ECN3021 - High Voltage Monolithic IC

Hitachi

Datasheet Details

∗ 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. RU D2 VCC(15V) C0 CB HU VB VB supply Clock HV HW C+ RV RW D1 + - VS C2 + - C1 C- CL VS1 VS2 VCC Charge Pump FG FG DM Rotating Direction Monitor Top Arm Driver 3-Phase Distributor Bottom Arm Driver Over Current Sense Clock + Vref 0.5V RS GH1 GH2 Hall ICs MU MV MW Microprocessor Analog output VSP Comparator + CMP -.

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Published: Apr 3, 2006 |