LB11822 Datasheet, PDF (4/11 Pages) Sanyo Semicon Device – Three-Phase Brushless Motor Driver for OA Products

LB11822
Infinitely large heat sink
Independent IC
Ambient temperature, Ta —°C
Truth Table
Source
F/R = "L"
Sink
IN1
IN2
IN3
1
OUT2 → OUT1
H
L
H
2
OUT3 → OUT1
H
L
L
3
OUT3 → OUT2
H
H
L
4
OUT1 → OUT2
L
H
L
5
OUT1 → OUT3
L
H
H
6
OUT2 → OUT3
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
The relation between the clock frequency, fCLK, and the FG frequency, fFG, is given by the following equation.
fFG(servo) = fCLK/<number of counts>
= fCLK/512
Pin Assignment
OUT1 F/R IN3+ IN3- IN2+ IN2- IN1+ IN1- GND1 S/S FG_IN+ FG_IN- FG_OUT LD
28
27
26
25
24
23
22
21
20
19
18
17
16
15
LB11822
1
2
3
4
5
6
7
8
9
OUT2 OUT3 GND2 V_CC VM VREG PWM CSD XI
10
11
12
13
14
XO INT_OUT INT_IN P_OUT D_OUT
Top view
No. 7105-4/11