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TCA9545APWR
+Lista de MateriaisIC BUS SWITCH 2 X 1:4 20TSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #TCA9545APWR
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Pacote TSSOP-20
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | TCA |
| ProductStatus | Active |
| Type | Bus Switch |
| Circuit | 2 x 1:4 |
| IndependentCircuits | 1 |
| VoltageSupplySource | Single Supply |
| Voltage-Supply | 1.65V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 20-TSSOP (0.173, 4.40mm Width) |
Visão Geral
Description
The TCA9545APWR integrates a voltage-level translation function, making it suitable for systems where different devices operate at varying voltage levels, typically ranging from 1.65 V to 5.5 V. This ensures seamless communication between devices operating at different voltage domains. The switch is controlled via a standard I²C interface and features a configurable interrupt output to alert the master of events on the downstream channels.
Manufactured by Texas Instruments, the TCA9545APWR is available in a TSSOP package, making it suitable for use in space-constrained applications. It's commonly used in systems requiring multiple device management, such as embedded systems, servers, and consumer electronics.
Equivalent
1. NXP PCA9545A: Offers similar functionality with 4-channel I2C multiplexing capabilities.
2. Maxim Integrated MAX7367: Another I2C multiplexer with 4-channel options.
3. ON Semiconductor FSA221: Provides similar I2C switching features.
These alternatives can serve as substitutes, although it's important to compare specific features and specifications to ensure compatibility with your application.
Features
The TCA9545APWR includes an active-low interrupt output, enabling the detection of interrupts from any of the downstream channels. It also has a reset input, which can be used to recover from bus-fault conditions. The device features low standby current consumption and is packaged in a small TSSOP, making it suitable for space-constrained applications.
The TCA9545APWR is widely used for expanding I2C bus systems, providing a way to connect multiple devices without address conflicts. Its ability to isolate bus sections helps in reducing capacitive loading and improving signal integrity. This device is ideal for applications in consumer electronics, automotive systems, and industrial communication networks.
Pinout
Manufacturer
Application
1. Consumer Electronics: Facilitates multi-device communication in gadgets like TVs and home automation systems.
2. Industrial Automation: Manages multiple sensors and control devices in factory settings.
3. Telecommunications: Supports complex network equipment by enabling multiple communication paths.
4. Medical Devices: Integrates different sensors and monitoring equipment in healthcare setups.
5. Automotive Systems: Assists in managing various electronic subsystems like infotainment and navigation.
Its ability to reduce bus capacitance and avoid address conflicts makes it highly versatile in multi-device environments.