AM9800GSTR-G1 datasheet(1/11 Pages) DIODES

No. de pieza	AM9800GSTR-G1

Descripción Electrónicos	Three Phase Direct PWM Sensorless Motor Driver

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Fabricante Electrónico	DIODES [Diodes Incorporated]

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Data Sheet

Three Phase Direct PWM Sensorless Motor Driver

AM9800

Sep. 2012 Rev. 1. 0

BCD Semiconductor Manufacturing Limited

1

General Description

The AM9800 is a direct PWM driver IC designed for

three-phase brushless motors. Also, by using highly

silent PWM drive, switching current of the phase

with a smooth slope reduces the sound of slewing

motor, and makes high-efficiency drive a reality by a

synchronous commutation.

The device is build-in lock protection. When the fan

is locked, the device will enter the lockup protection

mode. It is also equipped with thermal shutdown

function and forward or reverse rotation selection. In

normal operation, supply current is less than 2mA,

but in PWM=0 mode it is just around 20

µA.

The AM9800 is available in SSOP-16 package.

Features

•

Speed Controllable by PWM Input Signal

•

Sensorless Drive

•

Soft Switched Drive

•

Build-in Forward/Reverse Switching Circuit

•

Power Saving Function in a Stopped State: 2mA

and PWM=0 State: 20

µA

•

Build-in Current Limiter Circuit

•

Build-in Lock Protection and Auto-restart

•

Built-in Over Current Protection

•

Built-in Thermal Shutdown Circuit

•

ESD Rating: 4000V (Human Body Model)

300V (Machine Model)

Applications

•

CPU Cooler Fan in Notebook Personal

Computers

Figure 1. Package Type of AM9800

SSOP-16

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AM9800GSTR-G1 Datasheet(PDF) 1 Page - Diodes Incorporated

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