MITSUBISHI <CONTROL / DRIVER IC>
M56788FP
5 CHANNEL ACTUATOR DRIVER
DESCRIPTION
The M56788FP is a semiconductor integrated circuit in order 5ch
actuator.
PIN CONFIGURATION (TOP VIEW)
CH3IN
OUT3
IN3-
VBS2
Vm2
N.C
GND
IN3+
VM3-
VM3+
GND
VM4+
1
2
3
4
5
6
7
8
9
42 REG+
41 REGB
40 IN1+
39 VBS1
38 Vm1
37 IN1-
36 OUT1
35 VM1-
34 VM1+
FEATURES
q
Low saturation voltage.
q
3.3V DSP available.
q
There are two motor power supplies.
Vm1 CH1,2 motor power supply-1
Vm2 CH3,4,5 motor power supply-2
q
Built-in OP amp. for Regulator.
(It enables a Regulator which consists of external PNP Tr.s and
resistors.)
q
Flexible Input amp. setting.(It enables PWM control.)
q
Low cross-over distortion.(4.5V–13.2V)
q
Wide supply voltage range.(4.5V–13.2V)
q
Built-in Thermal Shut Down circuit.
q
Built-in Mute circuit.(two systems)
MUTE1:CH1–4, MUTE2:CH5
M56788FP
10
11
12
13
14
15
16
17
18
19
20
21
33 GND
32 VM2+
31 VM2-
30 OUT2
29 GND
28 IN2-
27 IN2+
26 MUTE1
25 MUTE2
24 SS.GND
23 VREF
22 VREFO
APPLICATION
MD, CD-audio, CD-ROM, VCD,DVD etc.
VM4-
VM5+
VM5-
OUT5
IN5-
IN5+
IN4+
IN4-
OUT4
Outline
Vm1
38
VBS1
39
VBS2
4
42P9R-B
N.C: no connection
Vm2
5
VBS2
IN1+ 40
IN1- 37
OUT1 36
VM1(+) 34
VM1(-) 35
+
-
-
+
+
-
-
+
+
-
VBS1
E1
VBS1
R
R
-
Vm1
Vm2
-
+
+
R
R
Vrefm2
E3
VBS2
-
+
3
8
2
1
+
-
-
+
IN3-
IN3+
OUT3
CH3IN
CH1
x5
VBS1
Vrefm1
CH3
x8
VBS2
CH4
10 VM3(+)
9 VM3(-)
VM2(+) 32
VM2(-) 31
OUT2 30
IN2- 28
IN2+ 27
VREFO 22
CH2
x5
VREFO
BIAS
-
+
VBS1
E2
Low,Open
MUTE ON
1–4
CH
1.25v
5CH
TSD
VBS1
Hi:Sleep
+
-
-
+
12 VM4(+)
13 VM4(-)
x8
VBS2
E4
-
+
20 IN4-
19 IN4+
21 OUT4
+
-
-
+
14 VM5(+)
15 VM5(-)
SLEEP
VBS2
CH5
x8
VBS2
E5
VREF 23
-
+
VBS1
VREF
-
+
VBS2
REGB 41
REG+ 42
VREG
-
+
17 IN5-
18 IN5+
16 OUT5
26
MUTE1
SS.GND
24
25
7 11 29 33
MUTE2
GND(4PINS)
MITSUBISHI [ MITSUBISHI ELECTRIC SEMICONDUCTOR ]
