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LM621 brushless DC motor commutation circuit-three-phase half-wave drive circuit
Source: InternetPublisher:三月小雨 Keywords: Brushless DC motor drive circuit grounding Updated: 2021/06/14
When LM 621 is used for three-phase half-transition drive (see Figure 3-37), pin 8 is grounded , and
pins 14, 15, and 16 are left empty.
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