Motor Drivers, Brushless | MC33033

无刷直流电机控制器，三相

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概览

MC33033 是一款高性能的第二代、功能受限的单片无刷直流电机控制器，从 MC33034 和 MC33035 控制器发展而来。它包含了开环、三相或四相电机控制实施所需的所有有效功能。该器件包括用于正确换向顺序的转子位置解码器、能够为传感器供电的温度补偿参考、频率可编程的锯齿波振荡器、完全可访问误差放大器、脉宽调制比较器、三个开路收集器顶部驱动器，以及三个高电流图腾柱底部驱动器，适用于驱动功率 MOSFET。与前代器件不同，它没有单独的驱动电路电源和接地引脚、制动输入或故障输出信号。MC33033 中包含了保护功能，有欠压锁定、按周期电流限制且带有可选择时间延迟的关断模式，以及内部高温关断。典型电机控制功能包括开环速度、正向或反向以及运行启用。MC33033 适用于运行电子传感器相位为 60°/300° 或 120°/240° 的无刷电机，还可高效控制电刷直流电机。

  • Automotive

  • 10 to 30 V Operation
  • Undervoltage Lockout
  • 6.25 V Reference Capable of Supplying Sensor Power
  • Fully Accessible Error Amplifier for Closed Loop Servo Applications
  • High Current Drivers Can Control External 3-Phase MOSFET Bridge
  • Cycle-By-Cycle Current Limiting
  • Internal Thermal Shutdown
  • Selectable 60° /300° or 120° /240° Sensor Phasings
  • Also Efficiently Control Brush DC Motors with External MOSFET H-Bridge

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MC33033DWG

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Obsolete

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

TUBE

38

N

3

10

40

10

30

0.1

0.1

DC

Price N/A

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MC33033DWR2G

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Last Shipments

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

REEL

1000

N

3

10

40

10

30

0.1

0.1

DC

Price N/A

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MC33033PG

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Obsolete

CAD Model

Pb

A

H

P

PDIP-20

738-03

NA

0

TUBE

18

N

3

10

40

10

30

0.1

0.1

DC

Price N/A

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可靠性数据

Die Related Summary Data

Device: MC33033DWR2G

Equivalent to wafer fab process: BP STD LINEAR

产品技术

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

BP STD LINEAR

10

12120914040

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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