CS290 - Cherry Semiconductor Corporation

CS290 Ignition Controller

The CS290/291 are integrated circuits to be used in the automotive ignition system. The application diagram shown below highlights the CS290. The CS291 is identical with the differential input replaced by a single-ended input. The part is capable of withstanding 90V load dump transients in the circuit shown below. The part is also reverse battery protected. .

Features

s 40mA Driver s Stall Timing s Output Current Control s Output Clamp s Overvoltage Shutdown Absolute Maximum Ratings Power supply voltage, VBAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .−0.3V to 22V Peak Transient Voltage (Load Dump 76V @ 14V VBAT) . . . . . . . . . . . . . . . .90V Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .−55°C to 165°C Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150°C Lead Temperature Soldering Wave Solder (through hole styles only) . . . . . . .10 sec. max, .