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  • MP6517BGJS-0000-Z

  • MP6517BGJS-0000-Z

    DESCRIPTION
    The MP6517B is a single-phase, brushless, DC
    motor drivers with integrated power MOSFETs
    and a Hall effect sensor. The MP6517B drives
    single-phase brushless DC fan motors with up
    to 2A of output current limit. The IC has a 3.3V
    to 16V input voltage range and input line
    reverse voltage protection to save the external
    diode on the supply line.
    The MP6517B controls the rotational speed
    through the PWM signal on the PWM pin. The
    MP6517B has a rotational speed detection
    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
    MP6517B features a soft on/off phase transition
    and automatic phase-lock function of the motor
    winding BEMF and current.
    Full protection features include input overvoltage protection (OVP), under-voltage lockout
    (UVLO), rotor deadlock protection, thermal
    shutdown, and input reverse protection.
    The MP6517B requires a minimal number of
    external components to save solution cost. The
    MP6517B is available in TSOT23-6-L, TSOT23-
    6-R, TSOT23-6-SL, and TSOT23-6-RSL
    packages.

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商品描述

DESCRIPTION
The MP6517B is a single-phase, brushless, DC
motor drivers with integrated power MOSFETs
and a Hall effect sensor. The MP6517B drives
single-phase brushless DC fan motors with up
to 2A of output current limit. The IC has a 3.3V
to 16V input voltage range and input line
reverse voltage protection to save the external
diode on the supply line.
The MP6517B controls the rotational speed
through the PWM signal on the PWM pin. The
MP6517B has a rotational speed detection
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
MP6517B features a soft on/off phase transition
and automatic phase-lock function of the motor
winding BEMF and current.
Full protection features include input overvoltage protection (OVP), under-voltage lockout
(UVLO), rotor deadlock protection, thermal
shutdown, and input reverse protection.
The MP6517B requires a minimal number of
external components to save solution cost. The
MP6517B is available in TSOT23-6-L, TSOT23-
6-R, TSOT23-6-SL, and TSOT23-6-RSL
packages.

FEATURES  Embedded Hall Sensor with High Sensitivity  Wide 3.3V to 16V Operating Input Range  Up to 2A Programmable Current Limit  Integrated Power MOSFETs: Total 850mΩ (HS + LS)  Programmable Speed Curve  Built-In Adjustable Speed Curve Corner Setting  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 Deadlock (RD) Protection and Automatic Recovery  Thermal Protection and Automatic Recovery  Built-In Input OVP, UVLO, and Automatic Recovery  Available in TSOT23-6-L, TSOT23-6-R, TSOT23-6-SL, and TSOT23-6-RSL Packages APPLICATIONS  CPU Fan for Personal Computers or Servers  Brushless DC Motor