Etamicro Officially Became
Semiware Chinese Mainland Authorized Distributor

About Semiware Semiconductors

Semiware Semiconductors (Semiware Semiconductor Co., Ltd.) is a high-tech enterprise specializing in the R&D, production, and sales of high-performance circuit protection devices and discrete semiconductor products. Founded by a senior technical team from the circuit protection industry, the company is committed to becoming a leading comprehensive service provider of circuit protection solutions.

Semiware provides over 300 interface protection reference designs, with products fully covering multiple application fields such as automotive electronics, industrial control, consumer electronics, new energy vehicles, and energy storage systems. Core products have passed AEC-Q series certification, and the company has established a complete IATF 16949 quality management system, which can meet the strict requirements of automotive electronics and high-end industrial customers for high-reliability protection devices.

Product Lines

1. Transient Voltage Suppression (TVS) Diodes

Covering general-purpose, automotive grade, high-current series, and high-reliability TVS diodes, with response speed up to picosecond level, which can effectively suppress surge voltage and protect sensitive circuits from lightning, static electricity, and switch noise interference.

• General-purpose TVS Diodes：Covering 5V-400V full voltage range, suitable for surge protection of various electronic devices
• Automotive Grade TVS Diodes：AEC-Q101 certified, specially used for automotive electronics system protection
• High-Current TVS：Peak pulse current can reach several kA, suitable for new energy and industrial grade protection scenarios

2. Electrostatic Discharge (ESD) Suppressors

• General-purpose ESD Suppressors：Ultra-low capacitance (as low as 0.2pF), suitable for high-speed data interface protection
• Automotive Grade ESD Suppressors：AEC-Q101 certified, suitable for in-vehicle USB, HDMI, Ethernet and other interfaces
• Polymer ESD Suppressors：Ultra-thin package, suitable for space-constrained portable devices
• MLV ESD Suppressors：Multi-layer varistor structure, high reliability

3. MOSFET Power Devices

• Automotive Grade MOSFET：AEC-Q101 certified, suitable for automotive power supplies, motor drivers, BMS, etc.
• Power MOSFET：Low on-resistance, high current carrying capacity, suitable for power conversion and motor control
• Small Signal MOSFET：Suitable for signal switching and small power driving

4. Overcurrent Protection Devices

• PTC Self-Recovery Fuse (PPTC)：Automatically cut off when overcurrent, automatically recover after fault is cleared, no need to replace
• NTC Thermistor：Surge current suppression, temperature detection and compensation

5. Other Protection Devices

• Semiconductor Discharge Tube (TSS)：Low clamping voltage, suitable for communication interface protection
• Gas Discharge Tube (GDT)：Large flow capacity, suitable for lightning protection
• Varistor：Overvoltage protection, suitable for AC/DC power protection
• PLED Open Circuit Protector：LED string open circuit protection, improving lighting system reliability

Typical Application Scenarios

Semiware products have been widely used in the following fields:

• New Energy Vehicles：OBC onboard charger, DC fast charging pile, BMS battery management, PTC heater
• Automotive Electronics：77GHz millimeter-wave radar, ADAS, smart cockpit, domain controller, body control modules
• Industrial Control：PLC, sensors, smart meters, industrial communication equipment
• Energy Storage and New Energy：PV inverters, energy storage systems (ESS), UPS uninterruptible power supply
• Consumer Electronics：Mobile phones, tablets, TWS earphones, smart wearables, PD fast charging

Etamicro Service Commitments

As an authorized distributor of Semiware, Etamicro will provide customers with one-stop service from selection to mass production:

• Selection Support：Based on specific customer applications (onboard charging, BMS, ADAS, etc.), quickly recommend the optimal protection solution
• Sample Service：Quickly provide samples and reference designs to accelerate customer product verification cycle
• Technical Support：Cooperate with original factory FAE to provide application debugging, EMC optimization and reliability test guidance
• Stable Supply：Relying on Etamicro supply chain resources to ensure long-term stable delivery
• 300+ Reference Designs：Provide Semiware standard interface protection reference designs to shorten customer R&D cycle

Building Circuit Safety Defense

Under the background of rapid development of automotive electrification, intelligence and new energy industries, circuit protection devices, as the "safety guard" of electronic systems, are becoming increasingly important. Etamicro will give full play to the advantages of localized FAE services, combined with Semiware's high-reliability protection devices, to escort customers' automotive electronics and industrial applications.

If you need to know the full product series details of Semiware or apply for samples, please feel free to contact the Etamicro sales team.