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L9963E 数据表(PDF) 142 Page - STMicroelectronics |
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L9963E 数据表(HTML) 142 Page - STMicroelectronics |
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142 / 184 page  Table 79. FAULT line BOM Components Value Unit Max. tolerance Rating Comments RBAT_OUT 10 kΩ 10% 1/2 W Protect against STG and provide polarization for FAULT signal propagation to the upper BMU Do not use thin film resistors on these lines connected to ECU global pins. They could drift upon System Level ESD strikes. Use thick film or metal foil instead. RPD 18 kΩ 10% 1/10 W Pull-down resistor for FAULT input DZ 4.7 V The SZMM3Z4V7T1G is recommended for clamping the voltage on the FAULT input RFAULT_HIGH 6.2 kΩ 10% 1/2 W Filtering the FAULT signal and limiting the ESD inrush current. Protect the FAULTH input in case of external short to battery. Do not use thin film resistors on these lines connected to ECU global pins. They could drift upon System Level ESD strikes. Use thick film or metal foil instead. CFAULT 2.2 nF 10% 50 V Filtering the FAULT signal and improving ESD protection and immunity to ISO spikes RBASE 2 kΩ 10% 1/16 W Limit base current to the optoisolator OPT 3.75 kVrms The PS2703-1-F3-K-A is recommended for isolated propagation of the FAULT signal RBAT_IN 6.2 kΩ 10% 1/2 W Protect against external shorts and provide polarization for FAULT signal propagation to the lower BMU Do not use thin film resistors on these lines connected to ECU global pins. They could drift upon System Level ESD strikes. Use thick film or metal foil instead. RFAULT_OUT 6.2 kΩ 10% 1/2 W Protect against external shorts and provide polarization for FAULT signal propagation to the lower BMU Do not use thin film resistors on these lines connected to ECU global pins. They could drift upon System Level ESD strikes. Use thick film or metal foil instead. DOPT 82 V Protect against sudden external shorts or ESD strikes. The SMA6T82AY is recommended. L9963E FAULT line circuit DS13636 - Rev 12 page 142/184 |
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