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PDF NJU7382A Data sheet ( Hoja de datos )
| Número de pieza | NJU7382A | |
| Descripción | LOW VOLTAGE OPERATION DUAL H-BRIDGE DRIVER | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJU7382A
LOW VOLTAGE OPERATION DUAL H BRIDGE DRIVER
■ GENERAL DESCRIPTION
The NJU7382A is a dual H-bridge driver IC that features low
voltage operation and low quiescent current.
The control method is Phase & Enable inputs type.
The independent comparator circuit can be used for position
sensing signal processing and the others.
Small package makes the NJU7382A suitable for small stepper
motor, such as portable applications.
■ PACKAGE OUTLINE
NJU7382AMJE
(EQFN16-JE)
■ FEATURES
Supply Voltage
: VDD=1.8V to 5.5V
Output Current
: IO=200mA (Continuous)
IO=400mA (Peak)
Output ON Resistance : RO(H+L)=1.25Ω typ. at VDD=3.3V
RO(H+L)=1.95Ω typ. at VDD=1.8V
Low Quiescent Current : 60µA typ. at VDD=3.3V
Phase & Enable Inputs Control
Built-in Comparator Circuit
Protection Circuit
: Thermal Shutdown Circuit (TSD)
Package Outline
: EQFN16-JE
■ BLOCK DIAGRAM
VDD
INA
CEA
INB
CEB
GND
COMP +
COMP -
Control
Logic
TSD
Stepper
OUTA1 Motor
M
OUTA2
OUTB1
OUTB2
COMP OUT
Ver.2015-04-06
-1-
1 page  
NJU7382A
■ THERMAL RESISTANCE
PARAMETER
Junction - Ambient
Thermal Resistance 1
Junction – Case Surface
Thermal Resistance 1
Junction - Ambient
Thermal Resistance 2
SYMBOL
ja_1
jt_1
ja_2
Junction – Case Surface
Thermal Resistance 2
jt_2
TEST CONDITIONS
Mounted on glass epoxy board based on
EIA/JEDEC.
(101.5 114.5 1.6mm, FR-4, 2Layers,
connected exposed PAD)
Mounted on glass epoxy board based on
EIA/JEDEC.
(101.5 114.5 1.6mm, FR-4, 4Layers,
Inner Cu area : 99.5 99.5mm, In addition
thermal via holes, connected exposed PAD)
MIN. TYP. MAX. UNIT
- - 173 ºC/W
- 21 - ºC/W
- - 69 ºC/W
- 11 - ºC/W
■ POWER DISSIPATION vs. AMBIENT TEMPERATURE
2500
NJU7382AMJE PD vs. Ta
(Topr=-40 to +85ºC, Tj=150ºC)
2000
1500
1000
Mounted on 4-Layer Board
(FR4 101.5 114.5 1.6mm,
Inner Cu area: 99.5 99.5mm, In addition
thermal via holes, Bcoancnkescidtedpaetxtpeorns)ed PAD)
936mW
500
Mounted on 2-Layer Board
(FR4 101.5 114.5 1.6mm,
connected exposed PAD)
0
-50 -25 0 25 50
Ambient Temperature Ta(ºC)
75
374mW
100
125
Ver.2015-04-06
-5-
5 Page 
NJU7382A
Ver.2015-04-06
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
- 11 -
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet NJU7382A.PDF ] | |
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