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Automotive High-Side TMOS Driver

The MC33198 is a high-side TMOS driver, dedicated to automotive applications. It is used in conjunction with an external power MOSFET for high-side drive applications. The device can drive and protect a large variety of MOSFETs. The device has a CMOS compatible input control, charge pump to drive the MOSFET gate, and fault detection circuitry based on programmable VDS monitoring to detect shorted loads. It also includes a programmable timer function to eliminate undesired switch off due to in rush currents, and a status pin which reports the output status of both on and off MOSFET states. The device uses few external components and offers an economical solution to large current high side switches. It also has PWM capability up to 1kHz.

Features

? Designed for Automotive High Side Driver Application

? Works with a Wide Variety of N-Channel Power MOSFETs

? PWM Capability

? On Board Charge Pump Capable of Charging 25nF in less than 1ms with No External Components Required

? Drive Inductive Load with No External Clamp Circuitry Required

? CMOS Logic Compatible Input Control

? TMOS Over Current and Short Circuit Protection

? Fault Output to Report an MOSFET Overcurrent Condition

? Output Status Available when MOSFET is On or Off

? Extended Temperature Range from -40°C to 125°C

? Protected Against Automotive Transients with few External Components

? Overvoltage and Undervoltage Shutdown

? Pb-Free Packaging Designated by Suffix Code EF