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NJM2624A
BRUSH LESS DC MOTOR PRE-DRIVER
■GENERAL DESRIPTION ■PACHAGE OUTLINE
■FEATURES
■PIN CONFIGRATION
NJM2624A
The
is a 3-phase brushless DC motor
pre-driver which requires external power-transistors
suited to drive current of the motor.
The Run Enable function is used as PWM control
besides of ON/OFF switched function.
●Operating Voltage (V
+
=4.5V to 18V)
●Low Operating Current (10mA max.)
●Run Enable
●Forward or Reverse Direction
●Output Switch Current (90mA typ.)
●Bipolar Technology
●Package Outline DIP16, DMP16, SSOP16
1
2
3
4
5
6
7
8 9
16
15
14
13
12
11
10
NJM2624AD
PIN FUNCTION
1.H1-
2.H1+
3.H2+
4.H2-
5.H3-
6.H3+
7.FR
+
8.V
9.GND
10.ON/OFF
11.OUT1
12.OUT3
13.OUT5
14.OUT6
15.OUT4
16.OUT2
NJM2624AV
NJM2624AM
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NJM2624A
■BLOCK DIAGRAM
H1+
H1-
H2+
H2-
H3+
H3-
7
Hall Amp 1
2
1
Hall Amp 2
3
4
Hall Amp 3
6
5
+
V
ENCODER
9 8
GND
Pre-Driver 1
Pre-Driver 2
Pre-Driver 3
ON/OFF Forward or Reverse
10
11
OUT1
16
OUT2
12
OUT3
15
OUT4
13
OUT5
14
OUT6
■ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Supply Voltage V+ 20 V
Output Current IO 100 mA
Power Dissipation
P
D
(DIP16) 700
(DMP16) 350
mW
(SSOP16) 300
Operating Temperature Range
Storage Temperature Range
Topr
Ts tg
-25 ∼ +85
-40 ∼ +150
°C
°C
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NJM2624A
■ELECTRICAL CHARACTERISTICS (V
+
=12V, Ta=25°C)
Total Device
PARAMETER SYMBOL TEST CONDTIONS MIN. TYP. MAX. UNIT
Supply Voltage V+ 4.5 – 18 V
Supply Current ICC RL=
– 3.7 10 mA
ON/OFF Terminal=OPEN
Hall Sensor Section
Input Offset Voltage V
Input Common mode
V
RL=470Ω -4.2 –
IO
RL=470Ω 1.5 –
ICM
4.2 mV
10.5 V
Voltage range
Input Bias Current IB – –
600 nA
Output Section
Output Voltage 1 V
Output Voltage 2 V
Maximum Output
RL=470Ω, V+=12V 8.9 9.5 –
OUT1
RL=470Ω, V+=5V – 3.5 –
OUT2
I
RL=100Ω, V+=12V 50 90 –
OUT1
V
V
mA
Current 1
Maximum Output
I
RL=100Ω, V+=5V –
OUT2
30 –
mA
Current 2
Output Leak Current I
–
LEAK
– 5 μA
Run Enable Section
Run Enable Voltage V
Run Disable Voltage V
Output Voltage
V
RL=470Ω 1/2V++0.5 –
ON
RL=470Ω –
OFF
RL=470Ω 1/2V+-0.5 1/2V+ 1/2V++0.5 V
O-undef
–
–
V
1/2V+-0.5 V
Undefined Area
Source Current 1 I
ON/OFF Terminal=GND – 250 400 μA
ON1
Forward or Reverse Direction Section
Forward Direction V
Reverse Direction VR RL=470Ω –
F/R Logic
RL=470Ω 1/2V++0.5 –
F
V
SW-undef
RL=470Ω 1/2V+-0.5 1/2V+ 1/2V++0.5 V
–
–
V
1/2V+-0.5 V
Undefined Area
Source Current 2 I
Forward or Reverse
ON2
– 250 400 μA
Terminal=GND
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