Motor Drivers, Stepper | AMIS-30543

マイクロステップ・モータ・ドライバ

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Overview

AMIS30543 はバイポーラ・ステッパ・モータ用マイクロステップ・ステッパ・モータ・ドライバです。チップは外部マイクロコントローラによって、IO ピンと SPI インタフェース経由で接続されます。周辺デバイスを供給できるオンチップ電圧レギュレータ、リセット出力、ウォッチドッグ・リセットがあります。AMIS30543 には最新のトランスレーションテーブルがあり、NXT 入力ピンのクロック信号とDIR (方向) レジスタや入力ピンのステータスによって次のマイクロステップを取ります。速度/負荷角出力を実現します。これにより、トルクと速度を調整するため、ストール検出アルゴリズムの作成や、負荷角に基づく制御ループが可能になります。電流制御に信頼性を持たせる独自の PWM アルゴリズムを使用しています。AMIS30543 は I2T100 テクノロジで実装され、同じチップ上で高電圧アナログ回路とデジタル機能の両方を有効化しています。車載用電圧要件に完全に適合しています。

  • CNC equipment

  • Industrial manufacturing equipment
  • Textile equipment

  • Programmable peak current up to 3A
  • 128 micro steps
  • Speed and load angle output
  • Programmable PWM voltage slopes
  • Active flyback diodes
  • Integrated power and watchdog support for an external MCU

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VM Min (V)

VM Max (V)

VCC Min (V)

VCC Max (V)

IO Max (A)

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Reference Price

AMIS30543C5431RG

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Last Shipments

CAD Model

Pb

A

H

P

QFN-32

485J

3

260

REEL

2500

N

6

40

4.5

5.5

3

3

1/128

SPI

Fully Integrated

Thermal

Price N/A

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信頼性データ

Die Related Summary Data

Device: AMIS30543C5431RG

Equivalent to wafer fab process: CMOS SUB

製品技術

製品技術

等価デバイス時間

MTBF/MTTF (時間)

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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