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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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FS23 Scheda tecnica(PDF) 88 Page - NXP Semiconductors |
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FS23 Scheda tecnica(HTML) 88 Page - NXP Semiconductors |
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88 / 230 page  NXP Semiconductors FS23 Safety system basis chip (SBC) with power management, CAN FD and LIN transceivers TA = −40 °C to 125 °C, unless otherwise specified. VSUP = 5.5 V to 40 V, unless otherwise specified. All voltages referenced to ground. Symbol Parameter Min Typ Max Unit VxMON overvoltage deglitch time VxMON_OVDGLT_OTP = 0 20 25 30 µs TOV_DGLT VxMON overvoltage deglitch time VxMON_OVDGLT_OTP = 1 40 45 60 µs VxMON undervoltage deglitch time VxMON_UVDGLT_OTP[1:0] = 00 2.5 5.0 13 µs VxMON undervoltage deglitch time VxMON_UVDGLT_OTP[1:0] = 01 10 15 23 µs VxMON undervoltage deglitch time VxMON_UVDGLT_OTP[1:0] = 10 20 25 23 µs TUV_DGLT VxMON undervoltage deglitch time VxMON_UVDGLT_OTP[1:0] = 11 35 40 53 µs VxMON (x from 1 to 3) VxMONRPD VxMON internal passive pulldown 100 250 400 kΩ TOV_DGLT_START_UP V1MON OV deglitcher time when V1MON_OVTH_ OTP[3:0] is forced at startup 1.5 2 12 µs V0MON V0MONRPD V0MON internal passive pulldown 1 2 4 MΩ V1UVLP V1UVLP V1UVLP detection threshold 3.000 3.065 3.130 V TV1UVLP_FILT V1UVLP filtering time 0.26 2 7 µs TV1UVLP_TO_FS Time to transition to fail-safe after V1UVLP - - 10 µs Table 50. VxMON electrical characteristics...continued 19.5 Fault management 19.5.1 Fault error counter The FS23 integrates a configurable fault error counter, which is counting the number of faults related to the device itself and also caused by external events. The fault error counter starts at 1 after a POR or resuming from LPON or LPOFF. The final value of the fault error counter is used to transition in Fail-Safe state (all safety pins asserted). The maximum value of this counter is configurable with the FLT_ERR_LIMIT[1:0] bits during the INIT phase. FLT_ERR_LIMIT[1:0] Fault error counter max value configuration Fault error counter intermediate value 00 2 1 01 (default) 6 3 10 8 4 11 12 6 Reset condition POR Table 51. Fault error counter configuration FS23 All information provided in this document is subject to legal disclaimers. © 2024 NXP B.V. All rights reserved. Product data sheet Rev. 7.0 — 16 October 2024 Document feedback 88 / 230 |
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