• ISO1644: ISO1644 OutA OutB Configuration

  

  Semih Senyuz

  TI Thinks Resolved

  Part Number: ISO1644 Tool/software: Hello Sir, In ISO1644 datasheet, it writes the SDA and SCL pins are open-drain.But I wonder that the other Outputs(OUTA,OUTB).Are they open-drain as well? Thanks in advance for your support Best Regards

  • 3 months ago
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• ISO1644: Different voltage level for ISO7760DW and ISO1644 IC's power supply pin (VCC1 and VCC2)

  

  sourabh kumar

  TI Thinks Resolved

  Part Number: ISO1644 I am using IC part number - ISO1644 that is I2C signal isolator, Can i apply 3.3V to VCC1 and 5V to VCC2. And similary due to design requirement i am using another IC from TI and its part number is ISO7760DW and this is undirectional…

  • 3 months ago
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• ISO1644: ISOW7744 power capacity for powering up ISO1644

  

  Hank Lin

  TI Thinks Resolved

  Part Number: ISO1644 Other Parts Discussed in Thread: ISOW7744 , Tool/software: Dear team, I want to use the integrated power module of ISOW7744 to power up the ISO1644. we will operate the ISOW7744 with 3.3V primary side voltage supply and we expect…

  • 8 months ago
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Answered

• ISO1644: 2-CH SMBus Bi-Directional Isolator topic

  

  Neil Chen

  Resolved

  Part Number: ISO1644 Other Parts Discussed in Thread: TCA9800 Hi Sirs, Current, my project need to find a new bi-directional plus isolator application and offer the product requirement as lists: (1) Interface : SMBus (SCL & SDA) & GPIO, for 2-Channel…

  • Resolved

  • 19 days ago
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Answered

• ISO1644: ISO1644 with both sides running on same supply level

  

  sudarshan kr

  Resolved

  Part Number: ISO1644 Tool/software: Hi, Would like to know whether ISO164x series can be used if both sides have 3.3V, basically to protect the master device from Slave device OR Any other devices can be suggested which can be used for our requirement…

  • Resolved

  • over 1 year ago
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Answered

• ISO1644: Whether this device can drive other digital signal?

  

  Francis Jiang

  Resolved

  Part Number: ISO1644 Tool/software: Hi Team, Whether this device can be used to drive other digital signal not I2C signal. Such as 40kHz 3.3V digital signal, customer likes the bi-direction function. Is there any risk? Thanks. BRs, Francis

  • Resolved

  • 11 months ago
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Answered

• ISO1644: SPI Interface

  

  Bryan McLaughlin

  Resolved

  Part Number: ISO1644 Other Parts Discussed in Thread: ISO7741 , Do you have any advice or information about using the ISO164x in a 4 wire SPI application? I'm interested in it primarily for I2C but would love to have the option to use it for SPI as well…

  • Resolved

  • over 1 year ago
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Answered

• ISO1644: ISO1644 issue

  

  Jay Yang

  Resolved

  Part Number: ISO1644 Hi, I used TI ISO1644 but found a issue when testing them. The figure below shows the schematic for ISO1644. The left side is connected to the MCU and the right side is connected to the sensor. I2C frequency: 400kHz . …

  • Resolved

  • over 3 years ago
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Answered

• ISO1644: Multiple ISO164x on a bus

  

  Bryan McLaughlin

  Resolved

  Part Number: ISO1644 Tool/software: Hello, Is there any concern with using 6-8 ISO1644 on the same I2C bus on the "1" side? Thanks, Bryan

  • Resolved

  • over 1 year ago
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Answered

• ISO1644: Competitive advantage for EMC?

  

  Bryan McLaughlin

  Resolved

  Part Number: ISO1644 Other Parts Discussed in Thread: ISO1640 Hello, I'm deciding whether to use the ISO1644 (or similar) for I2C isolation to break DC current paths on a 5V electrochemical sensor system. Multiple ISOs (data+power) would be used to…

  • Resolved

  • over 1 year ago
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