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L9918 датащи(PDF) 53 Page - STMicroelectronics

номер детали L9918
подробное описание детали  Alternator voltage regulator with LIN interface for 12 V applications
PDF  109 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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L9918 датащи(HTML) 53 Page - STMicroelectronics

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NVM register name
Definition
Notes
Description
#Bits Code
I_FILT
4
0x5
Filter time constant of I_ANT feedback for the
voltage regulation loop
280 ms
0x6
300 ms
0x7
320 ms
0x8
20 ms
0x9
40 ms
0xA
60 ms
0xB
80 ms
0xC
100 ms
0xD
120 ms
0xE
140 ms
0xF
160 ms
HTK_DIS
1
0x0
enable
Enable/disable voltage adjustment at high
temperature
0x1
disable
HT_LIN
1
0x0
disable
HT cut-off threshold shifting via LIN (HT_KN shifting)
0x1
enable
HT_KN
4
0x00 120 °C
Default high temperature threshold over which
setpoint is reduced for thermal compensation
0x01 124 °C
0x02 128 °C
0x03 132 °C
0x04 136 °C
0x05 140 °C
0x06 144 °C
0x07 148 °C
0x08 152 °C
0x09 156 °C
0x0A 160 °C
0x0B reserved
0x0C reserved
0x0D reserved
0x0E reserved
0x0F reserved
HTKMAX_EN
1
0x0
disable
Enable/disable of the setpoint limitation to 10.6 V in
case junction temperature is greater than 176 °C
0x1
enable
HT_KN_MAX
2
0x0
160 °C
Maximum threshold value for thermal compensation
starting. It is adopted in case HT_KN+LIN offset is
greater than HT_KN_MAX
0x1
164 °C
0x2
168 °C
0x3
172 °C
HTK_SLOPE
4
0x0
slope = -50.0 mV/°C
Setpoint value ramp down in case of thermal
compensation
0x1
slope = -100.0 mV/°C
0x2
slope = -150.0 mV/°C
L9918
NVM parameters table
DS13000 - Rev 2
page 53/109



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