P9222-R datasheet(35/58 Pages) RENESAS

Part #	P9222-R

Description	Wireless Power Receiver for Low Power Applications

PDF	58 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	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

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

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