Motor Drivers, Stepper | NCV70628

LIN マイクロステップ・モータ・ドライバ 800mA

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Overview

NCV70628 はシングルチップのマイクロステップ・モータ・ドライバで、ポジション・コントローラと制御/診断インタフェースを備えています。LIN マスタとリモートで接続される専用のメカトロニクス ソリューションを構築できるようになっています。 ポジショニング命令をバス経由で受信し次第、モータ・コイルを目的の位置に向けて駆動します。このオンチップ・ポジション・コントローラは、速度、加減速に関するさまざまなモータ・タイプ、ポジショニング範囲およびパラメータの構成が可能 (OTP または RAM) です。NCV70628 は LIN バス上でスレーブとして動作し、マスタは個々のスレーブ・ノードから実際のポジションやエラー・フラグなど特定のステータス情報を取り出すことができます。統合センサレス・ステップロス検出機能により、 ポジショナが脱調するのを防止し、ストール時にモータを停止させます。これによりリファレンス・ラン時に静音で正確なポジション・キャリブレーションが可能になり、機械的な端部停止に近づくときにセミクローズド・ループ操作ができるようになります。このチップは I3T50 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。NCV70628 は車載用電圧要件に完全に適合しています。そのテクノロジにより、バッテリ電源が変動するアプリケーションでの使用に特に適しています。

  • Automotive
  • Surveillance
  • Building automation
  • Distribution
  • Machine tools
  • Experiment automation, pipette control
  • Entertainment

  • HVAC and headlamp leveling and bending actuators
  • Camera positioning
  • HVAC, air-duct valves, radiator water-flow valves, green-house thermal management, venetian blinds
  • Robots, inspection tools, assembly, testing tools, dispensers, valves, pumps, feeders, printers
  • Vending machines, sorting machines, warehouse automation
  • Micro-dosing pumps
  • Slot machines, event lighting, television satellite dish, toys, android robot

  • Low temperature boost current up to 1100 mA
  • Programmable current stabilization phase
  • Enhanced Under Voltage Management
  • Sensorless step-loss detection
  • Automatic selection of fast and slow decay mode
  • No external flyback diodes required
  • Configurable speeds and acceleration
  • Field programmable node addresses
  • Dynamically allocated identifiers
  • Both physical and data-link layers (conform to LIN rev. 2.2)
  • LIN bus short circuit protection to supply and ground
  • High temp warning and management
  • Lost LIN safe operation
  • Micro-stepping technology
  • Peak current up to 800 mA
  • Fixed frequency PWM current control
  • Automatic selection of fast and slow decay mode
  • No external flyback diodes required
  • Compliant with 14 V automotive systems and industrial systems up to 24 V
  • Motion qualification mode
  • This is a Pb-free device

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Reference Price

NCV70628MW001R2G

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Active

CAD Model

Pb

A

H

P

QFNW-32

484AB

1

260

REEL

5000

Y

5.5

29

5.5

29

0.8

1.1

1/16

LIN

Fully Integrated

UVLO

$2.7628

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信頼性データ

Die Related Summary Data

Device: NCV70628MW001R2G

Equivalent to wafer fab process: I3T

製品技術

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等価デバイス時間

MTBF/MTTF (時間)

FITS

I3T

4

4350769675

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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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