TCA9539QPWRQ1
Automotive 16-bit I2C/SMBus GPIO expander with interrupt and reset, 1.65 V to 5.5 V operation and 4 configurable addresses in a 24-pin TSSOP.
Availability, price and lead time are confirmed with your quotation.
| Manufacturer | TI |
| Part number | TCA9539QPWRQ1 |
| Category | Interface |
| Package | TSSOP-24 |
| Packaging | Tape & Reel |
| Condition | New & Original |
| Compliance | RoHS & REACH Compliant |
| Lifecycle | Confirm with manufacturer |
| Lead time / MOQ | Confirm with quotation |
Product overview
The TCA9539 is a 16-bit general-purpose I/O expander for I2C/SMBus that adds remote I/O ports to a host with limited pins. It operates from 1.65 V to 5.5 V, supports up to 400 kHz bus speed, four programmable addresses, and includes an interrupt-output and reset pin with configuration registers, rated -40 C to 85 C. It is used in automotive and industrial systems to expand MCU GPIO.
Specifications & documentation
Use the official manufacturer documentation to verify electrical characteristics, package dimensions and operating limits before design approval.
Availability & sourcing
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