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CSE7759B Datasheet(PDF) 23 Page - Core Technology (Shenzhen) Co., Ltd.

Part No. CSE7759B
Description  Calibration-free Electric Energy Measuring Chip
Download  25 Pages
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Maker  CHIPSEA [Core Technology (Shenzhen) Co., Ltd.]
Homepage  http://www.chipsea.com/
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 23 page
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本资料为芯海科技专有财产,非经许可,不得复制、翻印或转变其他形式使用。
This document is exclusive property of CHIPSEA and shall not be reproduced or copied or transformed to any other format
without prior permission of CHIPSEA
聚点滴之芯.成浩瀚之海
23/25
Start
Packet header 1=55H?
Packet header 2=5AH?
Checksum1 right?
Adj.6=1?
Measured voltage=voltage
coefficient*V2R/voltage cycle
End
Packet header 1=AAH?
Chip not
calibrated
YES
Packet header 1=FxH
&(包头1.bit2=1|Packet header
1.bit3=1)
Abnormal external
circuit or chip damage
NO
YES
YES
YES
YES
NO
N0
NO
Packet header 1=FxH
&Packet header 1.bit2=0
&Packet header 1.bit3=0
NO
YES
YES
NO
NO
Figure 6: voltage operation flow chart
3.8.2 current operation reference flow chart
Start
Packet header 1=55H?
Packet header 2=5AH?
Checksum1 right?
Adj.5=1?
Measured current=current
coefficient/(current cycle*V1R)
End
Packet header 1=AAH?
Chip not
calibrated
YES
Packet header 1=FxH
&(包头1.bit2=1|Packet header
1.bit3=1)?
Abnormal external
circuit or chip damage
NO
YES
YES
YES
NO
N0
NO
Packet header 1=FxH
&Packet header 1.bit2=0
&Packet header 1.bit3=0?
NO
YES
YES
NO
NO
Measured power=0?
Measured current=0
YES
YES
NO
Figure 7: current operation flow chart




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