PWM control of upper and bottom arm IGBTs are possible with an outer Microprocessor.
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 PWM control of top and bottom arm IGBTs are possible. Db Db Db Rb Bw VCC Vcc C
0
Cb Cb Cb Vs Bv Bu Vs1 Vs2
CB UT VT WT
VB Supply
VB
Top Arm Driver
Motor
Mu Mv
Control IC Microprocessor
Input b.
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P1/9
HIGH-VOLTAGE MONOLITHIC IC
ECN3067
ECN3067 is monolithic IC integrating 6 IGBTs. It can be applied to DC brushless motors and Induction motors. Functions • Free Wheeling Diodes are integrated • Overcurrent Protection Circuit is integrated • Undervoltage Detection Circuit is integrated Features • PWM control of upper and bottom arm IGBTs are possible with an outer Microprocessor. • 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 PWM control of top and bottom arm IGBTs are possible.
ECN3067 Datasheet
