What is the Additional Feature ?

Name: PCA9500BSHP
Brand: NXP USA Inc.
SKU: PCA9500BSHP
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. PCA9500BSHP

Part No.:: PCA9500BSHP

Manufacturer:: NXP USA Inc.

Package:: 16-VQFN Exposed Pad

Datasheet:

Description:: IC I/O EXPANDER 8BIT 16HVQFN

In Stock:: 3789

Quantity:: Add To Cart

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PCA9500BSHP Specifications

Package/Case:
16-VQFN Exposed Pad
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Obsolete
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

PCA9500BSHP this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9500BSHP 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 PCA9500BSHP 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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PCA9500BSHP information

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PCA9500BSHP Typical application Circuitry

PCA9500BSHP

The PCA9500BSHP is an I2C-bus GPIO expander with integrated EEPROM memory. This chip is designed to expand the number of GPIOs (General Purpose Input/Output) available to a microcontroller via the I2C-bus, while also providing non-volatile storage space.

Application Scenario: Smart Home Device Interface

I2C Connection and Address Setup

- I2C Communication: SDA (Serial Data) and SCL (Serial Clock) pins should be connected to the corresponding SDA and SCL lines of the microcontroller. This connection enables the PCA9500BSHP to communicate with the microcontroller for GPIO expansion and EEPROM access.

- Address Pins (A0, A1, A2): These pins determine the I2C address of the PCA9500BSHP. By connecting these pins to either VDD or GND, you can configure the device address, allowing multiple PCA9500BSHP chips to coexist on the same I2C bus.

GPIO Expansion for Input/Output

- GPIO Ports: The PCA9500BSHP provides 8 GPIO pins that can be configured as input or output. Use these pins to connect external components like LEDs, switches, or sensors.

- Output Drive Configuration: For outputs, consider the current driving capability of each GPIO pin and ensure it matches the requirements of the connected devices. For example, when driving LEDs, current-limiting resistors may be necessary to protect the PCA9500BSHP and the LEDs.

- Input Monitoring: For inputs, configure the GPIO pins to correctly interface with switches or sensors. Debouncing may be required for mechanical switches to prevent false triggering.

EEPROM Usage for Configuration and Data Storage

- EEPROM Access: Utilize the integrated EEPROM for storing device configuration or operational parameters that need to persist across power cycles. This is particularly useful for storing user settings in smart home devices.

- Write Protection: The PCA9500BSHP includes mechanisms for write-protecting the EEPROM. This feature can be used to prevent accidental modification of critical data.

Design Considerations

- Power Management: Consider the power consumption of the PCA9500BSHP, especially in battery-operated smart home devices. Utilize low-power modes effectively to extend battery life.

- I2C Bus Integrity: Ensure the integrity of the I2C bus by using appropriate pull-up resistors on the SDA and SCL lines. The bus layout should minimize noise and ensure reliable communication.

- Electromagnetic Compatibility (EMC): In the design of the PCB, take EMC considerations into account to minimize interference with other electronic devices in the environment.

- Thermal Considerations: Ensure that the PCA9500BSHP operates within its specified temperature range, especially in applications where the ambient temperature may vary significantly.

Incorporating the PCA9500BSHP into a smart home device interface requires careful attention to the I2C bus configuration, GPIO expansion utility, and EEPROM data management. By optimizing these aspects, the PCA9500BSHP can significantly enhance the functionality and flexibility of smart home devices, contributing to more interactive and user-friendly applications.

PCA9500BSHP FAQ

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3. Are the PCA9500BSHP price and inventory displayed accurate?

The price and inventory of PCA9500BSHP fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of PCA9500BSHP?

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 PCA9500BSHP we delivered, we will accept the replacement or return of the PCA9500BSHP 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 PCA9500BSHP.

(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