• TCA9517-Q1: TCA9517-Q1: I2C BUS TRAP

  

  ziyang lai

  TI Thinks Resolved

  Part Number: TCA9517-Q1 Tool/software: hi TI expert We use a structure similar to the one shown in the figure to design an MCU with 3.3V, which is converted to a 1.8V level through LEVELSHIFT. Occasional MCU I2C card dead situation, test BUS-B with SCL…

  • 5 months ago
  • Interface
  • Interface forum
Answered

• TCA9517-Q1: EN Pin configuration and question on Topography

  

  Veerasamy Vasudevan

  Resolved

  Part Number: TCA9517-Q1 Tool/software: Hi, I have couple of basic questions. 1. Can I leave the EN pin floating? Will the device be fully functional if this pin is floating 2. The datasheet mentions about problems in connecting the B-Side to another…

  • Resolved

  • 4 months ago
  • Interface
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• TCA9517-Q1: Pull up resistor selection

  

  ahmet kudak

  TI Thinks Resolved

  Part Number: TCA9517-Q1 Tool/software: Hello everyone, I need to calculate the pull-up resistor value for an I2C bus, but this bus is about 1 meter from my main board. I need to consider the cable length in that case. Does anyone know how to calculate…

  • 6 months ago
  • Interface
  • Interface forum
Answered

• TCA9517-Q1: TCA9517-Q1completely powered off leakage current on data pins

  

  Cyril Garric

  Resolved

  Part Number: TCA9517-Q1 Other Parts Discussed in Thread: BQ24780S TCA9517-Q1 Hi, In my application, I have a battery charger chip (BQ24780S) and a battery BMS (some BQ chip I don't know precisely) talking together on a shared SMBus, and a FPGA sending…

  • Resolved

  • over 1 year ago
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• TCA9517-Q1: TCA9517-Q1 related issues

  

  jeno.zhang

  TI Thinks Resolved

  Part Number: TCA9517-Q1 Other Parts Discussed in Thread: TCA9517 hi， 1. As shown in the following figure, how is the latch triggered? Can it be restored? If the latch is triggered, how can the chip electrical signal be determined? 2. As shown in the…

  • over 1 year ago
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  • Interface forum

• TCA9517-Q1: PSPICE MODE

  

  Colt Zhang

  TI Thinks Resolved

  Part Number: TCA9517-Q1 Other Parts Discussed in Thread: TCA9517A , TCA9517 hi team, could you help provide the pspice mode of TCA9517-Q1.

  • over 1 year ago
  • Interface
  • Interface forum
Answered

• TCA9517-Q1: For multiple uses of TCA9517

  

  Lee, Sam

  Resolved

  Part Number: TCA9517-Q1 Other Parts Discussed in Thread: TCA9517 Hello team, Would you please confirm if the following configuration of TCA9517-Q1 is available? Thanks, Best Regards, Sam Lee

  • Resolved

  • over 1 year ago
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• TCA9517-Q1: Output behavior when EN=L

  

  Yuto Kitamura

  Part Number: TCA9517-Q1 Hi team, I posted the e2e below and got answer, when EN=L, Output becomes Hi-Z. But my customer says, it doesn't seems to work as answered in the e2e. Can you please re-check output really becomes Hi-Z when EN=L? https://e2e…

  • over 1 year ago
  • Interface
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• TCA9517-Q1: TCA9517-Q1 Pin A Port and B Port SCL and SDA are both high level

  

  jeno.zhang

  Answer Suggested

  Part Number: TCA9517-Q1 Other Parts Discussed in Thread: TCA9517 hi， The schematic diagram of TCA9517-Q1 is shown in the following figure. Port A and port B use the same power supply, and the Pull-up resistor is 4.7k. The FPGA drives IIC. The output voltages…

  • over 1 year ago
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• TCA9517-Q1: TCA9517-Q1 partical power down question

  

  junsong gu

  TI Thinks Resolved

  Part Number: TCA9517-Q1 Hi TI, For TCA9517DGKRQ1,if partical power down of VCCB, what is the state of pin SDAB/SCLB ? and if VCCB power on again will the device work normally? t BR Junsong

  • over 1 year ago
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