【经验】电源管理芯片BD9571MWF中“芯片无法正常输出电源”问题的调试步骤详解

时间： 2019-09-29 来源：世强

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罗姆BD9571MWF是一款可应用于车载IVI应用的电源管理芯片，可完全适配瑞萨R-Car系列芯片的电源供电时序。本文介绍在调试罗姆BD9571MWF芯片时遇见的“芯片无法正常输出电源”这一问题的调试经验。

罗姆BD9571MWF的内部框图如下图1所示：

图1 罗姆 BD9571MWF电源管理芯片

在碰到上图所示输入电源电压3.5~5.5V正常情况下，而BD9571无任何输出，可以参照以下步骤进行调试测试：

1）首先和ROHM 的标准线路图核对，检查线路图有无错误。

2）断电检查各输出通道有无对地短路，或和周边铜皮短路的情况。

3）检查元器件是否有贴错，尤其注意检查OCP部分的器件，参数错误，会导致保护电路动作。

4）检查V3P3，是否有3.3V？如果没有，V3P3外围短路或PMIC可能被损坏。

5）检查复位脚（Pin68，RESETB）有没有上拉电阻，正常的情况，是先给BD9571 低电平复位，然后转为高电平，如果没有上拉电阻，会一直保持在低电平，BD9571维持在STB状态，除V3P3外，没有任何输出。

6）检查MRB=H，RSTM=L，SYNC=L为正常。

7）如果以上都没有问题，使用示波器检测各输出脚，当RESETB从L到H瞬间，是否各通道有输出然后转为无输出，如果有这种现象，代表某个输出通道有异常，导致保护电路动作。

8）若使用EEPROM进行配置，需要检查EEPROM的I2C配置是否正确。

综上，本次调试记录中，BD9571各通道在上电后有输出信号，而后迅速转为无输出，可判断是电路保护了。经逐一排查发现其中1个LDO触发了过压保护，导致BD9571无输出，符合以上第7点所述。

