Motor Drivers, Stepper | AMIS-30421

电机预驱动器，微步进步进电机，带电机桥控制

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概览

AMIS30421 是一款微步步进电机桥式控制器，适合大电流双极应用。芯片通过 SPI 接口接入，带外部控制器，以便控制两个外电源 NMOS H 桥。它具有片上稳压器、电流传感自适应 PWM 控制器和带智能斜率控制开关的预驱动器，使零部件 EMC 符合工业和汽车应用。它采用专属 PWM 算法来实现可靠的电流控制。

  • High current bipolar stepper motors

  • Textile equipment
  • High power actuators
  • Industrial and manufacturing equipment

  • 8 step modes from full step to 64 micro steps
  • Programmable slope control

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AMIS30421C4211RG

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Obsolete

CAD Model

Pb

A

H

P

QFN-44

485BY

3

260

REEL

2500

N

6

40

-

-

10

10

1/64

SPI

External Resistor

UVLO

Price N/A

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可靠性数据

Die Related Summary Data

Device: AMIS30421C4211RG

Equivalent to wafer fab process: CMOS SUB

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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

CMOS SUB

2

920154574

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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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