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NJM2670E3

P1-P3P4-P6P7-P9
NJM2670
-
4
-
ELECTRICAL CHARACTERISTICS
PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT
GENERAL
Quiescent current
Icc
Enable=H,IN1=IN3=L,IN
2=IN4=H
-
40
-
mA
Thermal shutdown
Ttsd -
170
-
°C
Off-State leak current
Itsd-
LEAK
TSD ARM=5V -
- 50
µA
Thermal alarm output saturation
Vtsd Io=5mA -
0.5 0.7
V
Dead time protection
Td -
1
-
µs
LOGIC
Input LOW voltage
Vi
L
- -
0.6 V
Input HIGH voltage
Vi
H
2
- -
V
Input HIGH current
Ii
H
Vi=2.4V
- -
20
µA
Input LOW current
Ii
L
Vi=0.4V -0.4
- - mA
OUTPUT
V
OU1
Io=1000mA
-
1.3
1.5
V Upper transistor saturation
V
OU2
Io=1300mA
-
1.5
1.8
V
V
OL1
Io=1000mA
-
0.5
0.8
V
Lower transistor saturation
V
OL2
Io=1300mA
-
0.8
1.3
V
V
fU1
Io=1000mA
-
1.3
1.6
V Upper diode forward
V
fU2
Io=1300mA
-
1.6
1.9
V
V
fL1
Io=1000mA
-
1.3
1.6
V Lower diode forward
V
fL2
Io=1300mA
-
1.6
1.9
V
Output leakage current
Lo-
LEAK
V
MM
=50V
- -
1 mA
Upper diode recoverly time
Trr
U
-
250
-
ns
Lower diode recoverly time
Trr
L
-
250
-
ns
TRUTH TABLE
INPUT
(L=Low,H=High,X=Don't care)
OUTPUT
(H=Source,L=Sink)
INA1 INA2
OUTA1
OUTA2
INB1 INB2
OUTB1 OUTB2
OUTPUT mode
L L L L short break mode
L H L H CW
H L H L CCW
ENABLE A=H
ENABLE B=H
H H H H short break mode
ENABLE A=L
ENABLE B=L
X X
All Transistor turned OFF
NJM2670
-
5
-
TYPICAL APPLICATION
1). Bipolar Stepper Motor
2). Single Phase DC Motor
INA1
TSD
INA2
ENABLE A
INB1
INB2
ENABLE B
VS A
VS B
SENSE A
TSD ARM
OUTA1
OUTA2
OUTB2
OUTB1
SENSE B
V
MM
(4 ∼ 55V)
V
CC
V
CC
Motor
Motor
GND
(V
MM
GND)
INA1
TSD
INA2
ENABLE A
INB1
INB2
ENABLE B
VS A
VS B
SENSE A
TSD ARM
OUTA1
OUTA2
OUTB2
OUTB1
SENSE B
V
MM
(4 ∼ 55V)
V
CC
V
CC
(V
MM
GND)
GND
Motor
CPU
or
Microprocessor
CPU
or
Microprocessor
NJM2670
-
6
-
3) Current Control Application for Bipolar Stepper Motor
TIMING CHART
INA1
TSD
INA2
ENABLE A
INB1
INB2
ENABLE B
VS A
VS B
SENSE A
TSD ARM
OUTA1
OUTA2
OUTB2
OUTB1
SENSE B
V
MM
(4 ∼ 55V)
V
CC
V
CC
GND
Motor
CPU
or
Microprocessor
Current
Control
tpd1:IN_HL propagation delay
tpd2:IN_LH propagation delay
td :Output dead band protection delay
te1 :ENABLE_HL propagation delay
te2 :ENABLE_LH propagation delay
th :Output High impedance section
INA1(B1)
OUTA1(B1)
OUTA2(B2)
ENABLE A(B)
INA2(B2)
tpd1
tpd2
td
tpd1
tpd2
td
te1
th
te2
Reference value unit
tpd1 1.0 us
tpd2 2.5 us
td 1.5 us
te1 3.5 us
te2 2.0 us
P1-P3P4-P6P7-P9

NJM2670E3

Mfr. #:
Buy NJM2670E3
Manufacturer:
NJR (New Japan Radio)
Description:
Gate Drivers Dual H Bridge Driver
Lifecycle:
New from this manufacturer.
Delivery:
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