罗姆BD9571的特性是当其中任一个LDO或者DCDC通道保护，则整颗芯片进行保护措施，避免损坏芯片，在设计时需要注意排查可能存在的问题。

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DETECTOR,高效率36V耐压步进电机驱动器,ANALOG OUTPUT TEMPERATURE SENSOR IC,多功能单相全波风扇电机驱动器,FAST RECOVERY DIODES,汽车标准逻辑IC,贴片电阻,AUTOMOTIVE HIGH ACCURACY 12BIT A/D CONVERTER,MIDDLE POWER SCHOTTKY BARRIER DIODES,3-PHASE BRUSHLESS FAN MOTOR DRIVERS,WIRELESS CHARGER MODULES,汽车用单极霍尔IC,AUTOMOTIVE EEPROM,SUB-GHZ LSIS,汽车级EEPROM,AC VOLTAGE ZERO CROSS DETECTION ICS,LED数字显示器,汽车电池平衡集成电路,LOW VOLTAGE STEPPING MOTOR DRIVERS,RFID大规模集成电路,AUTOMOTIVE ISOLATED DC-DC CONVERTER ICS,PLUG & PLAY EEPROM,OMNIPOLAR DETECTION HALL ICS,比较器,语音合成LSI,WI-SUN COMMUNICATION MODULES,STANDARD LOGIC ICS,AUTOMOTIVE CELL BALANCE IC,LEDS,BOOST AND BUCK-BOOST CONVERTERS,POWER MANAGEMENT SWITCH,RESET ICS,场截止沟道IGBT,THREE DIGIT LED NUMERIC DISPLAY,视频开关,TRANSMISSION TYPE PHOTOINTERRUPTERS,复合视频放大器,标准单相全波风扇电机驱动器,光学传感器,LOGIC GATES,WITHSTAND VOLTAGE 1CH COMPACT HIGH SIDE LOAD SWITCH ICS,逻辑门,可编程伽马电压发生器,红色激光二极管,SMALL SIGNAL/MIDDLE POWER FAST RECOVERY DIODES,多光束激光二极管,ACCELEROMETERS,数字16位串行输出型彩色传感器IC,传感器LSI,2CH+COMPARATOR,降压转换器LED驱动器,分数脉冲速率转换器,高性能时钟发生器IC,GAMMA BUFFER AMPLIFIERS,STEPPING MOTOR DRIVER,COMPLEX BIPOLAR TRANSISTORS,低边开关,SMALL SIGNAL TYPE SCHOTTKY BARRIER DIODES,红外激光二极管,SPEECH SYNTHESIS LSIS,OPTO DEVICES,紧凑型高压侧负载开关IC,BLUETOOTH®模块,PMICS,电源监控IC,2-WIRE SERIAL INTERFACE LENS DRIVERS,多输出LDO稳压器,颜色传感器IC,DTC143TE3,KA2004-H05N20A,ML62Q20XX,RCJ220N25,SML-S13UT,DTC143TEB,RSX101VYM30,SML-D12M8W(C),SDR,R6002JND4,BD60A00NUX,RB238NS150,SML-D12Y8W,SMLA12BN8T,MG6405WZ,BDJ0GA3VEFJ-M,SML-811UT (A),SML-010VT,BD94130EFV-M,DTA124XM,BM2SC123FP2-LBZ,RS3L110AT,RB298T100,DTC143TCA,RSS060P05,BD71L4LG-1,SFR,BR25A512,RGPR20BM36HR,BD95821MUV,BD6995FV,KD2002-G0JB10A,BU23TD2W,SML-S13VT,BD12IC0WEFJ,BU97941FV,SLI-325YC(W),RQ5L015SP,BH7673G,SML-811UT (C),BD52XXG-2C,BD6046GUL,RGW60TS65HR,BD10KA5WFP,BA03CC0FP,SML-D12Y3W,BM6241FS,BD450S5FP2-C,MH2206WZ,BD63521EFV,BU94702AKV,SML-S13PT,RB168MM200,DTC144WCA,BD22621G-M,SLI-343URC,RS6R035BH,BDJ2FC0WFP,RGT20NL65,DTD123TC,DTA015TUB,BD750L5FP-C,BM521Q25F,R8003KNX,BD52XXG-1 SERIES,SML-D12D8W (C),DTA023YEB,UCR006,BD95514MUV,BD9S200MUF-C,SML-H10PD2B,DTD123TK,RFN6T2D,IMX25,BD80FD0WHFP,R6000ENH,SML-S13RT,BU64253GWZ,BD70GC0VEFJ-M,BD52XXG-2M,RBR2LAM30A,CSL0902DT (C),RBR5L30B,RBR5L30A,RSX501LAM20,RCX300N20,KD2003-F0FW00A,BH76363FV,RQ1E075XN,TFZV,RF4G060AT,BD83A04EFV-M,BV1LC085EFJ-C,BD10IC0WHFV,BU2394KN,BAXXBC0,SML-A12MT (J),BU4094BCF,KR2002-D06B71A,BD33C0AWFP2-C,ML86V76580,DTC114YEB,RQ5E020SP,BD63573NUV,DTA015TEB,BA90BC0,DTC114YE3,SML813BNT,BH1730FVC,DAN222WM,BD68888MUV,BM2P241W-Z,PML100,BU34DV7NUX,DTC143TKA,SCS220AJ,SMLK1,BD33GC0VEFJ-M,SCS220AG,R6511ENX,BDJ6FD0WHFP,SMLK18WBNCW,R6511ENJ,CSL0901UT (C),RX3L07BBG,QS8J2,RF305BM6S,SML-011VT (A),BH1603FVC,RS1E180BN,BD53108G-CZ,DTA124EEB,BD8317GWL,BD3508MUV,RB238NS100,BD950M5EFJ-C,BD450S2FP3-C,SML-S13YT,BD00FC0W,SML-010YT,DTA124EE3,BD50HC5VEFJ-M,BD60HA5VEFJ-,SML-H12D8T(C),BD81870MUF-M,RB168LAM-30,RFUH25TB3S,BD9B600MUV,DTD123YC,BM2P159PF,DTC024XUB,SML-P11DT (R),BD725L05G-C,DTA124ECA,RB168LAM-40,RSS065N06,DTD123YK,RH6E040BG,2SC2412K,BD25IC0V,BD25IC0W,BDJ2FC0W,LBP-602MA2,BD46EXX5G-M SERIES,FMY1A,BD7691FJ,BD82004FVJ-M,BDJ0GA3WNUX,BD450S5WFP2-C,SML-522MY8W,DAN222ZM,BM2P060MF-Z,RFS60TZ6S,DTC114YCA,RBR10BGE30A,RBR40NS60A,BH76809FVM,RRH100P03,SCT3105KL,DTC043ZEB,SCT3105KR,BD9060F-C,RQ6E080AJ,BA15DD0WT,RB168LAM-60,R6035KNZ4,DTC144EU3,2SA1037AK,RESD1CANY,DTC144EUB,SML-D13WW (C),BD2266G-M,DTC023EEB,SML-012PT (A),SML-S13DT,RBS1LAM40A,BD7690FJ,DTA143XCA,SMLP2,BSM180C12P2E202,RGTH60TS65D,BD50C0AFP-C,R6035VNX3,BD99950MUV,RE1J002YN,RF101LAM2S,BM61S41RFV-C,2SCR587D3,BD1HC500HFN-C,BU7205S,2SAR553P,BV1LE080EFJ-C,BV1LC150EFJ-C,SML-011DT,RS3E095BN,BD54105G-CZ,2SAR553R,RQ3E130BN,BU2FSA4WGWL,BD15HC5WEFJ,SML-812MT,DTA143XEB,BD9862MUV,BD52W03G-C,BD48W00G-C,DTA143XE3,SLI-325DU(W),LMR982,SLR343WBN2PT2□□□□□□,LMR981,BD37522FS,RB088BM150,RB088LAM100,2SAR552P,BD26503GUL,R8002KND3,2SCR512P5,QS8K2,BU7465S,RFNL15TJ6S,BD733L2FP-C,BD30KA5FP,LM8391EY,QS8J4,BD90C0AFP2-C,QS8J5,BD68710EFV,LB-402VN,BD50C0AWFP-C,BM1Z103FJ,2SAR554P,BD9060HFP-C,BC848BW,YQ30NL10SE,BR25G640,2SAR554R,RGTV80TS65,RB715FM-40,BD62120JEFJ,LB-402VD,RBR15BM30A,DTA124EKA,BA30JC5T,BA178M05FP,BD800M5WFPJ-C,SMLP2 SERIES,BD33IA5WEFJ,BAJ2DD0,2SCR523EBTL□□□,BDXXHC0WEFJ,DTB513ZM,RSDT27BM,SMLEN3WBC8W,BU33UV7NUX,SML-011UT(A),BU97550KV-M,RF101LAM4S,BM2P121X-Z,TE3004-TP1W00A,LBP-602MK2,RB078BM30S,BD8961NV,BD67173NUX,MG7901WZ,DTD123EK,SCS304AM,BU7461S,SCT3060ALHR,BD30FC0WFP,RB088LAM150,RGW00TS65DHR,YQ20BM10SD,RSS100N03,RQ6E045BN,2SAR552P5,BU7462S,RD3L220SN,BD7J101EFJ-LB,1SS390SMFHT2R,DTD123EC,DAN235FM,RFN2LAM6S,SCS215AJHR,BD65496MUV,KA2002-B05B70A,2SC5824,BU52272NUZ,2SC4102U3,BD9B300MUV,RB558WM,DTC114GU3,SML-D12Y1W,BU33SD2MG-M,RBQ15BM45A,BU7464S,BA178M18FP,RV3C002UN,BA178M05CP,SCS304AG,SLI-570 SERIES,BU29TA2W,SCS304AJ,SML-S13MT,BM63374S-VA,BM63374S-VC,RFN2LAM4S,BDJ0GA3V,BD49EXXG-M,BD3575YFP-M,BDJ0GA3W,BM2P13B1J-Z,BU32TD3W,DTA124EUB,RB168MM150,BA178M18CP,BD18IA5VEFJ-M,RB461FM,BU33SA4WGWL,BV1HLC45EFJ-C,DTA124EU3,SIR-56ST3F,BU18JA2VG-C,BD37068FV-M,RB162VAM-20,BU9794AKV,2SCR574D3,BU32TD2W,RGCL60TS60,BD9615MUV-LB,BM2P151X-Z,BD3814FV,LB-402MN,BD41041FJ-C,BD15GA3WNUX,LB-402MD,2SC5866,BU52077GWZ,SLI-343V8R,SML-D13WW (A),BD9573MUF-M,RB088BM100,BD18336NUF-M,SLA580ENT,VS14VUA1LAM,DTC043ZUB,MR7930,BD6326ANUX,SH2104WN,RSX101MM-30,SCT3030KLHR,BU7487,BU7486,BU7485,BU7481,UMZC6-8NFMFHT106,DTC144EE3,BD50GC0VEFJ-M,PMR18L,RD3R05BBH,DTC144ECA,MCR01,VS13VUA1LAM,MCR03,BD2200GUL,RS1E130GN,BD33GA5VEFJ-LB,BU7475,RQ6E030SP,BP3622,BD14210G-LA,BP3621,BSM180D12P3C007,BD63725BEFV,RBR5L40A,SML-Z14YT (A),BU7465,BA17815FP,BU7464,BU7462,BU7461,BU4051BCF,RCJ700N20,VS24VUA1VWM,BD00HC5VEFJ-LB,BD9408FV,BD00HA3VEFJ-LB,RX3P10BBH,KDZV SERIES,BU1ATD2WNVX,RB168MM100,BD8314NUV,BD9107FVM,BD34700FV,BD5466GUL,RF4E080BN,DTC144VCA,DAP202FM,SML-Z14YT (C),BA05CC0T,BA05CC0W,RF6G035BG,UT6KE5,SML-D13FW (C),BD60HC0VEFJ-M,BM2P134EF,BD00GA5VEFJ-M,BD30KA5WF,BU1JTD3W,BD60GA5VEFJ-LB,BD52XXNVX-2C,SML-D15YW (C),BM2P137TKF,MMBZ27VCLY,SML-811VT(A),BU90005GWZ,DTA123YM,RGWX5TS65D,LM358,ML62Q1714C,BA17815CP,BD16950EFV-C,KD3004-TQFW00A,RBR2LAM40A,DTC114WUA,BD33HA5WEFJ,BD00EA5W,UT6KC5,BD18340FV-M,LM324,ML62Q1713C,MCR10,RQ3G110AT,MNR12,MNR15,MNR14,2SCR586J,MNR18,SML-811VT(C),BM6242FS,BU28SA4WGWL,KA2003-B35N00A,MH2205WZ,RFS30TZ6S,LM339,LAP-601DB,BU7495,CSL1101WBDW,BD63536FJ,MNR02,QS6Z5,MNR04,STM 331U,BU1JTD2W,MC,大型打印机,COMPLEX LOGISTICS MANAGEMENT,USB数据记录器,DIGITAL VIDEO CAMERAS,EFT-POS TERMINALS,ELECTRONIC EQUIPMENT,LARGE-SIZED LABEL PRINTERS,CARDBOARD LABELS,摄像头,小型打印机,SINGLE LENS REFLEX,WRAPPING RIBBONS,名称标签,液晶面板,CONSUMER,压电致动器,RECEIPT PRINTERS,EFT-POS终端,热转印套印机,LABEL PRINTERS,CARRIAGE,高保真音频,LCD PANEL,打印机,ATMS,标签打印机,SLOT MACHINES,数字摄像机,LCD背光,远程控制应用,DDR SDRAM,工厂,标签编写器,ENVIRONMENT-FRIENDLY PACKAGING MATERIALS,房舍管理系统,日期代码标签,POWER SOURCE,PPC,LOGISTICS MANAGEMENT,汽车灯具,打印电子标签,RESISTIVE ELEMENT,电池管理系统,面板,AUTOMOTIVE PANELS,PIEZO ACTUATOR,PAPER FEED,LABEL WRITERS,电源控制,USB DATA LOGGERS,UNI-DIRECTIONAL VOICE COIL MOTORS,DSLRS,SLRS,VOICE COIL MOTOR,HIGH-SPEED PRINTING,POWER SUPPLY CONTROL,单向音圈电机,GAS WATER HEATERS,ECR打印机,存储标签,BMS,INDUSTRIAL EQUIPMENT,配送站点,CAR AUDIO,单反相机,PANEL,OUTDOORS,纸板标签,LARGE-SIZED PRINTERS,功率吸收器,客车厢,SMART POS PRINTERS,STEPPING MOTORS,食品加工场所,双向音圈电机,工业设备,AUDIO,数码相机,数码单反,HIGH FIDELITY AUDIO,DVCS,汽车,装配线,EFT-POS TERMINAL,高速打印,收据打印机,ENERGY SAVINGS PRINTERS,FOOD MEASURING INSTRUMENTS,照明,UNMANNED CASH REGISTERS,ADAS,高速标签打印机,PRINTER,BI-DIRECTIONAL VOICE COIL MOTORS,PIEZO ACTUATORS,DISTRIBUTION CENTERS,ECR PRINTERS,单镜头反射,POS终端,环保包装材料,POWER SINK,A/V EQUIPMENTS,DSC,视频,CAMERA,LBP,复杂的物流管理,老虎机,ELECTRONIC TAGS,NAME LABELS,HIGH-SPEED LABEL PRINTERS,PRINT ELECTRONIC TAGS,LOTTERY PRINTERS,A/V设备,电子设备,CIS,高速收据POS打印机,HIGH-SPEED RECEIPT POS PRINTERS,ASSEMBLY LINES,PRINT DATE CODE LABELS,HIGH-SPEED RECEIPT PRINTERS,户外,VIDEO,LCD BACKLIGHT,FOOD PROCESSING SITES,配送中心,食品计量器具,AUTOMOTIVE,消费,电阻元件,动力源,音圈电机,自动取款机,包装丝带,电子支付终端,连续打印,INDUSTRIAL,送纸,步进电机,CARDBOARD LABEL,RECEIPT PRINTING,FACTORIES,移动打印机,BARCODE LABEL PRINTERS,售票机,MOBILE PRINTERS,REMOTE CONTROL APPLICATIONS,独联体,LIGHTING,DATE CODE LABELS,物流管理,汽车面板,打印日期代码标签,DISTRIBUTION SITES,工业,无人值守收银机,DIGITAL CAMERAS,燃气热水器,SMALL LABEL PRINTERS,BATTERY MANAGEMENT SYSTEM,THERMAL TRANSFER OVERPRINTERS,硬纸板标签,条形码标签打印机,大型标签打印机,小型标签打印机,音频,AUTOMOTIVE LAMPS,STORAGE LABELS,高速收据打印机,SMALL SIZE PRINTERS,彩票打印机,TICKET MACHINES,收据打印,压电执行器,节能打印机,POS TERMINALS,电子标签,智能POS打印机,CONTINUOUS PRINTING,汽车音响

