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STMicroelectronics STSPIN32G0B2TR
- Part No.:
- STSPIN32G0B2TR
- Manufacturer:
- STMicroelectronics
- Category:
- Motor Drivers, Controllers
- Package:
- -
- Datasheet:
-
STSPIN32G0B2TR.pdf
- Description:
- VFQFPN 7X7X1.0 48 PITCH 0.5
- Quantity:
- Payment:
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Product details
Overview
STSPIN32G0B2TR from STMicroelectronics is an integrated three-phase brushless motor controller combining 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 QFN48 package. It enables field-oriented control and 6-step sensorless commutation for battery-powered power tools and e-bikes.
For engineers reviewing the STSPIN32G0B2TR datasheet, STSPIN32G0B2TR pinout, STSPIN32G0B2TR application, or STSPIN32G0B2TR equivalent, key selection considerations include its integrated op-amp count (1), GPIO count (23), UVLO thresholds (VM: 6.3 V typ), thermal shutdown (130 °C), and dedicated motor-control timer - critical for compact BLDC system design.
Technical Context
The device integrates a STM32G031x8 MCU core running at up to 64 MHz with 64 kB flash and 8 kB SRAM, directly interfacing with analog peripherals including a 12-bit ADC (2.5 Msps, 11 channels) and three-phase gate driver logic featuring cross-conduction prevention and integrated bootstrap diodes. The MCU executes motor control algorithms while managing real-time protection via OC_COMP_INT and nSTBY signals.
Its analog subsystem includes one operational amplifier (VOPio = 1–6 mV offset), an overcurrent comparator (VOCth = 255 mV typ), and dual regulated supplies: a 3.3 V/70 mA DC-DC buck converter (fSW = 200–330 kHz) and a 12 V/10 mA LDO - both with thermal and overcurrent protection. All power rails feature independent UVLO monitoring (VM, VREG3V3, VREG12, VBOOT).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Voltage | 6.7–45 V VM range supports 12 V–42 V battery systems (e.g., 3S–12S Li-ion) without external pre-regulation. |
| Gate Drive Current | 600 mA sink/source per half-bridge enables direct driving of low-side MOSFETs and bootstrap-charged high-side MOSFETs up to 100 kHz PWM. |
| MCU Core | ARM Cortex-M0+, 64 MHz max clock, 64 kB flash with read/write protection - sufficient for FOC or sensorless BEMF algorithms. |
| ADC Performance | 12-bit resolution, 2.5 Msps sampling rate, 11 external channels - supports simultaneous current sensing across three shunts. |
| Thermal Protection | 130 °C thermal shutdown with 30 °C hysteresis ensures safe operation under sustained load in enclosed power tool housings. |
| UVLO Thresholds | VM turn-on at 6.3 V (typ), VREG3V3 at 2.65 V (typ), VREG12 at 6.3 V (typ) - prevents erratic startup during battery sag. |
| Op-Amp Count | 1 rail-to-rail op-amp (OP1P/OP1N/OP1O) configured for shunt-based current sensing with 10–18 MHz GBP and 10 V/µs slew rate. |
Pinout & Package
STSPIN32G0B2TR uses a 7 mm × 7 mm QFN48 package with exposed pad (EPAD) thermally connected to GND. Pin numbering follows standard top-view layout (pin 1 at top-left corner); EPAD must be soldered to PCB ground plane for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| HSU / HSV / HSW | High-side gate drive inputs | Digital inputs (3.3 V logic) controlling U/V/W high-side MOSFETs; internally level-shifted to floating VBOOT domains. |
| LSU / LSV / LSW | Low-side gate drive inputs | Digital inputs (3.3 V logic) controlling U/V/W low-side MOSFETs; referenced to local OUTx nodes. |
| OUTU / OUTV / OUTW | Floating output commons | Connect to motor phase terminals; serve as return paths for high-side drivers and bootstrap capacitor charging. |
| VBOOTU / VBOOTV / VBOOTW | Bootstrap supply nodes | Charge pump outputs (max 60 V) enabling high-side N-channel MOSFET drive without isolated supplies. |
| OP1P / OP1N / OP1O | Single op-amp interface | Non-inverting/inverting input and output pins for shunt current sensing; supports differential gain configuration. |
| OCCOMP | Overcurrent comparator input | Analog input accepting voltage from shunt or op-amp output; triggers latchable fault when >255 mV (typ). |
| nSTBY | Active-low standby control | Pulls internal regulators into ultra-low-power state (<1.1 mA VM current) - essential for battery runtime extension. |
| VM / REG12 / REG3V3 / GND | Main power rails | VM (6.7–45 V bus), REG12 (12 V gate driver supply), REG3V3 (3.3 V MCU/analog supply), and system ground. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated gate driver + MCU | Eliminates discrete logic, level shifters, and external microcontroller - reduces BOM by ≥12 components vs. discrete BLDC solutions. |
| Single op-amp + comparator | Enables full three-phase current sensing using one op-amp (via multiplexed shunt inputs) and hardware overcurrent latching without software intervention. |
| Dual protected regulators | 3.3 V DC-DC (70 mA, short-circuit/thermal protected) and 12 V LDO (10 mA, thermal protected) supply all internal blocks and external sensors. |
| Motor-specific timer | Advanced-control timer with dead-time insertion, complementary PWM outputs, and encoder input capture - optimized for trapezoidal and FOC timing. |
| Robust protection suite | Independent UVLO on VM, VREG3V3, VREG12, and VBOOT; thermal shutdown (130 °C); overcurrent latching; and cross-conduction prevention. |
Applications
| Power Tools | E-Bike Drives |
|---|---|
|
Use Scenario: Cordless drill/driver with variable speed and torque control. IC Role / Device Role / Timing Role: System-in-package motor controller executing 6-step commutation and closed-loop speed regulation using hall sensors. Use Value: Integrated 600 mA gate drivers and 12 V LDO eliminate external high-current regulators, reducing board area by 35% vs. discrete solutions. |
