LB1973M View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

LB1973M

Two-channel H-Bridge Driver

SANYO -> Panasonic 

Timing Chart

(1) Stepper motor timing chart

Timing chart for 2-phase drive

IN1

IN2

IN3

IN4

LB1973M

Channel 1

output mode

Channel 2

output mode

Standby Forward

Reverse

Forward Reverse Forward

Standby

Standby

Forward

Reverse

Forward

Reverse Forward Standby

(2) Timing chart for 1-2 phase drive (Fastdecay mode)

IN1

IN2

IN3

IN4

Channel 1

output mode

Channel 2

output mode

Standby Forward OFF

Reverse

OFF

Forward

Standby

Standby

Forward

OFF

Reverse

OFF Forward Standby

No.A1450-4/5

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