12.2023 - 选型指南 - 2024 Edition 代理服务技术支持采购服务

汽车应用手册

ROHM致力于汽车电子领域，提供高性能、高可靠性的半导体和电子组件。公司采用垂直整合的生产系统，确保产品质量和稳定供应。ROHM的产品涵盖从电阻到半导体、IC和模块的广泛产品线，专注于节能、小型化、安全和安全性。公司还提供设计支持和仿真工具，以优化电路配置和拓扑选择，满足客户的应用需求。

ROHM - POWER TRANSISTORS,LIN收发器,OP AMPS,通用集成电路,MULTIPLEXERS,MEMORY,LIN TRANSCEIVERS,小信号器件,LASER DIODES,WITHSTAND HALL SENSOR ICS,SMART LOW/HIGH SIDE SWITCH ICS,窗式电压检测器,SERDES IC,激光器二极管,OPTICAL SENSORS,快速恢复二极管,塞德斯集成电路,SIC SCHOTTKY BARRIER DIODES,POWER SEMICONDUCTORS,隔离式DC-DC转换器IC,传感器集成电路,ISOLATED GATE DRIVER,FLYBACK POWER SUPPLY,EEPROMS,ADAS电子控制单元,知识产权,BCM,晶体管,光电器件,CAN收发器,隔离型门极驱动器,ISOLATED GATE DRIVER IC,IPDS,SPEECH SYNTHESIS ICS,肖特基势垒二极管,OUTPUT DC-DC CONVERTER ICS,DATA CONVERTERS,TRANSISTORS,数据转换器,LOW OFFSET VOLTAGE HIGH ACCURACY OP AMP,SIC MOSFET,双极晶体管,CLOCKS,RESISTORS,LED DRIVERS,SHUNT RESISTORS,DISCRETE DEVICES,BIPOLAR TRANSISTORS,电阻器,耐受霍尔传感器IC,复位ICS,功率二极体,ISOLATED DC-DC CONVERTER IC,DC-DC CONVERTER ICS,电源管理集成电路,MOTOR DRIVERS,ADAS ELECTRONIC CONTROL UNIT,GENERAL PURPOSE ICS,放大器,INTERFACE ICS,HIGH VOLTAGE RESISTANCE CHIP,RESISTOR,SMART POWER SWITCHES,WIRELESS ICS,CAN TRANSCEIVERS,LED显示屏,电源模块,POWER ICS,并联电阻器,隔离门驱动器,时钟,SIC肖特基势垒二极管,高压电阻芯片,SIC MOSFETS,AMPLIFIER,SCHOTTKY BARRIER DIODES,DIODES,POWER MODULES,标准整流二极管,电流检测放大器,OPERATIONAL AMPLIFIERS,高压变频器,发光二极管,瞬态电压抑制器二极管,SMALL-SIGNAL DEVICES,CURRENT DETECTION RESISTORS,电动机驱动器,开关,小信号半导体,SHUNT RESISTOR,内存,功率半导体器件,门驱动器,HV CONVERTER,BODY CONTROL MODULE,CAN TRANSCEIVER,MCU,输出紧凑型超低静态电流LDO稳压器,低失调电压高精度运算放大器,SIC场效应晶体管,TRANSIENT VOLTAGE SUPPRESSOR DIODES,显示驱动器,功率晶体管,计时器,电动压缩机,LVDS INTERFACE ICS,SWITCHING REGULATORS,FAST RECOVERY DIODES,瞬态电压抑制器,无线集成电路,POWER DEVICES,SIC POWER MODULES,COMPARATORS,电流检测电阻器,智能低端/高端开关IC,ICS,车身控制模块,POWER MANAGEMENT ICS,OUTPUT COMPACT ULTRA-LOW QUIESCENT CURRENT LDO REGULATORS,多路复用器,动力装置,VOLTAGE DETECTORS,SIC MOSFET,输出DC-DC转换器IC,POWER SUPPLY ICS,CURRENT DETECTION AMPLIFIERS,TRANSIENT VOLTAGE SUPPRESSOR,EEPROM,ISOLATED GATE DRIVERS,WINDOW-TYPE VOLTAGE DETECTORS,接口集成电路,微控器,电压检测器,TIMERS,比较器,LVDS接口IC,SWITCHES,无源器件,线性调节器,功率半导体,ELECTRIC COMPRESSOR,开关调节器,MOSFETS,LED驱动器,RESET ICS,IGBT,STANDARD RECTIFIER DIODES,LDO,光学传感器,电源集成电路,POWER DIODES,MICROCONTROLLERS,SIC功率模块,PASSIVE DEVICES,语音合成集成电路,LED,集成电路,高速写入汽车EEPROM,SENSOR ICS,LED DISPLAYS,智能电源开关,MCUS,SMALL-SIGNAL SEMICONDUCTORS,反激式电源,运算放大器,CAN 收发器,OPTO DEVICES,分立器件,HIGH-SPEED WRITE AUTOMOTIVE EEPROMS,MOSFETS器件,分流电阻器,DC-DC变换器集成电路,DISPLAY DRIVERS,GATE DRIVERS,LINEAR REGULATORS,二极管,隔离式栅极驱动器IC,YQ10RSM10SD,BD52W04G-C,PSR SERIES,BD900N1W,BD5310XG-CZSERIES,YQ12RSM10SD,YQ15RSM10SD,SCT4062KW7HR,BR25H020,BR24H64,BD900N1G-C,YQ20BM10SD,BD9XXN1 SERIES,BD933N1,SCT4045DRHR,PSR400,BD5310XG-CZ,BD933N1WG-C,YQ3LAM10D,BD52W01G-C,SCT4026DEHR,SCT4062KRHR,BR25H128,BR25H010,BR25H1M,BR25H256,BD53103G-CZ,RB520ASA-30FH,BD950N1WEFJ-C,RB551ASA-30FH,BD53106G-CZ,BD950N1WG-C,BM2LE160FJ-C,BV1LE080EFJ-C,YQ2LAM10B,SCT4045DEHR,BD54105G-CZ,BR24H01,BR25H320,BM2LE250FJ-C,BR24H02,RGW00TS65CHR,BR24H04,YQ2MM10A,BR25H040,RB751ASA-40FH,BV1LE250EFJ-C,BR25H160,BR24H08,SCT4026DW7HR,YQ40NL10CD,BD52W03G-C,RB520ASA-40FH,SCT4045DW7HR,BD48W00G-C,RGW80TS65CHR,CISPR25,BD7XXL05G-C SERIES,BD53108G-CZ,BD54103G-CZ,BD52W06G-C,RB521ASA-30FH,BR24H512,BR24H256,BD900N1EFJ-C,RB550ASA-30FH,BR24HXXX-5AC,BR25HXXX-5AC SERIES,BD7XXL05G-C,BR24H1M,SMLVN6RGBFU,BD54102G-CZ,BD950N1,BD48HW0G-C,REFLED003-EVK-001,REFLED003-EVK-002,SCT4036KEHR,REFLED003-EVK-003,YQ8RSM10SD,BD9XXN1,REFLED003-EVK-004,YQ5RSM10SD,BR24H128,YQ3MM10B,YQ3RSM10SD,RB886ASAFH,BD53104G-CZ,YQ30NL10CD,BD52W05G-C,YQ SERIES,PSR,BD900N1WEFJ-C,BM2LEXXXFJ-C,YQ30NL10SE,BD733L05G-C,SCT4062KWAHR,BD933N1WEFJ-C,YQ30NL10SD,BD54107G-CZ,BD950N1W,BD725L05G-C,BM2LE040FJ-C,BR24H16,BD933N1W,BD730L05G-C,BD750L05G-C,BD900N1,BD933N1G-C,PSR350,REFRPT001-EVK-001,BD52W02G-C,SCT4036KRHR,BR25HXXX-5AC,BR25H512,BD933N1EFJ-C,BD950N1EFJ-C,BM2LE080FJ-C,BR25H640,BD53105G-CZ,BR24HXXX-5AC SERIES,BR25H080,PSR100,BV1LEXXXEFJ-C SERIES,BD950N1G-C,PSR500,YQ2VWM10B,YQ20NL10CD,LMR1901YG-M,RGW60TS65CHR,BD5410XG-CZ,SCT4062KEHR,BV1LE040EFJ-C,YQ1VWM10A,BD54104G-CZ,YQ60NL10CD,BD900N1WG-C,BD9S402MUF-C,SCT4045DWAHR,YQ20NL10SE,BV1LE160EFJ-C,YQ20NL10SD,BM2LEXXXFJ-C SERIES,BD53107G-CZ,BR24H32,YQ5LAM10C,YQ5LAM10D,YQ5LAM10E,SCT4026DRHR,PSR330,SCT4026DWAHR,BV1LEXXXEFJ-C,BD5410XG-CZ SERIES,ADAS摄像系统,高级驾驶员辅助系统,前灯,AUTOMOTIVE POWER SUPPLIES,阿德,ADAS,HEADLAMPS,DASH CAM,HUD,信息娱乐设备,DASHBOARD CAMERA,HEAD-UP DISPLAY,自动驾驶,汽车内饰,仪表盘摄像头,汽车背光应用,ONBOARD CHARGER,AD,ADAS激光雷达,DASHBOARD CAMS,DRIVE RECORDERS,ADVANCED DRIVER ASSISTANCE SYSTEMS,FRONT LIGHT,ADAS CAMERA SYSTEM,AUTOMOTIVE BACKLIGHT APPLICATIONS,驱动记录器,后灯,INDUSTRIAL EQUIPMENT,仪表板凸轮,AUTONOMOUS DRIVING,INFOTAINMENT DEVICES,REARLAMPS,ADAS LIDAR,REAR LIGHT,前照灯,汽车市场,行车记录仪,AUTOMOTIVE MARKETS,工业设备,平视显示器,汽车电源,AUTOMOTIVE INTERIORS

