Description
EUM6861/A/B/C 18V PWM Fan Motor Driver .
EUM6861/A/B/C is a fan motor driver for the single coil brushless DC motor.
Features
* Built in 18V Full-wave Motor Driver for Fan Motor Built in Input Surge Protection, No Zener Diode Need External Programmable Soft Start and Soft Restart Function Wide Input Range 3V~18V PWM Fan Speed Control Programmable Minimum Fan Speed Built in Soft Switching Function Built in Hall Bias Lock Prot
Applications
* Personal Computer’s Power Supply Radiation Fans and CPU Coolers
DS6861/A/B/C Ver1.5 Jun. 2012
Figure 1. TSSOP -16 Typical Application Circuit
1
Application Circuit (continued)
EUM6861/A/B/C
Figure 2. TDFN-14 Typical Application Circuit
Functional Block Diagram
Figure 3. Functional Block Diagra