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STMicroelectronics EVALSTDRIVE101

Name: EVALSTDRIVE101
Brand: STMicroelectronics
SKU: EVALSTDRIVE101
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: EVALSTDRIVE101

Manufacturer:: STMicroelectronics

Category:: Evaluation and Demonstration Boards and Kits

Package:

Datasheet:: EVALSTDRIVE101.pdf

Description:: EVAL BOARD FOR STDRIVE101

Quantity:: RFQ Add To RFQ list

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Inventory:1,574

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Product details

Overview

EVALSTDRIVE101 from STMicroelectronics is a demonstration board built around the STDRIVE101 three-phase gate driver IC and six STL110N10F7 PowerFLAT™ 5x6 N-channel MOSFETs, designed to drive brushless DC motors up to 20 Arms continuous at 6–75 V bus voltage. It supports both FOC and six-step control algorithms with configurable single- or three-shunt current sensing, integrated V_DS monitoring, overcurrent protection via internal comparator, and BEMF/Hall sensor interface circuitry.

For engineers reviewing the EVALSTDRIVE101 datasheet, EVALSTDRIVE101 pinout, EVALSTDRIVE101 application, or EVALSTDRIVE101 equivalent, this board enables rapid evaluation of STDRIVE101's dual-input strategies (enable/input with adjustable deadtime or direct interlocked driving), real-time motor phase voltage/current sensing, thermal monitoring via on-board NTC, and seamless integration with STM32 microcontrollers through its standardized 34-pin motor control connector.

Technical Context

The board implements a full three-phase inverter stage using discrete STL110N10F7 MOSFETs (100 V, 110 A peak, R_DS(on) = 8.5 mΩ) arranged in high-side/low-side pairs per phase, each driven by dedicated outputs of the STDRIVE101 QFN-24 gate driver. The driver integrates bootstrap diodes, fault reporting (nFAULT), and programmable deadtime generation via DT_MODE pin.

Current sensing is implemented via three 10 mΩ, 3 W shunt resistors (R23–R27) with selectable configuration (JP2–JP4), feeding into TSV991AIQ operational amplifiers for signal conditioning. Hall/BEMF networks include pull-up/pull-down biasing (R43–R49), filtering (C19–C21), and level-shifting (D11–D14) to support both digital Hall and analog back-EMF commutation schemes.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	6 V to 75 V DC - supports wide-input industrial and battery-powered BLDC applications including e-bikes and power tools.
Continuous Output Current	20 Arms - sustained motor phase current rating limited by thermal design and shunt resistor power dissipation.
Peak Current (OC Enabled)	35 A - maximum short-duration current before overcurrent protection triggers and asserts nFAULT.
Motor Control Interface	34-pin 2×17 header compatible with STM32 Nucleo, Discovery, and custom boards - provides GPIO, PWM, ADC, and Hall/BEMF signals.
Current Sensing Options	Configurable single-shunt or three-shunt topology - enables trade-off between cost (single-shunt) and precision (three-shunt) in FOC implementations.
Thermal Monitoring	Vishay NTCS0603E3103FMT NTC (10 kΩ @ 25°C) mounted near power stage - provides PCB temperature feedback for thermal derating or shutdown logic.
Protection Features	V_DS sensing per MOSFET + internal comparator-based overcurrent detection - enables cycle-by-cycle current limiting without external hardware.

Availability

EVALSTDRIVE101 is available at Aetrix Electronics and suitable for power tool motor control, e-bike traction systems, and home appliance fan drives requiring stable component supply, reference design validation, and fast prototyping turnaround.

Supply support for EVALSTDRIVE101 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, specializing in microcontrollers, power management, analog, and motor control solutions for industrial, automotive, and consumer markets.

EVALSTDRIVE101 belongs to ST's motor control evaluation platform family, engineered to accelerate development of high-efficiency, sensorless or sensored BLDC drives targeting cost-sensitive, thermally constrained applications like portable power equipment and light electric vehicles.

FAQ

What microcontrollers is EVALSTDRIVE101 compatible with?

EVALSTDRIVE101 features a standardized 34-pin motor control connector that matches STM32 Nucleo-64/144 and Discovery boards (e.g., NUCLEO-G431RB, STM32F303RE, STM32G474RE). Pin mapping follows ST's Motor Control SDK conventions for PWM, ADC, GPIO, and Hall inputs - no adapter required for supported STM32 families.

Does EVALSTDRIVE101 support sensorless control?

Yes - the board includes dedicated BEMF sensing networks (H1-BEMF1, H2-BEMF2, H3-BEMF3) with RC filtering and op-amp conditioning (U2–U4), enabling robust sensorless FOC or six-step commutation. Default jumper settings route phase voltages to comparator inputs, and firmware examples are provided in ST's MCSDK v6.x.

Can I use EVALSTDRIVE101 with 48 V battery systems?

Yes - the board accepts 6–75 V DC input, making it fully compatible with nominal 48 V battery packs (typically 42–54.6 V operating range). The STL110N10F7 MOSFETs and STDRIVE101 gate driver are rated for 100 V drain-source and 75 V bootstrap operation, ensuring safe margin under transient conditions.

Is heatsinking required for 20 A continuous operation?

Yes - the included HS1 heatsink (75 × 74.6 × 15 mm) with thermal interposer and M3 screws is mandatory for 20 Arms continuous duty at ambient ≤40°C. Without it, thermal throttling begins above ~12 A due to power dissipation across six MOSFETs and shunt resistors - verified in ST's DB4298 thermal characterization data.

EVALSTDRIVE101 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Packaging:: Bulk

Product Status:: Active

Type:: Power Management

Function:: Motor Controller/Driver, Gate Driver

Embedded:: Yes, MCU, 32-Bit

Utilized IC / Part:: STDRIVE101, STL110N10F7

Primary Attributes:: Motors (BLDC)

Secondary Attributes:: -

Contents:: Board(s)

EVALSTDRIVE101 FAQ

1.How can I place an order for EVALSTDRIVE101 through Aetrix?

Please submit a Request for Quotation (RFQ) for EVALSTDRIVE101 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 EVALSTDRIVE101 reliable?

The price and inventory of EVALSTDRIVE101 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for EVALSTDRIVE101 is usually 5 days.

3.What payment methods are accepted for EVALSTDRIVE101?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for EVALSTDRIVE101 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for EVALSTDRIVE101?

EVALSTDRIVE101 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your EVALSTDRIVE101 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 EVALSTDRIVE101?

For technical support, including EVALSTDRIVE101 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your EVALSTDRIVE101 requirements.

6.How does Aetrix verify that EVALSTDRIVE101 is sourced from the original manufacturer or authorized distributors?

All EVALSTDRIVE101 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 EVALSTDRIVE101 meets industry standards.

7.What is the process for return or replacement of EVALSTDRIVE101?

All EVALSTDRIVE101 units undergo pre-shipment inspection (PSI). If there is an issue with EVALSTDRIVE101, 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 EVALSTDRIVE101 part is unused and in its original packaging.

Return procedure for EVALSTDRIVE101:

1.Submit a request within 90 days.

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

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