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Home > Products > Integrated Circuits (ICs) > Embedded > Application Specific Microcontrollers

STMicroelectronics STSPIN32F0BTR

Name: STSPIN32F0BTR
Brand: STMicroelectronics
SKU: STSPIN32F0BTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STSPIN32F0BTR

Manufacturer:: STMicroelectronics

Category:: Application Specific Microcontrollers

Package:: 48-VFQFN Exposed Pad

Datasheet:: STSPIN32F0BTR.pdf

Description:: ADVANCED SINGLE SHUNT BLDC CONTR

Quantity:: RFQ Add To RFQ list

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Inventory:1,958

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Product details

Overview

STSPIN32F0BTR from STMicroelectronics is an integrated System-in-Package three-phase BLDC motor controller combining a 32-bit ARM® Cortex®-M0 MCU (STM32F031C6, -40 to +125 °C), triple half-bridge gate drivers (600 mA sink/source), 3.3 V DC/DC buck converter, 12 V LDO, rail-to-rail op-amp, and programmable overcurrent comparator. It drives power MOSFETs in U/V/W phases for sensorless FOC or 6-step commutation in battery-powered tools and industrial pumps.

For engineers reviewing the STSPIN32F0BTR datasheet, STSPIN32F0BTR pinout, STSPIN32F0BTR application, or STSPIN32F0BTR equivalent, this page delivers verified electrical specs, validated pin functions, confirmed thermal protection behavior, and real-world motor control use cases - all derived from DS12907 Rev 1 and official ST product documentation.

Technical Context

The device integrates a dedicated analog IC block with cross-conduction prevention logic, bootstrap diodes per phase, and UVLO monitoring on VM, VDD, VREG12, and VBOOTx rails. Its gate driver timing guarantees ≤40 ns propagation delay and ≤20 ns matching between high- and low-side transitions.

The embedded STM32F031C6 MCU provides 32 kB Flash with write/read protection, 4 kB SRAM with hardware parity, and peripherals including 12-bit ADC (9 channels), five timers, I²C/USART/SPI, and SWD debug interface - all operating across the full -40 to +125 °C junction temperature range.

Key Specifications

Parameter	Value and Actual Design Meaning
Operating Voltage	6.7–45 V VM input: supports 12 V to 42 V battery systems without external pre-regulation
Gate Drive Current	600 mA sink/source per channel: sufficient to drive 10 nC gate charge MOSFETs at ≥20 kHz PWM
MCU Core	ARM Cortex-M0 @ 48 MHz: enables real-time FOC execution with <10 µs current loop latency
ADC Resolution	12-bit, 9-channel: captures shunt voltage, bus voltage, and thermistor signals simultaneously in scan mode
Thermal Protection	130–150 °C shutdown with 20–40 °C hysteresis: prevents latch-up during sustained overload in enclosed enclosures
Overcurrent Threshold	Programmable 90–545 mV via PF6/PF7 pins: sets trip point for shunt-based phase current sensing
DC/DC Efficiency	≥80% at VM = 8 V and IDDA,max: sustains MCU and peripherals under low-battery conditions

Pinout & Package

Package: VFQFPN48 (7 × 7 × 1 mm), thermally enhanced EPAD connected to GND.

Pin/Terminal	Circuit Role	Design Meaning
HSU / HSV / HSW	High-side gate driver outputs	Drive upper N-MOSFET gates referenced to floating OUTU/OUTV/OUTW nodes
LSU / LSV / LSW	Low-side gate driver outputs	Drive lower N-MOSFET gates referenced to GND; enable synchronous rectification
VBOOTU / VBOOTV / VBOOTW	Bootstrap supply inputs	Charge external bootstrap capacitors to sustain high-side conduction in 3-phase bridge
OP1P / OP1N / OP1O	Op-amp terminals	Configure as differential amplifier for shunt current sensing with gain up to 100 V/V
OC_COMP	Comparator input	Accepts amplified shunt voltage; triggers latched fault when threshold exceeded
PA13_SWD_IO / PA14_SWD_CLK	Debug interface	Enable in-circuit programming and real-time trace without external debugger header

Key Features

Feature	Design Value
Integrated interlocking logic	Prevents shoot-through by disabling complementary HS/LS pair activation within same half-bridge
On-chip 3.3 V DC/DC + 12 V LDO	Eliminates need for external regulators: powers MCU core, analog circuitry, and gate drivers independently
Programmable overcurrent threshold	Three discrete sensitivity levels (90/255/505 mV) selected via GPIO pins for flexible fault margin tuning
Standby mode with 880 µA consumption	Reduces system idle power in portable tools during pause cycles without losing firmware state
UVLO on all supplies (VM, VDD, VREG12, VBOOTx)	Ensures safe startup/shutdown sequencing and prevents erratic gate switching during brownout

Applications

Power Tools

Fans & Pumps

Use Scenario: Cordless drill/driver with variable speed and electronic braking.

IC Role / Device Role / Timing Role: BLDC controller executing 6-step commutation and active freewheeling using internal op-amp and comparator for current regulation.

Use Value: Enables torque-controlled startup and stall detection via real-time shunt sensing and programmable OC threshold.

Use Scenario: HVAC blower with closed-loop airflow control and soft-start.

IC Role / Device Role / Timing Role: Sensorless FOC controller using ADC-sampled back-EMF and PWM-modulated gate drivers for smooth acceleration.

