63 64
SANYO TV . VCR SANYO TV . VCR
LB11885/4MATRIX&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_VCC
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
-
VCC
VCC
2k
62k
2.5k
2.5k
VCC
D_VCC
C_FC
C_VCC
0.5
2200p
2200p D C1
D C2
D PC OUT
D VCO IN
D CX
560k
S GND
680pF
C_FR
TSDQRSOSCRotor positionDetectMaskingTimingControlStart upControl Soft switchingDrive circuitPLL VCO 8 frequencyTSDOutput drive circuitOutput driveCompositeUpper side non saturatc circuit
Rising voltage protect
Rising voltage protect
Rising voltage protect

Package Dimensions

Package Dimensions

SIP/DIP/SQFP/QIP
0.618.03.41.383.00.6 1.22.54 1.01710.815.0max13.41.0min5.826.820.0R1.7(8.4)101(11.8)4.00.42.07.00.5 2.54 (1.97)1.46.01.0min 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 drivePWM oscillatorCurrent limiter function (fixed internal and externally settable)Forward/reverse functionTwo-stage FG amplifier (built-in gain resistor)Control amplifier output pinThree-phase 120° round-trip excitation soft switching sensorless driveSensorless FG functionTwo-stage PG amplifier functionMixed FG and PG output function (separate output is also possible)H bridge forward/reverse functionMotor voltage switching functionShort-circuit braking functionThree-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 3.9max0.51min21.0(0.71) 1.780.257.626.411224 130.950.9
(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)
112
13
24
25
36
37
48
(2.7)
3.0max
0.1