STMicroelectronics STM32G474RE | Demoboard STEVAL-DPSG474

Description

The STEVAL-DPSG474 is a digital power supply control kit. It consists of a main board, based on the STM32G474RE microcontroller from the STM32G4 family, and an adapter board, which provides different communication interfaces and allows programming the microcontroller through a standard 20-pin JTAG connector. The STM32G474RE microcontroller includes the high-performance Arm® Cortex® M4 32-bit RISC core operating at up to 170 MHz frequency, a floating point unit (FPU), a full set of DSP (digital signal processing) instructions, and high-speed embedded memories (512 Kbytes of flash memory and 128 Kbytes of SRAM).The device embeds peripherals that allow the mathematical/arithmetic function acceleration (CORDIC for trigonometric functions and FMAC unit for filter functions).The MCU offers five fast 12-bit ADCs (5 Msps), seven ultra-fast comparators, six operational amplifiers, seven DAC channels (three external and four internal), a low-power RTC, 32-bit timers, three timers dedicated to motor control, seven general-purpose 16-bit timers, one 16-bit low-power timer, and the high-resolution timer (HRTIM) with 184 ps resolution, specifically designed to drive power conversion systems.The main board embeds a standard 64-pin DIN 41612 connector for connection with a power board. It provides all the PWM control signals, sensing networks, and protection features needed for a wide range of digital power supply applications.An external 5 V supply voltage can supply the board either through a dedicated connector or through the main connector. The adapter board features a configurable user communication (SMBus, CAN, or RS-232) with two DB9 connectors and the appropriate transceiver ICs, a standard STDC14 14-pin connector, which provides the SWD interface for debugging and USART communication for user interface (UI), and the standard JTAG connector for programming.The board also includes a reset button and a termination resistance between the CAN lines.You can easily connect the STEVAL-DPSG474 to another control board via opto-coupled serial communication and dedicated connectors.

Features

• Control board for digital SMPS (PFC converters, HF isolating DC-DC converters, DC-AC inverters) based on the STM32G474RE microcontroller:
• High-resolution timer (HRTIM) for D-SMPS applications
• Filter math accelerator unit (FMAC) to perform arithmetic operations on vectors
• Coprocessor (CORDIC) to provide hardware acceleration of trigonometric functions
• 64-pin DIN 41612 connector for D-SMPS modular approach
• STDC14 programming connector
• Opto-coupled serial communication for board-to-board communication
• RC filters for analog inputs
• Protection of the microcontroller analog lines with diode arrays
• ESD protection on SWD and COM lines
• Adapter board provided for programming and user communication (USART, CAN, SMBus)
• Supply voltage: 5 V
• Embedded 5 V/3.3 V voltage regulator
• Dedicated test points for debugging
• LED signaling for power-on, faults, errors, and general purpose
• RoHS compliant

Typical applications

• digital SMPS

More information

• Datasheet
• IC product information