BL0937B
BL0937B is a wide range of single-phase multi-function energy me
◆High accuracy, less than ± 0.5% error over a dynamic range of 2500: 1
◆High stability of large signal, in the condition of signal 300mA, less than ± 0.2% error in the output frequency fluctuation (CF).
◆High stability of small signal, in the condition of signal 50mA, less than ± 0.3% error in the output frequency fluctuation (CF).
◆Current and voltage RMS, current measurement range (8mA ~ 30A) @ 1mohm
◆On-Chip anti-creep protection
◆On-Chip power supply detector
1. DESCRIPTION
BL0937B is a wide range of single-phase multi-function energy meter IC for single-phase socket, Smart Appliance, with a low cost and high accuracy.
BL0937B integrates two high-accuracy Sigma-Delta ADC, voltage reference, power management and other analog circuit modules, and digital signal processing circuit to calculate active power, IRMS, VRMS etc. High frequency CF1 is provided for indicating IRMS/VRMS and high frequency CF for energy metering.
BL0937B can measure the single-phase active energy, active power, current and voltage RMS and other parameters to fully meet the needs of the socket, power strip, smart appliances and others.
Interrelated patents are pending
2. FEATURES
n High accuracy, less than ± 0.5% error over a dynamic range of 2500: 1
n High stability of large signal, in the condition of signal 300mA, less than ± 0.2% error in the output frequency fluctuation (CF).
n High stability of small signal, in the condition of signal 50mA, less than ± 0.3% error in the output frequency fluctuation (CF).
n Current and voltage RMS, current measurement range (8mA ~ 30A) @ 1mohm
n On-Chip anti-creep protection
n On-Chip power supply detector
n On-Chip voltage reference of 1.1V(typical)
n On-chip oscillator as clock source,
n Single 3.3V supply, low power (8 mW typical)
n SOP8
The reasons why many listed companies choose us
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Professional
A national high-tech enterprise, the R&D team has been deeply involved in the electrical measurement industry for more than 20 years. 100% of the R&D personnel have a bachelor degree or above, and 60% have a master degree or above. It is the main supplier of electrical measurement solutions in the smart meter and EV charger industry, and is the standard of "Integrated Energy Power Sensing Terminal" and "Integrated Energy Internet of Things Gateway" drafting unit.
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One-stop
■ Exclusively provide 4 kinds of electrical measurement solutions in China
1.Electric energy metering IC
2.Electric energy metering scheme / module
3.Electric energy metering kit
4.Electric energy metering scheme
■ provide customers with electrical measurement calibration equipment and services.
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Great industry experience
Products are used in more than 10 industries such as smart meters, EV charger, electromobile charger, power exchange stations, power exchange cabinets, smart light poles, smart agriculture, smart buildings , smart parks, smart factories, Field Supervision Unit（FSU）, energy management and smart transportation. And Irdopto provides more than 100 kinds of electrical measurement solutions, has more than 1,000 customers, and has sold more than 1 million metering modules.
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