NTE NTE7006 Integrated circuit switch mode driver for dc motor Datasheet

NTE7006
Integrated Circuit
Switch Mode Driver for DC Motors
Description
The NTE7006 is a monolithic LSI circuit in 15–Lead SIP type package with staggered leads. This
device is intended for use in a 3–chip DC motor positioning system for applications such as carriage/
daisy–wheel position control in typewriters.
Features
D Driving Capability: 2A, 36V, 30kHz
D 2 Logic Chip Enable
D External Loop Gain Adjustment
D Single Power Supply: 18V to 36V
D Input Signal Symmetric to GND
D Thermal Protection
Absolute Maximum Ratings:
Power Supply, VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V
Input Voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –15V to +VS V
Inhibit voltage, Vinhibit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to VS V
Total Power Dissipation (TC = +75°C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25W
Operating Junction Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Thermal Resistance, Junction–to–Case, RΘJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3°C/W
Electrical Characteristics: (TA = +25°C, fOSC = 20kHz unless otherwise specified)
Parameter
Symbol
Supply Voltage
VS
Quiescent Drain Current
Id
Test Conditions
Min
Typ
Max
Unit
18
–
36
V
VS = 20V (Offset Null)
–
30
50
mA
VS = 36V, IO = 0
–
–
±350
mV
Input Offset Voltage (Pin6)
VOS
Inhibit Low Level (Pin12, Pin13)
Vinh
–
–
2
V
Inhibit High Level (Pin12, Pin13)
Vinh
3.2
–
–
V
Electrical Characteristics (Cont’d): (TA = +25°C, fOSC = 20kHz unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Low Voltage Condition
Iinh
Vinh (L) = 0.4V
–
–
–100
µA
High Voltage Conditions
Iinh
Vinh (H) = 3.2V
–
–
10
µA
VI = –8.8V
–
–
–1.8
mA
VI = +8.8V
–
–
0.5
mA
IO = 2A
–
8.3
–
V
IO = –2A
–
–8.3
–
V
±2
–
–
A
IO = 2A
–
–
5
V
IO = 1A
–
–
3.5
V
–
–
0.44
V
RS1 = RS2 = 0.2Ω
228
240
260
mA/V
RS1 = RS2 = 0.4Ω
–
120
–
mA/V
1
–
30
kHz
Input Current (Pin6)
II
Input Voltage (Pin6)
VI
RS1 = RS2 = 0.2Ω
Output Current
IO
VI = ±8.8V, RS1 = RS2 = 0.2Ω
Total Dropout Voltage
VD
(Including Sensing
Resistors)
Sensing Resistor Voltage Drop
VRS
Transconductance
TJ = +150°C, IO = 2A
IO
Vi
Frequency Range (Pin10)
fOSC
Truth Table:
Vinhibit
Output Stage
Condition
Pin12
Pin13
L
L
Disabled
L
H
Normal Operation
H
L
Disabled
H
H
Disabled
Note 1. The output stage is also disabled
if the supply voltage falls below
18V.
Pin Connection Diagram
(Front View)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Motor
RS2
Inhibit (CE1)
Inhibit (CE2)
OSC (R)
OSC (C)
Output (Error Amp)
GND
Input (Error Amp)
Input
Output C.S.A.
Comp Input
(+) VS
RS1
Motor
.791 (20.1)
.196 (4.99)
.069 (1.75)
.150 (3.81) Dia Max
.110
(2.79)
.689
(17.5)
.699
(17.7)
.860
(21.8)
1
15
.050 (1.27)
.008 (.203)
.200
(5.08)
.169
(4.29)