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L9305EP датащи(PDF) 38 Page - STMicroelectronics

номер детали L9305EP
подробное описание детали  Automotive 4-channel valve driver
PDF  107 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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L9305EP датащи(HTML) 38 Page - STMicroelectronics

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8
Safety features
The L9305 has several integrated features to enable a reliable functional safety system implementation. A
complete list of all monitoring and self-test functions is shown in the next table. The following sections detail these
features.
Table 22. Safety monitors and self test summary
Function
Primary monitor
Self test
Supply monitors
Vbat
OV
POR
VCP
UV
POR
VDD
OV & UV
POR
GNDA
LOSS
POR
GNDD
LOSS
POR
Global functions
internal monitors
V3V3AN
OV & UV
POR
V3V3Dig
OV & UV
POR
Trimming Data Error
CRC
None
Global Register Error
Mismatch
None
SPI
Timeout
None
SPI
n * Timeout Latch
None
Core Temperature
Over Temperature
None
Oscillator
Diag Clk stuck-at
None
Oscillator
Clock Mismatch + Main Clk stuck-at
None
Solenoid channel
internal monitor
GND_SOLx
LOSS
POR & On Demand
HS (On state)
OC
None
LS (On State)
OC
None
LS Clamp, On State (Only in LS conf)
OV (dis. for VB > 27V)
None
STG, Off State (Only in LS conf)
On Demand Only
Open Load, Off State
On Demand Only
STB, Off State (Only in HS conf)
On Demand Only
ADC Mismatch
ADC Compare
Channel on Only
EPROM Calibration Data Error
CRC & Data Compare
None
Trim Data Error
CRC
None
RAM Calibration Data Error
CRC
None
Driver Temperature
Over Temperature
None
Driver Status
Command vs. Actual
On Demand Only
Solenoid Register Error
Mismatch
None
Out of regulation
On Demand Only
HS/LS compare
Channel on Only
Solenoid Driver Control Loop
Logic Bist
On Demand Only
Fail safe
VDS protection
OV
None
L9305
Safety features
DS12774 - Rev 10
page 38/107



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