Inverter for Cordless Power Tool

The three-phase brushless DC motor drive circuit, which combines six MOSFETs (TPH1R204PB, TPH2R408QM) and a gate driver (TB67Z833SFTG), enables compact yet highly efficient motor control. It supports various input modes. This reference design provides design guide, data, and other contents.

Board Appearance
Board Appearance
TPH1R204PB TPH1R204PB TPH1R204PB TPH2R408QM TC75W58FU TB67Z833SFTG

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Features

  • Various input mode support
  • 3-shunt and 1-shunt configuration support
  • Overcurrent detection function
  • Use of small-package MOSFET
  • Board size: 55 mm x 55 mm

Description

Input Power Supply Voltage (Type1) DC 12V to 24V, (Type2) DC 24V to 48V
Input Control Signal Voltage DC 5V
Rated Output Current 20A
Circuit topology 3-Phase Inverter Circuit

Design Documents

Materials for designers, such as an overview of circuit operation and explanations of design considerations. Please click on each tab to view the contents.

Design Data

Provides circuit data that can be loaded into EDA tools, PCB layout data, and data used in PCB manufacturing. Available in formats from multiple tool vendors. You can freely edit it with your preferred tool.

Used Toshiba Items

Part Number Device Category Portion Usage Description
Brushless motor driver IC 3-Phase Inverter Circuit・1 3-phase brushless motor gate driver
Power MOSFET (N-ch single 30V<VDSS≤60V) 3-Phase Inverter Circuit・6 N-ch MOSFET, 40 V, 0.0012 Ω@10V, SOP Advance, U-MOSⅨ-H
Power MOSFET (N-ch single 60V<VDSS≤150V) 3-Phase Inverter Circuit・6 N-ch MOSFET, 80 V, 0.00243 Ω@10V, SOP Advance, U-MOSⅩ-H
Comparator (CMOS) Dual Comparator (CMOS), 7 V, +/-3.5 V, SOT-505(SM8)

Related Documents

We provide materials useful for designing and considering similar circuits, such as application notes for installed products. Please click on each tab to view the contents.

Applications

Cordless Power Tool
Such as low power consumption and miniaturization are important in designing cordless power tools. Toshiba provides information on a wide range of semiconductor products suitable for motor drive units, control units, power supply and charge management units, etc., along with circuit configuration examples.
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