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STPMC1 Folha de dados(PDF) 2 Page - STMicroelectronics

Nome de Peças STPMC1
Descrição Electrónicos  Programmable poly-phase energy calculator IC
Download  77 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STPMC1 Folha de dados(HTML) 2 Page - STMicroelectronics

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Contents
STPMC1
2/77
Doc ID 15728 Rev 6
Contents
1
Functional block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
7
Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.1
Measurement error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.2
Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.3
Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
8
Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
9
Theory of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
9.1
General operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
9.2
Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
9.3
Resetting the STPMC1 (status bit HLT) . . . . . . . . . . . . . . . . . . . . . . . . . . 21
9.4
Clock generator (bits MDIV, FR1, HSA) . . . . . . . . . . . . . . . . . . . . . . . . . . 21
9.5
Zero crossing detection (signal ZCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
9.6
Period and line voltage measurement (status bits: LIN, BFR, LOW, BFF) 23
9.7
Single wire operation mode: SWM (status bits: NAH, BFR,
configuration bit FRS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
9.8
Load monitoring (status bit BIL, configuration bit LTCH) . . . . . . . . . . . . . 26
9.9
Error detection (status bits: BCF, PIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
9.10
Tamper detection module (status bits: BCS, BSF, BIF,
configuration bit ENH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
9.10.1
Sum of currents is above tamper threshold (status bit BCS) . . . . . . . . . 28
9.10.2
Phase sequence is wrong (status bit BSF) . . . . . . . . . . . . . . . . . . . . . . 31
9.10.3
Phase active powers do not have the same sign (status bit BIF) . . . . . 32


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