INTEGRATED CIRCUITS DATA SHEET TDA5143T Brushless DC motor drive circuit Product specification Supersedes data of March 1992 File under Integrated Circuits, IC11 June 1994 Philips Semiconductors Philips Semiconductors Product specification Brushless DC motor drive circuit FEATURES • Full-wave commutation (using push/pull drivers at the output stages) without position sensors • Built-in start-up circuitry • Three push-pull outputs: – output current 0.
85 A (typ.
) – low saturation voltage – built-in current limiter – soft-switching outputs for low Electromagnetic Interference (EMI) • Thermal protection • Flyback diodes • Tacho output without extra sensor • Transconductance amplifier for an ...

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