04.2024 - 应用笔记或设计指南 - Ver. 3.0 代理服务技术支持采购服务

用于汽车r-Car系列的BD9574MWF-M电源管理IC

BD9574MWF-M是一款专为车载信息娱乐系统（IVI）、仪表盘面板和高级驾驶辅助系统（ADAS）设计的汽车级电源管理集成电路（PMIC）。该芯片具有可定制的上电/掉电序列和控制状态、低功耗控制逻辑，内置过压保护等功能。

ROHM - PMIC,电源管理IC,POWER MANAGEMENT IC,POWER MANAGEMENT INTEGRATED CIRCUIT,电源管理集成电路,BD9574MWF-ME2,BD9574MWF-M,INSTRUMENT CLUSTER PANEL,IN-VEHICLE INFOTAINMENT (IVI) SYSTEMS,仪表组面板,高级驾驶员辅助系统,车载信息娱乐（IVI）系统,ADVANCED DRIVER ASSISTANCE SYSTEMS,ADAS

17.Dec.2019 - 数据手册 - Rev.001 代理服务技术支持采购服务

【应用】可支持多达16节电池的电池管理芯片ML5238用于工业电源，静态电流仅100μA

针对工业电源，客户需要选一款可以支持16节电池的模拟前端IC，我们推荐了这款罗姆（ROHM）的电池管理芯片ML5238，可满足客户的选型需求。ML5238具有电池电压监测、充放电电流监测功能，可检测每个电池单元的过充放电过电流。

2022-01-19 - 应用方案代理服务技术支持采购服务

REF66012 – 参考设计 ADAS SoC用 PMIC解决方案

本资料介绍了ROHM公司为ADAS SoC设计的PMIC（电源管理集成电路）解决方案。方案包括BD96801Q09-CE2四通道DC-DC转换器和BD9S303MUF-CE23A同步降压转换器，旨在提供高效率和高可靠性。该方案适用于智能前视摄像头（IFC），集成200万像素摄像头和多毫米波雷达，支持L2级前向ADAS功能。它采用Horizon Journey2芯片和Infineon TRAVEO II系列CYT4BF微控制器，实现AEB、ACC等功能。此外，还提供了详细的规格和应用说明。

ROHM - PMIC,DC-DC转换器,BD96801Q09-CE2,BD9S303,BD9S303MUF-CE2,BD96801Q09,BD96801,BD9S303MUF,高分辨率摄像头,智能前视摄像头,ADAS

