KA2822DTF Просмотр технического описания (PDF) - Fairchild Semiconductor

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KA2822DTF

3-Phase BLDC Motor Driver

Fairchild Semiconductor 

KA2822D

3-Phase BLDC Motor Driver

www.fairchildsemi.com

Features

• 3-phase, full-wave, linear BLDC motor driver

with 2 hall sensors

• Built-in soft switching drive circuit

• 300 or 360 RPM speed control

• Snubberless

• Built-in chip enable function

• Built-in digital speed control circuit

• Built-in current limit circuit

• Index sensorless

• Built-in TSD (Thermal shutdown)

• Low saturation voltage

• Digital input: TTL, 5V CMOS compatible

• Built-in current-mode control circuit (IPEAK: 1A)

Description

The KA2822D is a monolithic integrated circuit, and suit-

able for the three-phase spindle motor driver of FDD system.

28-SSOPH-375

Typical Application

• 3.5-inch floppy disk drive (FDD) spildle motor

• Other 3-phase BLDC motor

Ordering Information

Device

Package

KA2822D 28-SSOPH-375

KA2822DTF 28-SSOPH-375

KA2822BD 28-SSOPH-375

KA2822BDTF 28-SSOPH-375

Operating Temp.

0 ~ 75°C

0 ~ 75°C

0 ~ 75°C

0 ~ 75°C

©2000 Fairchild Semiconductor International

1

Rev. 1.0.1

May. 2000.

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