AM8919 datasheet(3/12 Pages) AMTEK

Part #	AM8919

Description	3-phase Sensor-less Fan Motor Driver

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	AMTEK [AMtek SEMICONDUCTORS CO., LTD]

Direct Link	http://www.amtek-semi.com

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3 / 12 page

AM8919

Motor Driver ICs

http://www.amtek-semi.com

JJu

ull.. 2

4 V

1..1

Specifications subject to change without notice

- 3 -

 Block Diagram

Fig.1 Block diagram

 Pin Description

PIN No Pin Name

Function

PIN No Pin Name

Function

CSOFT Soft start time setting terminal

No connection

F/R

Forward and Reverse control terminal

W phase output terminal

VREG

Regulator voltage output terminal

V phase output terminal

VCC

Power supply terminal

No connection

Output supply terminal

GND

Ground terminal

COM

Motor center tap voltage input terminal

OSC

Start-up frequency output terminal

U phase output terminal

PWM

PWM signal input terminal

No connection

FG signal output terminal

RNF

output current detection terminal

RD signal output terminal

E-pad

Power ground terminal

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