LB11923V Datasheet, PDF (6/20 Pages) Sanyo Semicon Device – Three-Phase Brushless Motor Driver

LB11923V
Speed Discriminator Count and VCO Divisor
N1
High or open
High or open
Low
Low
N2
High or open
Low
High or open
Low
Count
1024
1024
256
512
Divisor
1024
512
256
512
f_FG = (divisor ÷ count) × f_CLK
Three-Phase Logic Truth Table (A high (H) input is the state where IN⁺ > IN^–.)
F/R=L
Item
IN1 IN2 IN3
1
H
L
H
2
H
L
L
3
H
H
L
4
L
H
L
5
L
H
H
6
L
L
H
F/R=H
IN1 IN2 IN3
L
H
L
L
H
H
L
L
H
H
L
H
H
L
L
H
H
L
Output
PWM —
VH
UL
WH
UL
WH
VL
UH
VL
UH WL
VH
WL
S/S Pin
High or open
Low
Stop
Start
BR Pin
High or open
Low
Brake
Released
No. 7498-6/20