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71M6545HT-IGT/F bảng dữ liệu(PDF) 1 Page - Maxim Integrated Products |
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71M6545HT-IGT/F bảng dữ liệu(HTML) 1 Page - Maxim Integrated Products |
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1 / 66 page  71M6545T/71M6545HT Energy Meter ICs General Description The 71M6545T/71M6545HT metrology processors are based on Maxim Integrated’s 4th-generation metering architecture supporting the 71M6xxx series of isolated current sensing products that offer drastic reduction in component count, immunity to magnetic tampering, and unparalleled reliability. The 71M6545T/71M6545HT inte- grate our Single Converter Technology® with a 22-bit delta sigma ADC, a customizable 32-bit computation engine (CE) for core metrology functions, as well as a user-programmable 8051-compatible application proces- sor (MPU) core with 64KB flash and 5KB RAM. An external host processor can access metrology func- tions directly through the SPI interface, or alternatively through the embedded MPU core in applications requir- ing metrology data capture, storage, and preprocessing within the metrology subsystem. In addition, the devices integrate an RTC, DIO, and UART. A complete array of ICE and development tools, programming libraries, and reference designs enable rapid development and certi- fication of meters that meet all ANSI and IEC electricity metering standards worldwide. The 71M6545T/71M6545HT operate over the industrial tem- perature range and come in a 64-pin lead(Pb)-free package. Applications ● Three-PhaseResidential,Commercial,andIndustrial Energy Meters Benefits and Features ● SoCIntegrationandUniqueIsolationTechnique Reduces BOM Cost Without Sacrificing Performance • 0.1% Typical Accuracy Over 2000:1 Current Range • Exceeds IEC 62053/ANSI C12.20 Standards • Four-Quadrant Metering • 46-64Hz Line Frequency Range with the Same Calibration • Phase Compensation (±10º) • Independent 32-Bit Compute Engine • 64KB Flash, 5KB RAM • Built-In Flash Security • SPI Interface to Host with Flash Program Capability • Up to Four Pulse Outputs with Pulse Count • 8-Bit MPU (80515), Up to 5 MIPS (Optional Use) • Full-Speed MPU Clock in Brownout Mode • Up to 29 Multifunction DIO Pins • Hardware Watchdog Timer (WDT) • UART for AMR or Other Communication Duties • I2C/MICROWIRE® EEPROM Interface ● InnovativeIsolationTechnology(Requires Companion 71M6xxx Sensor, also from Maxim Integrated) Eliminates Current Transformers • Four Current Sensor Inputs with Selectable Differential Mode • Selectable Gain of 1 or 8 for One Current Input to Support Neutral Current Shunt • High-Speed Wh/VARh Pulse Outputs with Programmable Width ● DigitalTemperatureCompensationImprovesSystem Performance • Metrology Compensation • Accurate RTC for TOU Functions with Automatic Temperature Compensation for Crystal in All Power Modes ● PowerManagementExtendsBatteryLifeDuring Power Outages • Two Battery-Backup Modes - Brownout Mode (BRN) - Sleep Mode (SLP) • Wake-Up on Pin Events and Wake-On Timer • 1µA in Sleep Mode 19-6721; Rev 5; 12/15 Ordering Information and Typical Operating Circuit appear at end of data sheet. Single Converter Technology is a registered trademark of Maxim Integrated Products, Inc. MICROWIRE is a registered trademark of National Semiconductor Corp. EVALUATION KIT AVAILABLE |
Số phần tương tự - 71M6545HT-IGT/F |
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Mô tả tương tự - 71M6545HT-IGT/F |
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