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Name: PCA9546APWTG4
Brand: Texas Instruments
SKU: PCA9546APWTG4
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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Texas Instruments PCA9546APWTG4

Part No.:: PCA9546APWTG4

Manufacturer:: Texas Instruments

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

Datasheet:: PCA9546APWTG4.pdf

Description:: IC INTERFACE SPECIALIZED 16TSSOP

In Stock:: 3834

Quantity:: Add To Cart

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PCA9546APWTG4 Specifications

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

PCA9546APWTG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9546APWTG4 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 PCA9546APWTG4 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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PCA9546APWTG4 information

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PCA9546APWTG4 Typical application Circuitry

PCA9546APWTG4

The PCA9546APWTG4 is a 4-channel I2C-bus and SMBus multiplexer. It allows a single I2C master to interface with up to four I2C devices, which could have the same address, by providing channel selection via an I2C-bus interface.

PCA9546APWTG4 Application Scenarios:

1. I2C Bus Expansion: Used in systems requiring communication with multiple I2C devices having identical addresses, such as in complex embedded systems, multi-sensor platforms, or server motherboards.

2. Management of Multiple I2C Devices: Ideal for scenarios requiring interfacing with multiple I2C devices like sensors or EEPROMs in a single system without address conflicts.

PCA9546APWTG4 Key Features and Parameters:

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

2. I2C-Bus Compatibility: Fully compatible with I2C-bus and SMBus standards, ensuring seamless integration into I2C systems.

3. Low Standby Current: Energy-efficient design suitable for battery-powered devices.

4. Wide Voltage Range: Operates typically within a 2.3V to 5.5V range, suitable for various logic levels.

5. Channel Lock-Up Prevention: Capable of switching channels even if one becomes stuck.

Circuit Connection Example: Multi-Sensor I2C System

Overview: Implementing PCA9546APWTG4 in a system with multiple I2C sensors.

1. Power Supply Connection: VCC (pin 16) should be connected to the system's power supply, within the 2.3V to 5.5V range.

2. Grounding the Device: 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) are 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 Level Compatibility: Ensure VCC matches the I2C master and sensor logic levels.

2. Channel Address Configuration: Correctly set A0, A1, and A2 for proper channel selection.

3. Bus Capacitance Management: Monitor the total bus capacitance to stay within I2C specifications.

4. Avoiding Channel Lock-Up: Utilize the capability of the PCA9546APWTG4 to switch channels even if one becomes non-responsive.

5. Power Efficiency: Leverage the low standby current feature for energy-saving operation.

In conclusion, the PCA9546APWTG4 is a practical component for expanding I2C capabilities in systems with multiple I2C devices. Its 4-channel multiplexing, I2C-bus compatibility, and 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 PCA9546APWTG4?

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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 PCA9546APWTG4.

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

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