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  • LM3648: The strobe for standby

    TI Thinks Resolved
    Part Number: LM3648 Hi, We use the LM3648TT in our project, and the initialization setting for power on is IR MODE, now, we find LM3684TT enter standby mode when the strobe has the error, the low pulse of about 2us appears in the middle of the high…
    • 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: 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: 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…
    • 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
    • Answered

  • 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?
    • Resolved
    • Answered

  • LM3648: How to calculate the Tj of LM3648

    Resolved
    Part Number: LM3648 Other Parts Discussed in Thread: LM36010 1，Could you please help me find out how to c alculate the junction temperature or temperature rise of LM3648？The customer wants to know the upper limit of the ambient temperature to avoid…
    • Resolved

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