PW546A IC, TSSOP-16 Package

Applications of the TCA9546A 4-Channel I2C Switch IC

1. Servers
2. Telecom routers and switching equipment
3. Factory automation systems
4. Devices with I2C slave address conflicts, such as multiple identical temperature sensors

Specifications of the PW546A IC, TSSOP-16 package

1. 1-of-4 bidirectional translating switches
2. Compatible with I2C Bus and SMBus protocols
3. Active-low reset input
4. Three address pins enabling up to eight devices on the I2C bus
5. Channel selection via I2C Bus, supporting any combination
6. Power-up with all switch channels deselected
7. Low RON (on-resistance) switches
8. Supports voltage-level translation between 1.8 V, 2.5 V, 3.3 V, and 5 V buses
9. No glitches during power-up
10. Hot insertion support
11. Low standby current
12. Operating voltage range: 1.65 V to 5.5 V
13. 5.5 V tolerant inputs
14. Clock frequency range: 0 to 400 kHz
15. Latch-up performance exceeding 100 mA per JESD 78
16. ESD protection exceeding JESD 22 standards:

• 4000 V Human-body model (A114-A)
• 1500 V Charged-device model (C101)

Documents:

TCA9546A IC Datasheet