M56759FP Datasheet, PDF (1/11 Pages) Mitsubishi Electric Semiconductor – 4-CHANNEL ACTUATOR DRIVER

MITSUBISHI <CONTROL / DRIVER IC>
M56759FP/AFP
4-CHANNEL ACTUATOR DRIVER
DESCRIPTION
The M56759 is a semiconductor integrated circuit designed for a
CD-ROM actuator driver. This device can function 4-channel-
actuators by 1 chip due to include 4 channel BTL drivers.
Three channels of this device, ch1, ch2 and ch3 can be controlled
by PWM pulse. Two of them, ch1 and ch2 can also act in the
Current Control mode.
Furthermore, this device includes two mute circuits and TSD
function.
FEATURES
q Low saturation voltage (at bootstrap).
q (typical 0.7V at load current 500mA)
q Wide supply voltage range.
(4.5V to 13.2V)
q Low cross-over distortion.
q Two naked Operational Amplifiers
q Divided Motor power supplies into three parts
APPLICATION
CD-ROM
PIN CONFIGURATION (TOP VIEW)
VCC2 1
42 MUTE2
VREF 2
41 MUTE1
VREF0 3
40 SOUT2
IN3- 4
39 SIN2-
IN3+ 5
38 IN2+
Vm3 6
37 IN2-
OUT3 7
36 OUT2
VM3(-) 8
35 VM2(-)
VM3(+) 9
34 VM2(+)
10
GND
11
33
GND
32
VM4(+) 12
31 VM1(+)
VM4(-) 13
30 VM1(-)
IN4A- 14
29 OUT1
Vm2 15
28 IN1-
IN4B- 16
27 IN1+
OP1OUT 17
26 Vm1
OP1- 18
25 SIN1-
OP1+ ₁₉
24 SOUT1
OP2+ ₂₀
23 VCC1
OP2- 21
22 OP2OUT
Outline 42P2R-D
BLOCK DIAGRAM
SOUT1 ²⁴
SIN1- ²⁵
IN1+ 27
IN1- ²⁸
OUT1 ²⁹
VM1(+) ³¹
+
-
-
VM1(-) 30
+
VM2(-) 35
+
-
VM2(+) 34
-
+
OUT2 36
IN2- ³⁷
IN2+ ³⁸
SIN2- ³⁹
SOUT2 40
+-^{A3 S1}
+_A3
- _E1
CH1
CH2
- ^E2
+^A3
+
-^A3 _S2
VREF0 VREF OP2+ OP2-
3
2
20 21
OP2
OP1
OUT _{OP1+ OP1-} OUT
22
19 18
17
VCC2
1
-
-
A2
A4
OP2
-
A4
OP1
VCC2
VREF0
BIAS
VCC1
Hi:Sleep
1ch
4ch _SLEEP ^TSD
2ch
3ch
26
Vm1
41
MUTE1
42
MUTE2
10 11 32 33 23
VCC1
GND (4PIN)
A1^+-
A1⁺
E4 ^-
+
-
CH4 _-
+
+
-
CH3 _-
+
A3
E3
-
+
A1
-
+
15 _Vm2
16 IN4B-
14 _IN4A-
12 VM4(+)
13 VM4(-)
8 VM3(-)
9 VM3(+)
4 IN3-
5 _IN3+
7 _OUT3
6 Vm3