Datasheet TC78B041FNG, TC78B042FTG (Toshiba) - 33
| Manufacturer | Toshiba |
| Description | Sinewave PWM brushless motor control / Auto lead angle function. Brushless motor driver IC |
| Pages / Page | 44 / 33 — (1) Sine-wave drive timing chart: Forward rotation, Non inverted hall … |
| File Format / Size | PDF / 585 Kb |
| Document Language | English |
(1) Sine-wave drive timing chart: Forward rotation, Non inverted hall signal input, Lead angle=0°
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TC78B041FNG/TC78B042FTG
(1) Sine-wave drive timing chart: Forward rotation, Non inverted hall signal input, Lead angle=0° (CWCCW = Low, FGC = GND)
(Non inverted hall signal input) HUM HUP HVM HVP HWP HWM Back-EMF V phase U phase W phase 0 < Hall signal input frequency < 1 Hz (120° commutation) UH VH WH UL VL WL FG 1 Hz ≤Hall signal input frequency (180°commutation: Modulated waveforms in the IC) Su Sv Sw FG Note: When the Hall signal input frequency is 1 Hz or more (Condition: fosc = 9.22 MHz), lead angle control is activated. The above timing chart is simplified to illustrate the function and behavior of the device. 33 2018-11-27
(1) Sine-wave drive timing chart: Forward rotation, Non inverted hall signal input, Lead angle=0° (CWCCW = Low, FGC = GND)
(Non inverted hall signal input) HUM HUP HVM HVP HWP HWM Back-EMF V phase U phase W phase 0 < Hall signal input frequency < 1 Hz (120° commutation) UH VH WH UL VL WL FG 1 Hz ≤Hall signal input frequency (180°commutation: Modulated waveforms in the IC) Su Sv Sw FG Note: When the Hall signal input frequency is 1 Hz or more (Condition: fosc = 9.22 MHz), lead angle control is activated. The above timing chart is simplified to illustrate the function and behavior of the device. 33 2018-11-27