About ROHM Semiconductor
ROHM Semiconductor is a leading global supplier of integrated circuits (ICs) and electronic components. Founded in Kyoto, Japan, ROHM has established a strong reputation for high-quality, reliable products including power management ICs, discrete semiconductors (diodes, transistors), LEDs, laser diodes, passive components, and sensors.
ROHM's products are widely used in automotive electronics, industrial equipment, consumer electronics, and power supply applications. The company is particularly known for its SiC (Silicon Carbide) power devices, which offer superior efficiency for high-voltage applications.
Key Product Lines
- Power Management ICs - DC-DC converters, LDO regulators, LED drivers, motor drivers
- Discrete Semiconductors - Diodes (Schottky, Zener, switching), transistors (BJT, MOSFET), SiC power devices
- LEDs & Laser Diodes - Standard LEDs, infrared LEDs, laser diodes for optical disc and sensor applications
- Sensors - MEMS sensors (accelerometers, gyroscopes), hall ICs, temperature sensors, optical sensors
- Passive Components - Resistors, chip resistors, resistor networks
- Amplifiers & Comparators - Operational amplifiers, comparators, audio amplifiers
Application Fields
- Automotive Electronics (ADAS, body control, infotainment, lighting)
- Industrial Automation & Power Supplies
- Consumer Electronics (Smartphones, wearables, home appliances)
- Communication Infrastructure & IoT Devices
- Medical Devices & Healthcare
- LED Lighting & Display Applications
Quick Selection Guide for Popular ROHM Models
- BD9G341AEFJ - 48V, 3A step-down DC-DC converter, ideal for industrial power supplies and automotive applications
- BD433M2WFP3-C - 3.3V, 200mA LDO regulator, AEC-Q100 qualified for automotive use
- DTA143EUA - Digital transistor (PNP), built-in bias resistors, for switching applications
- DTC143EUA - Digital transistor (NPN), built-in bias resistors, for inverter and interface circuits
- RB160L-40 - 40V, 1A Schottky barrier diode, low forward voltage, for power rectification
- BA4560RF - Dual operational amplifier, low noise, for audio and signal conditioning
- RPR-220 - Reflective photo interrupter, for position detection and object sensing
💡 Need help selecting the right ROHM power IC or discrete semiconductor for your application? Contact us for technical support and datasheets.