63 64
SANYO TV . VCR SANYO TV . VCR
LB11885/4
MATRIX
&
LOGIC
C_HW+
C_HW
-
C_FG IN
C_FG OUT
C_FG
C_MGND
C_LIM
C_CNT
C_RFS
C_RFP
C_W OUT
C_U OUT
C_V OUT
L_GND
L_OUT2L_OUT1
L_VREIL_IND_PGO2D_PGO1
200 200
200
1k
D_PG
-
D_FC
D_CNT
D_FGO
C_PWM
0.1
µ
0.022
µ
0.47
µ
D_PG+
L_V
CC
D_MGND
D_RF
D_V OUT
D_U OUT
D_W OUT
D_COM
0.022
µ
F
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
C_HV+
C_HV
-
C_HU+
C_HU
-
V
CC
V
CC
2k
62k
2.5k
2.5k
V
CC
D_V
CC
C_FC
C_V
CC
0.5
2200p
2200p
D C1
D C2
D PC OUT
D VCO IN
D CX
560k
S GND
680pF
C_FR
TSD
Q
R
S
OSC
Rotor position
Detect
Masking
Timing
Control
Start up
Control
Soft switching
Drive circuit
PLL
VCO
8 frequency
TSD
Output drive circuit
Output drive
Composite
Upper side non saturatc circuit
Rising voltage protect
Rising voltage protect
Rising voltage protect
Package Dimensions
Package Dimensions
SIP/DIP/SQFP/QIP
0.6
18.0
3.4
1.38
3.0
0.6 1.2
2.54
1.0
1
7
10.8
15.0 max
13.4
1.0 min
5.8
26.8
20.0
R1.7
(8.4)
101
(11.8)
4.0
0.4
2.0
7.0
0.5
2.54
(1.97)
1.4
6.0
1.0 min
13.2max
(unit:mm)
(Reference Drawing)
25.6
(10.0)
11.2
(11.8)
(13.9)
1.0 min
4.5
2.4
101
0.5
2.54
(1.37)
1.15
1.2
0.4
15.4 max
3.4
C 0.7
( 2.0)
3.0 min
Overview
Block Diagram
Functions and Features
PWM Capstan + Sensorless Drum
+ Loading Motor Drivers
The LB11885 and LB11884 are 3-in-1 motor driver ICs for VCR units.
Three-phase 120° round-trip excitation direct PWM drive
PWM oscillator
Current limiter function (fixed internal and externally settable)
Forward/reverse function
Two-stage FG amplifier (built-in gain resistor)
Control amplifier output pin
Three-phase 120° round-trip excitation soft switching sensorless drive
Sensorless FG function
Two-stage PG amplifier function
Mixed FG and PG output function (separate output is also possible)
H bridge forward/reverse function
Motor voltage switching function
Short-circuit braking function
Three-value input control
[Common Circuits]
Thermal protection circuit (TSD)
Package: LB11885: HSSOP48 (375mil)
LB11884: SSOP44J (275mil)
[Capstan Motor Drive Block]
[Drum Motor Drive Block]
[Loading Motor Drive Block]
SIP7H SIP10H SIP10HD
DIP24S(300mil) DIP30SD(400mil) DIP36S(400mil)
DIP42S(600mil) DIP54S(600mil) SQFP48(7 7)
SQFP64(10 10) SQFP144(20 20) QIP48E(14 14)
SIP7H SIP10H SIP10HD
DIP24S(300mil) DIP30SD(400mil) DIP36S(400mil)
DIP42S(600mil) DIP54S(600mil) SQFP48(7 7)
SQFP64(10 10) SQFP144(20 20) QIP48E(14 14)
0.48
(3.25)
3.3
3.9max
0.51min
21.0
(0.71)
1.78
0.25
7.62
6.4
1
12
24
13
0.95
0.9
(1.04)
1.78
0.95
0.48
10.16
3.95max
(3.25)
0.51min
3.0
0.25
115
30 16
8.6
27.0
3.95max
(3.25)
0.51min
3.0
32.4
8.6
0.95
0.25
(1.1)
1.78
0.48
10.16
118
36 19
37.7
13.8
0.95
0.48
(1.05)
1.78
(4.25)
3.8
5.1max
0.51min
15.24
0.25
121
42 22
47.58
13.8
1.05
0.48
(0.65)
1.78
(4.0)
3.8
5.0max
0.51min
15.24
0.25
127
54 28
7.0
7.0
9.0
9.0
0.15
0.5
(1.5)
0.1
1.7max
0.18
(0.5)
(0.75)
112
13
24
2536
37
48
10.0
10.0
12.0
12.0
0.15
0.5
(1.5)
0.1
1.7max
0.18
(0.5)
(1.25)
116
17
32
3348
49
64
SIP/DIP/SQFP/QIP
20.0
22.0
20.0
22.0
0.145
0.2
0.5
(1.25)
0.5
136
37
72
73108
109
144
(1.4)
1.6max
0.1
14.0
17.2
14.0
17.2
0.15
0.35
0.8
1.0
(1.5)
1
12
13
24
25
36
37
48
(2.7)
3.0max
0.1
