1500V Relay For Battery Management Systems

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Miniature 1500V PhotoMOS relay meets the switching requirements of Battery Management Systems

Panasonic has introduced a new 1500V PhotoMOS relay in miniature DIP5 packaging for use in industrial BMS

The new PhotoMOS HE relay series from Panasonic Industry Europe offers 5kV I/O isolation and an increased clearance and creepage distance on the output side, plus miniature 1-Form-A DIP5 packaging, making it particularly suitable as the switching system for Battery Management Systems (BMS) in storage systems, charging stations, and numerous other high voltage measurement and infrastructure control applications.

”Industrial BMS applications demand reliability and consistent performance over the product lifespan”, says Michael Renner, Product Manager at Panasonic Industry Europe. “These new devices extend the load voltage of Panasonic’s PhotoMOS relay family and improve ruggedness and stability.”

Rated at 1,500V/20mA, the AQV258H5 HE series PhotoMOS relays have a MOSFET output and enjoy an almost unlimited lifetime if used according to the specifications. On-resistance remains stable throughout the entire lifetime – and AQV258H5 HE series PhotoMOS relays – unlike electromechanical devices – are unaffected by vibration, a significant benefit in many industrial applications.

The PhotoMOS series AQV258H5 relays also feature a low control current and low leakage current and produce no switching noise. Devices come with 5 pins to accomodate different creepage and clearance requirements, but a 6 pin version is also available. Both types are offered with through-hole or surface-mount terminations.

Jonathan Newell
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