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Name: PCF8575TS/1,118
Brand: NXP USA Inc.
SKU: PCF8575TS/1,118
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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NXP USA Inc. PCF8575TS/1,118

Part No.:: PCF8575TS/1,118

Manufacturer:: NXP USA Inc.

Package:: 24-SSOP (0.209, 5.30mm Width)

Datasheet:: PCF8575TS/1,118.pdf

Description:: IC I/O EXPANDER I2C 16B 24SSOP

In Stock:: 2625

Quantity:: Add To Cart

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PCF8575TS/1,118 Specifications

Package/Case:
24-SSOP (0.209, 5.30mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
ProductStatus:
Active
NumberofI/O:
16
Interface:
I²C
InterruptOutput:
Yes
Features:
POR
OutputType:
Push-Pull
Current-OutputSource/Sink:
10mA, 25mA
ClockFrequency:
400 kHz
Voltage-Supply:
2.5V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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PCF8575TS/1,118 information

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PCF8575TS/1,118 Typical application Circuitry

PCF8575TS 1,118

The PCF8575TS/1,118 is a sophisticated chip designed as a remote 16-bit I/O expander for the I²C-bus, equipped with interrupt capabilities. It's primarily utilized in systems where an extension of I/O ports is necessary, allowing for the control of more devices or the gathering of additional input without burdening the main processor.

Features of PCF8575TS/1,118

1. I/O Expansion: The PCF8575TS/1,118 provides an additional 16 I/O ports, significantly extending the I/O capabilities of a microcontroller.

2. Interrupt Feature: It has an interrupt output that can signal the microcontroller when there's a change in the input.

3. Communication Protocol: Compatible with a variety of microcontrollers, it includes an I²C-bus interface.

4. Operational Voltage: Supports a broad range of supply voltages, fitting various system requirements.

Application Scenario: Industrial Sensor Array

In an industrial setting, the PCF8575TS/1,118 can be used to manage a complex array of sensors, collecting various environmental or machinery operation data. Here's a detailed guide on connecting this in an industrial sensor array setup:

Circuit Connection Details

1. Power Supply (VDD - Pin 24, VSS - Pin 12):

- Chip Powering: Attach a reliable power source to VDD (Pin 24) for the PCF8575TS/1,118. Ground VSS (Pin 12) to complete the circuit.

2. I/O Ports Connection (P0-P15 - Pins 1-10, 13-23):

- Sensors Connection : Connect the sensors to the P0-P15 I/O ports. The kind of sensors being used and the data they are supposed to gather will determine the exact setup.

3. I²C Bus Interface (SDA - Pin 22, SCL - Pin 23):

- Interface with Microcontroller : Attach SDA (Pin 22) and SCL (Pin 23) to the appropriate I²C data and clock lines on the microcontroller. With this configuration, the PCF8575TS/1,118 may speak with the microcontroller and transmit sensor data for processing.

4. Interrupt Handling (INT - Pin 11):

- Change Notification: Link INT (Pin 11) to an interrupt pin on the microcontroller. This setup enables the PCF8575TS/1,118 to notify the microcontroller immediately when any of the input pins' state changes.

5. Address Configuration (A0-A2 - Pins 20-18):

- I²C Address Customization: Set A0, A1, and A2 (Pins 18-20) to determine the I²C address. This is crucial when multiple devices are connected to the same I²C bus to prevent conflicts.

Design Considerations

When crafting a circuit with the PCF8575TS/1,118, bear in mind the following:

1. I/O Pin Count: Confirm that the number of I/O pins required for the sensors does not surpass the 16-bit limit of the PCF8575TS/1,118.

2. I²C Bus Addressing: Address the PCF8575TS/1,118 correctly, particularly when there are multiple expanders or devices on the same I²C bus.

3. Stable Power Source: Ensure a stable and clean power supply to guarantee consistent performance of the I/O expander.

4. Effective Interrupt Management: Manage the interrupt signal adeptly to ensure the microcontroller can respond promptly to the changes detected by the sensors.

Incorporating these points and capitalizing on the functionalities and pin configurations of the PCF8575TS/1,118 allows for efficient integration of this I/O expander in complex applications like an industrial sensor array. With its extensive I/O expansion and interrupt signaling, the PCF8575TS/1,118 is an optimal choice for managing multiple sensors in sophisticated systems.

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6. What is the process for return or replacement of PCF8575TS/1,118?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PCF8575TS/1,118 we delivered, we will accept the replacement or return of the PCF8575TS/1,118 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PCF8575TS/1,118.

(3)The PartNo is unused and only in the original unpacked packaging.

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