TI E2E support forums
TI E2E support forums
  • User
  • Site
  • Search
  • User
  • E2E™ design support >
  • Forums
    • Amplifiers
    • API solutions
    • Audio
    • Clock & timing
    • Data converters
    • DLP® products
    • Interface
    • Isolation
    • Logic
    • Microcontrollers
    • Motor drivers
    • Power management
    • Processors
    • RF & microwave
    • Sensors
    • Site support
    • Switches & multiplexers
    • Tools
    • Wireless connectivity
    • Archived forums
    • Archived groups
  • Technical articles
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • 简体中文
  • More
  • Cancel


Search tips
Showing 14 results View by: Thread Post Sort by
  • TCA9539A-Q1: Need of information of TCA9539A-Q1

    Pankaj  Nirmal
    Pankaj Nirmal
    TI Thinks Resolved
    Part Number: TCA9539A-Q1 We require correct orderable MPN for this part to raise purchase order. TCA9539A-Q1 We dont have any local sales representative and FAE contact details.
    • 2 months ago
    • Interface
    • Interface forum
  • Answered
  • TCA9539A-Q1: Datasheet ambiguity in TCA9539A-Q1 and TCA9539B-Q1 address mapping

    Kostiantyn
    Kostiantyn
    Resolved
    Part Number: TCA9539A-Q1 Other Parts Discussed in Thread: TCA9539-Q1 Hello, I came across an inconsistency in the TCA9539A‑Q1 datasheet (SCPS292, July 2025) and would like to clarify both the technical point and the process for handling document feedback…
    • Resolved
    • 2 months ago
    • Interface
    • Interface forum
  • Answered
  • TCA9539A-Q1: Drop-in replacement of TCA9539-Q1

    Wang Han
    Wang Han
    Resolved
    Part Number: TCA9539A-Q1 Hi Expert, Can you help me confirm that TCA9539AQPWRQ1 can drop-in replace TCA9539QPWRQ1 without any software change? Then what's the major difference between these two chips? Thanks, Han
    • Resolved
    • 1 month ago
    • Interface
    • Interface forum
  • TCA9539A-Q1: NEED OF INFORMATION FOR - GMC4_ITEMMASTER_20260121

    Swanand Kamble
    Swanand Kamble
    TI Thinks Resolved
    Part Number: TCA9539A-Q1 Hello Team , Good day.. This is Swanand from Component Engineering , Flex – India. We are working on some of your manufacturing parts and require information in the below table. Please help us to complete the table…
    • 4 months ago
    • Interface
    • Interface forum
  • TCA9539A-Q1: Method to recognize changed port during MCU power off

    Manu Chang
    Manu Chang
    TI Thinks Resolved
    Part Number: TCA9539A-Q1 Other Parts Discussed in Thread: TCAL9539 , TCAL9539-Q1 , TXE8124-Q1 , TXE8116-Q1 Hi team, My customers are looking for a 5V I/O expander and I recommend TCA9539A-Q1. While there is one function they want to achieve with the…
    • 7 months ago
    • Interface
    • Interface forum
  • Answered
  • TCA6408A: How to understand INT resetting function ?

    zhuangzhuang hu
    zhuangzhuang hu
    Resolved
    Part Number: TCA6408A Other Parts Discussed in Thread: TCA9539A-Q1 Hi Experts, your datasheet page 20 descript "INT resetting occurs in the read mode at the acknowledge (ACK) or not acknowledge (NACK) bit after the rising edge of the SCL signal. " …
    • Resolved
    • 9 days ago
    • Interface
    • Interface forum
  • RE: TPD4E02B04-Q1: NEED OF INFORMATION FOR - GMC4_ITEMMASTER_20260121

    Joshua Salinas
    Joshua Salinas
    Hello Swanand, I have update the excel sheet with TIC10024-Q1 and TCA9539A-Q1. TPD4E02B04-Q1 (1).xlsx As Bryan mentioned, all the parts in this excel sheet correspond to different product lines. To make this more efficient, please submit an E2E thread…
    • 5 months ago
    • Interface
    • Interface forum
  • RE: DRV8145P-Q1LEVM: NEED OF INFORMATION FOR - GMC4_ITEMMASTER_20260121

    Joshua Horlander Cruz
    Joshua Horlander Cruz
    Hi Swanand, Attached is the excel with the information filled for the BSM parts: TEXAS INSTRUMENTS_Parts_BSM_Filled.xlsx Regards, Joshua
    • 5 months ago
    • Amplifiers
    • Amplifiers forum
  • RE: DRV8243-Q1: NEED OF INFORMATION FOR - GMC4_ITEMMASTER_20260121

    Joshua Horlander Cruz
    Joshua Horlander Cruz
    Hi Swanand, Attached is the excel with the information filled for the BSM parts: TEXAS INSTRUMENTS_Parts_BSM_Filled.xlsx Regards, Joshua
    • 5 months ago
    • Motor drivers
    • Motor drivers forum
  • TCAN1145-Q1: NEED OF INFORMATION FOR - GMC4_ITEMMASTER_20260121

    Swanand Kamble
    Swanand Kamble
    TI Thinks Resolved
    Part Number: TCAN1145-Q1 Hello Team, Good day.. !! This is Swanand from Component Engineering , Flex – India. We are working on some of your manufacturing parts and require information in the Attached excel sheet . Please help us to complete the table…
    • 5 months ago
    • Interface
    • Interface forum
>

Didn't find what you are looking for? Post a new question.

  • Ask a new question