ROHM Semiconductor LogiCoA001-EVK-001 Evaluation Board
ROHM Semiconductor LogiCoA001-EVK-001 Evaluation Board is a versatile platform designed to evaluate and demonstrate the performance of ROHM's analog-digital fusion control technology, LogiCoA™ (Logic Converter and Amplifier) solutions. This board facilitates seamless logic level conversion and signal amplification, making it ideal for applications requiring robust communication between components operating at different voltage levels. With support for a wide range of voltages and high-speed operation, the board is suitable for consumer electronics, industrial automation, IoT devices, automotive systems, and test equipment. The compact design and user-friendly interface enable engineers to quickly integrate and test functionality, ensuring compatibility and performance across diverse systems.
The ROHM Semiconductor LogiCoA001-EVK-001 Evaluation Board includes an ML62Q2035 microcontroller suitable for LogiCoA, a 100V BD2320EFJ-LA gate driver, BD950N1WG-C and BD900N1WG-C LDOs, a BU7481SG operational amplifier, and LTR100LJZPFSR020 shunt resistor. Design data, sample software, and an operating system for power supply control are available.
Features
- 16-bit RISC CPU core (nx-U16/100), 16MHz maximum operating frequency
- Memory
- 32KB code flash
- 4KB data flash (128B erase unit)
- 2KB RAM
- 3-channel analog comparator (asynchronous to clock), 100ns maximum response time
- Timer
- 16-bit timer with PWM/Capture × six counters, ten outputs
- 64MHz maximum operation (15.625ns resolution)
- 5-channel, 12-bit AD converter (SA-ADC)
- 2-channel, 8bit DA converter (DAC)
- 1-channel programmable gain amplifier, 4-step (×4/×8/×16/×32) gain settings
- One I2C and two UART serial I/F
- One input port, 15 I/O ports
- Four external interrupts
- Multiplication/division unit
- Temperature sensor
- Power ON reset
- Clock
- Low - 32.768kHz ±1.5% internal RC oscillator
- High
- 64MHz ±1.5% PLL
- 16MHz to 125kHz ±1.5% CPU
- 64MHz to 500kHz ±1.5% PWM/capture
- CPU current consumption
- 80μA stop
- 90μA halt
- 3.3mA active at 16MHz
- 4.5V to 5.5V operating supply voltage
- 7.5V to 38.0V input voltage range
- 5V output voltage
- 5A maximum output current
- 160Hz switching frequency
- 80% maximum duty
- Temperatures
- -40°C to +105°C operating range
- +115°C junction
- +125°C absolute maximum
- TSSOP20 package
Applications
- Logic level conversion
- Signal amplification
- Consumer electronics
- Industrial automation
- Internet of Things (IoT) devices
- Automotive systems
- Test and measurement equipment
System Overview
Block Diagram
Resources
- User Guide
- Schematic
- Layout
- BOM
- Application Note: Serial Communication of RMOS and GUI Developing Manual
- Application Note: Operating System for Switching Power Control MCU "RMOS"
- Application Note: Analog-Digital Hybrid Control Innovating Switching Power Supply Design
- Application Note: Analog-Digital Hybrid Power Supply Synchronous Buck DC-DC Converter Operating Instructions
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