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[導(dǎo)讀]   nxp公司的FS4503具有CAN靈活數(shù)據(jù)收發(fā)器的Grade 1和Grade 0安全功率系統(tǒng)基礎(chǔ)芯片(SBS),通過DC/DC預(yù)穩(wěn)壓和線性穩(wěn)壓器以及超低功耗節(jié)電模式來給MCU供電和優(yōu)化能量損

  nxp公司的FS4503具有CAN靈活數(shù)據(jù)收發(fā)器的Grade 1和Grade 0安全功率系統(tǒng)基礎(chǔ)芯片(SBS),通過DC/DC預(yù)穩(wěn)壓和線性穩(wěn)壓器以及超低功耗節(jié)電模式來給MCU供電和優(yōu)化能量損耗,最大輸入電壓36V,主要用在驅(qū)動(dòng)列車電氣化(BMS,混合EV和HEV,逆變器,DCDC),驅(qū)車列車底盤和安全(主動(dòng)懸掛,轉(zhuǎn)向裝置,安全域網(wǎng)關(guān)),動(dòng)力傳動(dòng)系(EMS,TCU,變速箱以及ADAS(LDW,雷達(dá),傳感器融合安全區(qū))等。本文介紹了FS4503主要特性,框圖和應(yīng)用電路,以及評估板KITFS6522LAEEVM, KITFS6523CAEEVM和KITFS4503CAEEVM主要特性,框圖,電路圖,材料清單和PCB裝配圖。

  The NXP? FS4500 system basis chip (SBC) provides power to MCUs and optimizes energy consumpTIon through a DC/DC pre-regulator and linear regulators and ultra-low-power saving modes.

  The FS6500/FS4500 SMARTMOS devices are a mulTI-output, power supply,integrated circuit, including CAN Flexible Data (FD) and/or LIN transceivers, dedicated to the automoTIve market.

  MulTIple switching and linear voltage regulators, including low-power mode (32 μA) are available with various wake-up capabilities. An advanced power management scheme is implemented to maintain high efficiency over a wide range of input voltages (down to 2.7 V) and output current ranges (up to 2.2 A)。

  The FS6500/FS4500 includes configurable fail-safe/fail silent safety behavior and features, with two fail-safe outputs, becoming a full part of a safety oriented system partitioning, to reach a high integrity safety level (up to ASIL D)。

  The built-in CAN FD interface fulfills the ISO 11898-2 and -5 standards. The LIN interface fulfills LIN protocol specifications 2.0, 2.1, 2.2, and SAEJ2602-2.

  FS4503主要特性:

  ? Battery voltage sensing and MUX output pin

  ? Highly flexible SMPS pre-regulator, allowing two topologies: non-inverting buck-boost and standard buck

  ? Family of devices to supply MCU core from 1.0 V to 5.0 V, with SMPS (0.8 A, 1.5 A or 2.2 A) or LDO (0.5 A)

  ? 36 V maximum input operating voltage

  ? Linear voltage regulator dedicated to auxiliary functions, or to sensor supply (VCCA tracker or independent), 5.0 V or 3.3 V

  ? Linear voltage regulator dedicated to MCU A/D reference voltage or I/Os supply (VCCA),5.0 V or 3.3 V

  ? 3.3 V keep alive memory supply available in low-power mode

  ? Long duration timer, counting up to 6 months with 1.0 s resolution

  ? Multiple wake-up sources in low-power mode: CAN, LIN, IOs, LDT

  ? Five configurable I/Os

  FS4503應(yīng)用:

  ? Drive train electrification (BMS, hybrid EV and HEV, inverter, DCDC, alterno starter)

  ? Drive train - chassis and safety (active suspension, steering, safety domain gateway)

  ? Power train (EMS, TCU, gear box)

  ? ADAS (LDW, Radar, sensor fusion safety area)

  

  圖1.具有CAN 和LIN的FS6500/FS4500簡化框圖

  

  圖2.FS6500C簡化應(yīng)用電路-降壓-升壓配置-FS1B

  

  圖3.FS6500L簡化應(yīng)用電路-降壓配置-LIN-VccA=100mA

  

  圖4.FS4500C簡化應(yīng)用電路-降壓-升壓配置-FS1B

  評估板KITFS6522LAEEVM, KITFS6523CAEEVM和KITFS4503CAEEVM

  The KITFS6522LAEEVM, KITFS6523CAEEVM, and KITFS4503CAEEVM are hardware evaluation tools supporting system designs based on NXP’s FS4500 and FS6500 product families. The kits allow testing the devices as an integral part of the overall system being developed. They provide access to all FS45xx and FS65xx functions (SPI, IOs) and support functional modes such as debug, normal, buck, and boost.

  評估板KITFS6522LAEEVM, KITFS6523CAEEVM和KITFS4503CAEEVM主要特性:

  ?VBAT power supply either through power jack (2.0 mm) or phoenix connector

  ?VCORE configuration:1.23 V, 3.3 V, and 5.0 V

  ?VCCA configuration:

  –3.3 V or 5.0 V

  –Internal transistor or external PNP

  ?VAUX configuration: 3.3 V or 5.0 V

  ?Buck or boost setting

  ?DFS configuration

  ?Ignition key switch

  ?LIN bus (optional)

  ?CAN bus

  ?FS0B

  ?FS1B (Option)

  ?IO connector (IO_0 to IO_5)

  ?Debug connector (SPI bus, CAN digital, LIN digital, RSTB, FS0B, INTB, Debug, MUX_OUT)

  ?Signalling LED to give state of signals or regulators

  ?KL25Z MCU installed on board for easy connection to host computer on USB link

  

  圖5.評估板FS45xx/FS65xx外形圖

  The KITFS6522LAEEVM, KITFS6523CAEEVM, and KITFS4503CAEEVM kit contents include:

  ?Assembled and tested evaluation boards/modules in anti-static bag

  ?Connector, terminal block plug, 2 pos., str. 3.81 mm

  ?Connector, terminal block plug, 10 pos., str. 3.81 mm

  ?Cable, assy, USB-STD A to USB-B-mini 3.0 ft.

  ?Quick start guide

  

  圖6.評估板FS45xx/FS65xx框圖

  

  圖7.評估板FS45xx/FS65xx電路圖(1)

  

  圖8.評估板FS45xx/FS65xx電路圖(2)

  

  圖9.評估板FS45xx/FS65xx PCB設(shè)計(jì)圖(1):頂層裝配圖

  

  圖10.評估板FS45xx/FS65xx PCB設(shè)計(jì)圖(2):底層裝配圖

  評估板FS45xx/FS65xx材料清單見:

  KITFS4503CAEEVM_BOM_Report.xls

  詳情請見:

  https://www.nxp.com/docs/en/product-numbering-scheme/FS6500-FS4500SDS.pdf

  和https://www.nxp.com/docs/en/user-guide/KTFS4500-FS6500UG.pdf

  FS6500-FS4500SDS.pdf

  KTFS4500-FS6500UG.pdf

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