| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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9,525 pcs
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9525 pcs | On Request | 1 | On Request | On Request | 21+ | On Request | On Request | |
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1,926 pcs
|
1926 pcs | On Request | 1 | On Request | On Request | 1301+ | On Request | On Request | |
|
1,312 pcs
|
1312 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
| On Request | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The PCA9545APWR from Texas Instruments is a versatile 4-channel bidirectional translating switch compatible with I2C and SMBus protocols. It supports a wide operating voltage range from 2.3V to 5.5V, making it suitable for various system designs.
This switch features active-low interrupt inputs and an active-low interrupt output, along with an active-low reset input for enhanced control. It allows for channel selection via the I2C bus in any combination and supports voltage-level translation between 1.8V, 2.5V, 3.3V, and 5V buses. The device is designed for hot insertion and exhibits no glitch on power-up.
Packaged in a 20-TSSOP, the PCA9545APWR is surface-mountable. Its specifications include a maximum clock frequency of 400 kHz and an operating temperature range of -40°C to 85°C. The switch also includes features like two address terminals, enabling up to four devices on the I2C bus, and low standby current.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.69 | $0.69 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The PCA9545APWR operates from 2.3V to 5.5V.
The PCA9545APWR supports I2C and SMBus interfaces.
The PCA9545APWR has 4 channels.
The maximum operating frequency for the PCA9545APWR is 400 kHz.
The PCA9545APWR operates between -40°C and 85°C.
The PCA9545APWR is supplied in a 20-TSSOP package.