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NJM2625 PDF даташит

Спецификация NJM2625 изготовлена ​​​​«ETC» и имеет функцию, называемую «PWM TYPE 3-PHASE DC BRUSHLESS MOTOR CONTOROL IC».

Детали детали

Номер произв NJM2625
Описание PWM TYPE 3-PHASE DC BRUSHLESS MOTOR CONTOROL IC
Производители ETC
логотип ETC логотип 

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NJM2625 Даташит, Описание, Даташиты
NJM2625
PWM TYPE 3-PHASE DC BRUSHLESS MOTOR CONTOROL IC
GENERAL DESCRIPTION
The NJM2625 is a 3-phase DC brush-less motor
control IC with PWM control.
It incorporates hall amplifiers, PWM control circuits,
totem-pole pre drivers for external power MOS
transistors, current limit and frequency generator
circuit.
The NJM2625 easily implements speed control and
rotation direction control for DC motor application.
PACKAGE OUTLINE
NJM2625D
FEATURES
Operating Voltage
Pre-Driver Circuit
Current Limit Sense Voltage
Internal Oscillator
Forward or Reverse Direction
FG Signal Output
Internal Soft Start
Internal ON/OFF Circuit
Bipolar Technology
Package Outline
(V+=8V to 18V)
(Iout=+50mA/-150mA MAX.)
(Current limit=0.5V±10%)
(Frequency control for external capacitor)
(Output frequency to hall frequency)
(External capacitor to Verr pin.
(No-output is Verr pin to GND.)
DIP20, DMP20
NJM2625M
PIN CONFIGRATION
1
2
3
4
5
6
7
8
9
10
NJM2625D
NJM2625M
20
19
18
17
16
15
14
13
12
11
PIN FUNCTION
1.FG
11.GND
2.Vref
12.ILIMIT
3.H1+
13.WL
4.H1-
14.VL
5.H2+
15.UL
6.H2-
16.WH
7.H3+
17.VH
8.H3-
9.Verr
18.UH
19.V+
10.OSC
20.F/R
Ver 1.0 - 1 -









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NJM2625 Даташит, Описание, Даташиты
NJM2625
BLOCK DIAGRAM
20.F/R
3.H1+
4.H1-
5.H2+
6.H2-
7.H3+
8.H3-
19.V+
2.Vref
Rotor
Position
Decode
r
V+
Vref UVLO
10.OSC
9.Verr
Saw
Oscillator
PWM
COMP
Logic
1.FG
11.GND
FG
V+
16.WH
17.VH
18.UH
13.WL
14.VL
15.UL
12.ILIMIT
-2-









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NJM2625 Даташит, Описание, Даташиты
NJM2625
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
Maximum Supply Voltage
Power Dissipation
SYMBOL
V+
PD
Operating Temperature Range
Storage Temperature Range
Topr
Tstg
RATINGS
20
(DIP20)
700
(DMP20)
350
-40 +85
-50 +150
UNIT
V
mW
°C
°C
ELECTRICAL CHARACTERISTICS (V+=12V, Ct=1000pF, Cref=1µF, Ta=25°C)
Total Device
PARAMETER
SYMBOL TEST CONDITIONS MIN.
Supply Voltage
V+
8.0
Under Voltage Sense Voltage
(Under Voltage Lock Out)
Hysteresis Voltage
(Under Voltage Lock Out)
Supply Current
UVLO
UVLO
Icc
Output Enable
V+ Increasing
RL=
PWM Duty=50%
7.00
0.4
-
TYP.
-
7.25
0.5
15.0
MAX.
18.0
7.50
UNIT
V
V
0.6 V
22.0 mA
Hall Sensor Section
PARAMETER
Hysteresis Voltage
Input Common mode
Voltage range
Input Bias Current
SYMBOL
Vhys
Vicm
TEST CONDITIONS
RL=470
RL=470
IB
MIN.
-
1.5
-
TYP.
30
-
-
MAX.
-
10.5
UNIT
mV
V
600 nA
Output Section
PARAMETER
Output Voltage 1
Output Voltage 2
SYMBOL
Voh
Vol
TEST CONDITIONS
Isource=50mA
Isink=150mA
MIN.
10
-
TYP.
10.3
1.5
MAX.
-
2.0
UNIT
V
V
Over Current Sense Section
PARAMETER
Sense Voltage
Input Voltage Range
Input Bias Current
SYMBOL
Vth
Vip
IIB
TEST CONDITIONS
MIN.
0.45
-
-
TYP.
0.50
-
-0.9
MAX.
0.55
3.0
-5.0
UNIT
V
V
µA
Oscillator Section
PARAMETER
Oscillation Frequency
Oscillate Fluctuations
(Line Regulation)
PWM0% Sense Voltage
PWM100% Sense Voltage
Saw Wave Peak Voltage
Saw Wave Bottom Voltage
SYMBOL TEST CONDITIONS
fosc
? fosc/? V V+=8V to 18V
PWM0
PWM1
Vpfosc
Vbfosc
PWM DUTY=0%
PWM DUTY=100%
MIN.
20
-
-
5.40
4.75
0.50
TYP.
25
0.01
-
-
5.00
0.65
MAX.
30
5.00
0.35
-
5.25
0.80
UNIT
kHz
%
V
V
V
V
-3-










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