FAN8729 Fairchild Semiconductor, FAN8729 Datasheet - Page 17

• Manufacturer Part Number: FAN8729
• Description: Motor / Motion / Ignition Controllers & Drivers BLDC+4CH BTL
• Manufacturer: Fairchild Semiconductor
• Type: Spindle Motor Controllerr

Specifications of FAN8729

• Operating Temperature Classification: Commercial
• Package Type: PQFP
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 13.2V
• Operating Supply Voltage: 4.5 V to 13.2 V
• Supply Current: 16.5 mA
• Mounting Style: SMD/SMT
• Package / Case: QFPH-48
• Lead Free Status / RoHS Status: Compliant

FAN8729
8. FG Output Function
• FG circuit outputs the number of motor rotation.
• One pulse per rotation is output of FG.
• FG uses hall signal H1 as its input, and creates output using hysteresis
• Input/Output wavelength is shown below;
17
F G
H 1
comparator.
H1+
H1-
+
-
7
FG Output