Product Overview
TPS22908YZTR from TI is an ultra-small load switch. 1-5.5V, 0.5A. 30mohm RON. Active-high enable. DSBGA-4 (1x1mm).
Working Principle
Internal N-channel MOSFET controlled by EN pin. 30mohm on-resistance. Controlled slew rate limits inrush. 0.5A current rating. DSBGA-4 is smallest possible footprint.
Pin Description
| Pin | Name | Function |
|---|---|---|
| A1 | IN | 1-5.5V input |
| A2 | GND | Ground |
| B1 | EN | Enable |
| B2 | OUT | Switched output |
Applications
- Power rail switching
- Battery load disconnect
- Space-constrained power routing
Alternative Models
| Manufacturer | Part Number | Notes |
|---|---|---|
| TI | TPS22909YZTR | Active-low enable |