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  • LM3648: power-on sequence of LM3648TT

    Resolved
    Part Number: LM3648 Tool/software: Hi Sir, My customer is asking about the power-on sequence for LM3648TT, could we provide the 1.8V power to I2C bus before the 5V power to LM3848TT Vin? Does this have any side effect?
    • Resolved
    • Answered

  • LM3648: LM3648 LED output pin

    Resolved
    Part Number: LM3648 Other Parts Discussed in Thread: LM3643 , LM3644 Dear Sir, Is the LM3648 LED output pin separately connected to the LED? Will this design create any other issues?
    • Resolved
    • Answered

  • LM3648: Flags1 Register

    Resolved
    Part Number: LM3648 Tool/software: Dear Sir, I have a issue the IC is working but there is no output voltage. I read the IC register 0x0A the value is 0x0004. I kwon IC over heat will cause this register bit to be set to 1. But I check IC surface temperature…
    • Resolved

  • LM3648: High Speed I2C

    Part Number: LM3648 Hello, SLVA689–February2015:In this application note why the bus capacitance of Fast Mode plus is given as 550pF ? Could you please help with this ?

  • LM3648: I2C signal Level

    Part Number: LM3648 Other Parts Discussed in Thread: USB2ANY , , MSP-EXP430FR2311 I have a question about LM3648 I2C signal level. Data sheet says VIH min is 1.2V. when pulled up to 1.8V using 1.5k resistors, USB2ANY can't talk to LM3648 when not using…

  • LM3648: LED Flash driver

    Part Number: LM3648 Other Parts Discussed in Thread: TPS922052 , TPS923652 , TPS92360 , TPS92390 Hello, I came across a flash LED driver LM3648, which has the functionality needed for our application. However, the LED's which we are using require high output…
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  • LM3648: What are the differences between LM3648YFFR and LM3648TTYFFR?

    Resolved
    Part Number: LM3648 Hi Team, My customer wants to replace LM3648TTYFFR with LM3648YFFR. Any things should take into consideration?
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    • Answered

  • LM3648: Thermal shutdown mode

    Resolved
    Part Number: LM3648 Other Parts Discussed in Thread: LM36010 , LM2759 Hi Sir, If the LM3648 is in thermal shutdown, even if the die temperature is lower than 150°C, the LM3648 is not available for operation until there is an I2C read of the Flags1 Register…
    • Resolved

  • LM3648: reference code

    TI Thinks Resolved
    Part Number: LM3648 Hello Team, My customer wanted to know if we do have a reference code for LM3648? Regards, Renan
    • Answered

  • RE: LM3648: How to calculate the Tj of LM3648

    Resolved
    Hi Robin Could you please help tell me how to get the Pchip of LM3648? The datasheet of LM36010 provide calculation method of junction temperature of LM36010，which is shown in the picture below. I think when the LM3648 is in pass mode, where VIN > VLED…

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