LB11948T Datasheet, PDF (5/12 Pages) Sanyo Semicon Device – Monolithic Digital IC PWM Constant Current Control 1-2 Phase Excitation Stepping Motor Driver

Block Diagram
10 µF
VCC
ENABLE1
LB11948T
PHASE1
ENABLE2
PHASE2
Blanking
time
_
+
ST
S-GND
Blanking
time
_
Thermal
shutdown circuit
Rveofeltraegnece
+
OSC
1VREG
30 kΩ
10 kΩ
CR ^VCC VREF2 VREF1
56 kΩ
680 pF
VS1
OUT1
OUT1-
10 µF
Stepping
motor
E1
1Ω
VS2
OUT2
OUT2-
E2
1Ω
P-GND
P-GND
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