【产品】集成boost升压和电流镜功能的DC/DC电源芯片SGM41282C,宽电压输出范围5~70V


SGMICRO(圣邦微)的DC/DC电源芯片SGM41282C集成了一个升压转换器,可产生高达70V的稳压输出;一个具有跟踪和保持输出缓冲器的1×/ 8×双增益电流镜,其独特之处在于可通过带有常规分辨率ADC的MCU简化光纤模块电路设计。其精确的过流保护功能能够在更高的灵敏度和更稳健之间进行权衡。SGM41282C采用绿色环保TQFN-3×3-16L封装, 它在-40℃至+ 85℃的环境温度范围内工作。
图1 典型应用电路
特征
●输入电压范围:2.8V至5.5V
●宽输出电压范围(VIN + 5V)至70V
●850kHz开关频率
●1:30输出电压的程序设计
●可调精度,过电流保护
●内部1×/ 8×双增益电流镜
●高达2.5V的电压缓冲器,可提供满量程输出电流
●关断电流小于1μA
●全链电路:偏置镜跟踪/保持
●替换* 15059 / * 3430 + * 3923
●采用绿色环保TQFN-3×3-16L封装
●-40℃至+ 85℃的工作温度范围
应用
带APD光子传感器的光纤模块
激光束探测器(LIDA)
绝对最大额定值
订购信息
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SGMICRO(圣邦微)信号链和电源管理芯片选型指南
SGMICRO specializes in high-performance and high-quality analog and mixed-signal integrated circuits, and is committed to building a comprehensive portfolio of the highest quality analog and mixed-signal integrated circuits to address all customer needs.
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MNQ40430,SGM,VIRTUAL 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SGM41282C Input Voltage Range 2.8V to 5.5V, Available in a Green TQFN-3×3-16L Package
The SGM41282C integrates a boost converter for generating up to 70V regulated output, a 1×/8× dual-gain current mirror with a track and hold output buffer, which is unique to simplify the fiber module circuit design due to the use of low resolution ADC. The SGM41282C is available in a Green TQFN-3×3-16L package.
【经验】如何实现低成本隔离电源设计?
专用于隔离电源设计的SGMICRO DC/DC转换控制器芯片SGM46000,可解决隔离电源设计复杂度较大、设计成本比较贵、体积比较大等问题。
【经验】DC/DC转换芯片SGM6607替代TPS6104设计的可调电源模块,输入3V到20V电压,输出最高38V电压
对研发人员来说电源是不可或缺的工具,常用的低电压等级有3.3V、5V、9V、12V、24V,针对不同电压等级芯片需要采用不同的电源。笔者基于世强代理的圣邦微电子有DC/DC转换芯片SGM6607制作的可调电源模块可以输入3V到20V电压,输出最高38v电压,可以满足绝大部分低电压等级的需求。
SGM41282CYTQ16G/TR PCBLIB&SCHLIB&INTLIB
SGMICRO - 精密保护APD偏压双增益跟踪/保持电流镜,PRECISION PROTECTION APD BIAS DUAL-GAIN TRACK/HOLD CURRENT MIRROR,SGM41282CYTQ16G/TR
【应用】国产DC/DC降压芯片SGM6132用于USB HUB小板电源转换电路,驱动电流3A保证外设正常工作
本文主要介绍了一款一体机产品通过使用圣邦微电子的DC/DC降压芯片SGM6132实现12V到5V的电压转换功能,其电流驱动能力达到3A,开关频率为1.4MHz,样板配合USB显卡和USB摄像头进行长时间烤机测试,产品运行稳定、可靠。
SGMICRO-TI/ADI/MAXIM/MPS/SILERGY/ST等信号链电源芯片对照表
