【经验】圣邦微半桥MOS驱动器SGM48211用于通信服务器电源系统的开发经验分享

时间： 2023-03-24 来源：世强

技术问答

伴随着目前电子行业的飞速发展，为了更好提供大功率通信服务器电源，现在不少行业头部公司选用了圣邦微半桥MOS驱动器 SGM48211做为低压开关电源系统的MOS驱动来进行设计。本文针对SGM48211用于通信服务器电源系统的设计情况做下简单分析，希望对大家能有所帮助。

首先，SGM48211应用原理图如下所示，从原理图可以知道。SGM48211其内部集成了上下管MOS驱动，外部PWM信号给到芯片内部直接驱动MOS，可以有效减小MOS驱动设计难度，并且相比别家的MOS驱动来说，对EMI，EMC都是有很好的改善。另外，其芯片内部集成的有驱动欠压锁定，如果驱动电压低于规定的阀值，侧每个通道的驱动电压被强制拉低，从而有效保护MOS异常损坏。

由于MOS驱动电路结构都比较简单单一，工程师一般都是拿到手就用，但是还是有一些细节末支需要设计研发时留意：

1、正常工作状态下，MOS驱动器输出HO，LO，真值表遵循下图

2、芯片的设计范围，如下图：

3、PCB布局：SGM48211要尽可能靠近MOS，自举电容靠近IC引脚，芯片底部焊盘接地，可有效将热量传导出去，VDD走线要远离驱动引脚。

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SGMICRO（圣邦微）信号链和电源管理芯片选型指南

描述- 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.

型号- 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

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SGM DFAE Training Load Switch-OVP-Supervisor

型号- SGM2594CD,SGM48757,SGM48111,SGM8544,SGM853,SGM452,SGM450,SGM2564,SGM2522A,SGM2594BD,SGM812C,SGM2040-3.3,SGM48220,SGM836,SGM61220,SGM8773,SGM2591B,SGM8252,SGM2591C,SGM8770,SGM2591A,SGM4578,SGM2553,SGM2036,SGM2575A,SGM809B,SGM48017,SGM2592AD,SGM803B,SGM2580F,SGM259X 系列,SGM2580G,SGM2580D,SGM2580E,SGM61430,SGM2580K,SGM2580I,SGM2592C,SGM2580B,SGM2580,SGM2580C,SGM2592A,SGM8713A,SGM2592B,SGM2580A,SGM8713B,SGM3157,SGM2576B,SGM2588,SGM66051,SGM2207,SGM802B,SGM25701,SGM61280,SGM40642,SGM25661,SGM2572,SGM7220,SGM2571,SGM485211,SGM4995,SGM2574,SGM2210,SGM8958,SGM2576,SGM706B,SGM2212,SGM25701B,SGM8558,SGM72204,SGM7227,SGM8955,SGM25701A,SGM7229,SGM8956,SGM809,LM2904,SGM2591AD,SGM803,SGM804,SGM2592CD,SGM61135,SGM801,SGM802,SGM40666S,SGM2594A,SGM810,SGM2594B,SGM811,SGM41518,SGM41512,SGM2594C,SGM6602,SGM4027,SGM2521,SGM259X,SGM7200X,SGM2523,SGM2566B,SGM2522,SGM2566C,SGM3699,SGM2525,SGM2578A,SGM2566A,SGM2528A,SGM41511,SGM61020,SGM2592BD,SGM48541,SGM2590,SGM2592,SGM2591,SGM2594,SGM2593,SGM2596,SGM3206,SGM37892,SGM4535,SGM2567A,SGM811C,SGM2594AD,SGM851A,SGM851B,SGM2539,SGM708,SGM829,SGM41542,SGM41543,SGM42633,SGM827,SGM706,SGM828,SGM851C,SGM825,SGM61232,SGM826,SGM48211,SGM2591CD,SGM823,SGM824,SGM2572A,SGM40666AS,SGM2572B,SGM2584A,SGM2572C,SGM431,SGM460141,SGM2528B,SGM2528C,SGM2028,SGM3756,SGM810B,SGM2527,SGM2526,SGM48524D,SGM818,SGM816,SGM25062,SGM814,SGM2591BD,SGM815,SGM812,SGM8270N,SGM821,SGM8967-1,SGM40666BS,SGM8477,SGM41528,SGM8631,SGM708-S,SGM820,SGM708-T,SGM8197,SGM708-R,SGM8750,SGM4066X,SGM708-M,SGM6610,SGM708-L,SGM2531,SGM2521A,SGM2534,SGM708-J,SGM2533

商品及供应商介绍 - SGMICRO - 2023/3/25 PDF 中文下载

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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

