Datasheet > MP6652A

MP6652A

更新时间： 2024-09-28 17:01:39

品牌	Logo	应用领域
芯源 - MPS		电机驱动风扇传感器
页数	文件大小	规格书
24页	1197K
描述
内置霍尔传感器和MOSFET 的 18V 单相直流无刷电机（BLDC ）风扇驱动芯片

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MP6652A 数据手册

MP6652A

18V, Single-Phase BLDC Fan Driver with

Embeded Hall Sensor and MOSFETs

DESCRIPTION

FEATURES



On-Chip Hall Sensor

Wide 3V to 18V Operating Input Voltage

(V_IN) Range

Up to 1A Peak Current Limit

Integrated Power MOSFETs: Total 850mΩ

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

Side MOSFET (LS-FET)

Configurable Speed Curve

1kHz to 100kHz PWM Input Frequency

Range

Soft-On/Off Phase Commutation

Configurable Output Indictation on FG/RD:

o Rotational Speed Indicator (FG)

o Locked Rotor Protection Fault (RD)

Fixed 27kHz Output Switching Frequency

(f_SW)

Configurable Speed Reference Soft-Start

Time

1x, 0.5x, or 2x Original FG Frequency

Output

The MP6652A is a single-phase brushless DC

(BLDC) fan driver with integrated power

MOSFETs and a Hall-effect sensor. It supports

up to 1A of peak current across a wide 3V to

18V input voltage (V_IN) range.



The fan speed is controlled by a pulse-width

modulation (PWM) signal applied on the PWM

pin. The MP6652A’s configurable speed curve

makes this device well-suited for cooling fan

applications that require flexible speed curve

control.



The FG/RD pin is an open-drain output that can

be configured for speed detection (FG) or

locked rotor protection (RD). The FG/RD pin

must be pulled up externally.



Rich protections are implemented for robust

operation. These protections include input over-

voltage protection (OVP), under-voltage lockout

(UVLO), locked rotor protection, thermal

shutdown, and over-current protection (OCP).



Recoverable Locked Rotor Protection

Recoverable Thermal Protection

Recoverable Input Over-Voltage Protection

(OVP)

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

Packages

The MP6652A is available in a TSOT23-6-SL

and a TSOT23-6-R packages.



APPLICATIONS



Cooling Fans

GPU Cooling Fans

CPU Fans for Personal Computers or

Servers



Other Brushless 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.

MP6652A Rev. 1.0

6/24/2022

MonolithicPower.com

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

12 3 4 5 6 7...24

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