P9415-R-EVK Evaluation Kit
R16UH0015EU0100 Rev.1.0
May 27, 2021
Page 36
Table 33. Vrect ADC (0x40)
Address
and Bit
Register Field Name
R/W
Default
Value
Function and Description
0x40 [15:0]
Vrect ADC
R
–
12 LSB of current Vrect ADC value. Vrect = ADC_Vrect
Value/4095*10*2.1 (V).
Table 34. External Temperature Register ADC (0x42)
Address
and Bit
Register Field Name
R/W
Default
Value
Function and Description
0x42 [15:12]
Reserved
R
0
Reserved
0x42 [11:0]
NtcTemp
R
–
12-bit raw data of the thermistor ADC reading on GP2 pin.
Vol_gp2 = NtcTemp / 4095 * 10 * 2.1(V)
Table 35. IOut Register (0x44)
Address
and Bit
Register Field Name
R/W
Default
Value
Function and Description
0x44 [15:0]
IOut
R
–
In RX mode the AP may read this register to get current Iout level in
mA.
In TX mode the register holds the Power Supply current Iin in mA.
Table 36. Die Temperature Register (0x46)
Address
and Bit
Register Field Name
R/W
Default
Value
Function and Description
0x46 [15:0]
DieTemp
R
–
12bit of current Die Temperature ADC value. Formula converting ADC
value.
Die Temperature in Celsius Degree is t_die [degC] = (ADC code *
0.075) - 174.
Table 37. AC Period Register (0x48)
Address
and Bit
Register Field Name
R/W
Default
Value
Function and Description
0x48 [15:0]
ACPeriod
R
–
Read back the AC Period. The value is presented by number of 6MHz
clocks per 64 AC cycles.
The AC frequency can be calculated as:
F(kHz) = 64 * 6000 / ACPeriod;
Table 38. Iout Limit Set Register (0x4A)
Address
and Bit
Register Field Name
R/W
Default
Value
Function and Description
0x4a [7:0]
ILim
R
0x0E
Set main LDO current limit in 0.1A steps. The limit level is set to the
value plus 0.1A.
Table 39. Signal Strength Packet (0x4B)
Address
and Bit
Register Field Name
R/W
Default
Value
Function and Description
0x4b [7:0]
SignalStrength
R
–
Signal Strength Packet sent by 9415 at beginning of power transfer
