Answered

• LM3648: LM3648 LED output pin

  

  Cheng Andy

  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

  • over 1 year ago
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Answered

• LM3648: power-on sequence of LM3648TT

  

  Henry Wang3

  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

  • 10 months ago
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Answered

• LM3648: Flags1 Register

  

  Cheng Andy

  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…

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  • over 1 year ago
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• LM3648: High Speed I2C

  

  Sobin Sebastian

  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 ?

  • over 1 year ago
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• LM3648: I2C signal Level

  

  Kelly Wang

  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…

  • over 1 year ago
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• LM3648: LED Flash driver

  

  Ketan Lakhera

  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…

  • over 2 years ago
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Answered

• LM3648: Thermal shutdown mode

  

  Henry Wang3

  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…

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  • over 2 years ago
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Answered

• LM3648: What are the differences between LM3648YFFR and LM3648TTYFFR?

  

  Eric Mo

  Resolved

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

  • Resolved

  • over 2 years ago
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Answered

• LM3648: How to calculate the Tj of LM3648

  

  Hailiang Zhang

  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

  • over 4 years ago
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• LM3648: reference code

  

  Renan Santos Adriano

  TI Thinks Resolved

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

  • over 3 years ago
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