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L9908 数据表(PDF) 5 Page - STMicroelectronics |
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L9908 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 152 page  Pin # Pin name Description Pin type Class 12 NDIS Safe switch-off activation Input (Active LOW) I Local 13 IS3- Current monitor 3 negative input I Local 14 IS3+ Current monitor 3 positive input I Local 15 IS2- Current monitor 2 negative input I Local 16 IS2+ Current monitor 2 positive input I Local 17 IS1- Current monitor 1 negative input I Local 18 IS1+ Current monitor 1 positive input I Local 19 SLS_3 Source connection of LS FET, phase 3 I/O Local 20 GLS_3 Gate connection of LS FET, phase 3 I/O Local 21 SLS_2 Source connection of LS FET, phase 2 I/O Local 22 GLS_2 Gate connection of LS FET, phase 2 I/O Local 23 SLS_1 Source connection of LS FET, phase 1 I/O Local 24 GLS_1 Gate connection of LS FET, phase 1 I/O Local 25 CBS_3 Bootstrap capacitor of HS, phase 3 I/O Local 26 GHS_3 Gate connection of HS FET, phase 3 I/O Local 27 SHS_3 Source connection of HS FET, phase 3 I/O Global 28 CBS_2 Bootstrap capacitor of HS, phase 2 I/O Local 29 GHS_2 Gate connection of HS FET, phase 2 I/O Local 30 SHS_2 Source connection of HS FET, phase 2 I/O Global 31 CBS_1 Bootstrap capacitor of HS, phase 1 I/O Local 32 GHS_1 Gate connection of HS FET, phase 1 I/O Local 33 SHS_1 Source connection of HS FET, phase 1 I/O Global 34 VDH Drain connection of HS FETs P Global 35 CP2P Charge Pump 2 positive input of fly capacitance I/O Local 36 CP2M Charge Pump 2 negative input of fly capacitance I/O Local 37 VBP Pre-regulation stage power supply P Global 38 CP1M Charge Pump 1 negative input of fly capacitance I/O Local 39 PGND Power Ground (Charge Pump 1 and 2) G Local 40 CP1P Charge Pump 1 positive input of fly capacitance I/O Local 41 VPRE Pre-regulated voltage for HS/LS Vgs driving I/O Local 42 INH3 PWM command for HS, phase 3 (Active HIGH) I Local 43 INH2 PWM command for HS, phase 2 (Active HIGH) I Local 44 INH1 PWM command for HS, phase 1 (Active HIGH) I Local 45 INL3 PWM command for LS, phase 3 (Active HIGH) I Local 46 INL2 PWM command for LS, phase 2 (Active HIGH) I Local 47 INL1 PWM command for LS, phase 1 (Active HIGH) I Local 48 FS_FLAG Fault status flag output (Active LOW) O Local Exp. PAD Cooling pad not electrically connected. Connect to GND plane on PCB Safety Related pin NDIS and EN_BR have the following characteristics: L9908 Block diagram and pin description DS13546 - Rev 5 page 5/152 |
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