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P9222-R 데이터시트(PDF) 35 Page - Renesas Technology Corp

부품명 P9222-R
상세설명  Wireless Power Receiver for Low Power Applications
PDF  58 Pages
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제조업체  RENESAS [Renesas Technology Corp]
홈페이지  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

P9222-R 데이터시트(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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