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參數(shù)資料
| 型號： | ECN30102SP |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1.2 A, PZFM23 |
| 封裝： | SP-23TA |
| 文件頁數(shù)： | 14/15頁 |
| 文件大小： | 579K |
| 代理商： | ECN30102SP |
P8/14
ECN30102 Product Specification
ECN30102
4. Standard application
4.1 External components
Components
Standard value
Usage
Remarks
C0
0.22 F ± 20%
For inner power supply
(VB)
Stress voltage is VB (=8.2V)
C1,C2
1.0 F ± 20%
For charge pump
Stress voltage is VCC
D1,D2
Hitachi DFG1C4 (Glass
mold type)
, DFM1F4
(Resin mold type)
or considerable parts
For charge pump
400V, 1A
trr
≤ 100ns
Rs
Note 1
For current limit
CTR
1800 pF ± 5%
For PWM frequency
Stress voltage is VB (=8.2V)
Note 2
RTR
22 k
± 5%
For PWM frequency
Stress voltage is VB (=8.2V)
Note 2
Note 1 Start up current IO is determined approximately by next equation.
IO = Vref / Rs
(A)
IO should be less than IDC of maximum allowable ratings.
To determine sense resistance Rs, refer above comment and appendix 1.2 and 1.3
on pp.12,13 of this document.
Note 2. PWM frequency is determined approximately by next equation.
fPWM
≈ 0.494 / ( CTR * RTR )
(Hz)
Note 3. Standard for RU,RV,RW is 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
+
CMP
< Block diagram >
LVSD
1.23V
Bottom Arm
OFF
ALL OFF
Note : Inside of bold lone shows ECN30102
PDE-30102-2
Relation No.:IC-SP-01017 R2
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