P9222-R datasheet(35/58 Pages) RENESAS

部件名	P9222-R

功能描述	Wireless Power Receiver for Low Power Applications

PDF	58 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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35 / 58 page

P9222-R/RN Datasheet

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

R12 = 1MΩ, C15 = 2.2µF, Ch1 = Tx SW Node, Ch2 = PDETB, Ch3 = VRECT, Ch4 = PDET_RC, 25°C, 550ms Ping Interval

PDETB

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