Use Value: Reduces acoustic noise and mechanical stress through precise sinusoidal excitation and thermal-aware duty cycling.

Industrial Automation

Battery-Powered Appliances

Use Scenario: Conveyor belt motor with overload protection and emergency stop response.

IC Role / Device Role / Timing Role: Fault-tolerant motor driver with latched overcurrent shutdown and SWD-enabled field firmware update.

Use Value: Guarantees fail-safe shutdown within <120 ns comparator propagation delay and supports remote diagnostics.

Use Scenario: Robotic vacuum cleaner with brushless main motor and intelligent battery management.

IC Role / Device Role / Timing Role: Integrated power stage + MCU performing battery voltage monitoring, motor current limiting, and thermal derating.

Use Value: Extends runtime via 80% efficient DC/DC and extends battery life using standby mode during idle periods.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STSPIN32G4TR	Higher VM range (9–75 V), dual-shunt current sensing, enhanced FOC library support, no integrated op-amp	Targeted at higher-voltage industrial drives requiring dual-resistor sensing and advanced observer algorithms	Select when >45 V bus voltage or dual-shunt topology is required; requires external signal conditioning
DRV8305PWP	Standalone gate driver (no MCU), 1.5 A drive strength, SPI-configurable protections, no embedded processor or ADC	Suitable for designs with external host MCU handling control algorithm and communication stack	Select when separating control and power stages improves design flexibility or safety certification path

Compared with STSPIN32F0BTR, STSPIN32G4TR offers extended voltage headroom and advanced motor control features but removes the integrated op-amp; DRV8305PWP provides higher gate current and configurability but shifts all firmware responsibility to an external controller.

Availability

STSPIN32F0BTR is available at Aetrix Electronics and suitable for power tools, fans and pumps, industrial automation, and battery-powered home appliances requiring stable component supply, long-term lifecycle assurance, and automotive-grade thermal robustness.

Supply support for STSPIN32F0BTR 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 STSPIN family targets integrated motor control solutions - combining gate drivers, protection logic, and embedded MCUs to reduce BOM count and accelerate development of compact, reliable BLDC systems.

FAQ

What is the maximum PWM frequency supported by the STSPIN32F0BTR gate drivers?

The gate drivers support input-to-output propagation delays ≤40 ns and matching ≤20 ns, enabling reliable operation up to 200 kHz switching frequency. The internal DC/DC regulator maintains stable 3.3 V output up to 70 mA load, supporting MCU and peripheral timing integrity at high PWM rates without external decoupling compromises.

How does the programmable overcurrent protection work without external components?

The OC_COMP pin accepts a voltage from an external shunt amplifier; thresholds of 90/255/505 mV are selected via PF6/PF7 GPIO states. When exceeded, the comparator asserts OC_COMP_INT, triggering latched shutdown of all gate drivers within 120 ns - no external comparators, resistors, or logic required.

Can the integrated op-amp be used for voltage sensing in addition to current sensing?

Yes - the rail-to-rail op-amp (OP1P/OP1N/OP1O) supports gain configurations up to 100 V/V and operates from VDDA (3.3 V). It is routinely used for bus voltage scaling (e.g., 45 V → 3.3 V) or thermistor signal conditioning, provided common-mode input stays within -0.1 to VDDA+0.1 V and source impedance remains <10 kΩ.

What thermal derating applies above 125 °C ambient?

The device specifies operation to +125 °C junction temperature. With R_thJA = 45.6 °C/W, at 25 °C ambient it can dissipate ~2.2 W continuously. Above 125 °C case temperature, thermal shutdown activates at 130–150 °C with 20–40 °C hysteresis - no linear derating curve is specified; forced air or PCB copper area must maintain T_j ≤ 125 °C for continuous operation.

STSPIN32F0BTR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: STSPIN32F0

Package/Case:: 48-VFQFN Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Programmable:: Not Verified

Applications:: BLDC Controller

Core Processor:: ARM® Cortex®-M0

Program Memory Type:: FLASH (32kB)

Controller Series:: STM32F031x6x7

RAM Size:: 4K x 8

Interface:: I2C, SPI, UART/USART

Number of I/O:: 20

Voltage - Supply:: 6.7V ~ 45V

Operating Temperature:: -40°C ~ 125°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 48-VFQFPN (7x7)

STSPIN32F0BTR FAQ

1.How can I place an order for STSPIN32F0BTR through Aetrix?

Please submit a Request for Quotation (RFQ) for STSPIN32F0BTR 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 STSPIN32F0BTR reliable?

The price and inventory of STSPIN32F0BTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STSPIN32F0BTR is usually 5 days.

3.What payment methods are accepted for STSPIN32F0BTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STSPIN32F0BTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STSPIN32F0BTR?

STSPIN32F0BTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STSPIN32F0BTR 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 STSPIN32F0BTR?

For technical support, including STSPIN32F0BTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STSPIN32F0BTR requirements.

6.How does Aetrix verify that STSPIN32F0BTR is sourced from the original manufacturer or authorized distributors?

All STSPIN32F0BTR 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 STSPIN32F0BTR meets industry standards.

7.What is the process for return or replacement of STSPIN32F0BTR?

All STSPIN32F0BTR units undergo pre-shipment inspection (PSI). If there is an issue with STSPIN32F0BTR, 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 STSPIN32F0BTR part is unused and in its original packaging.

Return procedure for STSPIN32F0BTR:

1.Submit a request within 90 days.

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

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