault protection	Independent UVLO on VM, VREG3V3, VREG12, and VBOOTx plus thermal shutdown (130–150 °C) and overcurrent latching.
Debug & firmware update	SWD interface for real-time debugging; embedded bootloader allows field updates via UART or I2C without external programmer.

Applications

E-bike Motor Controller

Portable Vacuum Cleaner

Use Scenario: Mid-drive e-bike with torque-sensing pedal assist and regenerative braking.

IC Role / Device Role / Timing Role: Primary motor controller executing FOC algorithm, managing 3-phase PWM generation, current sensing, and thermal monitoring.

Use Value: Integrated 64 MHz M0+ core processes torque sensor data and adjusts commutation timing within <10 µs loop latency; 45 V VM rating supports 36 V nominal battery packs with surge tolerance.

Use Scenario: Cordless handheld vacuum with variable suction and brushroll speed control.

IC Role / Device Role / Timing Role: System-on-chip motor driver handling battery voltage scaling, current limiting, and stall detection.

Use Value: Single-shunt sensing + embedded op-amp reduces BOM cost by $0.35 vs dual-op-amp variants; standby current <1.1 mA extends runtime in intermittent-use mode.

Battery-Powered Power Tool

Industrial Fan Controller

Use Scenario: Brushless drill/driver requiring high-torque startup and electronic clutch protection.

IC Role / Device Role / Timing Role: Real-time motor controller enforcing current limits, detecting rotor lock, and modulating PWM duty cycle.

Use Value: Hardware overcurrent comparator (255 mV threshold) triggers fault response in <120 ns - faster than software-based detection, preventing MOSFET destruction during jam events.

Use Scenario: HVAC blower fan operating continuously in ambient temperatures up to 70 °C.

IC Role / Device Role / Timing Role: Compact motor driver with thermal management and speed regulation via analog tach feedback.

Use Value: Extended temperature range (−40 to +125 °C junction) and 45.6 °C/W R_th(JA) allow operation without forced cooling in sealed enclosures.

Equivalent & Alternatives

The following parts are listed as comparable options for similar three-phase BLDC motor control applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STSPIN32G0A1TR	Includes 3 op-amps and 3 comparators; same MCU and gate drivers.	Supports dual-shunt or three-shunt current sensing topologies.	Select when multi-shunt sensing or independent phase monitoring is required.
DRV8313PWPR	Standalone 3-phase gate driver (no MCU); 1.5 A peak drive; external MCU required.	Requires separate microcontroller and external current sensing circuitry.	Select when full custom firmware control or higher gate drive current (>600 mA) is needed.

Compared with STSPIN32G0A1TR, STSPIN32G0B1TR reduces analog BOM count by omitting two op-amps and one comparator - ideal for cost-sensitive single-shunt designs; compared with DRV8313PWPR, it eliminates external MCU integration effort but trades off maximum gate drive strength and flexibility.

Availability

STSPIN32G0B1TR is available at Aetrix Electronics and suitable for battery-powered power tools, portable vacuum cleaners, e-bikes, and industrial fans requiring stable component supply across production lifecycles.

Supply support for STSPIN32G0B1TR 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 automotive-grade components since 1987.

The STSPIN32G0 series belongs to ST's system-in-package motor control product line, engineered specifically to reduce design complexity and bill-of-materials cost for compact, battery-operated three-phase BLDC applications.

FAQ

What is the maximum motor phase voltage supported by STSPIN32G0B1TR?

The device supports VM up to 45 V, with absolute maximum rating of 48 V. Output phase voltage (OUTU/OUTV/OUTW) is clamped to −2 V to VM + 2 V. This enables use with 36 V nominal battery systems common in e-bikes and cordless tools, provided external MOSFETs are rated for ≥60 V V_DS.

Does STSPIN32G0B1TR support sensorless BLDC control?

Yes - the integrated STM32G031x8 MCU provides sufficient processing bandwidth (64 MHz), ADC speed (2.5 Msps), and timer resolution to implement back-EMF zero-crossing detection or observer-based sensorless algorithms. The advanced-control timer includes complementary PWM outputs with programmable dead time.

How many GPIOs are available for user-defined functions?

STSPIN32G0B1TR exposes 23 fast GPIOs (including PA0–PA7, PB1, PB6–PB9, PA12–PA15, PC13–PC15, PF0, PF2), all configurable as digital I/O, alternate function, or analog input. Pins PA14-BOOT0 and PF2-NRST retain boot/reset functionality but can be repurposed post-initialization.

What external components are mandatory for basic operation?

Mandatory components include: (1) 47 µF output capacitor on REG3V3 with ≤200 mΩ ESR, (2) 22 µH inductor on SW node, (3) bootstrap capacitors (100 nF + 1000 nF per phase), (4) 100 nF decoupling on VDD/VBAT, and (5) shunt resistor + RC filter for OCCOMP input. No external crystal is required - internal RC oscillator suffices for motor control timing.

STSPIN32G0B1TR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: -

Packaging:: Tape & Reel (TR)

Product Status:: Active

Motor Type - Stepper:: -

Motor Type - AC, DC:: -

Function:: -

Output Configuration:: -

Interface:: -

Technology:: -

Step Resolution:: -

Applications:: -

Current - Output:: -

Voltage - Supply:: -

Voltage - Load:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

STSPIN32G0B1TR FAQ

1.How can I place an order for STSPIN32G0B1TR through Aetrix?

Please submit a Request for Quotation (RFQ) for STSPIN32G0B1TR 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 STSPIN32G0B1TR reliable?

The price and inventory of STSPIN32G0B1TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STSPIN32G0B1TR is usually 5 days.

3.What payment methods are accepted for STSPIN32G0B1TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STSPIN32G0B1TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STSPIN32G0B1TR?

STSPIN32G0B1TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STSPIN32G0B1TR 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 STSPIN32G0B1TR?

For technical support, including STSPIN32G0B1TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STSPIN32G0B1TR requirements.

6.How does Aetrix verify that STSPIN32G0B1TR is sourced from the original manufacturer or authorized distributors?

All STSPIN32G0B1TR 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 STSPIN32G0B1TR meets industry standards.

7.What is the process for return or replacement of STSPIN32G0B1TR?

All STSPIN32G0B1TR units undergo pre-shipment inspection (PSI). If there is an issue with STSPIN32G0B1TR, 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 STSPIN32G0B1TR part is unused and in its original packaging.

Return procedure for STSPIN32G0B1TR:

1.Submit a request within 90 days.

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

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