TIDA-00316
介接電流輸出霍爾感測器和 CT 與虛擬差動 ADC/MCU 的參考設計
TIDA-00316
概覽
This reference design provides interfacing current output Hall sensors and current transformers to pseudo-differential ADC (standalone and integrated into MCU). Two variants of signal conditioning circuits are designed to measure motor current using bipolar and unipolar supply voltages respectively. Both of the signal conditioning circuits provide current measurement accuracy within ±0.5% for an operating temperature range from -25°C to 75°C.
特點
- On-board current-output Hall sensor to measure nominal current up to 25-A RMS
- Current measurement accuracy of 0.5%
- Common reference for interfacing both CT and current output Hall sensor with pseudo-differential ADC/MCU
- Two different variants to work on unipolar and bipolar supply rails
- Designed to evaluate with Delfino F2837x control card
- Designed to evaluate with external ADC (ADS7253) for interfacing with motor controller
已開發完全組裝的電路板，僅供測試與性能驗證，且為非賣品。
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| 類型 | 標題 | 下載最新的英文版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | 設計指南 | Interfacing Current Output Hall Sensors and CTs Design Guide (Rev. A) | 2015/8/7 |