- Infineon Technologies AG
- NEXT Mobility
- ICT and Industrial
- Smart Factories and Robotics
Product overview
OptiMOS™ is a high-performance power MOS FETS series developed by Infineon, featuring low on-resistance (R_DS(on)), fast SWITCHES, and high breakdown voltage. Widely adopted in fields such as automotive, industrial, communications, and server POWER SUPPLIES, it contributes to design miniaturization, high efficiency, and thermal management. The OptiMOS™ series achieves industry-leading performance through the latest process technology, and is highly acclaimed by POWER SUPPLIES designers worldwide.
Main Applications
List of main features and specifications
Ultra-low on-resistance: R_DS(on) is reduced to the minimum, minimizing power loss
High-speed SWITCHES: Reduces SWITCHES losses and is ideal for high-frequency operation
High voltage resistance: Supports up to 150V, suitable for automotive and industrial applications
Various packages: Supports various mounting formats such as SMD, TOLL, and D²PAK
High reliability: AEC-Q101 compliant, automotive quality guaranteed
Product lineup and main features
OptiMOS™ 5
OptiMOS™ 5 is a 5th generation MOS FETS with low on-resistance and excellent high current capability, making it ideal for automotive and industrial applications. It achieves efficient power control while reducing SWITCHES losses. Its high reliability and excellent thermal performance ensure stable operation even in harsh environments.
[OptiMOS™ 5: Main features and specifications]
Voltage range: 30V~100V
Features: Ultra-low on-resistance (Rds(on)), high current capability
Package: TOLL, D²PAK, SOT-223, etc.
Applications: Automotive, industrial, and communication POWER SUPPLIES
Certification: AEC-Q101 compliant
Advantages: High efficiency, low heat generation, and improved reliability
OptiMOS™ 6
OptiMOS™ 6 is a 6th generation MOS FETS specializing in high-speed SWITCHES and low gate charge. It is ideal for high-frequency operation and contributes to EMI reduction. Its compact package allows for high design flexibility, making it ideal for automotive systems that are becoming increasingly electrified.
[OptiMOS™ 6: Main features and specifications]
Voltage range: 25V~80V
Features: Low gate charge (Qg), high-speed SWITCHES
Package: For compact, high-density designs
Applications: DC-DC CONVERTERS, ADAS, electric pumps
Certification: AEC-Q101 compliant
Advantages: EMI reduction, increased design freedom
OptiMOS™ 7
OptiMOS™ 7 is the latest generation MOS FETS, offering up to 40% lower Rds(on) and significant improvements in SWITCHES loss, thermal performance, and robustness. It supports high-density, high-efficiency designs, making it the ideal power solution for next-generation automotive applications such as EVs and ADAS.
[OptiMOS™ 7: Main features and specifications]
Voltage range: 40V~80V (expanding)
Features: Rds(on) reduced by up to 40%, improved thermal performance
Package: TOLL, LFPAK, D²PAK, etc.
Applications: EV powertrain, BMS, 48V systems
Certification: AEC-Q101 compliant
Advantages: Ideal for high-density, high-efficiency designs
Benefits of implementation
| problems | solution |
|---|---|
| Want to reduce power loss | Ultra-low R_DS(on) improves efficiency and reduces heat generation |
| Want to operate at high frequencies | High-speed SWITCHES reduces SWITCHES losses |
| Automotive quality required | AEC-Q101 compliant to ensure reliability |
| Limited mounting space | Small package allows for high density mounting |
For detailed technical information, please visit the Infineon website.
Use cases and implementation examples
1. Automotive DC-DC CONVERTERS
[Use case overview]
DC-DC CONVERTERS that supply stable POWER SUPPLIES to automotive ECUs and sensor modules require high efficiency, low heat generation, and high reliability.
Improving power density and optimizing thermal design are particularly important for EVs and vehicles equipped with ADAS.
[Major functions and benefits of implementation]
Ultra-low on-resistance (R_DS(on)) reduces power loss by up to 30%
High-speed SWITCHES performance enables the use of smaller INDUCTORS and CAPACITORS by increasing SWITCHES frequency
AEC-Q101 compliant, clearing automotive quality tests (temperature cycle, vibration, humidity)
TOLL package adoption achieves both heat dissipation and mounting efficiency
Effect of introduction: Reduced heat generation from the ECU and reduced heat sink size → Contributes to overall vehicle weight reduction
2. Industrial POWER SUPPLIES (PLC/motor control)
[Use case overview]
Factory control equipment requires long-term operation, high durability, and noise resistance.
In particular, when it comes to motor control, transient currents and EMI countermeasures are design issues.
[Major functions and benefits of implementation]
Withstands 150V, safely handles transient voltages and inrush currents
Wide temperature range (-55℃ to +175℃) ensures stable operation even in outdoor installations and high-temperature environments
EMI reduction design allows for simplified noise FILTERS
D²PAK package provides both heat dissipation and mechanical strength
Benefits of implementation: Reduced manufacturing costs by approximately 15% due to reduced control panel size and fewer parts
3. Communications and server POWER SUPPLIES
[Use case overview]
Communication base stations and data centers require high density, high efficiency, and low heat generation, and MOS FETS performance is directly linked to the size, cooling design, and power consumption of POWER SUPPLIES unit.
[Major functions and benefits of implementation]
R_DS(on) minimum value of 0.9mΩ class minimizes power loss
High-speed SWITCHES (>1MHz) enables miniaturization of POWER SUPPLIES circuits and improved response
The SuperSO8 package reduces mounting area by approximately 40%
Benefits of installation: Eliminates the need for a cooling fan in POWER SUPPLIES unit → Reduces power consumption and noise
4. EV INVERTERS control
[Use case overview]
INVERTERS that control EV drive motors require high current, fast response, and high reliability. MOS FETS performance affects acceleration, driving range, and safety.
[Major functions and benefits of implementation]
The TOLL package supports large currents (>100A) and is ideal for driving motors.
High-speed SWITCHES improves torque response
Low on-resistance reduces power loss and extends driving range by up to 5%
Benefits of introduction: Reduced heat generation from INVERTERS → Simplified cooling system and reduced vehicle weight
5. Solar power conditioner
[Use case overview]
In solar power generation, the efficiency of DC-AC conversion is directly linked to the amount of power generated.
The performance of MOS FETS affects conversion efficiency, heat generation, and installation costs.
[Major functions and benefits of implementation]
High-voltage design (up to 200V) allows for flexible response to fluctuations in panel voltage
High-speed SWITCHES improves conversion efficiency up to 98%
Long-life design ensures stable operation for over 20 years even when installed outdoors
Benefits of installation: Improved power generation efficiency increases annual electricity sales revenue by approximately 8%
MOS FETS component information search
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