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L9788 Datasheet(PDF) 111 Page - STMicroelectronics |
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L9788 Datasheet(HTML) 111 Page - STMicroelectronics |
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111 / 264 page  DS12308 Rev 4 111/264 L9788 High/low-side drivers - STARTER STR[1:3] 263 Figure 44. OFF state diagnostic high-side, timing If DiagOL or DiagHV signal remains high for a time higher than Diag Filter Time the fault bit is set and can be read by Read Diag Communication. This bit can be reset by every Read Diag Communication. Conditions: 5.5 V ≤ VB_IN ≤ 18 V, Tj -40 to 175 °C unless otherwise specified; GADG0512160807PS VHVT V_OL_TH_H highside COMMAND VOUT < Tflt_diagoff Tflt_diagoff HIGH SIDE OUTPUT VOLTAGE OPEN LOAD t DIAG OFF FAULT OPEN LOAD OFF NO FAULT NO FAULT COMMAND VOUT Tflt_diagoff HIGH SIDE OUTPUT VOLTAGE t DIAG OFF FAULT OFF NO FAULT VOUT < Tflt_diagoff NORMAL LOAD HIGH SIDE OUTPUT VOLTAGE t DIAG OFF NO FAULT NO FAUT COMMAND VHVT V_OL_TH_H highside VHVT V_OL_TH_H highside COMMAND VOUT < Tflt_diagoff Tflt_diagoff HIGH SIDE OUTPUT VOLTAGE t DIAG OFF FAULT FAULT FASTCHARGE OFF FAULT VHVT V_OL_TH_H highside SHORT-TO-BATTERY LOAD SHORT-TO-BATTERY LOAD SHORT-TO-BATTERY LOAD SHORT-TO-BATTERY LOAD Table 50. High/low-side driver - STARTER electrical characteristics Symbol Parameter Test condition Min Typ Max Unit Pin Irev_OUTx Body diode reverse current voltage drop ILOAD = -0.6 A - - 1 V STR1/2/3 Relay HS configuration RdsON Drain-source resistance HS configuration VB_IN = 13.5 V; Tj =150 °C, I_load = 1A - - 1.5 Ω STR1/2/3 RdsON Drain-source resistance HS configuration VB_IN = 13.5 V; Tj = 25 °C, I_load = 1 A - - 0.81 Ω STR1/2/3 RdsON Drain-source resistance HS configuration VB_IN = 13.5 V; Tj =40 °C, I_load = 1 A - - 0.63 Ω STR1/2/3 |
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