[Melexis]

Description

The US79KUA is the most advanced Smart Fan Control Hall IC. It is designed for 5V and 12V cooling commutation. The chip contains many features to allow survival in a harsh environment. The IC was designed to eliminate all discrete components such as capacitors, resistors, transistors, diodes, PC board and associated labor, replacing US$0.25 to US$0.35 in direct cost.

Features and Benefits

ESD Tolerance IC>7,000V

ESD Tolerance of Fan >15,000V

Built-in Reverse Voltage Protection

Built-in RFI Filter

Power Efficient CMOS and Power MOSFET Drivers allow 400mA without overheating

Built-in Zener Diodes Protect Outputs

Eliminates all Fan Components

Eliminate PC Board

5V and 12V Operation

High Sensitivity for switching symmetry

Locked Rotor Shutdown

Applications

Fan Sizes up to 90mm

Current Range up to 400mA