LB1971V datasheet(8/9 Pages) SANYO

tên linh kiện	LB1971V

Giải thích chi tiết về linh kiện	Three-Phase Full-Wave Sensorless CD and MD Players Spindle Motor Driver

PDF	9 Pages

Scroll/Zoom	100%

nhà sản xuất	SANYO [Sanyo Semicon Device]

Trang chủ	https://www.sanyo-av.com/us/

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8 / 9 page

No. 6214-8/9

LB1971V

Pin No.

Symbol

Pin voltage

Function

Equivalent circuit

Continued on next page.

DET

• Drive waveform sink side envelope

detection

Nothing connected to this pin in normal

operation.

CSLP1

CSLP2

VCC1

1 k

Ω

11 12

• Connection for the capacitor used for

triangular wave generation

The soft switching operation of the coil

output waveform is created using this

triangular waveform.

• Unused

• Clock oscillator used by the sensorless

logic

Connect a capacitor between the CX pin

and ground.

Oscillator frequency must be set up to

60 kHz.

Continued from preceding page.

• Frequency characteristics determination

Closed loop oscillation of the current

control system can be stopped by

connecting a capacitor between this pin

and ground.

1 k

Ω

VCC1

GND

•Ground

VCC1

1 k

Ω

30 k

Ω

1 k

Ω

1 k

Ω

1 k

Ω

VCC1

2 k

Ω

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