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AN4461 датащи(PDF) 53 Page - STMicroelectronics

номер детали AN4461
подробное описание детали  100 W LED street lighting application using STLUX385A
PDF  70 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4461 датащи(HTML) 53 Page - STMicroelectronics

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AN4461
User interface
70
9.3.5
ad - get last ADC samples
Command used to retrieve the value of the last analog to digital conversion in all ADC
channels. The output value is the digital value acquired directly from the ADC registers.
Syntax: ad
Parameters: none
Output:
CH0=28 CH1=287 CH2=0 CH3=0 CH4=0 CH5=855 CH6=933 CH7=0
Default: none
Example: ad
9.3.6
ti - time since power-on
The command shows the STLUX385A device up time. The output is composed of two parts,
separated by the comma sign. The first part shows the number of seconds elapsed since
power-on or reset. The second part represents the microseconds within the second.
Syntax: ti
Parameters: none
Output:
Default: none
Example: ti
Table 18. ADC samples
Channel
Monitor signal
(on schematic)
Target value
result
Target value
unit
Value
CH0
PFC_OUT
408 V
912
V = CH0 * 0.448 V
CH1
CN_CNT
Variable
Variable
V = CH1 * 1.2219 mV
CH2
Vf (D_CH0)
Variable
Variable
V = CH2 * 0.11845 on J4 (total Vf on LED strings)
CH3
V_IN -rectified Vac
Variable
Variable
V = CH3 * 0.448 V
CH4
A - 0 - 10 V
Variable
Variable
V = CH4 * 1.22189 mV
CH5
VD_14
14 V
849
V = CH5 * 16.5 mV
CH6
VCC
3.3 V
953
V = CH6 * 3.462 mV
CH7
Not used
-
-
-



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