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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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L9965P-FN Scheda tecnica(PDF) 56 Page - STMicroelectronics |
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L9965P-FN Scheda tecnica(HTML) 56 Page - STMicroelectronics |
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56 / 104 page  Symbol Parameter Test condition Min Typ Max Unit Pin tLEAK_TEST Leakage test time duration - - 1.6 ms PF, PR tRES_MEAS Pyro igniter resistance measurement time duration - - 0.6 ms PF, PR VRES_LOW_TH Pyro igniter resistance low threshold (7 bit) VRES_LOW_TH = 4 * VADC_LSB_0 * CODE Guaranteed by SCAN 0 - 1.21 V PF, PR VRES_HIGH_TH Pyro igniter resistance high threshold (7 bit) VRES_LOW_TH = 4 * VADC_LSB_0 * CODE Guaranteed by SCAN 0 - 1.21 V PF, PR ERRTOT_PRM Pyro igniter resistance measurement total error -8 - 8 % PF, PR tFET_TEST_FLT Deglitch filter time for STB/STG detection during FETs test 0.85 1 1.15 µs PF, PR tFET_TEST_TO LS/HS FET test timeout 190 200 210 µs PF, PR tFET_TEST FET test time duration - - 0.2 ms PF, PR EFET_TEST Energy transferred to load during FETs test Design info - - 170 µJ PF, PR RDSON_ERDCHSW ER discharge switch ON resistance IERDCHSW = 0.5 A 0.25 - 2.2 Ω ERDCHSW VERDCHSW_OV_H ER discharge switch VDS monitor overvoltage threshold Low to high 3.4 - 3.8 V ERDCHSW VERDCHSW_OV_L ER discharge switch VDS monitor overvoltage threshold High to low 3.0 - 3.4 V ERDCHSW tERDCHSW_FLT ER discharge switch filter time 8 10 12 µs ERDCHSW VDCH VERBST-VERDCHSW input differential measurement range ER cap diagnostic 15 - 30 V ERBST ERDCHSW VDCH_LSB VERBST-VERDCHSW input differential measurement LSB ER cap diagnostic - 8.8 - mV ERBST ERDCHSW VDCH_ACC VERBST-VERDCHSW voltage measurement accuracy 15 V < VERBST – VERDCHSW < 30 V -5 - 5 % ERBST ERDCHSW NDCH_INTG_BIT Integral of VERBST- VERDCHSW internal number of bits Design info - 12 - bit ERBST ERDCHSW ΔVER ER cap discharge voltage range during ER cap diagnostic Design info 0 - 1.15 V ERBST ΔVER_LSB ER cap discharge voltage LSB during ER cap diagnostic Dedicated 12-bit ADC to directly convert differential voltage - 352 - µV ERBST ΔVER_ACC ER cap discharge voltage measurement accuracy Dedicated 12-bit ADC to directly convert differential voltage -70 - +70 mV ERBST L9965P Functional description DS14702 - Rev 4 page 56/104 |
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