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The 33816 is a SMARTMOS programmable gate driver IC for precision solenoid

control applications. The IC consists of five external MOSFET high-side predrivers

and seven external MOSFET low-side pre-drivers. The 33816 provides a

flexible solution for MOSFET’s gate drive with a versatile control and optimized

latency time. Gate drive, diagnosis, and protection are managed through four

independent microcores, and two Code RAM and two Data RAM banks.

The IC contains two internal voltage regulators with overvoltage and

undervoltage monitoring and protection. There are four current sense modules

and VDS monitoring for fault detection and annunciation via a serial peripheral

interface (SPI).

The device includes both individual charge pump outputs for each high-side predrivers

and a high-voltage DC-DC converter low-side pre-driver.

These features along with cost effective packaging, make the 33816 ideal for

powertrain engine control applications.

Features

? Battery voltage range, 5.0 V < VBATT < 32 V

? Pre-drive operating voltage up to 72 V

? High-side/ low-side pre-drive PWM capability up to 100 kHz–30 nC

? All pre-drivers have four selectable slew rates

? Eight selectable, pre-defined VDS monitoring thresholds

? Encryption for microcode protection

? Integrated 1.0 MHz back-up clock

? Programmable integrated End-of-Injection (EOI) measurement function (MC33816MAE only)

Applications

? Automotive (12 V), truck and industrial (24 V)

powertrain

? Diesel and gasoline direct injection

? Transmission