ISO1643
- 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
The ISO1640, ISO1641, ISO1642, ISO1643 and ISO1644 (ISO164x) device s are hot swappable, low-power, bidirectional isolator s that are compatible with I2C interfaces. The ISO164x supports UL 1577 isolation ratings of 5000 VRMS in the 16-DW package, and 3000 VRMS 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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ISO1644DWEVM — ISO1644、ISO1643、ISO1642 DW パッケージ封止、I²C アイソレータの評価基板
ISO1644DWEVM は、ISO1642、ISO1643、ISO1644 の各デバイスの性能を設計者が評価するのを支援するために使用されるの評価基板であり、16 ピン DW パッケージに封止済みで複数の汎用入出力チャネルを搭載した TI の ISO1642、ISO1643、ISO1644 という各絶縁型 I²C デバイスを使用するデータ伝送システムの開発と分析を迅速に実施できます。
| パッケージ | ピン数 | CAD シンボル、フットプリント、および 3D モデル |
|---|---|---|
| SOIC (DW) | 16 | Ultra Librarian |
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推奨製品には、この TI 製品に関連するパラメータ、評価基板、またはリファレンス デザインが存在する可能性があります。