LM621

LM621 Brushless Motor Commutator

National Semiconductor

LM621 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

LM621 General Description

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 directly drive the power switching devices used to drive the motor The LM621 provides an adjustable dead-time circuit to eliminate ‘‘shootthrough’’ current s.

LM621 Datasheet (224.72 KB)

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Datasheet Details

Part number:

LM621

Manufacturer:

National Semiconductor

File Size:

224.72 KB

Description:

Lm621 brushless motor commutator.

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LM621 LM621 Brushless Motor Commutator National Semiconductor

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LM621 Features

LM621 General Description

Datasheet Details

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