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AS1181 Datasheet(PDF) 46 Page - ams-OSRAM AG

Part # AS1181
Description  8-channel LED/VCSEL driver with enhanced safety features
PDF  92 Pages
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Manufacturer  AMSOSRAM [ams-OSRAM AG]
Direct Link  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS1181 Datasheet(HTML) 46 Page - ams-OSRAM AG

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AS1181
Register description
Datasheet • PUBLIC • Document Feedback
DS001139 • v3-00 • 2026-Apr-01
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8
Register description
8.1
Detailed register description
Registers with addresses 0x1A00 to 0x1A4E are pre-configured via OTP and receive their
reset values during start-up. All registers from address 0x1A58 and above have their reset
value as defined in the register map column “default”.
All registers with R/W access, including registers with OTP default values, can be re-
programmed after power up in config mode. Register with read-only access (RO) cannot be
changed.
8.2
OTP default values
Table 12: OTP default values
Register name / bit name
Register
address
OTP default
value (HEX)
Value
Unit
Comment
TD_ILLUM
0x1A00
FA
250
µs
CURR0
0x1A02
6464
25
mA
CURR1
0x1A04
6464
25
mA
CURR2
0x1A06
6464
25
mA
CURR3
0x1A08
6464
25
mA
CURR4
0x1A0A
6464
25
mA
CURR5
0x1A0C
6464
25
mA
CURR6
0x1A0E
6464
25
mA
CURR7
0x1A10
6464
25
mA
CURR_LIM0
0x1A12
FF05
64/1.25
mA
Upper Limit / Lower Limit
CURR_LIM1
0x1A14
FF05
64/1.25
mA
Upper Limit / Lower Limit
CURR_LIM2
0x1A16
FF05
64/1.25
mA
Upper Limit / Lower Limit
CURR_LIM3
0x1A18
FF05
64/1.25
mA
Upper Limit / Lower Limit
CURR_LIM4
0x1A1A
FF05
64/1.25
mA
Upper Limit / Lower Limit
CURR_LIM5
0x1A1C
FF05
64/1.25
mA
Upper Limit / Lower Limit
CURR_LIM6
0x1A1E
FF05
64/1.25
mA
Upper Limit / Lower Limit
CURR_LIM7
0x1A20
FF05
64/1.25
mA
Upper Limit / Lower Limit
CH_GROUP
0x1A22
0
0
1 group with 8 channels



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