lb1973m ON Semiconductor, lb1973m Datasheet - Page 4

• Manufacturer Part Number: lb1973m
• Description: Bi-cmos Lsi Two-channel H-bridge Driver
• Manufacturer: ON Semiconductor

Timing Chart
(2) Timing chart for 1-2 phase drive (Fastdecay mode)
(1) Stepper motor timing chart
Timing chart for 2-phase drive
IN1
I I N2
IN3
IN4
Channel 1
output mode
Channel 2
output mode
IN1
I I N2
IN3
IN4
Channel 1
output mode
Channel 2
output mode
Standby
Standby
Standby
Standby
Forward
Rev. 0 | Page 4 of 5 | www.onsemi.com
Forward
Forward
Forward
OFF
Reverse
LB1973M
Reverse
Reverse
OFF
Forward
Forward
Reverse
OFF
Reverse
Reverse
Forward
OFF
Forward
Forward
Forward
Standby
Standby
Standby
Standby