ET7429
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General Description
ET7429 is a Hi-Speed (up to 480Mbps) USB dual SPDT switch with over-voltage protection. It operates over a 2.7V to 5.5V supply range with over-voltage fault protection up to 20V. The device features independent control bits for each switch pair and an on/off enable (EN) for shutdown mode. Additional features include low switch on resistance and capacitance along with a fault flag (FLAG) to alert the system processor to over-voltage fault events. ET7429 has low power consumption and is available in an ultra-small CSP12 1.15mm1.55mm package making it an ideal solution for USB interface switching and protection in mobile applications.
Features
- Operating Range from 2.7V to 5.5V
- Reverse Blocking Back-to-back MOSFETs
- >1GHz -3dB Bandwidth
- Low 6Ω Switch On-Resistance
- Typical 6.0pF Switch On-Capacitance
- Over-voltage Protection Up to +22V
- FLAG Open Drain Output Over-voltage Indicator
- EN to Disable Switch Output
- -40℃ to +85℃ Temperature Range
- MSL1
Technical Documentation
| Type | Title | Format | Date |
|---|---|---|---|
| Datasheet | ET7429 Datasheet | 2025-11-07 |
EN

Specification
Sample