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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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SPSB100 Scheda tecnica(PDF) 106 Page - STMicroelectronics |
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SPSB100 Scheda tecnica(HTML) 106 Page - STMicroelectronics |
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106 / 213 page  8 Application circuit Figure 71. Typical application circuit OUT_HS CSN CLK SDO SDI LDO1 VREG1 VREG2 LDO2 NRST IGN µC µC µC µC V BAT ESD Protection for ECU pins 22nF µC Core Supply 1) µC supply (3.3V or 5V) B ST3 PH3 VIN3 PGND3 COMP3 B ST1 PGND1 PH1 COMP1 FB1 VIN12 B ST2 PH2 COMP2 FB2 SGND Thermal Cluster GLB FIN1 FBB SWDBG VS NFSO1 Boost Controller To FailSafe circuitry FCCU communication from µC VREG IRQ WU Interrupt to µC (output) KL15 (input) µC supply (5V or 3.3V) PGND2 VIO I/O voltage FB3 GND GBY FBB DLB HS P-CHANNEL 5V supply Cbst_Buck3 L_Buck3 Cc_Buck3 Rc_Buck3 C_Buck3 Q2_Bypass Rcl DZby L_Boost CVBAT Rpr D2_Boost D1_Boost Q1_Boost C_Boost C_Boost_ALU 2)Optional to improve ripple on boost voltage Rg Rg_pd V BAT RNFSO1_PU RIRQ_PU Cbst_Buck1 L_Buck1 Cc_Buck1 Rc_Buck1 C_Buck1 Cbst_Buck2 L_Buck2 Cc_Buck2 Rc_Buck2 C_Buck2 CVREG CLDO1 CLDO2 RNRST_PU VIO 47nF 1)For EMC optimization purposes, capacitance could be redimensioned (2.2 µF recommended) 1 kΩ AFBC-Q4532-800-T 1 kΩ 1 kΩ 3)Only needed for EMC performances CVIN12 CVIN12 CVIN3 VIO Buck1 Converter Buck3 Converter Buck2 Converter 1) 2) 3) 8.1 External components Table 50. External components (referred to pictures in the related sections) Component Block/Usage Min Typ Max Unit Note CVBAT(1) Capacitance at Vbat 40 50 - μF ESR: < 15 mΩ Capacitance change or temperature coefficient: < | 22%| Rated voltage: > 40 VDC X7S SMD Choice: GCJ32EC71H106KA01 C_Boost(1) Capacitance at FBB 40 50 150 μF ESR: < 15 mΩ Capacitance change or temperature coefficient: < | 22%| Rated voltage: > 40 VDC SPSB100 Application circuit DS14640 - Rev 2 page 106/213 |
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