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NJU7380 PDF даташит

Спецификация NJU7380 изготовлена ​​​​«JRC» и имеет функцию, называемую «Stepper Motor / EMP14».

Детали детали

Номер произв NJU7380
Описание Stepper Motor / EMP14
Производители JRC
логотип JRC логотип 

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NJU7380 Даташит, Описание, Даташиты
www.DataSheet4U.com
STEPPER MOTOR CONTROLLER
NJU7380
s GENERAL DESCRIPTION
NJU7380 is a controller with transrator which convert
from input step and direction pulse to driver's phase signal
for full and half step.
NJU7380 translates from pulse input signal (Serial
interface) to phase signal input, so NJM3700 series dual
channel bipolar drivers or NJM2672 dual H-bridge driver
can be easily controlled by a micro processor .
NJU7380 is also including Auto Current Down (ACD)
circuit which is suitable for reducing power dissipation of
power devices and motor.
s PACKAGE OUTLINE
NJU7380E
s FEATURES
Operating Voltage VDD=4.75 5.25V
Absolute Maximum Voltage 7V
Half -step and Full - step Operation
Internal Phase Logic
Phase Logic Reset Terminal(RESET)
Internal Auto Current Down Function
Specially matched to NJM3775,NJM3777 and NJM2672.
C-MOS Technology
Package Outline EMP14
s PIN CONFIGURATIONS
1
2
3
4
5
6
7
14
1. DIR
8. MO
13 2. STEP 9. ACD
3. HSM 10. Dis2
12
4. RESET 11. Dis1
11 5. Ct 12. PB
6. SGND 13. PA
10 7. PGND 14. VDD
9
8
Fig. 1Pin Configurations
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NJU7380 Даташит, Описание, Даташиты
NJU7380
www.DataSheet4U.com
s BLOCK DIAGLAM
VDD
STEP
DIR
HSM
RESET
Ct
SGND
POR
Phase Logic
&
ACD Logic
PA
Dis1
PB
Dis2
ACD
MO
PGND
Fig.2 Block Diagram
s PIN DESCRIPTION
Pin Pin name Description
1 DIR Direction command input for determining motor turning direction
2
STEP
Motor steeping pulse input, phase logic operation triggered by negative edge of
STEP signal
3
HSM
Half/Full step mode switching input
H level in full step mode and L level in half step mode
4 RESET Phase logic initial input
5 MO Phase output initial status detection output
6 Ct A value of connected capacitor determines lock detection time (Ton) and auto
resume time (Toff)
7
SGND
SGND (Logic GND) and PGND (Analog GND) is not connect in the IC
8
PGND
SGND and PGND pins should be connected ground respectively.
9
ACD
Auto Current Down output terminal
L level in active
10
DIS2
Step sequence output terminals
11
DIS1
P1/DIS1(P2/DIS2) determine a sequence output on Phase1(2) for driver IC
12 P2 P1(P2) determine a motor current direction on Phase1(2) for driver IC
13 P1 DIS1(DIS2) determine a phase current OFF mode at the half-step
14 VDD Logic power supply voltage terminal
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NJU7380 Даташит, Описание, Даташиты
www.DataSheet4U.com
NJU7380
s ABSOLUTE MAXIMUM RATINGS
PARAMETER
RATINGS
Supply Voltage
Input Voltage
Output Current
Operating Temperature Range
Storage Temperature Range
Power Dissipation
+7.0
-0.3 VDD+0.3
10
-40 85
-40 +125
300
SYMBOL [unit]
VDD[V]
VID[V]
IO [mA]
TOPR[°C]
TSTG [°C]
PD [mW]
(Ta=25°C)
NOTE
Device itself
s RECOMMENDED OPERATING CONDITIONS
VDD=4.75V5.25V
s ELECTRICAL CHARACTERISTICS
PARAMETER
SYSMBOL
Operating Current
IDD
H Level Input Voltage
VIH
L Level Input Voltage
VIL
H Level Input Current
L Level Input Current
Phase Output
Saturation Voltage
DIS Output
Saturation Voltage
IIH
IIL
VP
VDIS
VR Detection Voltage
MO Output Saturation
Voltage
VVR
VMO
Output Leak Current
Power Down ON
Time
ILEAK
TON
Turn ON Time
Turn OFF Time
Set-up Time
Step-pulse
Continuation Time
TDON
TDOFF
TS
VSPC
CONDITION
-
-
-
-
-
IP=5mA
IDIS=5mA
IMO=5mA
IMO=5mA
VDD =7V
CT=0.1µF
-
-
-
-
MIN.
-
3.5
-
-
-
-
-
-
-
-
140
-
-
400
800
(V+=5V, Ta=25°C)
TYP. MAX. UNIT
3.0 4.0 mA
- -V
- 1.5 V
100 150 µA
-100 -150 µA
- 0.5 V
- 0.5 V
- 0.5 V
- 0.5 V
- 1 µA
200 260 ms
- 3 µs
- 3 µs
- - ns
- - ns
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