Outoprotected Power Load MOSFET Switch Low Side 18V 5A TO-252

The STMICROELECTRONICS OMNIFET II Outoprotected Power Load MOSFET Switch represents a fully integrated, robust power solution designed using advanced STMicroelectronics® VIPower® M0 technology. It is engineered to replace standard power MOSFETs in applications operating from DC up to 50KHz, providing superior built-in protection for reliable performance in harsh environments.

This low-side power load switch integrates multiple protective features to safeguard the chip, including a built-in thermal shutdown, linear current limitation, and an overvoltage clamp. These ensure stable operation and prevent damage under demanding conditions. The device is characterised by a low current draw from its input pin and offers diagnostic feedback through the same pin, simplifying system monitoring.

Key features include full ESD protection and direct analogue access to the gate of the power MOSFET, making it compatible with standard power MOSFET driving techniques. This makes it an ideal, drop-in upgrade for designs requiring enhanced reliability without significant circuit changes.

Key Specifications & Features:

• Power Load Switch Type: Low Side
• No. of Channels: 1 Channel
• Input Voltage: 18V
• Current Limit: 5A
• On-State Resistance (RDS(on)): 0.2 ohm
• Case / Package: TO-252 (DPAK)
• No. of Pins: 3 Pins
• Integrated Protections: Linear current limitation, Thermal shutdown, Short circuit protection, Integrated clamp, ESD protection
• Operating Temperature Range: -40°C to +150°C
• Moisture Sensitivity Level (MSL): MSL 3 - 168 hours

With its comprehensive protection suite and high-power capability in a compact DPAK package, this OMNIFET II switch is perfectly suited for automotive, industrial, and power management applications where durability and fault tolerance are critical.