NJM2624A
V
e
r 1.
0
- 1 -
BRUSH LESS DC MO TOR PRE-DRIVER
■GENERAL DESRIPTION ■PACHAGE OUTLINE
■FEATURES
●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
■PIN CONFIGRATION
The NJM2624A 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.
NJM2624AD
NJM2624AV
NJM2624AM
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
PIN FUNCTION
1
4
3
2
5
7
6
16
13
14
15
12
10
11
8 9
NJM2624A
- 2 -
■BLOCK DIAGRAM
1
4
3
2
5
6
V+
H1+
ENCODER
Hall Amp 3
Hall Amp 1
Hall Amp 2
Pre-Driver 1
Pre-Driver 2
Pre-Driver 3
ON/OFF Forward or Reverse
16
11
10
9 8
7
12
15
13
14
H1-
H2+
H2-
H3+
H3-
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
GND
■ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Supply Voltage V+ 20 V
Output Current IO 100 mA
Power Dissipation
PD
(DIP16) 700
(DMP16) 350
(SSOP16) 300
mW
Operating Temperature Range Topr -25 ∼ +85 °C
Storage Temperature Range Tstg -40 ∼ +150 °C
NJM2624A
-
3
-
■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=
ON/OFF Terminal=OPEN
– 3.7 10 mA
Hall Sensor Section
Input Offset Voltage VIO RL=470Ω -4.2 – 4.2 mV
Input Common mode
Voltage range
VICM RL=470Ω 1.5 – 10.5 V
Input Bias Current IB –
– 600 nA
Output Section
Output Voltage 1 VOUT1 RL=470Ω, V+=12V 8.9 9.5 – V
Output Voltage 2 VOUT2 RL=470Ω, V+=5V – 3.5 – V
Maximum Output
Current 1
IOUT1 RL=100Ω, V+=12V 50 90 – mA
Maximum Output
Current 2
IOUT2 RL=100Ω, V+=5V – 30 – mA
Output Leak Current ILEAK –
– 5 μA
Run Enable Section
Run Enable Voltage VON RL=470Ω 1/2V++0.5 – – V
Run Disable Voltage VOFF RL=470Ω –
– 1/2V+-0.5 V
Output Voltage
Undefined Area
VO-undef RL=470Ω 1/2V+-0.5 1/2V+ 1/2V++0.5 V
Source Current 1 ION1 ON/OFF Terminal=GND – 250 400 μA
Forward or Reverse Direction Section
Forward Direction VF RL=470Ω 1/2V++0.5 – – V
Reverse Direction VR RL=470Ω –
– 1/2V+-0.5 V
F/R Logic
Undefined Area
VSW-undef RL=470Ω 1/2V+-0.5 1/2V+ 1/2V++0.5 V
Source Current 2 ION2 Forward or Reverse
Terminal=GND
– 250 400 μA
NJM2624A
- 4 -
■TERMINAL DESCRIPTION
Pin
No,
SYMBOL FUNCTION INSIDE EQUIVALENT CIRCUIT
2 H1+ Sensor Input 1
Non-Inverting Terminal
3 H2+ Sensor Input 2
Non-Inverting Terminal
6 H3+ Sensor Input 3
Non-Inverting Terminal
1 H1- Sensor Input 1
Inverting Terminal
4 H2- Sensor Input 2
Inverting Terminal
5 H3- Sensor Input 3
Inverting Terminal
H-
500Ω
H+
500Ω
V+
GND
7 F/R Forward or Reverse
Direction Terminal
F/R
50kΩ
50kΩ
V+
GND
50kΩ
NJM2624A
-
5
-
■TERMINAL DESCRIPTION
Pin
No,
SYMBOL FUNCTION INSIDE EQUIVALENT CIRCUIT
8 V+ Power Supply
–
9 GND Ground
–
10 ON/OFF Output Run Enable
Terminal
ON/OFF
50kΩ
50kΩ
V+
GND
50kΩ
11
16
12
15
13
14
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
Internal Switching
Transistor
Emitter Follower
OUT
150kΩ
V+
GND
NJM2624A
-
6
-
■TYPICAL APPLICATION
NJM2624A
H3+
F/R
V+
GND
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6 H3-
H2+
H2-
H1+
H1-
ON/OFF
V+
∗
=Hall Sensors
∗
∗
∗
■TIMING CHART
7PIN =o
p
en
(
hi
g
h
)
Phase-U Input
Phase-W Input
Phase-V Input
Output ON/OFF
Control Voltage
11 Pin Output
12 Pin Output
13 Pin Output
16 Pin Output
15 Pin Output
14 Pin Output
NJM2624A
- 7 -
■TIPICAL CHARACTERISTICS
Supply Current vs. Supply Voltage
(Ta=25°C)
0
1
2
3
4
5
0 5 10 15 20
Supply Voltage V+ (V)
Supply Current Icc (mA)
Input Bias Current vs. Supply Voltage
(Input=1/2V+,Ta=25°C)
0
10
20
30
40
50
60
0 5 10 15 20
Supply Voltage V+ (V)
Input Bias Current IB (nA)
Input vs. Output （Offset）
(V+=12V,RL=470Ω,Ta=25°C)
0
2
4
6
8
10
12
-1 -0.5 0 0.5 1
Input Offset Voltage VIO (mV)
Output Voltage Vout (V)
16pin 15pin
Output Voltage vs. Forward or Reverse Voltage
(V+=12V,RL=470Ω,Ta=25°C)
0
2
4
6
8
10
12
5.94 5.96 5.98 6 6.02 6.04 6.06
Forward or Reverse Voltage V (V)
Output Voltage Vout (V)
Output Voltage vs. Output ON/OFF Voltage
(V+=12V,RL=470Ω,Ta=25°C)
0
2
4
6
8
10
12
5.94 5.96 5.98 6 6.02 6.04 6.06
Output ON/OFF Voltage (V)
Output Voltage Vout (V)
NJM2624A
-
8
-
■TIPICAL CHARACTERISTICS
[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.
Output Leak Current vs.Temperature
(V+=12V,RL=0Ω)
0.001
0.01
0.1
1
10
-50 -25 0 25 50 75 100
Ambient Temperature Ta (°C)
Output Leak Current ILEAK (nA)
Maximum Output Current vs.Temperature
(V+=12V,RL=100Ω)
90
95
100
105
110
-50 -25 0 25 50 75 100
Ambient Temperature Ta (°C)
Maximum Output Current
Iout (mA)
Supply Current vs.Temperature
(V+=12V,RL= )
0
1
2
3
4
5
-50 -25 0 25 50 75 100
Ambient Temperature Ta (°C)
Supply Current Icc (mA)
Input Bias Current vs.Temperature
(V+=12V,Input=1/2V+)
0
10
20
30
40
50
-50 -25 0 25 50 75 100
Ambient Temperature Ta (°C)
Input Bias Current IB (nA)
