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Name: PCA9546APW,118
Brand: NXP USA Inc.
SKU: PCA9546APW,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. PCA9546APW,118

Part No.:: PCA9546APW,118

Manufacturer:: NXP USA Inc.

Package:: 16-TSSOP (0.173, 4.40mm Width)

Datasheet:: PCA9546APW,118.pdf

Description:: IC INTERFACE SPECIALIZED 16TSSOP

In Stock:: 23400

Quantity:: Add To Cart

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PCA9546APW,118 Specifications

Package/Case:
16-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Applications:
Translating Switch
Interface:
I²C, SMBus
Voltage-Supply:
2.3V ~ 5.5V

PCA9546APW,118 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9546APW,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 PCA9546APW,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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PCA9546APW,118 information

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PCA9546APW,118 Typical application Circuitry

PCA9546APW,118

The PCA9546APW,118 is a 4-channel I2C-bus multiplexer with interrupt logic. This chip is designed to enable a single I2C master to interface with up to four I2C slave devices, which may have the same address, by selecting one of the four channels at a time.

PCA9546APW,118 Application Scenarios:

1. I2C Bus Expansion: Commonly used in complex systems where multiple I2C devices with identical addresses need to be connected to a single I2C master, such as in advanced embedded systems, multi-sensor platforms, or server motherboards.

2. Management of Multiple I2C Devices: Ideal for interfacing multiple I2C devices like sensors, EEPROMs, or other I2C-based peripherals within a single system without address conflicts.

PCA9546APW,118 Key Features and Parameters:

1. 4-Channel Multiplexer: Provides four separate I2C-bus channels for device communication.

2. I2C-Bus Compatibility: Fully compatible with I2C-bus and SMBus standards.

3. Interrupt Logic: Supports interrupt logic for efficient I2C-bus communication.

4. Wide Operating Voltage Range: Typically operates within a 2.3V to 5.5V range.

5. Low Standby Current: Energy-efficient design with a low standby current.

Circuit Connection Example: Multi-Sensor I2C System

Overview: Implementing PCA9546APW,118 in a system with multiple I2C sensors.

1. Power Supply Connection:

- VCC (pin 16) should be connected to the system's power supply, typically within the 2.3V to 5.5V range.

2. Grounding the Multiplexer:

- GND (pin 8) needs to be connected to the system's ground.

3. I2C Master Connection:

- SDA (pin 15) and SCL (pin 14) should be connected to the SDA and SCL lines of the I2C master.

4. Connecting I2C Sensors to Channels:

- SD0 to SD3 (pins 1-4) and SC0 to SC3 (pins 5-8) for connecting the SDA and SCL lines of the I2C sensors on each channel.

5. Channel Selection via Addressing:

- A0, A1, and A2 (pins 13, 12, and 11, respectively) are used for addressing and channel selection, determining which I2C channel is active.

Design Considerations:

1. Voltage Compatibility: Ensure VCC matches the logic levels of the I2C master and sensors.

2. Channel Address Configuration: Set A0, A1, and A2 correctly for proper channel selection.

3. Bus Capacitance Management: Keep the total bus capacitance within I2C specifications.

4. Channel Lock-Up Prevention: Utilize the PCA9546APW,118's ability to switch channels even if one becomes non-responsive.

5. Power Efficiency: Consider the low standby current for energy-saving operation, especially in battery-powered systems.

In summary, the PCA9546APW,118 is an effective solution for expanding I2C capabilities in systems with multiple I2C devices. Its 4-channel multiplexing, I2C-bus compatibility, and energy-efficient design make it particularly useful in multi-sensor systems and complex I2C-bus configurations.

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6. What is the process for return or replacement of PCA9546APW,118?

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(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 PCA9546APW,118.

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

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