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A3931KJP-T Datasheet

  • A3931KJP-T

  • Automotive 3-Phase BLDC Controller and MOSFET Driver

  • 21頁(yè)

  • ALLEGRO   ALLEGRO

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A3930
and
A3931
Automotive 3-Phase BLDC Controller and MOSFET Driver
Features and Benefits
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High current 3-phase gate drive for N-channel MOSFETs
Synchronous rectification
Cross-conduction protection
Charge pump and top-off charge pump for 100% PWM
Integrated commutation decoder logic
Operation over 5.5 to 50 V supply voltage range
Extensive diagnostics output
Provides +5 V Hall sensor power
Low-current sleep mode
Description
The A3930 and A3931 are 3-phase brushless dc (BLDC) motor
controllers for use with N-channel external power MOSFETs.
They incorporate much of the circuitry required to design a
cost effective three-phase motor drive system, and have been
specifically designed for automotive applications.
A key automotive requirement is functionality over a wide
input supply range. A unique charge pump regulator provides
adequate (>10 V) gate drive for battery voltages down to 7 V,
and allows the device to operate with a reduced gate drive at
battery voltages down to 5.5 V. Power dissipation in the charge
pump is minimized by switching from a voltage doubling mode
at low supply voltage to a dropout mode at the nominal running
voltage of 14 V.
A bootstrap capacitor is used to provide the above-battery
supply voltage required for N-channel MOSFETs. An internal
charge pump for the high-side drive allows for dc (100% duty
cycle) operation.
Internal fixed-frequency PWM current control circuitry can
be used to regulate the maximum load current. The peak
load current limit is set by the selection of an input reference
voltage and external sensing resistor. The PWM frequency is
set by a user-selected external RC timing network. For added
flexibility, the PWM input can be used to provide speed and
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Package: 48 Lead LQFP with exposed
thermal pad (suffix JP)
Typical Application
3930-DS
Preliminary Data Sheet
Subject to Change Without Notice
April 6, 2006

A3931KJP-T 產(chǎn)品屬性

  • 250

  • 集成電路 (IC)

  • PMIC - 電機(jī)和風(fēng)扇控制器，驅(qū)動(dòng)器

  • -

  • DC 電機(jī)控制器，無(wú)刷（BLDC），3 相

  • -

  • 1

  • 500mA

  • -

  • 5.5 V ~ 50 V

  • -40°C ~ 150°C

  • 表面貼裝

  • 48-LQFP 裸露焊盤(pán)

  • 48-LQFP 裸露焊盤(pán)（7x7）

  • 托盤(pán)

A3931KJP-T相關(guān)型號(hào)PDF文件下載

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  • 英文版
    Automotive 3-Phase BLDC Controller and MOSFET Driver
    ALLEGRO
  • 英文版
    Automotive 3-Phase BLDC Controller and MOSFET Driver
    ALLEGRO [A...
  • 英文版
    Automotive 3-Phase BLDC Controller and MOSFET Driver
    ALLEGRO
  • 英文版
    Automotive 3-Phase BLDC Controller and MOSFET Driver
    ALLEGRO [A...
  • 英文版
    THREE PHASE POWER MOSFET CONTROLLER
    ALLEGRO
  • 英文版
    THREE PHASE POWER MOSFET CONTROLLER
    ALLEGRO [A...
  • 英文版
    THREE-PHASE POWER MOSFET CONTROLLER
    ALLEGRO
  • 英文版
    THREE-PHASE POWER MOSFET CONTROLLER
    ALLEGRO [A...
  • 英文版
    Automotive Power MOSFET Controller
    Allegro
  • 英文版
    Three-Phase Power MOSFET Controller
    ALLEGRO
  • 英文版
    Three-Phase Power MOSFET Controller
    ALLEGRO [A...
  • 英文版
    3-PHASE POWER MOSFET CONTROLLER
    ALLEGRO
  • 英文版
    3-PHASE POWER MOSFET CONTROLLER
    ALLEGRO [A...
  • 英文版
    暫無(wú)描述
    ALLEGRO
  • 英文版
    THREE PHASE POWER MOSFET CONTROLLER
    ALLEGRO
  • 英文版
    THREE PHASE POWER MOSFET CONTROLLER
    ALLEGRO [A...
  • 英文版
    THREE-PHASE POWER MOSFET CONTROLLER
    ALLEGRO
  • 英文版
    THREE-PHASE POWER MOSFET CONTROLLER
    ALLEGRO [A...
  • 英文版
    3-PHASE POWER MOSFET CONTROLLER
    ALLEGRO
  • 英文版
    3-PHASE POWER MOSFET CONTROLLER
    ALLEGRO [A...

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