ISO1640BDR

The ISO1640BDR Isolated Interface IC is a versatile and robust solution that offers bidirectional communication, hot-swappable SDA and SCL, high-speed data transfer, and additional unidirectional isolated GPIO channels. Its robust isolation barrier ensures enhanced EMC performance with impressive surge capability and ESD protection. The IC accommodates a wide supply voltage range and provides open-drain outputs, making it suitable for various applications. With multiple package options and an operating temperature range of -40°C to +125°C, the ISO1640BDR is an ideal choice for applications demanding secure and high-speed communication in challenging environments.

·Isolated I2C Buses

·Isolated I2C and SPI Buses

·SMBus and PMBus Interfaces

·Power Over Ethernet (PoE)

·Motor Control Systems

·Battery Management

The ISO1640, ISO1641, ISO1642, ISO1643 and ISO1644 (ISO164x) devices are hot swappable, lowpower, bidirectional isolators that are compatible with I²C interfaces. The ISO164x supports UL 1577 isolation ratings of 5000 V_RMS in the 16-DW package, and 3000 V_RMS in the 8-D package. Each I²C isolation channel in this low emissions device has a logic input and open drain output separated by a double capacitive silicon dioxide (SiO₂) insulation barrier. The ISO1642 and ISO1643 intregrates 2 unidirectional CMOS isolation channels, while the ISO1644 intregrates 3 unidirectional CMOS isolation channels which can be used for static GPIO isolation or to isolate a Serial Peripheral Interface (SPI) bus. This family includes basic and reinforced insulation devices certified by VDE, UL, CSA, TUV and CQC. The ISO1640/2/3/4 have two isolated bidirectional channels for clock and data lines and the ISO1641 has a bidirectional data and a unidirectional clock channel. The ISO164x family integrates logic required to support bidirectional channels, providing a much simpler design and smaller footprint when compared to optocoupler-based solutions.

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