LB11922_08 Datasheet, PDF (7/15 Pages) Sanyo Semicon Device – For OA Products Three-Phase Brushless Motor Driver

Pin Functions
Pin No. Pin name
Function
1
VREG 7V shunt regulator output.
LB11922
Equivalent circuit
1
VCC
2
S/S
Start/stop control.
Low : 0 to 1.0V
High : 2.0V to VCC
Goes high when left open.
Low for start.
High or open for stop.
The hysteresis is about 0.22V.
3
F/R
Forward/reverse control.
Low : 0 to 1.0V
High : 2.0V to VCC
Goes high when left open.
Low for forward.
High or open for reverse.
The hysteresis is about 0.22V.
4
BR
Brake control (short braking operation).
Low : 0 to 1.0V
High : 2.0V to VCC
Goes high when left open.
High or open for brake mode operation.
The hysteresis is about 0.22V.
5
N
Speed discriminator count switching.
Low : 0 to 1.0V
High : 2.0V to VCC
Goes high when left open.
The hysteresis is about 0.22V.
VCC
VCC
VCC
VCC
3.5kΩ
2
3.5kΩ
3
3.5kΩ
4
3.5kΩ
5
Continued on next page.
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