ST Life.augmented


アプリケーションの安全性の強化には、電流の正確な検出が重要になります。  規定された範囲内に電流を制御することによってオーバーヒートを防止し、短絡を回避します。 電流の測定もエネルギー計測に不可欠な部分です。

  • 最大70Vまでのライン監視
  • 設計期間の短縮とBOM削減のための高集積ソリューション(出力への EMIフィルタ内蔵など)
  • 外部プロテクションを必要としない堅牢なデバイス
  • オートモーティブ・グレード認証を受けた電流センス・アンプ
Current sensing

CS70 delivers turn-key solution

The CS70, high-side current sense amplifier deliver a direct measurement of the current flowing through a high-side shunt resistor. A voltage drop as low as 50mV on the shunt is measured with an accuracy better than 2.5%. The common mode voltage and the CS70 supply voltage are fully independent, providing the possibility to measure a current on a line from 2.9 up to 70V, and in the same time to supply the CS70 with the same voltage than the microcontroller.

The pins connected to power lines are rugged against voltage surges and electrostatic discharges. The amplification gain value can be changed on-the-fly by 2 selection pins from 20 to 100. All these features makes the CS70 the ideal device to provide current measurement information to low voltage microcontrollers in digital power conversion applications, such as wireless charging base, also known as induction charging.

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