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Electronic Control (ECU) & Power Conversion Units (PCU)

ECUs and PCUs face many challenges. WACKER’s wide portfolio of silicones offers the solution. Besides protecting the electronics, they provide functional safety and thermal management, while being efficient to process and manufacture. Our silicones meet the power-conversion industry's demands for efficient thermal management and heat resistance. Our latest adhesives feature quick adhesion build-up with minimum energy input (< 10 min at 60 – 80 °C) and special grades even enable oven-free processing.

Electronic Control Unit (ECU)

The comfort, safety and fuel efficiency of modern automobiles are mostly determined by the quality of the electronic control devices. High-quality silicone elastomers from our ELASTOSIL^®, SEMICOSIL^® and WACKER SilGel^® product series ensure that electronic control and safety systems operate efficiently and safely over the long term.

Benefits:

Low modulus over a wide temperature range
Reduction of mechanical and thermal stress
Highly reliable at temperatures between -90 °C and over 200 °C (special grades up to 230 °C)
Assist in the dissipation of heat (thermal management)
Thermally conductive adhesives, encapsulants and gap fillers all assist in the dissipation of heat
Low-energy curing, rapid curing
Non-bleeding, non-exuding
Fuel and oil resistant
High tear strength
Compressible

Applications:

Seal/bond housing components (CIPG, FIPG and preformed gaskets)
Protect electronic components by potting or encapsulating (incl. dam and fill)
Anti-locking systems
Engine control
Air-flow meters
Airbags

Power Conversion Unit (PCU)

High-performance silicones from our ELASTOSIL^®, SEMICOSIL^® and WACKER SilGel^® product series meet the power-conversion industry's demands by providing efficient heat management and high temperature resistance. Our latest adhesives developments offer quick adhesion build-up with minimum energy input (< 10 min at 60 – 80 °C). Special grades even enable oven-free processing.

General Benefits:

Dissipate heat (thermal management) by providing a durable coupling between the heat source (electronic device) and the heat sink (active or passive cooling system)
Protect against moisture, oxidation, chemicals and vibration
Extend life and performance

Applications used for xEV Power Conversion:

Converters
Inverters
On-board chargers
Boosters
Inductive charging

Applications High-Voltage Conversion Unit:

Conformal coating (PCB protection)
Sealing of connector and housing
Selective (thixotropic) potting (power module / insulated gate bipolar transistor (IGBT) protection)
Potting of sensitive electronics incl. dam and fill