LM621 Datasheet - National Semiconductor

LM621, LM621 Brushless Motor Commutator

LM621 Brushless Motor Commutator August 1992 LM621 Brushless Motor Commutator General .
The LM621 is a bipolar IC designed for commutation of brushless DC motors The part is compatible with both three- and four-phase motors It can directl.

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Datasheet Details

Part number:

LM621

Manufacturer:

National Semiconductor

File Size:

224.72 KB

Description:

LM621 Brushless Motor Commutator

Features

* Y Y Y Y Y Adjustable dead-time feature eliminates current spiking On-chip clock oscillator for dead-time feature Outputs drive bipolar power devices (up to 35 mA base current) or MOSFET power devices Compatible with three- and four-phase motors Bipolar drive to delta- or Y-wound motors Unipolar d

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