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MFS2401AVMAFES Datasheet(PDF) 21 Page - NXP Semiconductors |
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MFS2401AVMAFES Datasheet(HTML) 21 Page - NXP Semiconductors |
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21 / 151 page  NXP Semiconductors FS2400 Fail-safe system basis chip with SMPS and LDO, CAN FD transceiver From any Mx state VBOS < VBOS_por Or VDIG < VDIG_por Or VDIG > VDIG_ov VBOS_LP enabled VBOS_HP disabled VBOS_LP enabled VBOS_HP disabled Mode = Start HP Analog (M2) Or Mode = Fail Safe (M30) HP Analog enabled And Mode ! = (LPOFF or LPON) (M18 or M16) Mode = LPOFF Or Mode = Fail Safe (M30) Or (Mode = LPON (M16) and VBOS2V1_SW_LP_EN_OTP = 0) Mode = M13 and Go2LPON_latch = 1 and VBOS2V1_SW_LP_EN_OTP = 1 Legend: Blue: Device action, Black: Device state VBOS_LP enabled VBOS_HP disabled VBOS = V1 (switch closed) BOS_1 VBOS_LP BOS_2 VBOS_HP BOS_3 VBOS_V1 aaa-046841 Figure 15. Simplified VBOS state diagram 7.7.2 Best of supply (BOS) electrical characteristics TA = –40 °C to 115 °C, unless otherwise specified. VSUP = VSUP_UVH to 40 V, unless otherwise specified. All voltages referenced to ground." Symbol Parameter Min Typ Max Unit Static electrical characteristics Best of supply high-power output voltage - 5 - V VBOS Best of supply low-power output voltage (when not connected to V1 HVBUCK regulator) - 4.7 - V VBOS_UV VBOS undervoltage threshold in Normal mode 3.2 3.3 3.4 V VBOS_POR_UVL VBOS power-on reset threshold on falling edge 2.5 2.65 2.8 V VBOS_POR_UVH VBOS power-on reset threshold on rising edge 2.9 3.05 3.2 V VBOS_HP_DROP Maximum VBOS_HP dropout voltage (VSUP = 4 V, IBOS = 5 mA, VBOS = 3.4 V) - - 600 mV VBOS_SW_V1 VBOS to V1 switch dropout voltage (V1 = 3.3 V, IBOS = 5 mA) - - 200 mV Dynamic electrical characteristics TBOS_UV VBOS_UV filtering time 0.13 1 3.1 μs TBOS_POR VBOS_POR filtering time 0.13 1 3.1 μs Table 6. Best of supply electrical characteristics FS2400 All information provided in this document is subject to legal disclaimers. © 2024 NXP B.V. All rights reserved. Product data sheet Rev. 4 — 23 October 2024 Document feedback 21 / 151 |
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