Datasheet > MP9518

MP9518

更新时间： 2024-09-29 17:01:07

品牌	Logo	应用领域
芯源 - MPS		电机驱动传感器驱动器
页数	文件大小	规格书
14页	600K
描述
集成霍尔传感器的单相、直流无刷电机驱动器

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MP9518 数据手册

MP9518

Single-Phase, BLDC, Motor Driver

with Integrated Hall Sensor

DESCRIPTION

FEATURES



Embedded Hall Sensor with High Sensitivity

Wide 3.3V to 18V Operating Input Range

Up to 1.2A Programmable Current Limit

Integrated Power MOSFETs: Total 850mΩ

(HS + LS)

Automatic Phase Lock Detection of Winding

BEMF and Current Zero-Crossing

Soft On/Off Phase Transition

Rotational Speed Indicator FG Signal

12kHz to 48kHz PWM Input Frequency

Range

Fixed 26kHz Output Switching Frequency

Input Line Reverse-Voltage Protection (RVP)

Rotor Deadlocked Protection and Automatic

Recovery

The MP9518 is a single-phase, brushless, DC

motor driver with integrated power MOSFETs

and a hall-effect sensor. The MP9518 drives

single-phase, brushless, DC fan motors with up

to 1.2A of output current limit. The IC has a

3.3V to 18V input voltage range and input line

reverse-voltage protection to save the external

diode on the supply line.



The MP9518 controls the rotational speed

through the PWM signal on the PWM pin. The

MP9518 has a rotational speed detector feature

and rotor lock fault indication on FG/RD with an

open-drain collector output. The output speed

versus the input duty curve can be programmed

easily for flexible use. To reduce fan driver

audible noise and power loss, the MP9518

features a soft on/off phase transition and

automatic phase-lock function of the motor

winding BEMF and current.



Thermal Protection and Automatic Recovery

Built-In Input OVP, UVLO, and Automatic

Recovery



Available in a TSOT23-6 Package

APPLICATIONS



Full protection features include input over-

voltage protection (OVP), under-voltage lockout

(UVLO), rotor deadlocked protection, thermal

shutdown, and input reverse protection.

CPU Fan for Personal Computers or

Servers

Brushless DC Motors



All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. For

MPS green status, please visit the MPS website under Quality

Assurance. “MPS” and “The Future of Analog IC Technology” are registered

trademarks of Monolithic Power Systems, Inc.

The MP9518 requires a minimal number of

external components to save solution cost. The

MP9518 is available in a TSOT23-6 package.

TYPICAL APPLICATION

OUT1

GND

VCC

Motor

OUT2

FG/RD PWM

MP9518 Rev.1.0

7/24/2017

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...14

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