TI-INA226-600V单向太阳能智能汇流箱参考设计.docx

TI INA226 600V单向太阳能智能汇流箱参考设计 TI工司的INA226是具有I2C?或SMBUS兼容接口的电流和功率监测器.总线电压检测从0V到36V,工作电压2.7-V到5.5-V,耗电330 μA,高边或低边检测,主要用在服务器,通信设备,计算机,电源和电源管理,电池充电器和测试设备.本文介绍了INA226主要特性,框图和应用电路,以及600V单向电压/电流/功率监测太阳能智能汇流箱参考设计TIDA-00639主要特性,框图,电路图,材料清单和PCB设计图.The INA226 is a current shunt and power monitor with an I2C?- or SMBUS-compatible interface. The device monitors both a shunt voltage drop and bus supply voltage. Programmable calibration value, conversion times, and averaging, combined with an internal multiplier,?enable?direct readouts of current in amperes and power in watts.The INA226 senses current on common-mode bus voltages that can vary from 0 V to 36 V, independent of the supply voltage. The device operates from a single 2.7-V to 5.5-V supply, drawing a typical of 330 μA of supply current. The device is specified over the operating temperature range between –40℃ and 125xC2℃ and features up to 16 programmable addresses on the I2C-compatible interface.INA226主要特性:Senses Bus Voltages From 0 V to 36 VHigh-Side or Low-Side SensingReports Current, Voltage, and PowerHigh Accuracy:?0.1% Gain Error (Max)10 μV Offset (Max)Configurable Averaging Options16 Programmable AddressesOperates from 2.7-V to 5.5-V Power Supply10-Pin, DGS (VSSOP) PackageINA226应用:? Servers? Telecom Equipment? Computing?? Power Management? Battery Chargers? Power Supplies? Test Equipment图1.INA226功能框图图2.INA226应用电路图图3.INA226典型电路配置图600V单向电压/电流/功率监测太阳能智能汇流箱参考设计TIDA-00639The TIDA-00639 reference design is a non-isolated high-side current and voltage sensing design for a smart combiner box in a grounded or ungrounded system.? The non-isolated current sensing topology enables accurate power monitoring for high voltage systems.? This design is optimized for any voltage between 95 V and 600 V, and with minor component changes this sensing topology can be optimized for any voltage from 40 to 1000V.AO-Electronics 傲壹电子 官网： 中文网：ALPS ADI IR JRC/NJR KEC OTAX Seoul Semiconductor TI Walsin Technology参考设计TIDA-00639主要特性:? Non-Isolat