LB11922_08 Datasheet, PDF (8/15 Pages) Sanyo Semicon Device – For OA Products Three-Phase Brushless Motor Driver

LB11922
Continued from preceding page.
Pin No.
6
Pin name
FGS
Function
FG amplifier output (after the Schmitt circuit).
This is an open collector output.
VCC
Equivalent circuit
6
7
LD
Speed lock detection output.
Goes low when the motor speed is within the
speed lock range (±6.25%).
VCC
7
8
DOUT Speed discriminator output.
Acceleration → high, deceleration → low
9
POUT Speed control system PLL output.
Outputs the phase comparison result for
CLK and FG.
VCC
VCC
8
9
10
INT IN Integrating amplifier inverting input.
VCC
500Ω
500Ω
10
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