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RFQ ListingInterface ICs
The PCA9575PW2 is a 16-bit I²C GPIO expander split into two independent 8-bit banks, each with its own 1.1 V to 3.6 V I/O voltage domain and programmable pull-up/pull-down, letting one device bridge two different low-voltage logic rails. A RESET input and four address pins round out a flexible GPIO expansion solution for dual-voltage embedded designs.
ManufacturerNXP Semiconductors
Package28-TSSOP (SOT361-1), 9.7×4.4 mm
SeriesPCA9575
Interface IC Specifications
| Parameter | Value / Specification |
|---|---|
| Protocol / Function | 16-bit I²C-bus/SMBus level-translating low-voltage GPIO ander with reset and interrupt |
| Channels | 16 GPIO across two 8-bit banks |
| Data Rate | Standard-mode 100 kHz and Fast-mode 400 kHz |
| Supply Voltage | VDD 1.1 V to 3.6 V; VDD(IO) banks 1.1 V to 3.6 V |
| Package / Case | 28-TSSOP (SOT361-1), 9.7×4.4 mm |
| Bank Architecture | Two independently configurable 8-bit I/O voltage banks with bus-hold and programmable pull-up/pull-down |
| Operating Temperature | -40°C to +85°C |
| Addressing | 4 address pins enabling up to 16 unique bus addresses |
Interface Features & Applications
- Two independent 8-bit I/O voltage banks let each half of the GPIO run at a different logic voltage
- Programmable pull-up/pull-down per bank removes the need for external resistor networks
- RESET input recovers the device without a full power cycle
- Four address pins support up to 16 devices sharing one I²C bus
- Bus-hold circuitry maintains the last logic state during high-impedance conditions
- VDD down to 1.1 V suits modern low-voltage microcontroller I/O domains
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Frequently Asked Questions
Is PCA9575PW2 available from LimChip?
LimChip can confirm current availability, price, quantity, date code and lead time for PCA9575PW2 by RFQ.
What should buyers check before ordering PCA9575PW2?
Buyers should check interface standard, package, isolation, temperature grade and exact suffix for PCA9575PW2, together with live stock and traceable supply.
How do I request a quote for PCA9575PW2?
Use the RFQ button and include required quantity, target date code, package/case requirement, delivery country, company name and contact details.