对照表 - SGMICRO

【成功案例】基于MOSFET驱动器,SGM48000XTDE8G/TR的太阳能汽车充电控制器设计方案

新能源汽车发展如火如荼，对新能源汽车的充电有支流充电桩、交流充电桩、低端充电机等多种方式。本文介绍一种利用太阳能电池板给汽车电池充电的方案。SGMICRO的MOSFET驱动器SGM48000XTDE8G/TR在DC-DC设计中具有很好的优势，尤其是其TDFN-2×2-8L的封装，可以很大程度上节省空间，方便设计。

应用方案发布时间 : 2018-10-08

SGM48211 120V Boot, 4A Peak, High Frequency High-side and Low-side Driver

型号- SGM48211XPS8G/TR,SGM48211,SGM48211XS8G/TR,SGM48211XTGW8G/TR

数据手册 - SGMICRO - REV. A. 3 - MAY 2024 PDF 英文下载查看更多版本

SGM48211 高压半桥栅极驱动芯片共性问题及应对方案应用指南

型号- SGM48209,SGM48211 系列,SGM48211

应用及方案 - SGMICRO - REV.A - 2024 年 3 月 25 日 PDF 中文下载

SGMICRO马达驱动选型表

马达驱动器，双通道内置MOS，0-3.6A驱动芯片，PWN、EN、双通道等多种控制方式。

产品型号	品类	VCC Min(V)	VCC Max(V)	RMS Output Current(A)	Peak Output Current (A)	RDS(ON) (HS+LS) per Channel(mΩ)	Package
SGM4546	Motor Driver	4.5	26.5	0	2	0	TSSOP-16 (Exposed Pad) TDFN-3×3-14L

选型表 - SGMICRO 立即选型

【应用】 SGMICRO SGM4547高集成度驱动芯片在激光测距电路中的应用

在激光测试产品电路中，一般采用5V产品供电，而激光发射管的工作电压值一般在15V以上，所以大多工程师采用Boost电路将电压升至15V后再供给发射管使用，另外激光管的工作频率一般都将近100kHz，所以普通的MOS管难以完成这么快的开关工作，目前比较通用的方式是使用高频率的MOS管产品再增加一颗MOS管驱动器产品实现高速开关，这样整个产品的发射电路就需要三颗主要产品：Boost电源芯片、MOS管、

应用方案发布时间 : 2019-01-16

【应用】MOS驱动器SGM48017应用于智能照明，驱动峰值输出电流可达7.6A

智能照明中，推荐圣邦微的MOS驱动器SGM48017，支持4.5V至20V宽电压范围输入，IN-脚为PWM控制信号接入端，可以直接连接到Zigbee的信号输出，从而控制OUT的MOS驱动信号，上升和下降沿时间低至11ns，因此通过Zigbee的PWM控制，可实现人眼几乎无法察觉的无级调光，其驱动峰值输出电流可达7.6A，可以驱动MOS和IGBT，可根据调光的需求，设计为单路或多路带色温式调光方案。

应用方案发布时间 : 2020-07-02

SGMICRO栅极驱动器选型表

栅极驱动器，MOS、GAN、IGBT驱动芯片，同相或反相驱动，最大11A驱动电流，ns级别上升下降时间，车规认证。

产品型号	品类	Features	Output PeakCurrent(A)	VCC (Min)(V)	Rise Time(ns)	Fall Time(ns)	ICC(mA)	Package
SGM48002	Gate Driver	Inverting and Non-Inverting	2	4.5	12	13	1.19	SOIC-8 TDFN-2×2-8L

选型表 - SGMICRO 立即选型

【应用】GaN驱动器SGM48017助力激光雷达设计，传播延迟低于30ns，灌电流输出高达7.6A

本文重点介绍国产圣邦微（SGMICRO）的GaN驱动器SGM48017助力激光雷达发射链路中GaN的驱动设计，其是一款高速功率MOSFET/GaN栅极驱动器，具有保护功能，如过电压、热关机保护、欠电压闭锁和短路保护。

应用方案发布时间 : 2022-06-18

【方案】低成本智能扫地机器人测距模块优选元器件方案

描述- 智能路线规划机器人采用测距模块收集环境信息，包括激光、超声、红外等。激光测距方案采用激光收发对管和跨导放大器/驱动器的组合实现信号的收发处理，成本较高。本方案通过采用圣邦微公司的低成本高速运算放大器、Silicon Labs公司的高性能MCU及EPC公司的高性能eGaN MOS管，在保证产品测试精度和可靠性的前提下，削减产品设计成本，提升产品市场竞争力。

型号- EPC2036,SGM7SZ08,SGM6607,SGM7SZ04,SGM8061,SGM41285,SGM80582,TSX-3225,SGM8743,EFM32PG,RX8010SJ,SGM2019,SGM4547

优选器件方案 - EPSON,EPC,SILICON LABS,SGMICRO - V1.0 PDF 中文下载