Pai8559EQ 5.0kVRMS Opto-Compatible Isolated Switch

Pai8559EQ is an opto-compatible high-voltage isolated switch
developed based on 2Pai Semi’s unique isolation technology 
and mature standard semiconductor CMOS process. The 
device contains two SiC MOSFETs with bidirectional withstand 
voltage up to 1700V.
The input is isolated from the output by a 5kVRMS isolation 
barrier. It integrates a gate driver which controls the opening 
and closing of the two MOSFETs on the output. The output 
switches are turned on when the input current exceeds 7mA 
and turned off when the input voltage is lower than 0.4V.
The device uses a standard wide-body WB SOIC-12 package 
that provides 5kVRMS input-output withstand voltage, 10kVPEAK
surge voltage and extremely high reliability


Features
 Compact bidirectional SiC MOSFETs
 Low output leakage current, IO ≤ 5μA@VDS = 1700V
Low on-resistance, RON(Typ) = 100Ω@IO = 2mA/10mA
Low turn on time: TON ≤ 50μs
 Low turn off time: TOFF ≤ 150μs
 7V reverse breakdown voltage handling capability
 Stretched WB SOIC-12 package (derived from SOIC-16
with 4 pins removed) with ≥ 8.5 mm creepage
 Temperature range: -40°C to +125°C
 Safety-Related certifications:
﹣VDE certificate number: 40056697
Maximum peak repetitive voltage 1414VPEAK per DIN
VDE V 0884-17:2021-10
﹣UL certificate number: E494497
5000VRMS for 1 min per UL1577
﹣CQC certificate number: CQC23001378118
 AEC-Q100 qualified
Applications
 Battery/motor/solar panel insulation resistance
measurement/leakage detection
 Sensing in high voltage application
 Electro-mechanical relay replacement
 Inrush current limiter protection
 

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