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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L9678P датащи(PDF) 181 Page - STMicroelectronics |
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L9678P датащи(HTML) 181 Page - STMicroelectronics |
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181 / 203 page  DocID029274 Rev 3 181/203 L9678P, L9678P-S Electrical characteristics 202 11 ILKG_SF_ON SF leakage current Device ON, VRESDIAG = VSSxy = 35 V, SFx = 0V-35 V -50 - 50 µA 12 ILKG_SF_OFF Device OFF, VRESDIAG = open, VSSxy = open but all SSxy pins connected, SEx = 0 V - 35 V -50 - 50 µA 13 ILKG_SR_ON SR leakage current Device ON, VRESDIAG = VSSxy = 35 V, SFx = 0V-35 V - - 50 µA 14 ILKG_SR_OFF Device OFF, VRESDIAG = open, VSSxy = open but all SSxy pins connected, SEx = 0 V - 35 V - - 50 µA 15 LDEPL Load Inductance Maximum load inductance Design Information(2) 0 - 60 µH 16 CSFx Load capacitance Maximum capacitance to GND Design Information 13 - 455 nF 17 CSRx 13 - 455 nF 18 CSSxy SSxy capacitance Maximum capacitance to GND connected directly to SSxy pin Design Information - - 10 nF 19 RSFLx Load Impedance Design Information - - 6.5 Ω 20 - Wire Length Squib Loops containing a clockspring shall be limited to a maximum length of 3m 1- 10 m 21 RWirex Wire resistance Design information 16.8 - 63.4 mΩ/m 22 LWirex Wire Inductance Design Information 0.6 - 1.8 µH/m 23 RCSx Clock spring resistance Maximum number of clock springs is 3 for any IC Design Information 0- 0.7 Ω 24 LCSx Clock spring inductance Design Information 0 - 42.9 µH 25 kL_CS1 – L_CS2 Clocks pring coupling Design Information 0.739 - 0.903 - 26 LEMI Squib EMI protection Design Information 0 - 7.7 µH 1. In case of an unsupplied device and shorted deployment pins (e.g. to battery voltage), the dynamic reverse current through the high side power stage depends on CSSxy. 2. LDEPL could be calculated in the following way: - Non-ClockSpring Loops LDEPL(max) = LWire(10m*2) + LEMI = (3.6 µH/m * 10m) + 7.7 µH = 43.7 µH - ClockSpring Loops LDEPL(max) = LWire(3m*2) + LCSx + LEMI = (3.6µH/m * 3m) + [42.9 µH * (1 - 0.739)] + 7.7 µH = 29.7 µH - ClockSpring Loops with short to ground LDEPL(max) = LWire(3m) + LCSx + LEMI = (1.8µH/m * 3m) + 42.9µH + 7.7µH = 56 µH. Table 46. Deployment drivers - DC specifications (continued) N° Symbol Parameter Condition Min Typ Max Unit |
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