Hardware

Fusion Slim H5 Lite

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Fusion Slim H5 Lite is a compact and modular development board designed by mBedLab, combining high-performance Cortex-M33 processing with a unified slim form factor for advanced embedded and industrial applications.

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The Fusion Slim H5 Lite development board is a compact, powerful, and versatile tool from the Fusion Slim series. Designed with a ultra-small form factor (25 × 65 mm), it is ideal for industrial automation, embedded systems, and mid-to-high performance analog/digital applications. A key feature of the Fusion Slim series is its uniform pinout and wiring compatibility across all models, allowing seamless board swapping without hardware redesigns.

  • Key Features:

    Typical Application:

    • Industrial Automation & Embedded Systems
    • Analog and Digital Signal Processing
    • Internet of Things (IoT) & Advanced Robotics
    • Rapid Hardware Prototyping

    Processor:

    • STMicroelectronics STM32H503CBU6 (Arm® Cortex®-M33 32-bit MCU + FPU @ 250MHz / 375 DMIPS)

    Memory:

    • 128 Kbytes Flash + 32 Kbytes SRAM (Internal)
    • 32 Mbit On-board External Flash Memory

    Power:

    • USB Type-C
    • Li-ion/Li-Po Battery Management (Charge and Boost)
    • Separated Output & Board Power Supply for Enhanced Protection

    Sensor:

    • 3 Axis Accelerometer + Temperature

    Protection:

    • ESD Protection
    • Short Circuit Protection
    • Overcurrent Protection

    Expansion Connectors:

    • FlexI2C Connector and Interface
    • High-Density Expansion Connectors
    • Fully Compatible with moduX Series Modules
    • Fully Compatible with Fusion Slim Series Modules

    Other:

    • Compact Dimensions: 25 × 65 mm
    • Dedicated Reset and Program (Boot) Buttons
    • Battery Charging Status LED
    • User Programmable RGB LED
    • Inter-operable Pinout with All Fusion Slim Series Boards

    IDE and Software:

    • Arduino IDE
    • STM32CubeIDE
    • Standard ARM Toolchains & IDEs

    Key Benefits:

    • Modern Cortex-M33 Architecture: High-speed 250MHz processing with FPU for demanding mathematical and signal processing tasks.
    • Modular & Interchangeable Design: Standardized Fusion Slim wiring enables instant hardware upgrades across different MCU architectures.
    • Advanced Power Protection: Integrated Li-ion charger with isolated board/output supply paths prevents damage to core electronics.
    • High Density Connectivity: High-Density headers along with moduX and FlexI2C ecosystems provide maximum scalability.
    • High-Speed External Storage: 32 Mbit external flash for data logging, file systems, and firmware storage.
    • Popular Programming Platform Support: Arduino IDE and STM32CubeIDE are popular, user-friendly programming platforms that offer flexibility to developers of all skill levels.
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Board
Name mBedLab® Fusion Slim H5 Lite
SKU MEP03001
Microcontroller
STMicroelectronics STM32H503CBU6
USB connector
USB connector USB-C®
Analog-to-digital converter (ADC)
Channels 7
Resolution 12 bits
Power
Board operating voltage 3.3V
Board input voltage (VIN) 5V
Li-ion Battery 4.2v (Boost to 5v/0.6A)
Clock speed
250MHz
Memory
Internal FLASH 128KB
Internal RAM 32KB
On-Board External FLASH 32Mbit
Display/Indicator
LED Battery Charging Status
RGB LED User RGB LED
Sensor
Accelerometer + Temperature LIS2DH12TR
Protection
ESD Protection
Short Circuit Protection
Overcurrent Protection
Expansion Boards/Modules
moduX Intelligent I2C Modules
High-Density Connectors
FlexI2C Intelligent I2C Modules (Compatible with Arduino QWIIC)
Fusion Slim Expansion