UG246: Si875x User's Guide
The Si875x isolated MOSFET driver is ideal for driving power switches used in a wide
variety of applications, offering longer service life and dramatically higher reliability com-
pared to common SSRs. The Si875x isolated MOSFET driver utilizes Silicon Laborato-
ries' proprietary silicon isolation technology supporting up to 2.5 kVRMS withstand volt-
age per UL1577 and VDE0884. This technology enables reduced variation with temper-
ature and age, better part-to-part matching, and extremely high reliability. High integra-
tion, low propagation delay, small installed size, flexibility, and cost-effectiveness make
the Si875x ideal for a wide range of isolated MOSFET gate drive applications. The
Si875x evaluation board allows designers to evaluate Silicon Labs' Si875x family of
MOSFET drivers. The boards come populated with either the Si8751 (digital input) or
Si8752 (LED emulator input) version of the family. The board includes screw terminals
for quick evaluation of the device's key parameters and also includes test points on each
of the device’s pins to accommodate direct connection to the designer’s end system. For
more ISOdriver information, visit the Silicon Labs website at
www.silabs.com/isolation
.
KEY FEATURES OR KEY POINTS
• Easy to use
• Supports both dc or ac switching
• Jumper selectable power reduction options
• Jumper to evaluate Miller Clamp function
• Digital input or diode emulation options
• Si8751-KIT (digital input)
• Si8752-KIT (diode emulation)
silabs.com
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