p l7411 product brochure v 1. 2 6/17 / 201 5 overview PL7411 is a highly integrated power monitoring ic that measures electricity - related data for power usage measurement applications. it has built - in 4 - channel adc and a programmable dsp which can adapt to different applications such as metering , power protection and master/slave. PL7411 has a built - in mtp that stores the chip configuration, dsp code and calibration data. it provides spi /i2c/uart interface and can be used for calibration and programming data or dsp code. mcu can be accessed throu gh spi /i2c/uart interface. PL7411 can diagnose the electricity - related data to identify overloading, short circuit, leakage current and arcing condition for further power protection features. it also provides a flexible architecture, low system bom cost an d programmable solution, to help manufacturers minimize development effort s and design a versatile and flexible product. features ? adc input - 4 - ch 24bit ?? adc - 3 - ch differential and 1 - ch single - end input with pga (1x~32x) - for voltage or current signal input ? programmable dsp function - individual program and data space - configurable dsp parameters - built - in ieee 754 floating point format conversion ? spi /i2c/uar t interface for - mcu mode interface - calibration and mtp programming usage ? uart auto baud rate detection ? mtp memory for - chip configuration - calibration data - dsp configuration data ? 5 v / 3.3v to 1.8v internal ldo ? 5v tolerance gpio ? support s 16mhz external c rystal or i nternal o scillator ? built - in watch - dog timer ? package type : qfn24 p l7411 4ch power/energy metering afe controller bloc k diagram prolific technology inc. 7f, #48, sec.3, nan - kang rd., taipei, taiwan 115, roc tel: 886 - 2 - 2654 - 6363 fax: 886 - 2 - 2654 - 6161 e - mail: sales@prolific.com.tw
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