• TCA9802: TCA9802

  

  Rama Jyothi

  TI Thinks Resolved

  Part Number: TCA9802 Tool/software: Hi , For TCA9802 part, Is it okay to connect the external pullups on VCCB side? Thanks.

  • over 1 year ago
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• TCA9802: S/O#493849 (PN#TCA9802DGKT)

  

  Kent Liew

  TI Thinks Resolved

  Part Number: TCA9802 Hi Support Team, Good day. Could you please help to review the concerns from my customer in below and advise? As per customer : PN#TCA9802DGKT Can you confirm again if the colour of lead finishing is normal? NiPdAu (Nickel…

  • 5 months ago
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Answered

• TCA9802: VCCA and VCCB Power Supply

  

  takahiro higuchi

  Resolved

  Part Number: TCA9802 Other Parts Discussed in Thread: TCA9803 Hi team, Can the VCCA and VCCB pins of the TCA9803 use different power supplies with the same voltage? Sincerely,

  • Resolved

  • 7 months ago
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• TCA9802: TCA9802 leakage current problem

  

  weilun luo

  TI Thinks Resolved

  Part Number: TCA9802 Could you explan input leakage current of SDAA, SCLA ? 1. When VI = VCCA =0 , EN = GND 2. When VI >VCCA, EN = GND 3. When VI <VCCA, EN = GND Will the leakage change when EN is connect to a very high resistance to GND?

  • over 3 years ago
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Answered

• TCA9802: Whether TCA9546A can be located on B side

  

  Mitsuhiro Hanabe

  Resolved

  Part Number: TCA9802 Other Parts Discussed in Thread: TCA9546A Tool/software: In my trial board, TCA9546A is connected on B side of TCA9802. Sometimes a slave device located in the opposite side of TCA9546A doesn't respond.... then I found my circuitry…

  • Resolved

  • over 1 year ago
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• TCA9802: Problem when connected to ISO1641: low state is not correctly transferred from side B to A

  

  Wojtek Jodlowski

  TI Thinks Resolved

  Part Number: TCA9802 Other Parts Discussed in Thread: ISO1641 , TCA9509 Tool/software: We have processor driving side A of TCA9802 (2.2k pullups). Then side B of TCA9802 is connected to ISO1641 (side 1) - no other I2C device. Side 2 of ISO1641 is…

  • over 1 year ago
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Answered

• TCA9802: Any negative impact on B side when A side pins are left floating

  

  Mitsuhiro Hanabe

  Resolved

  Part Number: TCA9802 Other Parts Discussed in Thread: TCA9511A Tool/software: Please fined the attached figure. I want to place TCA9802 on Sub Board with a slave IC mounted on B side. In debug phase of the slave IC... Debug board will be connected on…

  • Resolved

  • over 1 year ago
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• TCA9802: I/O support Open drain?

  

  Marvin Cantos

  TI Thinks Resolved

  Part Number: TCA9802 Hi Team, Good day. I am posting this inquiry on behalf of the customer. TCA9802 is this voltage I2C level translator with I/O support Opendrain? Please confirm for me, Iam planning to use the above-shared part in my design, need…

  • over 3 years ago
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• TCA9802: TCA9802 current source issue

  

  jianfeng john

  Part Number: TCA9802 Please help confirm the following problems about tca9802 1. for the following functions of tca980xb side current source, when vccb is low, current source disable. (1) Vccb is low. What should vccb do? Floating or resistance to…

  • over 5 years ago
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• TCA9802: Propagation delay on data and clock

  

  Wills Chou

  TI Thinks Resolved

  Part Number: TCA9802 Hi TI, In TCA9802’s datasheet, it only mentions propagation delay between ports. Please define propagation delay of data and clock. Is there different propagation delay on data and clock? Besides, if there’s waveform to show…

  • over 3 years ago
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