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PDF NJM2626 Data sheet ( Hoja de datos )

Número de pieza NJM2626
Descripción General Motor / SSOP16
Fabricantes JRC 
Logotipo JRC Logotipo



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NJM2626
PWM TYPE 3-PHASE DC BRUSHLESS MOTOR CONTROL IC
s GENERAL DESCRIPTION
s PACKAGE OUTLINE
The NJM2626 is a 3-phase DC brush less motor control
pre-driver IC with PWM control.
It takes hall IC inputs and generates motor driving
waveform.
Output pre-driver is optimized to work with external power
MOS transistors for better power handling.
The NJM2626 can easily implement 3-phase DC motor
application with speed control feature.
NJM2626V
s FEATURES
Operating Voltage
6 to 26V
Pre-driver circuit
Lower arm : (Iout=+30mA/-30mA TYP.)
Upper arm : (Iout=30mA TYP.)
Current limit sense voltage (Current limit=0.5V±10%)
Internal Oscillator
(Frequency control for external capacitor)
Forward or Reverse direction
Internal Soft Start (External capacitor to Verr pin)
Internal ON/OFF Circuit (No-output is Verr pin to GND)
Bipolar Technology
Package Outline
SSOP16
sPIN CONNECTION
1 16
2 15
3 14
4 13
5 12
6 11
7 10
89
NJM2626V
1.FR
2.Vref
3.H1
4.H2
5.H3
6.OSC
7.Verr
8.GND
9.Ilimit
10.WL
11.VL
12.UL
13.WH
14.VH
15.UH
16.VCC
Ver.2005-01-17
-1-

1 page




NJM2626 pdf
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s TYPICALAPPLICATION
1:FR
3:H1
4:H2
Rotor
Position
Decode
5:H3
16:VCC
2:Vref
6:OSC
Vref
Saw
Osillator
7:Verr
+
-
8:GND
+
-
VCC
UVLO
Logic
+
-
9:ILimit
15:UH
14:VH
13:W H
12:UL
11:VL
10:W L
NJM2626
VM
Motor
A rotation direction change must be made after motor stopped completely.
When PWM duty is extremely small, two or more switching elements can not be driven entirely.
In such case, switching elements will generate excess heat and it may cause destruction of the
switching devices. Therefore, extensive heat evaluation is necessary for switching device selection
particularly in consideration of the area of safety operation (ASO).
Ver.2005-01-17
-5-

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