| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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324 pcs
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324 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The PCA9545AZQNR from Texas Instruments is a low-voltage, 4-channel bidirectional translating switch designed for I2C and SMBus applications. This device allows for the expansion of I2C buses by enabling multiple devices with the same slave address to coexist on the bus.
Key features include four active-low interrupt inputs and an active-low reset input for system recovery. The switch channels are selected via the I2C bus, offering flexibility in system design. It supports voltage-level translation between 1.8-V, 2.5-V, 3.3-V, and 5-V buses, with all I/O terminals being 5.5 V tolerant.
The PCA9545AZQNR is housed in a 20-VFBGA package, specifically the MICROSTAR JUNIOR (4x3) variant, and is designed for surface mount applications. Its operating power-supply voltage ranges from 2.3 V to 5.5 V, making it suitable for a wide array of embedded systems and communication equipment.
Applications for this switch include servers, routers, factory automation, and products requiring the management of I2C slave address conflicts, such as multiple identical temperature sensors.
| Qty | Low | High |
|---|---|---|
| 1+ | $6.39 | $6.39 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage range is 2.3 V to 5.5 V.
The PCA9545AZQNR is available in a 20-VFBGA package.
Primary applications include translating switch functions for I2C and SMBus interfaces, commonly used in servers, routers, and factory automation.
The RoHS status is RoHS3 Compliant.
The Moisture Sensitivity Level (MSL) is 1 Unlimited.