LB11997H Datasheet, PDF (4/8 Pages) Sanyo Semicon Device – Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive

LB11997H
Truth Table
Source –> Sink
Hall input
U
V
W
Phase W –> Phase V
1
H
H
L
Phase V –> Phase W
Phase W –> Phase U
2
H
L
L
Phase U –> Phase W
Phase V –> Phase W
3
L
L
H
Phase W –> Phase V
Phase U –> Phase V
4
L
H
L
Phase V –> Phase U
Phase V –> Phase U
5
H
L
H
Phase U –> Phase V
Phase U –> Phase W
6
L
H
H
Phase W –> Phase U
Input:
H: Input 1 is higher in potential than input 2 by at least 0.2V.
L: Input 1 is lower in potential than input 2 by at least 0.2V.
Control
V_C
H
L
H
L
H
L
H
L
H
L
H
L
Brake Operation Truth Table
BRAKE pin
Operation
H
Low or open
Short brake
Normal rotation
Pin Assignment
PWR-GND 1
WOUT 2
NC 3
VC 4
VCREF 5
FC 6
LMC 7
FRAME GND
SIG-GND 8
NC 9
NC 10
S/S 11
BRAKE 12
FG 13
RS 14
LB11997H
28 VOUT
27 UOUT
26 VCC2
25 VCC3
24 NC
23 RF
22 VCC1
FRAME GND
21 UIN2
20 UIN1
19 VIN2
18 VIN1
17 WIN2
16 WIN1
15 VH
Top view
A12506
No. 6231-4/8