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L9026 датащи(PDF) 15 Page - STMicroelectronics

номер детали L9026
подробное описание детали  Automotive configurable multi-channel relay driver 2HS 6HS/LS
PDF  60 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9026 датащи(HTML) 15 Page - STMicroelectronics

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Figure 6. State diagram
Limp home mode
Sleep mode
Active mode
Idle mode
Idle="low"
INn="low
" *
*
The state transition Active to Sleep will happen only if no channel is active
Idle="high"& INn="high"
Idle="low" & INn="high"
Idle="low"
Idle="low" & INn="high"
Idle="low"
Idle="high"
CFG_1.ACT=0 & PWM_SPI.OUTn=0 &
(PWM_MAPn=0 or
selected internal PWM=0)
&(MAP_INn.OUTn=0 or INn="low"
)
CFG_1.ACT=1 or
PWM_SPI.OUTn=1 or
(PWM_MAPn=1 &
selected internal PWM=1)
or (MAP_INn.OUTn=1 & INn="high")
Active
The active mode is the default operation for the switching on of the loads. If L9026 is not in active mode and it
happens a request to switch on outputs through SPI or Input pins, the device enters in active mode or limp home
mode, Based on the state of the IDLE pin. The turn on time tON increases due to the transitions latency.
Table 10. Functions availability in different supply conditions shows the links among the device operation modes,
the channels operability, SPI communications, registers and supply voltages.
L9026
Power supply
DS13397 - Rev 9
page 15/60



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