Description
Have an application with a lot of small solenoids that need 12V power and rapid switching? Don’t want the expense of a bank of four separate solid state relays, each rated for five times the current each solenoid needs? This module lets you run up to four medium current 12 volt devices with high speed solid state switching.
The HSD-4 module provides four high side drivers for solenoids that need 12 volt power instead of ground. Wire a ground triggered output from an MS3Pro, MicroSquirt, or MegaSquirt to the HSD-4’s input, and it will supply a 12 volt output with up to 8 amps of current. Use it for medium current solenoids that have to be switched faster than a mechanical relay. Applications for the HSD-4 high side driver include:
- Toyota A340 and A341 transmissions
- Subaru W4A33 transaxles
- BMW Double VANOS variable valve timing solenoids
Most applications that require an HSD-4 have the solenoid ground connected to the solenoid body and a single wire supplying 12V to the solenoid.
The HSD-4 high side driver is epoxy potted for maximum vibration and water resistance. Suitable for underhood applications.
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