FAN8725 Fairchild Semiconductor, FAN8725 Datasheet - Page 15

• Manufacturer Part Number: FAN8725
• Description: Motor / Motion / Ignition Controllers & Drivers BTL Motor Drive IC 3Phase BLDCM+5CH
• Manufacturer: Fairchild Semiconductor
• Type: Spindle Motorr

Specifications of FAN8725

• Operating Temperature Classification: Commercial
• Package Type: QFPH
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 13.2V
• Operating Supply Voltage: 15 V
• Supply Current: 0.6 A
• Mounting Style: SMD/SMT
• Package / Case: QFPH-48
• Operating Temperature: - 35 C to + 85 C
• Lead Free Status / RoHS Status: Compliant

7. FG OUTPUT
8. HALL SENSOR CONNECTION
At the moment that the motor rotates in reverse, the reverse rotation preventer makes the output power transistor open.
Rotation
Forward
Reverse
H3+
H3-
Rotating speed is decreased due to reverse torque at EC >ECR. (Motor still rotates forward)
+
-
HALL 1
H2
H
L
Rotating reverse at short time due to motor inertia
HALL 2
Vcc
Vcc
Stop within 1/6 turn reverse rotating
H L
H L
48
Forward rotation at EC < ECR
H3
VH
HALL 3
7
FG
15
D-F/F
(Q)
H
L
Forward
E
Reverse Rotation Preventer
CR
-
>E
HALL 1
HALL 2
HALL 3
Vcc
C
48 VH
Brake and Stop
FAN8725 (KA3025)
E
C
>E
-
CR