Mar.2024 - 应用及方案 - REV.001 代理服务技术支持采购服务

【产品】VCOM输出电流200mA的汽车级电源管理芯片BD81842MUV-M，专为车载TFT-LCD面板设计

BD81842MUV-M是由ROHM公司推出的一款全新电源管理芯片，主要是应用在使用TFT-LCD面板的相关产品中，典型的有车载导航仪面板，车载中央控制面板，汽车仪表面板等。该芯片一经推出，便广受市场的好评与赞誉，被多款车载产品选用，使用效果良好，市场前景广大。

2018-11-15 - 新产品代理服务技术支持采购服务

Rohm汽车应用手册

本资料介绍了罗姆半导体集团在汽车电子领域的应用和解决方案。内容包括罗姆的垂直统合型生产体制，以确保产品质量和稳定供应；丰富的产品阵容，涵盖功率半导体、模拟半导体、IC、模块等，满足不同汽车应用的系统级解决方案；以及针对不同开发阶段的在线设计支持和仿真工具。此外，还强调了罗姆在xEV、Body ECU、ADAS/Infotainment、LED Lighting等领域的具体产品和技术优势。

ROHM - 保护智能低压/高压侧开关IC,SIC 功率模块,LED 显示器,瞬变电压,LED 驱动器,小信号元器件,SERDES IC,快速恢复二极管,塞德斯集成电路,IC,MEMS,DC-DC 转换器,SIC 肖特基势垒二极管,ISOLATED GATE DRIVER,FLYBACK POWER SUPPLY,EEPROMS,知识产权,晶体管,隔离型门极驱动器,IPDS,多路转换器,无线 LSI,肖特基势垒二极管,数据转换器,TRANSIENT VOLTAGE,SIC MOSFET,双极晶体管,RESISTORS,SHUNT RESISTORS,电阻器,BIPOLAR TRANSISTORS,复位ICS,激光二极管,语音合成 LSI,传感器IC,功率元器件,模块,HIGH VOLTAGE RESISTANCE CHIP,并联电阻器,隔离门驱动器,高压电阻芯片,SIC MOSFETS,抑制二极管,微机电系统,SCHOTTKY BARRIER DIODES,DIODES,标准整流二极管,电流检测放大器,OPERATIONAL AMPLIFIERS,发光二极管,显示器驱动程序,瞬态电压抑制器二极管,POWER STAGE,小信号半导体,栅极驱动器,开关,CURRENT DETECTION RESISTORS,存储器,LVDS 接口 IC,传感器,CAN TRANSCEIVER,INTERFACE,SIC场效应晶体管,电源管理IC,TRANSIENT VOLTAGE SUPPRESSOR DIODES,RESET ICS,光学元器件,功率晶体管,照度传感器,PROTECTION SMART LOW/HIGH SIDE SWITCH ICS,SWITCHING REGULATORS,微控制器,COMPARATORS,电流检测电阻器,驱动器 IC,视频,功率级,功率IC,SIC MOSFET,CURRENT DETECTION AMPLIFIERS,EEPROM,ISOLATED GATE DRIVERS,电源 IC,复位 IC,SUPPRESSOR DIODES,电流和电压检测,比较器,半导体元件,无源器件,功率半导体,线性调节器,开关调节器,CURRENT AND VOLTAGE SENSE,MOSFETS,电机驱动器,通用IC,接口,IGBT,STANDARD RECTIFIER DIODES,分立式元器件,LDO,DC-DC 转换器 IC,LED,音频,集成电路,反激式电源,CAN 收发器,运算放大器,SI-MOSFET,时钟计时器,智能开关,MOSFETS器件,LIN 收发器,功率二极管,IPD,二极管,LINEAR REGULATORS,YQ10RSM10SD,BD52W04G-C,MCR01MZPF4302,BD900N1W,YQ12RSM10SD,YQ15RSM10SD,MCR01MZPF4702,SCT4062KW7HR,BR25H020,BR24H64,RB088LAM-60TF,YQ20BM10SD,BD933N1,SCT4045DRHR,PSR400,BD9P205EFV-C,MCR01,BD5310XG-CZ,LTR18,YQ3LAM10D,BD52W01G-C,SCT4026DEHR,SCT4062KRHR,BR25H128,BR25H010,BR25H1M,BR25H256,BD53103G-CZ,RB520ASA-30FH,RB551ASA-30FH,RB088LAM-60TFV,BD53106G-CZ,BM2LE160FJ-C,BV1LE080EFJ-C,YQ2LAM10B,SCT4045DEHR,BD54105G-CZ,BR24H01,MCR01MZPJ000,BR25H320,BM2LE250FJ-C,BR24H02,RGW00TS65CHR,BR24H04,YQ2MM10A,BR25H040,RB751ASA-40FH,BV1LE250EFJ-C,BR25H160,BR24H08,SCT4026DW7HR,YQ40NL10CD,BD52W03G-C,RB520ASA-40FH,SCT4045DW7HR,BD48W00G-C,RGW80TS65CHR,LTR18 SERIES,RD3G04BBJFRA,MCR10 SERIES,BD53108G-CZ,BD54103G-CZ,BD52W06G-C,RB521ASA-30FH,BD63800MUF-C,BR24H512,BR24H256,MCR03EZPF4700,RB550ASA-30FH,SML-D12D1WT86,BR24HXXX-5AC,BD7XXL05G-C,SMLVN6RGBFU,BD54102G-CZ,BD950N1,BD48HW0G-C,REFLED003-EVK-001,REFLED003-EVK-002,SCT4036KEHR,BD9XXN1,REFLED003-EVK-003,YQ8RSM10SD,REFLED003-EVK-004,YQ5RSM10SD,BR24H128,MCR01MZPF1502,YQ3MM10B,YQ3RSM10SD,RB886ASAFH,BD53104G-CZ,YQ30NL10CD,BD52W05G-C,PSR,BM2LEXXXFJ-C,YQ30NL10SE,BD733L05G-C,SCT4062KWAHR,YQ30NL10SD,BD54107G-CZ,SML-D12FWT86,BD950N1W,BD725L05G-C,BM2LE040FJ-C,BR24H16,BD933N1W,BD730L05G-C,BD750L05G-C,RQ3L120BKFRA,BR24H1,BD900N1,PSR350,MCR10,BD52W02G-C,SCT4036KRHR,BR25HXXX-5AC,BR25H512,BM2LE080FJ-C,BR25H640,BD53105G-CZ,BR25H080,PSR100,BD82A26MUF-M,PSR500,YQ2VWM10B,YQ20NL10CD,LMR1901YG-M,RGW60TS65CHR,BD5410XG-CZ,SCT4062KEHR,BV1LE040EFJ-C,BD9P105EFV-C,MCR01MZPF1002,YQ1VWM10A,BD54104G-CZ,YQ60NL10CD,BD9S402MUF-C,SCT4045DWAHR,YQ20NL10SE,BV1LE160EFJ-C,MCR01MZPF8201,YQ20NL10SD,BD53107G-CZ,BR24H32,YQ5LAM10C,YQ5LAM10D,YQ5LAM10E,SCT4026DRHR,PSR330,SCT4026DWAHR,BV1LEXXXEFJ-C,MCR01 SERIES,ADAS电子控制单元,汽车,车头灯,主驱逆变器,ADAS 摄像头系统,IT设备,ADAS声纳,电动压缩机,ADAS ECU,OBC,车载充电器,HUD,车身控制模块,ADAS SONAR,牵引逆变器,CID,仪表盘摄像头,DASHBOARD CAMERA,ADAS激光雷达,消费电子设备,组合仪表,中央信息区,车尾灯,ADAS LIDAR,行车记录仪,ADAS RADAR平视显示器,工业设备,平视显示器

