ECN3022

P1/9 HIGH-VOLTAGE MONOLITHIC IC ECN3022 ECN3022 is a single chip three-phase bridge inverter IC which has 6 IGBTs in the circuit. Especially, it is very suitable for controlling the speed of 3-phase DC brushless motors to which converted AC200∼230V power supplies are applied. Fig. 1 shows the internal block diagram. Functions ∗ Integrated charge pump circuit ∗ Integrated free wheel diodes ∗ Integrated PWM circuit ∗ Integrated FG circuit ∗ Integrated over current protection circuit ∗ Integrated rotating direction monitor circuit ∗ All output IGBTs shut off function Features ∗ Speed control for a 3-phase DC brushless motor is available with an external microprocessor. ∗ Bottom arm circuits can be operated in 20kHz chopping frequency of PWM. ∗ For converted AC200 to 230V power supplies. RU D2 VCC(15V) C0 CB HU VB VB supply Clock HV HW C+ RV RW D1 + C1 CL VS1 VS2 VS C2 + C- VCC Charge Pump FG FG DM Rotating Directio M Top Arm Driver 3-Phase Distributor Bottom Arm Driver LVSD Clock Hall ICs MU MV MW Microprocessor Analog output VSP Comparator CMP + 1.23V + CMP - Motor SAW wave Generator Over Current Sense + Vref 0.5V RS GH1 GH2 CR RTR CTR VTR GL RS Fig. 1 Block diagram www.DataSheet4U.com PDE-3022-1 www.DataSheet4U.com www.DataSheet4U.com P2/9 ECN3022 1. General (1) Type (2) Application (3) Structure (4) Package ECN3022SP, ECN3022SPV, ECN3022SPR 3-phase DC Brushless Motor Monolithic IC SP-23TA, SP-23TB, SP-23TR 2. Maximum Allowable Ratings (Ta=25°C) ...