Datasheet > AM4953MM-G1

AM4953MM-G1

更新时间： 2024-09-21 07:15:43

品牌	Logo	应用领域
BCDSEMI		驱动器风扇电机
页数	文件大小	规格书
16页	446K
描述
BTL Drive Single-phase Full-wave Fan Motor Driver

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AM4953MM-G1 数据手册

Data Sheet

BTL Drive Single-phase Full-wave Fan Motor Driver

AM4953

Features

General Description

•

BTL Output Single-phase Full-wave Linear

The AM4953 is a single-phase BTL output fan motor

driver designed by bipolar process. This IC

features high efficiency, silent operation and includes

lock shutdown and automatic restart functions. When

the motor is under lock condition, the lock

shutdown function turns off the output current. When

the lock condition is removed, the IC will

restart automatically and allow DC fan to run. It is

applied for high reliability and low noise application,

such as personal computers, notebook, car audio,

CPU cooling systems and power supplies in

consumer electronics systems.

Drive (Gain Resistor=1k to 360kΩ, Gain=51dB)

Support Low-voltage Drive and Feature a Wide

Usable Voltage Range (2.2V to 16V)

Low Saturation Output (High Side and Low Side

Saturation Voltage): V_{SAT_TOTAL}=1.2V (typical,

_OUT=300mA)

•

Built-in Lock Protection and Automatic Restart

Circuits

Built-in FG/RD Output

Built-in Hall Sensor Bias (V_HB=1.45V)

Thermal Protection Circuit

Small-sized, High Thermal Capacity Package

•

The AM4953 is available in MSOP-10, SSOP-10,

MSOP-8, SOIC-8 and PSOP-8 packages.

Applications

•

Notebook, Personal Computers

Power Supplies in Consumer Electronics, Car

Audio

•

CPU Cooling Systems

MSOP-10

SSOP-10

MSOP-8

SOIC-8

PSOP-8

Figure 1. Package Types of AM4953

Aug. 2011 Rev. 1. 2

BCD Semiconductor Manufacturing Limited

12 3 4 5 6 7...16

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