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L9945 データシート(PDF) 13 Page - STMicroelectronics |
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L9945 データシート(HTML) 13 Page - STMicroelectronics |
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13 / 151 page  4 Product electrical and thermal characteristics This section contains the Absolute Maximum Ratings (AMR), the latch-up trials, the ESD classification and the range of functionality of the device. The information provided here refers to the global behavior of the device. For specific information about the electrical characteristics of each interface/component, refer to the related section of the datasheet. 4.1 Absolute maximum ratings Within the maximum ratings, no damage to the component or latch-up occurs and the defined leakage currents won't be exceeded. However, the full functionality of the device is guaranteed only in the functional range. This part may be irreparably damaged if taken outside the specified absolute maximum ratings. Operation above the absolute maximum ratings may also cause a decrease in reliability. Note: A negative current is flowing out of the L9945, a positive current into the L9945. Table 2. Absolute maximum ratings capability Symbol Parameter description Comment Min. Max. Unit Supply Pins VDD5 VDD5 voltage range -0.3 40 V VVPS_sta Static VPS voltage range Ext. HS, Static Max voltage: VGBHI – VPS = 20 V -1 60 V VVPS_dyn Dynamic VPS voltage range Dynamic; 2 ms test pulse 1 -2 60 V IPS_leak Leakage on pin VPS POR or NRES active; VPS = [0 – 36] V 0 20 µA VGBHI VGBHI voltage range (Ch. Pump) Max voltage: VGBHI – VPS = 20 V -0.3 80 V VVIO VIO voltage range Supply for SDO -0.3 40 V Output Pre-Driver VSNGPx SNGPx voltage range Max voltage: GNSPx - SNGPx = 20 V (in all conditions) BATTxx – SNGPx ≥ 0 V (When DSM is used for OC detection) -14 60 V VGNSPx GNSPx voltage range Max voltage: GNSPx - SNGPx = 20 V -14 80 V VDRNx DRNx voltage range - -20 60 V VBATTxx BATTxx voltage range Max voltage: BATTxx – SNGPx ≥ 0 V When DSM is used for OC detection -1 60 V Ground pins: GND, GNDIO, GNDCP, PGNDxx VGND_PINS Ground voltage range - -0.3 0.3 V Charge Pump VCH1&3 CH1 & CH3 - -0.3 60 V L9945 Product electrical and thermal characteristics DS12275 - Rev 8 page 13/151 |
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