Solid State Isolators and Relays
Reliable, low power, fast switching
Solid State Isolators (SSI) enable:
- Creation of custom solid state relays for loads up to 30kW
- Energy transfer across the isolation barrier for driving large MOSFET or IGBT's without additional isolated-side power supply circuitry
- Innovative protection features for designing robust and reliable Solid-State Relays
Key Features
- Coreless Transformer Technology
- Drives benchmark Infineon MOSFETs
- Temp.sense / current protection
- Switch Fast turn-on / Fast turn-off
- Isolation barrier energy transfer
- Dynamic Miller clamping
- Wide-body packages (300Mil)
- High creepage and clearance
- Reinforced isolation
Key Benefits
- No isolated bias supply required
- Galvanic Isolation up to 5.7 kV rms
- Minimizes the need for heatsinks
- Widest range of controllable switches
- Safe turn-on / off inside Switch SOA
- Safe operation of switch and system
- Eliminates spurious contact turn on
Coreless Transformer Isolator applications
When combined with a power switch, these solid-state isolators are a versatile circuit element that can create custom solid-state relays. These coreless transformer-based sold-state relays can replace electro-mechanical relays and reed relays.
Solid state relays are used in numerous applications such as:
- battery management systems
- power supplies
- process control
- power distribution
- programmable logic controllers (PLCs)
- automatic test equipment
- industrial automation
- robotics
- instrumentation systems
- thermostats
- audio equipment
- on/off hook switch
- general switching
- control of display and indicators
New product portfolio
The solid-state isolator family provides a powerful energy transmission over a galvanic isolation barrier to drive gates of MOS-controlled power transistors, such as CoolMOS™, OptiMOS™ or TRENCHSTOP™ IGBT
Infineon's new coreless transformer-based isolators offer:
- Faster and more reliable switching
- Reduced total cost of ownership
- Robust protection features
- Compatibility with Infineon’s broad switch portfolio
- Enhancement of solid-state solutions, favoring the replacement of mechanical solutions
