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LB1978 Folha de dados(PDF) 8 Page - Sanyo Semicon Device

Nome de Peças LB1978
Descrição Electrónicos  Three-Phase Half-Wave Sensorless Motor Driver for Headphone Stereos
Download  9 Pages
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Fabricante Electrônico  SANYO [Sanyo Semicon Device]
Página de início  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB1978 Folha de dados(HTML) 8 Page - Sanyo Semicon Device

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LB1978V
No. 6186-8/9
Pin number
23
24
25
26
27
28
29
30
Continued from preceding page
Pin name
U1
V1
W1
F/S
DR
S/S
Vref
Vcc
Equivalent circuit
Pin function
U1, V1, and W1 are pins for connection to
high-speed motor coils.
High-speed/low-speed mode select pin.
Vcc –1.0V or lower: high-speed (fast)
Vcc –0.3V or higher: low-speed (slow)
Rotation direction select pin.
Vcc –0.3V or higher: phase sequence
U -> V -> W
Vcc –1.0V or lower: phase sequence
U -> W -> V
Start/stop pin.
0.9V or higher: Start
High active.
Reference voltage pin.
Reference voltage is 0.75V.
Power supply pin.
Vcc
PGND
23
24
25
22
Vcc
SGND
26
Vcc
SGND
27
Vcc
SGND
28
Vcc
SGND
50
µA
29


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