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参数资料
| 型号： | ECN3036F |
| 英文描述： | MOTOR CONTROLLER |
| 中文描述： | 电机控制器 |
| 文件页数： | 6/9页 |
| 文件大小： | 82K |
| 代理商： | ECN3036F |
PDE-3021-0
ECN3021
6.
Standard Application
Component
Recommended Value
Usage
Remark
C0
More than 0.22
F
for inner power
supply(VB).
stress voltage is VB
C1,C2
0.5
F ± 20%
for charge pump
stress voltage is VCC
D1,D2
Hitachi DFG1C6(glass mold)
Hitachi DFM1F6(resin mold)
or equivalent parts
for charge pump
600V/1.0A
trr
≤100ns
Rs
Note 1.
for current limiting
CTR
1800 pF
± 5%
for PWM
Note 2.
RTR
22 k
± 5%
for PWM
Note 2.
Note 1. Start up current is limited by the following equation.
IO = Vref / Rs
(A)
Note 2. PWM frequency is approximately determined by the following equation.
fPWM = -1 / (2C*R*Ln(1-3.5/5.5))
; Ln is natural logarithm
= 0.494 / (C*R)
(Hz)
Note 3. It is recommended that RU,RV,RW should be 5.6 k
± 5%.
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 3. Block diagram and external elements
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