描述- 圣邦微SGMICRO与TI/ADI/MAXIM/LT/Onsemi/ST/Microchip/Nexperia/MPS/TOSHIBA/ROHM/RICHTEK/SILERGY/ABLIC/Renesas/Diodes/NXP/NJM/Infineon/Allegro 等品牌的信号链、电源芯对照表。
型号- SY8388,SN74HC541,A3981,IR44273,74AVC8T245Q,TS3A24159,TS3A24157,FAN3100,SLG88103,ADA4622-2,SLG88104,ADA4622-1,SGM2560,NA199,SGM2564,TSL6002,LMR23620,SGM48017C,LM431,FAN49103,MAX4282,SGM61220,BD9A201,74HC595,TLV3542,TLV3541,TS3A4751,TLV522,LMR23630,FAN53611,TC7SZ14FU,74LCX04,NCS21803,HCF4051,NCS21801,HCF4052,74LCX08,HCF4053,TSC214I,TLV3544,LMP2022,TSB611,NL27WZ04,SGM2588,FAN53601,SN74HC573,SN74HC574,INA333,TSU101,TSC213I,TSU102,NTMFS4C10N,UCC27531-Q1,TSU104,RT8293,74HC573,74HC574,SGM621,RT8290,SGM41600,TSB621,SGM620,SGM2572,SGM41603,SGM2571,SGM2576,SGM2575,SGM2578,SGM8T245S,RT8296,NL17SG07,SGM8557-1,TSU111,SGM8557-2,TSU112,ESD103-B1-02,INA321,TLV2242,TLV2241,SGM2205-12XK3G,ISL28118,OPA2277,BU30TD2,LM5109,BQ25619,SGM48013C,BQ25618,INA317,BQ25611,SGM62110,SGM62112,FSA4157,TPS76933,SGM2593,XB6091IS,BQ25601,TPS76950,BQ25600,SGM61230,TXS0104,TXS0102,SGM61232,SGM61234,TLV8801,TXS0101,SGM61233,74HC123,SGM5349-16,TLV62084,SGM431V,LTC2054,TPS51200,LTC2050,TLV8812,TLV8811,SGM61235,TLV8802,RT8253,BD9D323,BD9D322,AD5541,PMPB27EP,TPS54302,SGM4553YXET,LM7322,SGM8706,LM7321,SGM8707,SGM8701,MAX4664,LPV7215,SGM12UB1D2,AP2191,SGM3001,SGM42513,74LVC245A,SGM3005,TPS61099,SGM3002,SGM8276-2,TPS7A8300,SGMOP17C,TPS2553,ISL28130,TPS2556,TPS2557,SGM42403Q,SGM42553,BD6222,SGM8255B-2,ISL28134,74AHC1G08GV,TPS2551,74HC165,SGM62116,SGM62118,SGM62117,TPS3852-Q1,MAX4684,74HC164,AP2172,A3916,AP2171,TPS560430,A3918,BQ25638,SGM8709,U74LVC126,MP8676,SGM61280,MCP6V16,SGM42544,NCP718,LMX331,LMR36520,LM27761,TC7SZ32FU,SN74LVTH162373,ADM708,ADM707,SGM38042,SGM38046,TPS54340,MAX4230,TPS3823,LM2904,TC74VHC138,LM2902,LM2903,SGM8740,SGM2077A,SGM8742,SGM2077B,SGM8743,PESD5V0F1BSF,SGM41515A,MIC5209,LPV802,LPV801,SGM8748,SGM8749,NLAS44599,TPS54336,SGM40666A,SGM8746,TC74VCX16245,TPS54331,74LCX32,TPS54335,SGM41513D,SGM41513A,MCP6406,FTL75939,OPA548,SGM8957-1,MCP6402,SGM8957-2,TLV6208,SGM5223,MAX4232,TC74LCX16244,MAX4231,TPS3808,SN74LVC2T45,OPA2333P,MAX4236,SGM8551XN,TPS3840,TPS54320,SGM48018C,OPA990,RT4730,SGM41512A,SGM8745X,SN74AHC1,MAX9938,74LVTN16244,74LVTN16245,LPV821,SGM48019C,MCP6V52,MCP6V51,RT4723,OPA2210,TLV755P,SN74AC244,MCP6V54,AW2027,SGM8604-2XTDU8G,SGM8750,LPV812,LPV811,AD8534,SGM41283,SGM5353-16,AP2120,AD8539,AD8538,74LVC125,MCP6V69,74LVC126,SGM41285,DRV8313,MCP6V67,SN74LVC2G66,SGM7SZ244S,CAT4104,TS321,SGM8429C-4,AD5593R,SGM61430A,MP28373,MP5121,TMP108,74LVT16373,SGM8304,MAX40078,AD8541,74LVT16374,MCP6442,TMP103,TMP102,MP9943,MP9942,AP2112,MCP6V79,NCV890100,SGM13003A,MCP6V76,STSPIN250,MCP6V77,74LVTH125,SGM8770,AP2114,SGM38042B-1,LM2841,AD8513,AD621,AD620,NCS20034,SGM65230,NCS20032,AD623,AD8515,SGM65231,AD627,TC7SPN334,SGM13002A,SGM8477-1,SGM2035C,SGM41291,SGM2036S,MCP6V96,TUSB320,74LVC138,SGM7SZ245S,SGM8958-2,SGM41296,SN74CBT3245,MP9928,SGM41298,SGM8958-1,SGM6132,MAX4736,SGM6130,AD8532,AD8531,MAX4730,TPS3422,SGM833A,MCP6472,SGM833B,TLV1702,SGM7SZ32,SQ27403,MC74LVC74,TPS3420,TPS3421,TP2011,SGM2037H,MUX36S08,BISS0002,MC74AHC08,74LVC373A,TPS2595XXDSG,MCP6001,TPS3895,AD8502,TPS3896,TPS3897,AD8500,MCP6002,TPS3898,AP2151,SGM41282C,TPS3899,AD8506,AD8505,TLV7021,SGM832A,TP2025,MC33074,TP2021,MCP6004,MCP6006,LT7183,74LVC374A,AP2141,SN74LVC2G04,MCP6492,74LVC1G126,74LVC1G125,SGM48535B,SGM7SZ14,SGM48535A,SGM48752X,TPS2596,BU28TD2WNVX,AS179,XC6201,SGM15CB1A4,XC6206,TC7WZ04,SN74LVC2G14,MCP6022,SGM2210P,SGM7SZ08,MCP6024,SGM834A,SN74LVC2G17,MCP6021,SGM834B,SGM7SZ04,MP2497,SGM7SZ00,IRL44273LPBF,SGM48753X,SGM48754X,AD5592R,TLV61046A,TPS7A8400,SGM48753,SY8301,SGM48754,SQ24335,SGM2211S,SGM48757,ISL21080,SGM48759,SY8303,MCP6032,MCP6031,SGM48751,SGM48752,SGMNQ07430,SGM61720,TSV911,TSV912,TSV914,SN74AVC16T245,MP2490,SGM05UB1B3,LPV324,OPA4379,OPA4374,HD3SS3412,MCP6044,OPA4376,OPA2192,MCP6041,74VHC244,LMR16030,74AHCT595,APD7118,OPA2197,TPS62730,MCP6042,OPA2196,SN74AVC8T245,SN74LVC157,OPA2191,ADG509,ADG508,SGM8478-1C,FSA2457,TMUX415,TC7SZ00,LM1117,AD8599,TPS62743,TSV6192,SN74LVC125,SGM706S,SN74LVC126,RT6160,TPS76901,TC7SZ07,SGM2564A,TLV707P,NTMFS4C06N,MP2451,