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SPSB081 Fiches technique(PDF) 27 Page - STMicroelectronics

No de pièce SPSB081
Description  Automotive power management IC with LIN and CAN-FD
PDF  137 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPSB081 Fiches technique(HTML) 27 Page - STMicroelectronics

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If V1OV_TH2 ≤ V1 < 6.5 V → It causes a non recoverable failure and the device is forced to VBAT standby
mode (V1 is switched OFF and FORCED_SLEEP_V1OV (SR2) is raised after tOV1FILTER2). The internal
pull-down transistor which will discharge the decoupling capacitor through the RDISCHARGE is activated
If the VBAT stdby is caused by an output overvoltage on V1, the status flag stays set (V1_OV = 1).
Figure 17. Overvoltage detection V1 = 5 V
3.11
LIN bus interfaces (only for SPSB0815 and SPSB0813)
3.11.1
Features
•
LIN ISO 17987-4/2016 compliant transceiver
•
Meet OEM hardware requirements for CAN and LIN FR-Interfaces (version 1.3 2012)
•
Data rate up to 20 kbit/s
•
GND disconnection fail-safe at module level
•
Off mode: does not disturb network
•
GND shift operation at system level
•
Microcontroller interface with CMOS compatible I/O pins
•
Internal pull-up resistor
•
Transients immunity and ESD according to ISO 7637-2, ISO 62215-3 and EN/IEC 61000-4-2.
•
Matched output slopes and propagation delay
•
Wake up behavior according to LIN2.2a and ‘Hardware requirements for LIN, CAN and flexray interfaces
(version 1.3)
At VSREG > VPOR (that is, VSREG power-on reset threshold), the LIN transceiver is enabled.
The LIN transmitter is disabled in case of the following errors:
•
Dominant TxD_L time out
•
LIN permanent recessive
•
Thermal shutdown 1
–
with thermal sensor “global” in mode “no cluster”
SPSB081
LIN bus interfaces (only for SPSB0815 and SPSB0813)
DS14048 - Rev 3
page 27/137



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