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| 型號： | ECN3036F |
| 英文描述： | MOTOR CONTROLLER |
| 中文描述： | 電機控制器 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 82K |
| 代理商： | ECN3036F |
PDE-3021-0
HIGH-VOLTAGE MONOLITHIC IC
ECN3021
ECN3021 is a single chip three-phase bridge inverter IC which has 6 IGBTs in the circuit.
Especially, it is very suitable for controlling the speed of 3-phase DC brushless motors to which
converted AC200~230V power supplies are applied. Fig. 1 shows the internal block diagram.
Functions
Integrated charge pump circuit
Integrated free wheel diodes
Integrated PWM circuit
Integrated FG circuit
Integrated over current protection circuit
Integrated rotating direction monitor circuit
Features
Speed control for a 3-phase DC brushless motor is available with an external microprocessor.
Bottom arm circuits can be operated in 20kHz chopping frequency of PWM.
Clock
GH1
Charge Pump
Bottom Arm
Driver
Top Arm
Driver
VS1
VS2
MU
MV
MW
CL
GL
VS
Clock
SAW wave
Generator
VTR
D2
D1
C1
C2
+
-
3-Phase
VB supply
RTR
CTR
+
-
Over Current Sense
HU
HW
HV
CR
Vref
+
-
RS
0.5V
RU
RV
RW
Distributor
Comparator
Motor
Hall ICs
Microprocessor
CMP
VSP
VCC
VB
CB
C0
VCC(15V)
C+
C-
GH2
Analog
output
FG
DM
Rotating
Direction
Monitor
Fig. 1 Block diagram
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