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Showing 113 results View by: Thread Post Sort by
  • ISOW7741: ISOW7741 VISOIN pin 20 is supplying 4.11 V to the LDO

    Abdelrahman Elwakeel
    Abdelrahman Elwakeel
    TI Thinks Resolved
    Part Number: ISOW7741 Tool/software: Hi, We have the VISOIN pin 20 is supplying 4.11 V to the LDO (which is supposed to be 2.5V and 3.3V) and even when it is floating. Is this posisble?
    • 2 months ago
    • Isolation
    • Isolation forum
  • ISOW7741: Can I operate the part at VIN = 4V?

    e_engineer
    e_engineer
    TI Thinks Resolved
    Part Number: ISOW7741 Tool/software: I'm thinking of using the isow7741 in a battery powered system where a single battery ranges from 3.2V to 4.5V. After reading the datasheet I wasn't sure if that was okay or you were restricted to 3.3V and 5V input…
    • 12 days ago
    • Isolation
    • Isolation forum
  • Answered
  • ISOW7741: VISOOUT to VISOIN and EN/FLT pin

    Antoine Schnetz
    Antoine Schnetz
    Resolved
    Part Number: ISOW7741 Tool/software: Hi all, I want to use ISOW7741 and I am not sure I implement it correctly. Here a screenshot of the schematic. Question 1: Is it ok to supply VISOIN with 3.3V, which are generated by TLV77133P from VISOOUT (5V…
    • Resolved
    • 1 month ago
    • Isolation
    • Isolation forum
  • Answered
  • ISOW7741: HV ADC Isolation. issues with SPI coms.

    Tomas Begley
    Tomas Begley
    Resolved
    Part Number: ISOW7741 Other Parts Discussed in Thread: SN74LVC1G125 Tool/software: Hi I have designed a HV ADC board for voltage monitoring. The idea was to daisy chain multiple of these boards over SPI to get multiple measurement inputs. The issues I…
    • Resolved
    • 3 months ago
    • Isolation
    • Isolation forum
  • Answered
  • ISOW7741: Problem with LDO

    Bernardo Gama
    Bernardo Gama
    Resolved
    Part Number: ISOW7741 Other Parts Discussed in Thread: LP2950 Tool/software: Regarding the use of a LDO between Visoout and Visoin in figure 10-1. I tried different 5V LDOs types and can't get Visoout to output voltages greater than 5V so the can output…
    • Resolved
    • 9 months ago
    • Isolation
    • Isolation forum
  • ISOW7741: Differences in the variations of the ISOW7741 Digital Isolators

    Mon2
    Mon2
    TI Thinks Resolved
    Part Number: ISOW7741 Hello. My apologies if this has been answered before but unable to locate a proper definition to the various versions of this digital isolator. Very confused. The following are available: ISOW7741BDFMR ISOW7741DFMR ISOW7741FBDFMR…
    • over 1 year ago
    • Isolation
    • Isolation forum
  • Answered
  • ISOW7741: Efficiency drop-off at lower load currents

    Matt Calvo
    Matt Calvo
    Resolved
    Part Number: ISOW7741 Other Parts Discussed in Thread: ISO6441 , LM5181 , ISOW7841 Tool/software: Hey Isolation Team, I have a customer evaluating the ISOW7741 for a new project and it will be used in an application that will only be drawing around…
    • Resolved
    • 7 months ago
    • Isolation
    • Isolation forum
  • ISOW7741-Q1: How to calculate power dissipation of ISOW7741-Q1

    Gaurav Mayekar
    Gaurav Mayekar
    TI Thinks Resolved
    Part Number: ISOW7741-Q1 Hello TI Can you provide me the formula how to calculate Isolator ISOW7741-Q1 power consumption of this Chip? Output load current at VISO5V0_ISO is 30mA Regards Gaurav Mayekar
    • over 1 year ago
    • Isolation
    • Isolation forum
  • ISOW7741: Pspice model need for ISOW7741

    prema k
    prema k
    TI Thinks Resolved
    Part Number: ISOW7741 Other Parts Discussed in Thread: ISO7741 Hi, I need Pspice model for this part number ISOW7741 for doing the simulation. Please share the model or download Link.
    • over 2 years ago
    • Isolation
    • Isolation forum
  • Answered
  • ISOW7741: Is the Isolation JTAG circuit appropriate?

    JEOUN SOO PARK
    JEOUN SOO PARK
    Resolved
    Part Number: ISOW7741 Other Parts Discussed in Thread: ISOW7743 Tool/software: I'm making a Isolation JTAG adapter board. I implemented it using ISOW7741, and I got the following circuit. Is this a proper circuit? Should I use EN_IO1, EN_IO2, EN_DCDC…
    • Resolved
    • over 1 year ago
    • Isolation
    • Isolation forum
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