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  • INA238: Power and current calculation

    TI Thinks Resolved
    Part Number: INA238 Hi team, As for power and current calculation,we can refer to 8.1.2 Current and Power Calculations and 8.2.2 Detailed Design Procedure in datasheet. But customer proposes another method: (1) Configure ADCRANGE=0 or 1 (2) SHUNT_CAL=default…

  • INA238-Q1: INA238-Q1

    TI Thinks Resolved
    Part Number: INA238-Q1 Other Parts Discussed in Thread: INA238 , Hi team Could you please clarify the below queries 1.INA238 will work if powered with 3.3 Vs and 1.8V logic I2C interface? 2.Our processor VOL is 0.4V and INA238 VIL is 0.4V, will that cause…

  • INA238: Filter cap and power on timing

    TI Thinks Resolved
    Part Number: INA238 Hi team. Can customer use 25V rating filter cap? If Vs=3.3V and Vbus is 54V. And 54V power up firslty and then after 1s, 3.3V power up. Is that timing ok? Nison
    • Answered

  • INA238: Pull up and pull down resistors on Address pin

    Resolved
    Part Number: INA238 Hi team, Can we connect Address pin directly to GND or VCC? Or we must put pull up and pull down resistors? How about the value of resistors? Nison
    • Resolved
    • Answered

  • INA226: I2C Address Issue with INA238 Also in INA226?

    Resolved
    Part Number: INA226 Other Parts Discussed in Thread: INA238 , I found the strange sentence in the INA238 documentation that looks like an errata that's being documented: When connecting the SDA pin to either A0 or A1 to set the device address, additional…
    • Resolved

  • INA238-Q1: Is the software of INA238 compatible with that of INA226?

    TI Thinks Resolved
    Part Number: INA238-Q1 Other Parts Discussed in Thread: INA226 , INA238 Hi Teams, Is the software of INA238 compatible with that of INA226? I am planning to upgrade to INA238. How many software modification I need to do? BRs, Marsh
    • Answered

  • INA238-Q1: INA238-Q1 I2C to 1.8V logic

    Resolved
    Part Number: INA238-Q1 Hi, Can you please confirm whether the INA238-Q1 can be operated with Vs=5V and I2C connected to 1.8V logic? Regards, Sneha
    • Resolved

  • INA238: Schematic review for SMC

    TI Thinks Resolved
    Part Number: INA238 Hi Team, This is urgent but can you please help us review the attached schematic ? INA238_FOR TI REVIEW_09182023.pdf SMC also have the following questions: " 1)Does TI have i2c dongle/software to read current/power for this…

  • RE: INA238: Over-large measurement error of INA238 compared with datasheet

    Hello Xiaoying, Going over your data and the datasheets, it looks like the error you are seeing is from the common mode voltage. For the INA236, all of the errors are specified with a common mode of 12V. From Figure 6-9 of the datasheet here is the change…

  • INA226: Calibration problem with INA226 and INA238

    TI Thinks Resolved
    Part Number: INA226 I have the same problem as people mentioned in: https://leap.tardate.com/electronics101/ina226/highsidemonitorbasics/ https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/903395/ina226-calibration…

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