FAN8725 Fairchild Semiconductor, FAN8725 Datasheet - Page 15
FAN8725
Manufacturer Part Number
FAN8725
Description
Motor / Motion / Ignition Controllers & Drivers BTL Motor Drive IC 3Phase BLDCM+5CH
Manufacturer
Fairchild Semiconductor
Type
Spindle Motorr
Datasheet
1.FAN8725.pdf
(20 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
FAN8725
Manufacturer:
SEIKO
Quantity:
490
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