TS393,LMH6643,TC74VCX164245,SN74LVC138,SGM48760,SGM25662,MIC708,MCP6061,MP2460,LME49726,RT6150,MIC706,SN74AHCT86,MCP6074,TC7SH125F,STSPIN220,APD196,SGMOP07,74HC541,TC7SET08,LMC7211,BQ25890H,MAX706,MAX9119,MAX708,MCP6071,SGM2566C,74AHC573D,TC7SZ32,BU33TD2,74LVC157,YDA145,BD9G341,SGM2567S,NJMOP2277,INA828,LPV358,NCP382,NE5532,SGM2217Q,LMG1025-Q1,NCV6324,SGMNQ40430,NCV6334,SGM48536BQ,SGM21102G,74AHCT86,BGA524N6,SGM21102C,FSA2466,SGM21102B,INA818,SGM21102A,SGM05FB1E2,SN74AHC244,TLV74118,TC7SZ32F,NC7WZ04,74AVC8T245BQ,TSV991,TSV992,TSV994,SGM3851A,SGM48536CQ,TC913,74AHC244,AD8571,74AVC2T45,SGM2521A,TLV74128,SN74LVC541,AZ1117,LMV881,BU28TD2,MAX14589,TLV2316,SGM61330,SGM724,TS5V330,SGM5209-14,74LV541A,SGM3758,NJU7076,MAX4163,MAX4162,PESD15VW1BCSF,TLV74133,TPS25921A,OP213,TLV74130,SGM722,TLV2333,SGM723,SGM721,SGM8610-2,NLAS3899,OPA2140,EL5420,MAX4174,MAX4173,SGM15UB1E2,TC7SH126FU,SGM41100A,SGM61310,SKY13351,A4980,SGM41100V,SGM61306,SGM61305,SGM61308,SGM61307,SGM8262-2,TC7PZ14,SGM3795,74LCX126,74LCX125,74LVC541A,SGM3799,SA4159
【经验】DC/DC降压电源芯片SGM6012输出波形异常分析解决
在某客户的路由器产品中使用了圣邦微的DC/DC降压电源芯片SGM6012,输出电压值1.22V,给DDR供电,用示波器测试输出波形,交流模式下,测试输出波形的峰峰值高达71mV,如图2所示,且观察波形尖峰的频率在10kHz左右,与SGM6012工作频率1.6MHz并不相同。本文讲述如何分析该异常现象和解决方法。
国产高性价比升压DC/DC SGM41285,可pin2pin替换MAX15059,成本降低30%
在100G QSFP光模块中,APD在工作时需要30-60V的反向电压,需要用到输出电压较高的DC/DC芯片,并且对DC/DC的响应速度、功耗、效率等参数要求非常高,因此为APD提供偏置电流的电源(DC/DC)是非常重要和关键的。国产圣邦微DC/DC升压变换器SGM41285,在功能、性能、价格、交期等方面表现优秀,完全可以PIN2PIN替换MAX15059。
具有高电流双向DC/DC转换器和电容器测量功能的SGM41664高效I²C备用电源管理器
SGM41664是一款具有高效双向同步降压/升压转换器和电容测量能力的可编程电源管理集成电路。它适用于需要备用电源或储能能力的应用,例如固态驱动器(SSD)。该芯片支持宽输入电压范围,最高充电电压可达36V,并具备高电流双向DC/DC转换功能。
SGMICRO - 可编程电源管理IC,高效I²C电源备份管理器,PROGRAMMABLE POWER MANAGEMENT IC,EFFICIENT I²C POWER BACKUP MANAGER,SGM41664XTRQ25G/TR,SGM41664,固态驱动器,固态硬盘,SSD,SOLID-STATE DRIVERS,POWER BACKUP SYSTEMS,备用电源系统
基于非同步降压型DC/DC调压器SGM6232的电源设计方案
SGMICRO SGM6232是一种采用电流模式非同步降压型拓步结构和片内集成功率型MOSFET的DC/DC调压器。具有周期轮询限流检测功能、过热保护功能和软启动功能,以及可以规避由于输入电压不稳带来的系统误操作的欠压锁定功能。用于实现限制浪涌电流或输出电压的过冲。带散热焊盘的SOIC-8封装,可以极大改善整个芯片的散热能力。
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