This verified design can accurately measure current, voltage and power on a bus that carries -48V and is able to provide this data using an I²C compatible interface. This design is targeted for Telecom applications because the most common Telecom equipment’s are fed with this negative supply voltage. It uses INA226 and ISO1541. The INA226 is a current shunt and power monitor with an I²C compatible interface. This device will precisely take these measurements and will use ISO1541 to translate the negative voltage to ground referenced signals. The ISO1541 is a low-power, bidirectional I²C compatible isolator.
- 10µV Offset (Max)
- 0.1% Gain Error (Max)
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 | –48-V Telecom Current, Voltage, and Power Sense With Isolation Reference Design (Rev. A) | 2017/9/28 |