NTE NTE1892 Integrated circuit dual bi−directional motor driver with brake function and thermal shutdown Datasheet

NTE1892 & NTE1892A
Integrated Circuit
Dual Bi−Directional Motor Driver
with Brake Function and Thermal Shutdown
Description:
The NTE1892 and NTE1892A are bi−directional motor drivers in a 12−Lead SIP type package and
consists of two full bridge drivers designed for use in a two DC motor control circuit.
Features:
D Two Separate Full Bridge Drivers (Only one circuit can be switched by the Select (SE) Input).
D Wide Operating Voltage Range: VCC = 4V to 16V
D TTL, PMOS, CMOS Outputs, Capable of Direct Drive
D Low Output Saturation Voltage
D Built−in Clamp Diode
D High Output Drive Current: IOmax = ±2A
D Braking Mode Input
D Internal Thermal Shutdown Protection
Applications:
D Audio Tape Deck Player
D Radio/Cassette Player
D Video Cassette Recorder
D Home Equipment Use
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage 1, VCC(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5V to +18V
Supply Voltage 2 (NTE1892 Only, Note 1), VCC(2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5V to +18V
Driver Supply Voltage, VCC′ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5V to +18V
Input Voltage, Vi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to VCC V
Output Voltage, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −2V to VCC+2.5V
Peak Output Current (top = 10ms, relative cycle 0.2Hz Max), IOmax
NTE1892 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±2.0A
NTE1892A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1.2A
Continuous Output Current 1, IO(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 330mA
Continuous Output Current 2 (NTE1892 Only, Note 1), IO(2) . . . . . . . . . . . . . . . . . . . . . . . . ± 600mA
Power Dissipation (TA = +75°C), PD
NTE1892 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.6W
NTE1892A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 830mW
Operating Temperature Range, Topr
NTE1892 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −10° to +75°C
NTE1892A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C
Note 1. With external heat sink (3000mm2 x 1.5mm)
Recommended Operating Conditions: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Supply Voltage
VCC
4
12
16
V
Output Current
IO
−
−
±300
mA
High−Level Input Voltage
VIH
Input S1, S2, SE
2
−
VCC
V
Low−Level Input Voltage
VIL
Input S1, S2, SE
0
−
0.4
V
10
100
−
ms
100
−
−
ms
−
150
−
°C
Min
Typ
Max
Unit
−
−
100
µA
−
−
−100
µA
VCC = VCC′ = 12V IOH(1) = −200mA
10.8
−
−
V
IOH(1) = −500mA
10.7
−
−
V
VCC = VCC′ = 12V IOL = 200mA
−
−
0.5
V
IOL = 500mA
−
−
1.35
V
Motor Braking Interval
NTE1892
ts
NTE1892A
Thermal Shutdown
Temperature
tj(shut)
VCC ≥ 7V
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Output Leakage Current
Symbol
IO(LEAK)
High−Level Output Voltage
VOH
Low−Level Output Voltage
VOL
Test Conditions
VCC = VCC′ = 18V, VO = 18V
VS1 = VS2 = 0V,
0V
VO = 0V
VSE = 0V or 2V
High−Level Input Current
IIH
VCC = VCC′ = 12V, Vi = 2V
50
−
120
µA
Low−Level Input Current
IIL
VCC = VCC′ = 12V, Vi = 0V
50
−
120
µA
Supply Current
ICC
VCC = VCC′ = 12V VSE = 0V, VS1 = VS2 = 0V
−
−
10
mA
−
−
20
mA
VSE = 0V, VS1 = 0V, VS2 = 2V
Function:
The NTE1892/NTE1892A, two full bridge motor driver, has the logic circuitry and the quasi−darlington
power driver for bi−directional control of two DC motors operating at currents up to 2A.
The input SE selects one of the bridges and S1 and S2 determines the output polarity.
Logic Truth Table:
Input
Output
Note
SE
S1
S2
O1
O2
O3
O4
Output O1, O2
Output O3, O4
0
0
0
OFF
OFF
OFF
OFF
OPEN
OPEN
0
1
0
1
0
OFF
OFF
Motor Forward
OPEN
0
0
1
0
1
OFF
OFF
Motor Reverse
OPEN
0
1
1
0
0
OFF
OFF
BRAKING
OPEN
1
0
0
OFF
OFF
OFF
OFF
OPEN
OPEN
1
1
0
OFF
OFF
1
0
OPEN
Motor Forward
1
0
1
OFF
OFF
0
1
OPEN
Motor Reverse
1
1
1
OFF
OFF
0
0
OPEN
BRAKING
Pin Connection Diagram
(Front View)
12 O4
11 VCC2
10 VCC‘2
9
O3
8
S2
7
S1
6
SE
5
GND
4
O2
3 VCC’1
2 VCC1
1
O1
NTE1892
1.211 (30.75)
.138
(3.5)
.906 (23.0)
.134 (3.4) Dia
.594
(15.1)
Max
.447
(11.35)
1
12
.236 (6.0)
Min
.024 (0.6)
.100 (2.54)
NTE1892A
1.193 (30.3)
.110 (2.8)
.047
(1.2)
Min
.335
(8.5)
.020
(0.5)
.100
(2.54)
.047
(1.2)
.118
(3.0)
Min
.010
(0.25)
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