What is the Additional Feature ?

Name: PCA9500BS,118
Brand: NXP USA Inc.
SKU: PCA9500BS,118
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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NXP USA Inc. PCA9500BS,118

Part No.:: PCA9500BS,118

Manufacturer:: NXP USA Inc.

Package:: 16-VQFN Exposed Pad

Datasheet:: PCA9500BS,118.pdf

Description:: IC I/O EXPANDER I2C 8B 16HVQFN

In Stock:: 15469

Quantity:: Add To Cart

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PCA9500BS,118 Specifications

Package/Case:
16-VQFN Exposed Pad
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
NumberofI/O:
8
Interface:
I²C, SMBus
InterruptOutput:
No
Features:
EEPROM, POR
OutputType:
Push-Pull
Current-OutputSource/Sink:
100µA, 25mA
ClockFrequency:
400 kHz
Voltage-Supply:
2.5V ~ 3.6V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

PCA9500BS,118 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9500BS,118 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PCA9500BS,118 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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PCA9500BS,118 information

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PCA9500BS,118 Typical application Circuitry

PCA9500BS,118

Designed for the I2C-bus, the PCA9500BS,118 is an 8-bit I/O expander with an embedded EEPROM. It offers a convenient way to add more digital input/output (I/O) lines to microcontroller-based systems and provides non-volatile memory storage. This chip is particularly useful in applications where additional I/O ports are required, and data needs to be stored persistently, such as in industrial control systems, home automation, server management, and more. The PCA9500BS,118 enables efficient expansion of I/O capabilities and data storage with minimal additional components, streamlining the design of complex electronic systems.

Application Scenario: Home Automation Control Panel

I2C Bus Connection for Communication

- SDA and SCL (Pins 15 and 16): These pins should be connected to the Serial Data (SDA) and Serial Clock (SCL) lines of the I2C bus, facilitating communication between the PCA9500BS,118 and the microcontroller. This setup allows for reading from and writing to the I/O expander and EEPROM.

Power Supply and Ground

- VDD (Pin 8) for Power Supply: Connect this pin to a +3.3V power source to power the PCA9500BS,118. For dependable operation, a steady power source must be guaranteed.

- VSS (Pin 4) for Ground: Attach this pin to the ground of the system. For signal integrity and noise reduction, proper grounding is crucial.

I/O Expander Functionality

- P0 to P7 (Pins 1-3, 5-7, 9, 10) for Digital I/O: These pins are configurable as input or output, allowing the PCA9500BS,118 to interface with external components like LEDs, buttons, sensors, and relays. For outputs, consider the current requirements of connected devices to prevent damage.

EEPROM for Data Storage

- Integrated EEPROM: Utilize the EEPROM for storing configuration settings or operational parameters that must be preserved between power cycles. This feature is particularly useful in home automation for saving user preferences or device states.

Design Considerations

- Address Configuration: The PCA9500BS,118 address is determined by the A0, A1, and A2 pins (not applicable in this specific model but generally important for similar devices). Ensuring unique addresses for each device on the I2C bus is critical to avoid communication conflicts.

- Power Consumption: For home automation applications, keeping power consumption low is often a priority, especially in battery-powered or energy-efficient designs. Consider the power requirements of the PCA9500BS,118 and connected peripherals.

- Signal Integrity: The I2C bus length and capacitance can affect signal quality. Use appropriate pull-up resistors on the SDA and SCL lines and keep the bus length reasonable to maintain signal integrity.

- EEPROM Write Cycles: There is a write cycle limit on the EEPROM. Design the system to minimize unnecessary writes to extend the EEPROM's lifespan.

- Electromagnetic Compatibility (EMC): In environments with multiple electronic devices, EMC considerations are important. Proper PCB layout and grounding practices can help mitigate interference.

Implementing the PCA9500BS,118 in a home automation control panel allows for expanded I/O capabilities and persistent storage of critical system parameters. By addressing the above design considerations and properly configuring the device, developers can leverage the PCA9500BS,118 to create sophisticated, reliable, and user-friendly home automation solutions.

PCA9500BS,118 FAQ

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3. Are the PCA9500BS,118 price and inventory displayed accurate?

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6. What is the process for return or replacement of PCA9500BS,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 PCA9500BS,118 we delivered, we will accept the replacement or return of the PCA9500BS,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 PCA9500BS,118.

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

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations