TMD2725 Datasheet, PDF (27/50 Pages) ams AG – The device features advanced proximity measurement

TMD2725 − Register Description
Figure 34:
PCFG1 Register
PCFG1 Register (Address 0x8F)
Addr: 0x8F
Bit
Bit Name
7:6
PGAIN
5
Reserved
4:0
PLDRIVE
PCFG1
Default Access
Bit Description
This field sets the gain of the proximity IR sensor.
10
RW
Gain
1x
2x
Value
0
1
Bit Field
00b
01b
4x
2
10b
8x
3
11b
0
RW
Reserved
This field sets the drive strength of the IR LED current.
Values are approximate; actual current through LED is
factory trimmed to normalize IR intensity.
Value
LED Current
0
0
RW
1
6mA
12mA
i_LED = 6(PLDRIVE +1) mA
30
186mA
31
192mA
ams Datasheet
[v1-11] 2016-Sep-20
Page 27
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