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STPM10 数据表(PDF) 5 Page - STMicroelectronics

部件名 STPM10
功能描述  Programmable single-phase energy metering IC with tamper detection
PDF  51 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STPM10 数据表(HTML) 5 Page - STMicroelectronics

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STPM10
List of figures
Doc ID 17728 Rev 3
5/51
List of figures
Figure 1.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 2.
Pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 3.
Supply current vs. supply voltage, TA = 25 °C (f = 4.194 MHz, 8.192 MHz). . . . . . . . . . . . 13
Figure 4.
RC oscillator frequency vs. VCC, R = 12 kΩ, TA = 25 °C . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 5.
RC oscillator: frequency jitter vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 6.
Analog voltage regulator: line - load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 7.
Digital voltage regulator: line - load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 8.
Voltage channel linearity at different VCC voltages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 9.
Power supply AC rejection vs. VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 10.
Power supply DC rejection vs. VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 11.
Error over dynamic range gain dependence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 12.
Primary current channel linearity at different VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 13.
Gain response of
ΔΣ A/D converters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 14.
First-order
ΣΔ A/D converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 15.
ZCR signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 16.
LIN and BFR signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 17.
Band-gap temperature variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 18.
Timings of tamper module - Primary channel selected. . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 19.
Timings of tamper module - Secondary channel selected . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 20.
Different oscillator circuits with (a) quartz, (b) internal oscillator, (c) external source . . . . . 23
Figure 21.
STPM10 data records map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 22.
Timing for providing remote reset request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 23.
Data record reconstruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 24.
Timing for data record reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 25.
Timing for writing configuration and mode bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 26.
Active energy computation diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 27.
STPM10 reference schematic with one current transformer and one shunt. . . . . . . . . . . . 45
Figure 28.
TSSOP20 footprint recommended data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49



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