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L6751 датащи(PDF) 6 Page - STMicroelectronics |
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L6751 датащи(HTML) 6 Page - STMicroelectronics |
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6 / 59 page ![]() Typical application circuit and block diagram L6751 6/59 Doc ID 023992 Rev 1 1 Typical application circuit and block diagram 1.1 Application circuit Figure 1. Typical 6-phase application circuit HS1 LS1 L1 CHF CDEC R C BOOT UGATE PHASE LGATE PWM VCC EN +12V RG HS2 LS2 L2 CHF R C BOOT UGATE PHASE LGATE VCC EN +12V RG HS3 LS3 L3 CHF R C BOOT UGATE PHASE LGATE VCC EN +12V RG HS4 LS4 L4 CHF R C BOOT UGATE PHASE LGATE VCC EN +12V RG SHS SLS SL CHF BOOT UGATE PHASE LGATE PWM VCC EN +12V RG S ENDRV SPWM SCSP SCSN CS4N CS4P PWM4 CS3N CS3P PWM3 CS2N CS2P PWM2 CS1N CS1P PWM1 VR12 mP LOAD VR12 SVID Bu s COUT CMLCC CSOUT CSMLCC GND PWM GND PWM GND PWM GND GND CDEC CDEC CDEC CDEC CF RF CI RI RFB CP RGND VSEN FB COMP CREF RREF REF CSF RSF CS I RS I RSFB CSP SRGND SVSEN SFB SCOMP LTB ENDRV IMAX /SIMAX +12V VDRV BOOT / TMAX ADDR OSC SOSC +5V VCC5 GDC GND x2 (+PAD) DPM1-3 VRRDY SVRRDY VR_RDY SVR_RDY VR_HOT VR_HOT EN EN IMON ILIM DPM4-6 TM VCC5 NTC (NTHS0805N02N6801) (Close to the hotspot) ST L6751 (6+1) Reference Schematic HS4 LS4 L4 CHF R C BOOT UGATE PHASE LGATE VCC EN +12V RG PWM GND CDEC HS4 LS4 L4 CHF R C BOOT UGATE PHASE LGATE VCC EN +12V RG PWM GND CDEC CS4N CS4P PWM4 CS4N CS4P PWM4 FBR SFBR SIMON RIMON RILIM RSIMON ROSC RSOSC STM VCC5 NTC (NTHS0805N02N6801) (Close to the hotspot) TCOMP STCOMP CSREF RS REF SREF PMBus(tm) SMCLK SMAL# SMDATA VIN +12V PHASE PHASE1 L6751 AM14809v1 |
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