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L9680 Datasheet(PDF) 264 Page - STMicroelectronics |
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L9680 Datasheet(HTML) 264 Page - STMicroelectronics |
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264 / 286 page  Electrical characteristics L9680 264/286 DS11615 Rev 7 3 VRSU_SYNC_MAX Max. output voltage including sync. pulse (internal regulation, VSYNCBOOST = VIN) Syncboost = 12 V, 14.75 V, 18 V and 35 V - - 16.5 V 4 RRSU RSU output resistance From IRSU = -4 mA to -65 mA 3 - 9.5 5 ISTB_TH Static reverse current into SATBUCK or SYNCBOOST pin (VSUPPLY) VRSUx > VSUPPLY + VRSU_STB 0.0 - 10 mA 6 VRSU_STB Output short to battery threshold - 10.0 - 100 mV 7 IOCTH_PSI5 Over current detection threshold Interface disabled after TFLT_OCTH_PSI5 -120 - -66 mA 8 ILIM_PSI5 Output current limit IRSUx -130 - -80 mA 9 ILIM_OC_PSI5 Difference between current limitation and OC threshold ABS(ILIM_RSU) - ABS(IOCTH_RSU) 1 - - mA 10 IBO Base current Default value -15% -15 +15% mA 11 ILKGG Trigger point for fault current detection To ground; detected by IB -50.4 -42 -35 mA 12 ILKGB To battery; detected by IB -3.5 - -1 13 IOL Output open load detection threshold VRSUx = open ILKGB (min) - ILKGB (max) mA 14 DACRES DAC resolution - - 10 - Bit 15 ILSB LSB current Design Info - 93.75 - µA 16 Vt2 Sync pulse amplitude IRSU = 4 - 35 mA Referred to VRSUx voltage before sync pulse Syncboost = 12 V, 14.75 V, 18 V and 35 V 3.8 - - V 17 VSYNCDROP Sync drop-out voltage VSYNCBOOST - VRSUx 1 - - V 18 ILIM_SYNC_LS Sync pulse current limit (LS driver) - 50 - 80 mA 19 ILIM_SYNC Static current limitation for each transceiver output RSUx During sync pulse generator VRSUx=GND -240 - -120 mA 20 C1 Capacitor on RSUx Regulator 22 nF nominal Design Info 13 - - nF 21 RE2 RSU damping resistance Design info - 2.5 - Ω 22 C2 ECU pin capacitance 5 nF nominal Design Information, not tested 4 - 6 nF 23 - Total number of sensors connected to bus Design info 1 - 3 - Table 62. PSI-5 satellite transceiver - DC specifications (continued) No Symbol Parameter Conditions Min Typ Max Unit |
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