Use Scenario: Mid-drive e-bike motor with pedal-assist and regenerative braking support. IC Role / Device Role / Timing Role: BLDC controller performing sensorless FOC using ADC-sampled back-EMF and real-time PWM modulation. Use Value: 2.5 Msps ADC and dedicated motor timer enable precise rotor position estimation at 0–5000 RPM with <2° electrical error. |
| Portable Vacuum Cleaners | Industrial Pumps |
|
Use Scenario: Handheld vacuum with turbo mode and thermal throttling. IC Role / Device Role / Timing Role: Motor controller managing high-speed BLDC operation (up to 30,000 RPM) with overtemperature and overcurrent fault response. Use Value: On-chip thermal shutdown (130 °C) and latched OC protection prevent MOSFET failure during dust-clogged operation. |
Use Scenario: 24 V DC brushless water pump for HVAC or irrigation systems. IC Role / Device Role / Timing Role: Integrated controller handling constant-pressure control loop using analog pressure sensor feedback and PWM duty adjustment. Use Value: Single op-amp and 11-channel ADC allow simultaneous current, voltage, and pressure signal acquisition without external signal conditioners. |
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 |
|---|---|---|---|
| STSPIN32G0B1TR | Same package and MCU, but lacks PB5, PC13, and PC15-OSC32_OUT pins; only 1 op-amp (same as B2), no second crystal oscillator input. | Supports identical motor control functions but omits secondary RTC crystal interface - suitable where real-time clock is not required. | Select B1TR when RTC functionality is unnecessary and PCB layout simplification is prioritized. |
| STSPIN32F0TR | Uses STM32F0 MCU (Cortex-M0, 48 MHz, 32 kB flash), no integrated op-amp, two comparators, and no VREF+ pin - requires external signal conditioning. | Targets cost-sensitive applications with simpler control (e.g., basic 6-step), but adds external op-amps and ADC reference circuitry. | Select F0TR only if flash size and clock speed requirements are lower and external analog components are acceptable. |
Compared with STSPIN32G0B2TR, B1TR removes redundant RTC pins without affecting motor control capability, while F0TR sacrifices integration (no op-amp, smaller flash) to reduce unit cost - making B2TR optimal for space-constrained, high-integration BLDC designs requiring embedded signal conditioning.
Availability
STSPIN32G0B2TR is available at Aetrix Electronics and suitable for battery-powered power tools, portable vacuum cleaners, e-bike drives, and industrial pumps requiring stable component supply across extended temperature ranges (−40 to +125 °C) and long production lifecycles.
Supply support for STSPIN32G0B2TR 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, and analog/mixed-signal devices for industrial, automotive, and consumer markets.
The STSPIN32G0 series belongs to ST's system-in-package motor control product line, engineered specifically to replace multi-chip BLDC solutions with single-package integration - targeting compact, high-efficiency, and cost-optimized motor drives.
FAQ
What is the maximum motor phase voltage supported by STSPIN32G0B2TR?
The device supports VM up to 45 V (absolute max 48 V), with OUTU/OUTV/OUTW rated for −2 V to VM + 2 V. This allows direct connection to 36 V nominal battery systems (e.g., 10S Li-ion) and accommodates transient spikes up to ±2 V during switching - verified per Table 1 absolute ratings.
Does STSPIN32G0B2TR support sensorless commutation?
Yes - the integrated STM32G031x8 MCU, 12-bit ADC (2.5 Msps), and advanced-control timer enable robust sensorless field-oriented control (FOC) and 6-step BEMF detection. Application note AN5056 confirms implementation using ADC sampling of phase voltages during PWM off-times.
How many GPIOs are available for user-defined functions?
STSPIN32G0B2TR provides 23 fast I/O ports (GPIOs), including PA0–PA7, PB1, PB5–PB9, PA12–PA15, PA14-BOOT0, PF0, PF2, PC13–PC15, and PB12–PB15 mapped to motor control functions. All are 5 V-tolerant (except VDD-referenced pins) and configurable as interrupts or peripheral remaps.
What protection features prevent shoot-through in the gate drivers?
The device implements hardware interlocking: high- and low-side switches of the same half-bridge cannot be simultaneously enabled. This is enforced by internal logic that inserts dead time (MT ≤ 20 ns matching) and monitors HS/LS input states - confirmed in Figure 7 timing diagrams and Section 2.3 electrical characteristics.
STSPIN32G0B2TR 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:
- -
STSPIN32G0B2TR FAQ
1.How can I place an order for STSPIN32G0B2TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STSPIN32G0B2TR 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 STSPIN32G0B2TR reliable?
The price and inventory of STSPIN32G0B2TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STSPIN32G0B2TR is usually 5 days.
3.What payment methods are accepted for STSPIN32G0B2TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STSPIN32G0B2TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STSPIN32G0B2TR?
STSPIN32G0B2TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STSPIN32G0B2TR 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 STSPIN32G0B2TR?
For technical support, including STSPIN32G0B2TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STSPIN32G0B2TR requirements.
6.How does Aetrix verify that STSPIN32G0B2TR is sourced from the original manufacturer or authorized distributors?
All STSPIN32G0B2TR 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 STSPIN32G0B2TR meets industry standards.
7.What is the process for return or replacement of STSPIN32G0B2TR?
All STSPIN32G0B2TR units undergo pre-shipment inspection (PSI). If there is an issue with STSPIN32G0B2TR, 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 STSPIN32G0B2TR part is unused and in its original packaging.
Return procedure for STSPIN32G0B2TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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