Features
■ Input voltage from 12 to 28 V DC (Nominally 21 V)
■ Output RMS current up to 20A
■ The board comprises the following key devices:
■ STM32G473CET6: A high-performance Arm®-based Cortex®-M4 32-bit MCU+FPU in LQFP48 (7x7mm) package. The MCU embeds trigonometric and arithmetic math accelerators (CORDIC + FMAC), timers for motor control PWM and dead time generation
■ STDRIVE101: triple half-bridge gate driver in VFQFPN (4x4mm) with
■ inbuilt regulator
■ STL220N6F7: six N-channel 60 V, 0.0012 Ω typ., 120 A, STripFET F7 power MOSFET in a PowerFLAT 5x6 package
■ L6981NDR: 38 V, 1.5 A synchronous step-down converter in a
■ PowerSO-8 package
■ LDL112: 1.2 A low quiescent current LDO with reverse current protection
■ in a SO8-batwing package
■ TSV912IQ2T: dual rail to rail input/output 8MHz op amp
■ BAT54KFILM: 40 V, 300 mA small signal Schottky diodes (single)
■ BAT54SWFILM: 40 V, 300 mA small signal Schottky diodes (series)
■ 2STR2160: low voltage fast switching PNP power transistor
■ 2STR1160: low voltage fast switching NPN power transistor
■ 2STR21STPS0560Z: 60 V, 0.25 A power Schottky rectifier
■ ESDALC6V1-1U2: single line low capacitance transilTM for ESD protection is a precision 500 mA regulator
■ Hardware features enabling efficient motor control options
■ Independent ADCs for 3-phase current sensing through shunts
■ 3 ADC channels for back EMF sensing
■ Bus voltage sensing
■ Hardware over current protection through gate drive
■ Option for temperature sensing
■ Option for digital hall sensors or encoder inputs
■ Option for mounting heat sink Product summary Compact, customizable and configurable reference design for battery operated BLDC/ PMSM power tools based on STM32G473 and STDRIVE 101 STEVAL-PTOOL4A Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, High Analog level integration STM32G473CET6 Triple half-bridge gate driver STDRIVE101

Applications
■ Industrial motor control Compact, customizable and configurable reference design for battery operated BLDC/PMSM power tools based on STM32G473 and STDRIVE 101 STEVAL-PTOOL4A Data brief DB5216 - Rev 1 - April 2024 For further information contact your local STMicroelectronics sales office.