LB11847 Datasheet, PDF (9/15 Pages) Sanyo Semicon Device – PWM Current Control Type Stepping Motor Driver

LB11847
SLOW DECAY current path
Regenerative current during upper-side transistor switching operation
Current path at output ON
Regenerative circuit
when upper-side transistor is OFF
OUT _A
ON
Constant
ON
OFF
VBB
SBD
SBD
OUT _A
Sensing voltage comparator
Re
Current path in FAST DECAY mode
Current path at output ON
Current path in FAST DECAY mode
OUT _A
ON
OFF
SBD
ON
OFF
SBD ^OUTA
VBB
Sensing voltage comparator
Re
No.6183-9/15