Datasheet > MP6654

MP6654

更新时间： 2024-04-09 19:03:23

品牌	Logo	应用领域
芯源 - MPS		驱动风扇传感器驱动器
页数	文件大小	规格书
24页	605K
描述
集成霍尔传感器的18V单相、ESD 增强型直流无刷（BLDC）风扇驱动器

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MP6654 数据手册

MP6654

18V, Single-Phase, ESD-Enhanced,

BLDC Fan Driver with Integrated Hall Sensor

DESCRIPTION

FEATURES

•

On-Chip Hall Sensor

Wide 3V to 18V Operating Input Voltage

(V_IN) Range

The MP6654 is a single-phase brushless DC

(BLDC) fan driver with integrated power

MOSFETs and a Hall-effect sensor. It can

achieve up to 1A of peak current (I_PEAK) across

a wide 3V to 18V input voltage (V_IN) range.

•

Up to 1A Peak Current (I_PEAK)

Integrated Power MOSFETs: Total 850mΩ

High-Side MOSFET (HS-FET) and Low-

Side MOSFET (LS-FET)

The MP6654 controls the rotational speed

through the pulse-width modulation (PWM)

signal on the PWM pin. The device features a

built-in, configurable curve speed function that

is ideal for cooling fan applications, which

require flexible speed curve control.

•

Configurable Speed Curve

Rotational Speed Indicator FG Signal

Rotor Lock Protection Fault Indication

1kHz to 100kHz Pulse-Width Modulation

(PWM) Input Frequency Range

Configurable Soft On/Off Commutation

27kHz Fixed Output Switching Frequency

(f_SW)

•

The MP6654 provides rotational speed

detection. The rotational speed detector (the

FG/RD pin) is an open-drain output. It outputs a

high or low voltage relative to the internal Hall

comparator’s output. Higher speeds produce

higher frequency signals.

•

Configurable Soft Start (SS)

Rotor Lock Protection with Auto-Recovery

FG Outputs 0.5x, 1x, or 2x Original Hall

Frequency

Full protection features include input over-

voltage protection (OVP), under-voltage lockout

(UVLO) protection, over-current protection

(OCP), locked rotor protection, and thermal

shutdown.

•

Thermal Protection with Auto-Recovery

Built-In Input Over-Voltage Protection (OVP)

with Auto-Recovery

Available in TSOT23-6-SL and TSOT23-6-R

Packages

•

The MP6654 is available in TSOT23-6-SL and

TSOT23-6-R packages.

APPLICATIONS

•

CPU Fans for Personal Computers or

Servers

•

Cooling Fans

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”, the MPS logo, and “Simple, Easy Solutions” are

trademarks of Monolithic Power Systems, Inc. or its subsidiaries.

TYPICAL APPLICATION

GND

OUT1

Fan

MP6654

VCC

OUT2

3V to 18V

FG/RD

PWM

MP6654 Rev. 1.0

2/25/2022

MonolithicPower.com

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

12 3 4 5 6 7...24

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