Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
Electronics Tech Update β 17 April 2026
The electronics industry is continuously evolving with innovations in power conversion, semiconductor devices, and embedded control systems.
In this tech update, we explore newly introduced components and emerging design trends that are highly relevant for engineers working in:
- SMPS design
- Power electronics
- Embedded systems
- EV and industrial applications
1. Power Integrations Launches InnoSwitch3-EP Series (INN3x78C Family)
Power Integrations has expanded its popular InnoSwitch family with the INN3978C, designed for high-efficiency flyback converters.
This IC integrates:
- Primary switch (high-voltage MOSFET)
- Secondary-side controller
- Feedback via FluxLinkβ’ (eliminates optocoupler)
Key Highlights:
- Supports up to 100W output power
- High efficiency (>94%)
- Reduced component count
- Improved reliability (no optocoupler aging issue)
Engineering Insight
This is particularly important because:
- Traditional flyback uses optocouplers β prone to aging
- FluxLink-based feedback improves long-term stability
- Integration reduces PCB size and design complexity
π Widely used in:
- Fast chargers
- Adapter SMPS
- Consumer electronics
2. Wolfspeed Introduces C3M0065100K SiC MOSFET
Wolfspeed continues advancing SiC technology with the C3M0065100K.
This device is designed for high-efficiency and high-voltage applications.
Key Specifications:
- Voltage rating: 1000V
- RDS(on): 65 mΞ©
- Low switching losses
- High temperature capability
Why This Matters
SiC MOSFETs like C3M0065100K enable:
- Faster switching β smaller magnetics
- Lower losses β higher efficiency
- Better thermal performance β reduced cooling
Applications:
- EV chargers
- Solar inverters
- Industrial SMPS
π Trend: SiC is replacing IGBTs in high-power designs
3. Microchip Technology Launches dsPIC33CK256MP508 Digital Controller
Microchip Technology has introduced the dsPIC33CK256MP508, targeting digital power control and embedded applications.
Key Features
- High-speed DSP core
- Dedicated PWM modules for SMPS
- Built-in ADCs
- Real-time control capability
Engineering Importance
This controller is ideal for:
- Digital SMPS
- PFC control
- Motor control
Key Advantages:
- Enables software-based control loop tuning
- Supports advanced algorithms (PID, adaptive control)
- Reduces dependency on analog compensators
π Perfect for engineers moving toward digital power electronics
4. ROHM Semiconductor Develops BD9G500EFJ-LA Buck Converter IC
ROHM Semiconductor has introduced the BD9G500EFJ-LA for automotive and industrial applications.
Key Highlights:
- Input voltage: up to 76V
- Integrated MOSFETs
- High efficiency design
- Automotive-grade reliability
Engineering Insight
This IC is important because:
- Supports wide input range β useful in automotive systems
- High efficiency reduces heat generation
- Compact design simplifies PCB layout
π Applications:
- Automotive ECUs
- Industrial control systems
- Distributed power systems
5. Design Trend: Shift Toward Optocoupler-Less Feedback
A major emerging trend in SMPS design is:
Eliminating optocouplers in feedback loops
Why This is Happening
Traditional optocouplers suffer from:
- Aging over time
- Gain variation
- Reduced reliability
New Alternatives
- Magnetic coupling (FluxLinkβ’ in INN3978C)
- Digital isolators
- Primary-side regulation
Engineering Benefits
- Improved long-term stability
- Reduced component count
- Better efficiency
π This trend is especially visible in:
- Flyback converters
- Compact adapters
- Consumer SMPS
About The Author
