AM8931 - 3-Phase Sensor-less Fan Motor Driver

Product Overview

AMtek

Datasheet Details

Part number	AM8931
Manufacturer	AMtek
File Size	340.28 KB
Description	3-Phase Sensor-less Fan Motor Driver
Datasheet	AM8931 Datasheet
Additional preview pages of the AM8931 datasheet.

Product details

Description

PIN No Pin Name Function PIN No Pin Name Function 1 CSOFT Soft start time setting terminal 8 2 F/R Forward and Reverse control terminal 9 3 VREG Regulator voltage output terminal 10 4 VCC Power supply terminal 11 5 COM Motor center tap voltage input terminal 12 6 U U phase output terminal 13 7 RNF output current detection terminal 14 E-pad PG Power ground terminal W V GND OSC PWM FG RD W phase output terminal V phase output terminal Ground terminal Start-up frequency ou

Features

s 1) Operation voltage 3.3 to 15V 2) Direct PWM speed control 3) Built-in FG & RD 4) Soft start function 5) Forward and Reverse control 6) Lock detection/Automatic restart function.
Absolute Maximum Ratings (Ta = 25℃) 7) Over current limiter 8) Over-voltage protection 9) Thermal shutdown protection 10) Soft switching technique to reduce acoustic noise Parameter Symbol Limits Unit Supply voltage VREG strength voltage Output current VCC 16 V VREG 6 V Io 1000 mA FG & RD output.

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Published: Apr 10, 2025 |