CS8191 Datasheet - Cherry Semiconductor Corporation

CS8191 Precision Air-Core Tach/Speedo Driver with Short Circuit Protection

The CS8191 is specifically designed for use with 4 quadrant air-core meter movements. The IC includes an input comparator for sensing input frequency such as vehicle speed or engine RPM, a charge pump for frequency to voltage conversion, a bandgap reference for stable operation and a function genera.

CS8191 Features

* s Direct Sensor Input s High Output Torque s Wide Output Voltage Range s High Impedance Inputs s Accurate down to 10V VCC s Fault Protection Overvoltage Short Circuit s Low Voltage Operation Absolute Maximum Ratings ( ² 100ms pulse transient) VCC = 60V (continuous) VCC = 24V Operating Temperature R

CS8191_CherrySemiconductorCorporation.pdf