PWM control of upper and bottom arm IGBTs are possible by controlling outer Microproc essor.
6 Logic inputs are compatible with 5V CMOS or LSTTL outputs.
Upper and Bottom arm IGBTs can operate in 20kHz chopping frequency.
For converted AC200 to 230 V power supplies
VCC(15V) D1 + C1 CCL VS1 VS2 VS
D2 C2 + CB VCC VB supply VB C+
C0
Charge Pump
UT VT WT Clock
Top Arm Driver
Motor
MU MV MW
Microprocessor
UB VB WB
Bottom Arm Driver
CLOCK
Pulse Generator
Latch
R S
+
Fi.
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HIGH-VOLTAGE MONOLITHIC IC
ECN3064
ECN3064 is monolithic IC integrating 6 IGBTs. It can be applied to DC brushless motors and Induction motors. Functions * Integrated charge pump circuit * Free Wheeling Diodes are integrated * Overcurrent Protection circuit is integrated Features * PWM control of upper and bottom arm IGBTs are possible by controlling outer Microproc essor * 6 Logic inputs are compatible with 5V CMOS or LSTTL outputs * Upper and Bottom arm IGBTs can operate in 20kHz chopping frequency * For converted AC200 to 230 V power supplies
VCC(15V) D1 + C1 CCL VS1 VS2 VS
D2 C2 + CB VCC VB supply VB C+
C0
Charge Pump
UT VT WT Clock
Top Arm Driver
Motor
MU MV MW
Microprocessor
UB VB WB
Bottom Arm Driver
CLOCK
Pulse Generator
Latch
R S
+
Filter 1us
Vref 0.
ECN3064 Datasheet
