LB1916 Datasheet, PDF (3/7 Pages) Sanyo Semicon Device – CD-ROM Spindle Motor Driver

LB1916
Hall Logic Truth Table
Source → Sink
Hall input
U_IN
V_IN
W_IN
Forward/reverse control
W →V
1
H
H
L
V →W
Forward
Reverse
W→U
2
U→W
H
L
L
Forward
Reverse
V →W
3
L
L
H
W →V
Forward
Reverse
U→V
4
V→> U
L
H
L
Forward
Reverse
V→U
5
H
L
H
U→V
Forward
Reverse
U→W
6
W→U
L
H
H
Forward
Reverse
An input “H” state is defined as U_IN1 > U_IN2, V_IN1 > V_IN2, and the potential
difference is at least 0.2 V.
When V_C > V_CREF: Forward rotation
When V_C < V_CREF: Reverse rotation
Mode Switching Truth Table
CTRL0 CTRL1
Mode
L
L
Control
L
H
Control
H
L
Acceleration
H
H
Deceleration
The low level is 0 to 1.0 V
The high level is 4.0 V or higher
Pin Assignment
V_CREF
No. 5653-3/7