Key Parameters
Compatibility: Designed for ESP32-S3 series development boards (supports 38/44/56-pin packages).
Input Voltage: 4.5V–36V DC (wide voltage compatibility). Features an onboard MP1584EN synchronous buck converter delivering 5V/3A output.
Expansion Interface: 44-pin full breakout (2.54mm pitch headers).
Power Output:
5V/3A max (independent switching regulator).
3.3V/500mA max (LDO linear regulator).
Protection:
Over-current: 1A self-recovery fuse per GPIO.
ESD protection: ±8kV (USB/critical signals).
Communication: USB-OTG via Type-C (direct ESP32-S3 DP/DM pins).
Debugging: 6-pin SWD
Operating Temperature: -40°C to +85°C .
Pin Functions
IN+: DC input positive (4.5V–36V), connect to external power supply (≥2A current recommended).
GND: Power ground (common with motherboard).
5V OUT: 5V regulated output (3A max) for servos/displays.
3V3 OUT: 3.3V output (500mA max) for sensors/logic ICs.
GPIO0-48: Multipurpose digital I/O (UART/SPI/I²S/PWM/CAN).
GPIO19-20: USB_DP/USB_DM (OTG passthrough).
SWDIO/SWCLK: Debug data/clock lines (GPIO39/40).
BOOT: Download mode enable (pull low to enter).
EN: Motherboard enable control (low = reset) .
【Full Pin Expansion for ESP32-S3 Series】44-pin header with 2.54mm pitch; supports 38/44/56 pin development boards; simplifies complex peripheral integration
【Robust Power Management System】5V output up to 3A via MP1584EN buck converter; 3.3V LDO for low-power sensors; built-in overcurrent protection on each GPIO
【Integrated USB OTG and Debug Port】Type-C USB-OTG interface for host mode; 6-pin SWD debug port; supports firmware updates and real-time debugging
【High-Reliability Design with ESD Protection】±8kV ESD protection on critical signal lines; self-recovery 1A fuse for GPIO short circuits; operates reliably in industrial Settings from -40°C to +85°C
【Easy Integration with Popular Development Platforms】Compatible with for Arduino and for Raspberry Pi; provides clear pinout documentation; Suitable for AI vision, multi-sensor fusion, and HMI projects
