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Description | Table 6.1 Pin description Pin Name Description External PWM input pin 1 SIG ”H” active 2 OSC_R Internal OSC frequency setting by Rext. fosc=4MHz at Rext=39.0kΩ 3 Vcc5 Internal 5Vreg. output (current capacity 10mA(max)) 4 VDD Input of internal logic power supply (5V typ.) 5 OUT_FG Sensorless operation monitoring output Lead angle setting input 6 SW_LA ・SW_LA=L:Lead angle 7.5° ... |
Features |
• 120 degrees square wave drive sensorless operation • Motor speed is controlled by external PWM input signal • Pre-driver for external Pch/Nch MOSFET (3 phase drive by 6 pre-driver output signal) • Selectable lead angle setting • Built-in 8bit ADC to detect over/under operating voltage • Built-in 1ch comparator to detect EMF zero cross point for m... |
Datasheet |
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