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SPSB100 Folha de dados(PDF) 29 Page - STMicroelectronics

Nome de Peças SPSB100
Descrição Electrónicos  Automotive power management IC for highly integrated processors
PDF  214 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPSB100 Folha de dados(HTML) 29 Page - STMicroelectronics

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Figure 18. Regulator faults reaction with REGFAIL_GO_REC = 0
ACTIVE
state
WD trigger OK*
LOW-POWER
mode
FULL-POWER
mode
SPI cmd
SPI cmd
WD trigger OK*
Execute
Power-Up
sequence
Finished OK
INIT
state
REC-1
state
Set SPI error flag
AND sends IRQ
AND if unmasked then
turns OFF failing reg. with
active discharge
REG fail & GoREC=0
Back to
previous state
REG fail & GoREC=0
VFBB_OK_R < VFBB < VFBB_OV
* when LOW_SET = 1111, watchdog service is disabled
(WD LOW trigger OK*) & (all flag cleared)
SPSB100
Functional description
DS14640 - Rev 1
page 29/214



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