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P9222-R データシート(PDF) 35 Page - Renesas Technology Corp

部品番号 P9222-R
部品情報  Wireless Power Receiver for Low Power Applications
PDF  58 Pages
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メーカー  RENESAS [Renesas Technology Corp]
ホームページ  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

P9222-R データシート(HTML) 35 Page - Renesas Technology Corp

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P9222-R/RN Datasheet
© 2019-2022 Renesas Electronics Corporation
35
May 5, 2022
Figure 31. P9222-R/RN Ping Detect Waveforms1
Note: When measuring the PDET_RC node, the probe impedance will alter the timing of PDETB, and this should be accounted for.
Table 9 can be used to select the RC values for the PDET_RC pin.
Table 9.
Recommended RC Values for PDET_RC Components Based on Capacitance and Ping Interval
Ping Interval (s)
R (MΩ)
C (µF)
TPDETB_MIN (s)
TPDETB_MAX (s)
0.55
0.422
2.2
0.66
1.36
0.75
0.59
2.2
0.92
1.89
0.9
0.698
2.2
1.098
2.26
1.2
0.887
2.2
1.38
2.85
0.412
4.7
1.37
2.83
1.4
1.1
2.2
1.71
3.54
0.511
4.7
1.70
3.51
2.2
1.69
2.2
2.64
5.45
0.787
4.7
2.62
5.41
6.5
5.11
2.2
7.95
16.43
2.32
4.7
7.80
16.12
1
R12 = 1MΩ, C15 = 2.2µF, Ch1 = Tx SW Node, Ch2 = PDETB, Ch3 = VRECT, Ch4 = PDET_RC, 25°C, 550ms Ping Interval
T
PDETB



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