2024/4/19 - 应用及方案 - Ver.3.0 代理服务技术支持采购服务

【产品】待机电流0μA的双通道同步降压转换器BD93291EFJ，低功耗应用的理想选择

BD93291EFJ是ROHM公司推出了一款双通道同步降压转换器，其采用了一种命名为H3RegTM的新技术（一种Rohm专有的控制方法），有助于通过超高瞬态响应来应对负载变化；集成了SLLM（简单轻载模式）技术，可在为较轻负载供电时提高效率。为了起到保护作用和易于使用，该芯片还具有软启动功能。主要应用于分布式电源系统和线性稳压器预调节器等领域。

2018-11-26 - 新产品代理服务技术支持采购服务

【产品】充电电压精度高达±0.5％，支持NVDC模式的电池充电芯片BD99950MUV，笔记本电源管理的最佳选择

罗姆(ROHM)株式会社是全球最知名的半导体厂商之一，由其推出的BD99950MUV电池充电芯片是一款高效、同步窄电压直流（NVDC）系统稳压器和电池充电器控制器，其内置两个分别驱动N沟道MOSFET的电荷泵，可用于自动选择系统电源，非常适用于超极本、笔记本电脑、超便携电脑和平板电脑等应用领域。

2018-09-20 - 新产品代理服务技术支持采购服务

BD71850MWV电源管理集成电路数据表

BD71850MWV是一款可编程电源管理集成电路（PMIC），专为单核、双核和四核SoC设计，如NXP-i.MX 8M Nano。它优化了低物料清单成本和小型解决方案尺寸。该芯片集成了6个降压稳压器和6个线性稳压器（LDO），为SoC及其常用外设提供所需的全部电源轨。

ROHM - PMIC,可编程电源管理IC,POWER MANAGEMENT INTEGRATED CIRCUIT,PROGRAMMABLE POWER MANAGEMENT IC,电源管理集成电路,BD71850MWV-E2,BD71850MWV,平板计算机,DONGLES,PANEL COMPUTER,工业HMI,WIRELESS SOUND BARS,INDUSTRIAL HMI,STREAMING MEDIA BOXES,AV接收器,工控机,SBC,AV RECEIVERS,流媒体盒子,IPC,洞,无线条形音箱

16.Mar.2020 - 数据手册 - Rev.002 代理服务技术支持采购服务

【产品】用于电池供电系统的BD71815AGW电源管理芯片，关断电流典型值20μA

全球知名的半导体厂商罗姆(ROHM)公司推出了一款用于电池供电系统的BD71815AGW电源管理芯片。内部集成了5个降压转换器、8个LDO、一个LED升压驱动器和一个500mA单节线性充电器。具有低的关断电流，关断电流的典型值为20μA，可在-40°C至+ 85°C的温度范围内正常工作。主要应用于电子书阅读器，具有智能设备、可穿戴设备的媒体播放器以及具有家庭POS、人机界面的便携式导航设备等领域。

2018-10-19 - 新产品代理服务技术支持采购服务