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CSE7759B Datasheet(PDF) 15 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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 15 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
15/25
19
Ptm
1
0xxH
0xxH
0xxH
20
Ptl
1
0xxH
0xxH
0xxH
21
Adj
1
0xxH
0xxH
0xxH
22
CFm
1
0xxH
0xxH
0xxH
23
CFl
1
0xxH
0xxH
0xxH
24
Packet tail
checksum1
1
0xxH
0xxH
0xxH
x=0~F
(1)
When packet header 1 is FxH(x=1~F), it indicates:
Table 3-3
Packet header 1
Description
Packet header 1.bit7~bit4
=1111, fixed value.
Packet header 1.bit3
=1 indicates voltage cycle exceeds the range;
=0 indicates voltage cycle does not exceed the range;
Packet header 1.bit2
=1 indicates current cycle exceeds the range;
=0 indicates current cycle does not exceed the range;
Packet header 1.bit1
=1 indicates power cycle exceeds the range;
=0 indicates power cycle does not exceed the range;
Packet header 1.bit0
=1 indicates coefficient storage area (3n0h~3nFh) is
abnormal (n=A, B, C, D, E, F).
=0 indicates coefficient storage area is normal.
Note: Maximum measurement is about 16s for current cycle, voltage cycle and active power
cycle. It will prompt that the measuring range of corresponding cycle is exceeded after exceeded,
as shown in Table 3-3.
The voltage or current signal cycle that is out of range, the 3byte signal is periodic and the
corresponding values as invalid (voltage and current channel when there is no signal input,
CSE7759B to about 2Hz voltage, current signal, so the detection of voltage and current when the
cycle is out of range, generally abnormal situation, the chip itself damaged or external circuit
problem).




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