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PDF ECN3061 Data sheet ( Hoja de datos )
| Número de pieza | ECN3061 | |
| Descripción | High Voltage Monolithic IC | |
| Fabricantes | Renesas Technology | |
| Logotipo |  |
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HIGH-VOLTAGE MONOLITHIC IC
ECN3061
ECN3061 is a one-chip three-phase bridge inverter IC which has 6 IGBTs in the circuit.
Especially, it is very suitable for controlling the speed of three-phase DC brushless motors which are
applied to AC100~110V power supplies.
Functions
l A Charge pump circuit is integrated.
l Free wheeling diodes are integrated.
Package
Features
l It can be controlled by PWM with 6 inputs from an external
microprocessor.
l 6 logic inputs are compatible with 5V CMOS and LSTTL
outputs.
l 6 IGBTs can be operated in 20kHz chopping frequency.
ECN3061SPV
VCC(15V)
Microprocessor
D2
C2
+-
D1
+ C1
-
VS
CB
C+ C-
CL VS1 VS2
VCC
VB supply
VB
Charge Pump
UT Clock
VT Top Arm
WT Driver
UB
VB Bottom Arm
WB Driver
MU
MV
MW
Pulse Generator
Clock
CR VTR GL
RTR
CTR
Vref
GH1 GH1
RS
Motor
Hall ICs
Fig.1 Block Diagram
PDE-3061-0
1 page  
ECN3061
6. Standard Application
No. Component
Recommended Value
Usage
Remark
1 C0
More than 0.22µF
for smoothing VB
The stress voltage is
(VB; internal power supply) 8V.
2 C1,C2
1.0µF ± 20%
for a charge pump
The stress voltage is
VCC.
3 D1,D2
Hitachi DFG1C4(glass mold) for a charge pump
400V/1A
Hitachi DFM1F4(resin mold)
or considerable parts
trr≤100ns
4 CTR
1800 pF ± 5%
for an internal clock
Note 1.
5 RTR
22 kΩ ± 5%
for an internal clock
Note 1.
Note 1. The internal clock frequency is approximately determined by next equation.
At recommended value of CR, the error factor of IC is about 10%.
fclock = -1 / (2C*R*Ln(1-3.5/5.5)) ; Ln is natural logarithm.
= 0.494 / (C*R) (Hz)
VCC(15V)
Microprocessor
D2
C2
+-
D1
+ C1
-
VS
CB
C+ C-
CL VS1 VS2
VCC
VB supply
VB
Charge Pump
UT Clock
VT Upper Arm
WT Driver
UB
VB Lower Arm
WB Driver
MU
MV
MW
Pulse Generator
Clock
CR VTR GL
RTR
CTR
Vref
GH1 GH1
RS
Motor
Hall ICs
PDE-3061-0
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet ECN3061.PDF ] | |
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