Theπ220N31/π221N31devices are low-power bidirectional isolators compatible with the I2C interface and are based on iDivider technology from 2PaiSemi.These devices have logic input andoutput buffers that are separated by using a silicon dioxide (SiO2) barrier.These devicesblock high voltages and prevent noise currents from entering the control side ground, avoiding circuit interference and damaging sensitive components.
The π220N31/π221N31devicesare based on iDividertechnologywith functional, performance, size, and power consumption advantages as compared to optocouplers.
The π220N31provides two bidirectional channels, supporting a complete isolated I2C interface. The π221N31provides one bidirectional channel and one unidirectional channel for applica-tions where a bidirectional clock is not required.Theπ221N31is usedin applicationsthat have a single master while the π220N31issuitable for multi-master applications.
Bidirectional I2C communication Supports up to 2MHzoperation Open-drain interfaces Side 1 outputs with 3.5 mA sinkcurrent Side 2 outputs with 35 mA sinkcurrent 3.0V to 5.5V supply/logic levels High common-mode transient immunity: 75kV/µs typical Safety and regulatory approvals(Pending)： UL recognition: 3000Vrmsfor 1 minute per UL 1577 CSA Component Acceptance Notice 5A VDE certificate of conformity: DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM= 707V peak CQC certification per GB4943.1-2011 AEC-Q100(Pending) Widetemperature range: -40°Cto125°C 8-lead, RoHS-compliant, SOIC package APPLICATIONS Isolated I2C, SMBus, PMBus interfacesMultilevel I2C interfaces Electric and Hybrid-Electric Vehicles Open-Drain Networks I2C Level Shifting Power supplies
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