STEVAL-IPE010V1

STEVAL-IPE010V1 Energy meter demonstration kit motherboard based on the STPMC1 and STPMS1 Data brief Features ■ Vnom: 230 VRMS ■ Inom CT: 1 A (Imax 30 A) ■ Inom Sh: 5 A (Imax 80 A) ■ fLIN: 50 / 60 ± 10% Hz ■ Operating temperature: - 40 / + 85 °C ■ RoHS compliant ) s ( ct u d o r P e Description The purpose of the demonstration kit is to provide an evaluation platform for the STPMC1 and STPMS1 devices, but it can also be used as a starting point to design a Class 1 meter for 2 to 4wire power line systems using delta or wye service. ) (s The STPMC1 is a metering ASSP implemented through an advanced 0.35 µm BCD6 technology. The STPMS1 is an ASSP designed as a building block for single or multi-phase energy meters. t c u d o r The kit is made up of the STEVAL-IPE010V1 motherboard with the STPMC1 mounted, and up to 5 daughterboards (order code STEVALIPE011V1), each with an STPMS1 mounted to sense the voltage and current of each phase. P e t e l o s b O Each phase is monitored by an independent daughterboard, in which an autonomous power supply is provided to the board itself and, once it is connected, also to the motherboard. t e l o s b O STEVAL-IPE010V1 The motherboard receives the sigma-delta streams from the daughterboards which are further elaborated by the STPMC1. This device, from a 4.194 MHz crystal oscillator, provides a common clock with programmable frequency to all the daughterboards. The motherboard, through a 10-pin flat cable connector, can be interfaced to a microprocessor board to implement advanced metering features (multi-tariff, data management and storage, communication, etc). It also has stepper motor connectors for simple energy meter implementation. On this board, the STPMS1 device senses the phase current through a CT or a shunt sensor, and the phase voltage through a voltage divider. The presence of dedicated networks greatly reduces the sampling (aliasing) noise and the crosstalk noise between voltage and current channels, increasing meter precision. The STPMS1 produces a sigma-delta stream, sent together with the supply voltage, to the STPMC1 through a card edge connector. June 2010 Doc ID 17456 Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 4 2/4 2 + Doc ID 17456 Rev 1   P P 7 # $!4 $  6## 2 2 U # $!4  7 '.$           340-# $!4 $!. #,+ 633! 39. #,+). #,+/54 3#,.,# 3$!4 $ ,%$ 5 $!3 $!2 $!( 6/40 6## 633 6$$ 3#3 -/0 -/.  $!(    #,+ 2 2 .#,+ $!3 $!2 6##  34?MHC 5! 34?MHC '.$ 5'   $!3  $!2 $!( 6## N 2 6##  # U $ # 6## 7 -/0 7 -/.        3 3 3 3 #ARD?%DGE? & & & & & & & & & & 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 * #ARD?%DGE? 6## 3 $!. #,+ .#,+ 6## * #ARD?%DGE? 6## 3 $!3 #,+ .#,+ 6## & & & & & & & & & & & & & & & & & & & & & & & & 3 3 3 3 & & & & & & & & 3 3 3 3 3 3 3 #ARD?%DGE? & & 3 * 3 6## 3 $!( #,+ .#,+ 6## #ARD?%DGE? & & & 3 3 3 & & 3 & * 3 6## 3 $!4 #,+ .#,+ 6## Circuit schematic $!. 40 t e l o 6## 3 $!2 3 3 * Figure 1. #   N # #,+ 3 3 3 Schematic diagram $!.    #,+   P e #,+   2 + .#,+ 6## 1 -   0 $ d o r 2 2 + $ 6## ) (s t c u 9 +(Z 2 + $ 6## s b O $ 6## Schematic diagram STEVAL-IPE010V1 ) s ( ct t e l o r P e u d o s b O !-V STEVAL-IPE010V1 2 Revision history Revision history Table 1. Document revision history Date Revision 16-Jun-2010 1 Changes Initial release. ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o s b O Doc ID 17456 Rev 1 3/4 STEVAL-IPE010V1 ) s ( ct Please Read Carefully: u d o Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. r P e All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. t e l o No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. 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