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L9658 数据表(PDF) 9 Page - STMicroelectronics |
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L9658 数据表(HTML) 9 Page - STMicroelectronics |
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9 / 64 page ![]() L9658 Pin description Doc ID 14219 Rev 3 9/64 2.1 Thermal data 36 NC No Connect - - 37 TEST Test pin Input Pull-down 38 V8BUCK Supply voltage for satellite interface and resistance measurement Input - 39 NC No Connect - - 40 ICH4 Current sense output for channel 4 Output Hi-Z 41 ICH3 Current sense output for channel 3 Output Hi-Z 42 ICH2 Current sense output for channel 2 Output Hi-Z 43 ICH1 Current sense output for channel 1 Output Hi-Z 44 NC No connect - - 45 IREF External current reference resistor Output - 46 AOUT_GND Ground reference for AOUT - - 47 AOUT Analog output for loop diagnostics Output Hi-Z 48 NC No Connect - - 49 GND3 Power ground for loop channel 3 - - 50 SQL3 Low side driver output for channel 3 Output Pull-down 51 SQH3 High side driver output for channel 3 Output Hi-Z 52 VRES3 Reserve voltage for loop channel 3 Input - 53 VRES2 Reserve voltage for loop channel 2 Input - 54 SQH2 High side driver output for channel 2 Output Hi-Z 55 SQL2 Low side driver output for channel 2 Output Pull-down 56 GND2 Power ground for loop channel 2 - - 57 GND1 Power ground for loop channel 1 - - 58 SQL1 Low side driver output for channel 1 Output Pull-down 59 SQH1 High Side Driver Output for Channel 1 Output Hi-Z 60 VRES1 Reserve voltage for loop channel 1 Input - 61 VRES0 Reserve voltage for loop channel 0 Input - 62 SQH0 High side driver output for channel 0 Output Hi-Z 63 SQL0 Low side driver output for channel 0 Output Pull-down 64 GND0 Power ground for loop channel 0 - - Table 2. Pin function (continued) Pin # Pin name Description I/O type Reset state Table 3. Thermal Data Symbol Parameter Value. Unit Rth j-amb Thermal resistance junction-to-ambient 68 °C/W |
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