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P9242-R3 数据表(PDF) 18 Page - Renesas Technology Corp

部件名 P9242-R3
功能描述  15W Wireless Charging Transmitter with Bi-directional Data Communication
PDF  44 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

P9242-R3 数据表(HTML) 18 Page - Renesas Technology Corp

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P9242-R3/RB Datasheet
© 2019 Integrated Device Technology, Inc.
18
May 17, 2019
7.8
Q-Factor and LED Pattern Selection – LED/Q-Fact Pin
The P9242-R3 uses two LEDs to indicate the power transfer status, faults, and various operating modes depending on the voltage level at the
LED/Q-Fact pin. In addition, this pin enables or disables the Q-factor used for FOD (see section 7.1). The LEDs are connected to the LED1 and
LED2 pins as shown in the typical application schematic in Figure 30. The Q-factor can be enabled or disabled by the voltage on the LED/Q-
fact pin as determined by the resistor divider R43 and R44 as shown in Figure 30.
Table 9.
Resistors for Setting the LED Pattern and Enabling/Disabling the Q-factor Detection for FOD
Q-Factor
Detection Option
LED/Q-Fact
Pin Voltage
R43
[kΩ]
R44
[kΩ]
LED1/LED2 Pin
Status
Standby
Transfer Complete
Fault
Enabled
1
Pull-Down
Open
10
LED1 – GREEN
Off
On
Off
Off
LED2 – RED
Off
Off
Off
Blink 4Hz
2
0.225V
10
0.732
LED1 – GREEN
On
On
Off
Off
LED2 – RED
On
Off
Off
Blink 4Hz
3
0.375V
10
1.27
LED1 – GREEN
Off
Blink 1Hz
On
Blink 4Hz
LED2 – RED
Off
Off
Off
Off
4
0.525V
10
1.87
LED1 – GREEN
Off
On
Off
Blink 4Hz
LED2 – RED
Off
Off
Off
Off
5
0.675V
10
2.55
LED1 – GREEN
On
Blink 1Hz
On
Off
LED2 – RED
On
Off
Off
Blink 4Hz
6
0.825V
10
3.32
LED1 – GREEN
Off
Off
On
Off
LED2 – RED
Off
On
Off
Blink 4Hz
7
Pull-Up
10
Open
LED1 – GREEN
Off
Blink 1Hz
On
Off
LED2 – RED
Off
Off
Off
Blink 4Hz
Disabled
1
1.125
10
5.11
LED1 – GREEN
Off
On
Off
Off
LED2 – RED
Off
Off
Off
Blink 4Hz
2
1.275
10
6.34
LED1 – GREEN
On
On
Off
Off
LED2 – RED
On
Off
Off
Blink 4Hz
3
1.425
10
7.68
LED1 – GREEN
Off
Blink 1Hz
On
Blink 4Hz
LED2 – RED
Off
Off
Off
Off
4
1.575
10
9.09
LED1 – GREEN
Off
On
Off
Blink 4Hz
LED2 – RED
Off
Off
Off
Off
5
1.725
10
11
LED1 – GREEN
On
Blink 1Hz
On
Off
LED2 – RED
On
Off
Off
Blink 4Hz
6
1.875
10
13
LED1 – GREEN
Off
Off
On
Off
LED2 – RED
Off
On
Off
Blink 4Hz
7
2.025
10
15.8
LED1 – GREEN
Off
Blink 1Hz
On
Off
LED2 – RED
Off
Off
Off
Blink 4Hz



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