Dual Intelligent High-Current Self-Protected Silicon High-Side Switch (4.0 mΩ)

The 33984 is a dual self-protected 4.0 mΩ silicon switch used to replace electromechanical relays, fuses, and discrete devices in power management applications. The 33984 is designed for harsh environments, and it includes self-recovery features. The device is suitable for loads with high inrush current, as well as motors and all types of resistive and inductive loads.

Features

• Dual 4.0 mΩ Max High-Side Switch with Parallel Input or SPI Control

• 6.0 V to 27 V Operating Voltage with Standby Currents < 5.0 µA

• Output Current Monitoring with Two SPI-Selectable Current Ratios

• SPI Control of Overcurrent Limit, Overcurrent Fault Blanking Time,

Output-OFF Open Load Detection, Output ON/OFF Control, Watchdog

Timeout, Slew Rates, and Fault Status Reporting

• SPI Status Reporting of Overcurrent, Open and Shorted Loads,

Overtemperature, Undervoltage and Overvoltage Shutdown, Fail-Safe

Pin Status, and Program Status

• Enhanced -16 V Reverse Polarity VPWR Protection