Smart Grid Solutions Guide - Maxim

Power-grid monitoringRecommended solutionsRecommended solutions (continued)Voltage supervisorsPart Description Features BenefitsMAX16052/53MAX6746–53MAX6715–29,MAX6730–35MAX16000–07,MAX16008/09High-voltage, adjustable sequencing/supervisory ICsCapacitor-adjustable watchdog timerand reset ICs1-/2-/3-voltage µP supervisorycircuits with independent watchdogoutputLow-voltage, 4-/6-/8-voltage µPsupervisors in TQFN package2.25V to 16V supply range; adjustable voltagethresholds and reset timeoutCapacitor-adjustable timing; 3μA supply currentMultiple fixed and one adjustable thresholds±1.5% accuracy; integrated watchdog timer; manualresetand margin-disable inputsMAX16055 Ultra-small, 6-voltage µP supervisor Low 35µA supply current; fully specified up to+125°CHigh-voltage input reduces costs; adjustablevoltage thresholds increase flexibilityVersatile for easy design reuse; save space insmall modulesA single multivoltage IC increases reliability andsaves board space by replacing multiple devicesImprove reliability; simplify design and lower theoverall system cost; reduce board spaceIncreases reliability; saves power; reduces totalsolution size and costPower suppliesMAX15023/26Low-cost, small, DC-DCsynchronous buck controllers (dual/single)Versatile operation from 4.5V to 28V; suitable formultiple applicationsSave space and costMAX1504640V, high-performance, synchronousbuck controller4.5V to 40V input-voltage range; adjustable outputsfrom (0.85 x V IN ) down to 0.6V; 100kHz to 1MHzswitching frequencyVersatile for easy design reuse; saves space insmall modulesReal-time clocks (RTCs) with NV RAMDS1747 RTC with 512k x 8 NV SRAM Integrated NV SRAM, RTC, crystal, power-fail controlcircuit, lithium energy sourceDS17285/87,DS17485/87,DS17885/87Temperature sensors3V/5V RTCsRTC/calendar; one time-of-day alarm; threemaskable interrupts with a common interrupt output;programmable square wave; 2KB to 8KB of batterybackedNV SRAMSaves space and cost by integrating NV memoryand RTC; retains data during power outageSave space and cost by integrating memory andRTC; retain clock data during power outageDS7505Low-voltage digital thermometer andthermostat±0.5°C accuracy from 0°C to +70°C; 1.7V to 3.7Voperation; industry-standard pinoutDS18B20 1-Wire ® digital temperature sensor ±0.5°C accuracy; 1-Wire interface; 64-bit laseredID codeMAX6603 Dual-channel platinum RTD interface Two input channels for PT200 RTDs; analog outputs;±5kV ESD protectionFor a list of Maxim's recommended power-grid monitoring solutions, please go to: www.maxim-ic.com/grid-monitoring.Industry-standard pinout allows easy accuracyupgrade and supply-voltage reduction fromLM751-Wire interface and 64-bit ID code allowmultiple distributed precision sensors on asingle busSaves space and cost24 Maxim Smart Grid Solutions