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DATA SHEET
ISO164x Hot-Swappable Bidirectional I2C Isolators with Enhanced EMC and GPIOs
1 Features
- Robust Isolated Bidirectional, I2C
Compatible, Communication
- ISO1640: Bidirectional SDA and SCL
communication
- ISO1641: Bidirectional SDA and
unidirectional SCL communication
- ISO1642/3/4:
Bidirectional SDA and SCL communication with either 2 or 3
unidirectional GPIO channels
- Hot-Swappable SDA and
SCL
- Bidirectional data transfer up to 1.7 MHz Operation
- Up to 3
additional unidirectional isolated GPIO channels supporting 50 Mbps speed
- Robust isolation barrier with enhanced EMC:
- >100-year projected lifetime at 450
VRMS working voltage (D-8) and 1500 VRMS
working voltage (DW-16)
- Up to 5000 VRMS isolation rating per UL1577
- Up to 10 kV reinforced surge capability
- ±100 kV/μs typical CMTI
- ±8 kV IEC-ESD 61000-4-2 contact discharge protection across isolation barrier
- Same side ±8 kV IEC-ESD unpowered contact discharge on SCL2 and SDA2 (Side 2)
- Supply range: 3 V to 5.5 V (Side 1) and 2.25 V to 5.5 V (Side 2)
- Open-drain outputs with 3.5-mA (Side 1) and 50-mA
(Side 2) current-sink capability
- Max capacitive load: 80 pF (Side 1) and 400 pF (Side 2)
- 16-SOIC (DW-16) and 8-SOIC (D-8) Package Options
- –40°C to +125°C Operating Temperature
- Safety-Related Certifications (planned):
- UL 1577 Component Recognition Program
- DIN VDE V 0884-11
- IEC 62368-1, IEC 61010-1, IEC 60601-1 and GB4943.1-2011 certifications
2 Applications
- Isolated I2C Buses
- Isolated I2C and SPI Buses
- SMBus and PMBus Interfaces
- Power Over Ethernet (PoE)
- Motor Control Systems
- Battery Management
.
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