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L99DZ320 データシート(PDF) 90 Page - STMicroelectronics |
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L99DZ320 データシート(HTML) 90 Page - STMicroelectronics |
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90 / 146 page  5 Application circuit Figure 45. Application circuit 5V_1 2x VREG1 VREG2 NRESET RXDC TXDC CAN_H VSREG Debug CP VS Pump Charge HB6 HB4 HB5 Driver Interface, HS7 RXDL/NINT TXDL LIN SPI Interface TO Watchdog EI1 DIR1 / EI2 HS0 Direct CM SGND PGND Buffered Logic & Diagnostic ½ Bridge ½ Bridge ½ Bridge HS n-chan HS n-chan HS n-chan HS p-chan HS p-chan HS p-chan HS p-chan HS p-chan HS p-chan CP2P Thermal Clusters CAN_SUP Digital M M Vbat ~100nF ~100nF ~100nF 220nF M µC (output) V Protected V Protected µC (input) VS Drive 1 µC Supply 5V_2 1 µF Ext Loads µC (input) µC (output) CAN_L µC (input) µC (output) 1k 70 70 HS8 HS9 10W/2x5W (or LED) HS15 HS14 HS13 HS12 HS11 Contact Supply Lock Safe Lock 1) Capacitance to be dimensioned according to load current (rule of thumb 500µF each 10A) 1) 2) Capacitance to be dimensioned e.g. according to voltage drop out requirements 2) 3) OEM requirements and external components for LIN resp CAN to be fulfilled. 3) 3) 4) For EMC optimization purposes, capacitance could be redimensioned (2.2µF recommended) 4) 4) ESD Protection 22nF for ECU pins 47nF PWM 6 / DIR2 PWM 4-5 µC (output) µC (output) PWM 6 External Interrupts 1k 1 µF 70 70 Vbat L99DZ320 Application circuit DS14235 - Rev 5 page 90/146 |
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