LB11922_08 Datasheet, PDF (5/15 Pages) Sanyo Semicon Device – For OA Products Three-Phase Brushless Motor Driver

Pin Assignment
LB11922
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
LB11922
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 _{Top view}
Speed Discriminator Counts
N
High or open
Low
Number of counts
512
1024
fFG = fOSC ÷ (16 × <number of counts>)
Three-Phase Logic Truth Table (A high (H) input is the state where IN+ > IN-.)
F/R = L
Item
IN1
IN2
IN3
F/R = H
IN1
IN2
IN3
Output
PWM
-
1
H
L
H
L
H
L
VH
UL
2
H
L
L
L
H
H
WH
UL
3
H
H
L
L
L
H
WH
VL
4
L
H
L
H
L
H
UH
VL
5
L
H
H
H
L
L
UH
WL
6
L
L
H
H
H
L
VH
WL
S/S pin
Input condition
High or open
Low
Condition
Stop
Start
BRK pin
Input condition
High or open
Low
Condition
Brake
Released
No.7497-5/15