New Yorker Electronics Distributing Silergy Isolated Metrology Processor for Electricity Metering Applications
Silergy Device Functions as a Completely Autonomous Metrology Processor in a 5x5mm 32-pin QFN package
- (1888PressRelease) December 21, 2020 - NORTHVALE, New Jersey, USA New Yorker Electronics is now distributing the Silergy SY7T625 Isolated Metrology Processor for Electricity Metering Applications. The SY7T625 is the host side device of an isolated metering chipset for single-phase and poly-phase electricity metering applications.
Featuring Silergys proprietary Teridian power measurement technology, it can be combined with up to four analog front end (AFE) devices are supported, each utilizing an independent, robust capacitive-coupled digital interface. Each AFE supports two ADC channels (voltage and current) to form a highly accurate and fully isolated shunt-based meter.
The device functions as a completely autonomous metrology processor. A set of pre-processed metrology outputs can be obtained by the host by reading registers that are accessible though the SPI interface. Likewise, system parameters, such as the desired meter constant (Kh), calibration coefficients, sag threshold, and other parameters into the RAM of the SY7T625 by the host.
A powerful 24-bit Compute Engine and math accelerators implement the core requirements of high accuracy metering. Code images that cover most requirements of revenue metering are provided by Silergy. These images can be pre-loaded into the flash memory of the SY7T625 by ordering option, programmed at production, and can be updated in the field, if necessary. The flash memory is also used to store calibration coefficients generated during meter calibration and configuration.
A sophisticated onboard clock management system provides an internal clock source and automatically accesses an optional external crystal if the highest accuracy timing is desired. An integrated hardware Watchdog Timer (WDT) is also included.
Features & Benefits:
Isolated AFE interface supports up to four compatible Silergy remote ADCs (up to 8 analog inputs)
Powerful 24-bit Compute Engine with 20MHz clock frequency, supported by accelerators for multiply, divide, and square root operations
Factory-programmed or field programmable with Silergy provided firmware images
5x5mm 32-pin QFN package
SPI host interface, up to 10MHz
Two pulse outputs and 10 additional digital I/O pins
20MHz crystal (or external clock) interface for precision timing reference
Applications:
Single or Poly-phase AMI Metering
Energy Monitoring
As a franchise distributor for Silergy, New Yorker Electronics supplies its full line of Single Output Step Up/Step Down Regulators, Dual Output Regulators, Power Management ICs, LED Backlight Regulators, Controller ICs, LED Lighting Drivers, LDO Regulators, Protection Switches, TVS/Surges, EMIs, Electricity Metering ICs and Embedded Measurement ICs.
New Yorker Electronics is a certified franchised distributor of electronic components, well known for its full product lines, large inventories and competitive pricing since 1948. It is an AS9120B and ISO 9001:2015 certified source of passive components, discrete semiconductors, electromechanical devices, Flash & DRAM modules, embedded board solutions, power supplies and connectors, and operates exclusively at heightened military and aerospace performance levels. New Yorker Electronics operates in strict accordance with AS5553 and AS6496 standards in its everyday procedures to thwart the proliferation of counterfeit parts. It is a member of ECIA (Electronics Component Industry Association) and of ERAI (Electronic Resellers Association International).
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