STEVAL-PTOOL1V1

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Compact reference design for low voltage brushless power tools based on STSPIN32F0B

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概要

製品概要

概要

概要

This STEVAL-PTOOL1V1 compact 70 mm x 30 mm reference design board is tailored for low voltage power tools driven by 3-phase brushless motors, supplied by 2S to 6S batteries. The design is based on the STSPIN32F0B controller and STL180N6F7 (or STL220N6F7) power MOSFET.

The board is ready for sensorless and sensored FOC, and can be configured for six-step sensorless control through available BEMF sensing circuitry. The accompanying six-step STSW-PTOOL1V1 firmware uses position feedback from Hall effect sensors, with debugging and programming capability available through the SWD interface and the direct firmware update feature.

The board can deliver up to 15 A continuous current, thanks also to the optimal thermal dissipation provided by an embedded heatsink. It embeds a fast power-on circuit that connects and disconnects the battery, allowing standby consumption below 1 μA for extended battery duration. Several protection features are included, such as thermal shutdown, undervoltage lockout, overcurrent protection with programmable threshold and reverse biasing of power stage outputs.

This reference design is predominately intended for power tools, but is very suitable for any battery-powered application involving similar architecture, rating and performance. A potentiometer input for speed variation is available.

  • 特徴

    • 7 - 45 V motor voltage rating supported
    • Recommended for power tools supplied from 2S to 6S batteries
    • Output current up to 15 Arms
    • STSPIN32F0B advanced 3-phase motor controller tailored for single-shunt applications
    • STL180N6F7 60 V, 1.9 mΩ N-channel power MOSFET
    • Ultra-low standby current below 1µA thanks to an external turn-on/off trigger
    • Heat sink for improved power dissipation
    • Extremely compact footprint (70 mm x 30 mm)
    • Input connector for Hall effect sensors and encoder
    • Plug-and-play capability through six-step firmware with Hall effect sensor feedback
    • Six-steps sensorless control available through dedicated BEMF sensing circuitry and sensorless/sensored Field Oriented Control
    • Speed regulation through an external trimmer
    • Protections: thermal shutdown, UVLO, overcurrent and reverse biasing of power stage outputs
    • SWD debug interface and direct firmware update (DFU) via UART

eDesignSuite

eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Power Management Design Center

Thermal-electrical Simulators for Components

Signal Conditioning Design Tool

NFC/RFID Calculators

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Power Management Design Center

Power Supply Design Tool

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• Supports various PCB configurations
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太陽光発電システム
Power Management Design Center

LED Lighting Design Tool

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• Displays interactive and annotated schematic
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Power Management Design Center

Digital Power Workbench

• Provides a step-by-step optimized design of power section and control loop
• Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs
Power Management Design Center

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• Specify input/output power for each node in the tree
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AC Switches Simulator

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Thermal-electrical Simulators for Components

Rectifier Diodes Simulator

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Thermal-electrical Simulators for Components

STPOWER Studio

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Thermal-electrical Simulators for Components

Twister Sim

• Help select the right ViPOWER Automotive power device
• Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis
• Supports various PCB configurations
Thermal-electrical Simulators for Components

TVS Simulator

• Specify system ratings and surge waveform
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Thermal-electrical Simulators for Components

Estimate

• Build simple schematics and firmware inputs in minutes
• Quickly generate reliable estimates of battery life, system power consumption and bill of materials costs
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Signal Conditioning Design Tool

Active Filters

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• Returns circuit component values
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Signal Conditioning Design Tool

Comparators

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Signal Conditioning Design Tool

Low side Current Sensing

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Signal Conditioning Design Tool

High side Current Sensing

• Provides current error graphs.
• Help to select the right High side current sensing and shunt devices.
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NFC/RFID Calculators

NFC Inductance

• Input geometry and substrate properties
• Get antenna impedance
NFC/RFID Calculators

UHF Link Budget

• Enter forward and reverse link characteristics
• The tool returns link budget estimate
NFC/RFID Calculators

NFC Tuning Circuit

• Enter antenna parameter and matching target
• Select the topology of the matching network
• The tool returns component values for the desired design targets
Thermal-electrical Simulators for Components

PCB Thermal Simulator

• Thermal analysis of a PCB from Gerber files.
• Possibility to add heat sources, heat sinks, copper areas and thermal paths.
• Powerful server-side engine for rendering and simulation.
• Thermal results shown graphically via 2D table.

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Active: Product is in volume production
Evaluation: Product is under characterization. Limited Engineering samples available
Preview: Product is in design stage
Target: Product is in design feasibility stage.No commitment taken to produce
Proposal: Marketing proposal for customer feedback.No commitment taken to design or produce
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