Datasheet > AH5798-YG-13

AH5798-YG-13

更新时间： 2022-12-17 01:05:50

品牌	Logo	应用领域
美台 - DIODES		风扇电动机控制电机控制器
页数	文件大小	规格书
11页	195K
描述
SINGLE PHASE HALL EFFECT LATCH SMART FAN MOTOR CONTROLLER

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AH5798-YG-13 数据手册

AH5798

SINGLE PHASE HALL EFFECT LATCH SMART

FAN MOTOR CONTROLLER

Functional Block Diagram

Vdd

Power

Frequency

Generator

Hall

Sensor

Control

Logic

Full Bridge

Driver

Soft Switching

Control

AMP

Lock detect,

Shoutdown and

Automatic re-start

Vss

Operating

Magentic

Ton

Toff

Mechanical lock

Normal spinning

“Re-start spinning”

motor locked detected

motor locked cleared

Notes:

2. In “Normal spinning”, the FG changes its state at each rising edge of O1.

3. When the motor locks with South pole at the Hall element, O2 is kept on “L” and O1 is a clock with Ton/Toff ratio. When motor

locks with North pole at the Hall element, O1 is kept on “L”, O2 is a clock with Ton/Toff ratio.

4. When “Re-start spinning” occurs, the motor speed ramps up to the “Normal Spinning” speed from zero. Speed ramp-up profile

depends on motor characteristics.

3 of 11

www.diodes.com

June 2010

AH5798

Document number: DS32001 Rev. 2 - 2

1 234 5 6 7...11

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