【应用】3通道电流调节RGB LED驱动器SGM31323用于LED全彩RGB区块链灯，停机电流＜1μA

时间： 2023-03-11 来源：世强

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全彩区块链漫反射LED灯具随着技术的发展，已经广泛应用于广告照明、装潢装饰和灯箱等生活各方面中。现有技术中，常用外置电源输出低压直流电压给全彩区块链漫反射LED灯具供电。要想完成灯具的全彩发光，RGB LED驱动也不可或缺。据此，本文推荐SGMICRO推出的具有I²C兼容接口的3通道电流调节RGB LED驱动器。它非常适合由单电池锂离子或锂聚合物供电的各种应用，或具有3.3V或5V电源电压的系统，以及3电池镍镉、镍氢或碱性电池。

SGM31323通过两个可编程定时器，用户可以调整LED闪烁时间，并获得淡入淡出的结果，以获得独特的彩色照明，每个电流接收器可独立配置192阶跃电流水平，从0.125mA到24mA。SGM31323提供的停机电流小于1μA。采用绿色UTDFN-1.5×1.5-8L封装。其工作环境温度范围为-40℃至+85℃。无噪声，LED电流无脉冲，能应用到RGB指示灯、闪烁的发光二极管上。

下图为LED全彩RGB区块链灯部分框图：

典型原理图为：

引脚配置图为：

本方案的优势及特点：

1、输入电压范围2.5~5.5V，快速平稳启动。各通道均可独立配置。

2、SGM31323具有超低静态功耗；可通过编程控制多种特别的照明模式，且有高达192种电流电平。

3、亮度等级达192级，电流从0.125mA~24mA，工业级工作温度。

综上所诉，SGMICRO推出的具有I²C兼容接口的3通道电流调节RGB LED驱动器SGM31323非常适合用于LED全彩RGB区块链灯。

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TRANSCEIVER,SGM11108M,SGM8306-2,SGM8306-1,SGM61450,SGM3733B,SGM11108E,SGM852,SGM853,SGM851,SGM5347-12,SGM2558A,SGM2558B,SGM8261-5,SGM2564,SGM8261-1,SGM5347-10,SGM8261-2,SGM2549,SGM48017C,SGM72110,SGM8094,SGM836,SGM8091,SGM837,SGM61220,SGM8092,SGM8093,SGM835,SGM72108,SGM2553,SGM72106,SGM2555,SGM809B,SGM4519,SGM4517,SGM4518,SGM48010,SGM11106C,SGM63600,SGM41611,SGM4520,SGM4521,SGM48005,SGM8417-4,SGM8417-2,SGM4051C,SGM48000,SGM48001,SGM48002,SGM3843A,SGM61433,SGM621,SGM84782,74HC574,SGM58031,SGM620,SGM862,SGM41600,SGM2572,SGM41603,SGM860,SGM2571,SGM51622H,SGM4995,SGM4511,SGM2574,SGM4996,SGM4512,SGM4510,SGM2575,SGM51622D,SGM4515,SGM8T245S,SGM4516,SGM8250-1,SGM8250-2,SGM4514,SGM3209,SGM809,SGM8557-3,SGM8557-1,SGM8557-2,SGM803,SGM61012,SGM804,SGM802,SGM61013,SGM810,SGM811,SGM61007,SGM61006,SGM4782,SGM7237B,SGM8902,SGM8903,SGM8904,SGM4542,SGM8905,SGM4548,SGM4549,SGM3699,SGM4546,SGM4547,SGM48013C,SGM62110,SGM61020,SGM62112,AAP6153A,SGM61022,SGM62111,SGM800,SGM2596,SGM3200,SGM3206,SGM8270-2,SGM3207,SGM4535,SGM3204,SGM8270-4,SGM8T245,SGM829,SGM61230,SGM42512,SGM41664,SGM825,SGM61232,SGM823,SGM61234,SGM824,SGM891B,SGM42507,SGM42506,SGM40567,SGM4560,SGM42505,SGM4561,SGM6503,SGM4566,SGM8925,SGM6502,SGM8926,SGM6501,SGM4564,SGM8927,SGM5349-16,SGM4565,SGM6505,SGM4568,SGM6504,SGM8909,SGM818,SGM890B,SGM816,SGM42501,SGM40565,SGM42500,SGM814,SGM815,SGM812,SGM40560,SGM40561,SGM821,SGM822,SGM61235,SGM820,SGM4551,SGM4552,SGM4550,SGM4555,SGM4556,SGM4553,SGM4554,SGM51652S8,SGM8910,SGM5347-8,SGM4558,SGM11124E,SGM37863A,SGM11124F,74LVC2T45,SGM893B,SGM4581,SGM8941,SGM4582,SGM4583,SGM48521Q,SGM8704,SGM4588,SGMNQ59430,SGM8705,SGM4589,SGM8706,SGM8707,SGM8942,SGM8701,SGM8702,SGM8703,SGM12213A,SGM11210A,SGM61060,SGM2050C,SGM12UB1D2,SGM892B,SGM8276-4,SGM6510,SGM4573,SGM3001,SGM4574,SGM42513,SGM6514,SGM3005,SGM6513,SGM4578,SGM8276-2,SGM3002,SGM6512,SGM42622B,SGM8276-1,SGM3003,SGM6511,SGM4576,SGM8931,SGMOP17C,SGM8932,SGM8933,SGM6516,SGM12214A,SGM8934,SGM6515,SGM11210M,SGMNE20220,74AVC8T245,SGM3141B,SGM61030,SGM42403Q,SGM42553,SGM61032,SGM61031,74HC165,SGM62116,SGM8953-1,SGM62118,SGM8953-2,SGM62117,SGM8708,SGM8709,SGM4075-2,SGM3140B,SGM61040,SGM4075-1,SGM42544,SGM7300A,SGM7300B,SGM42541,SGM42540,SGM8951,SGM8952,SGM8710,SGM4590,SGM5200,SGM38045,SGM38042,SGM6533,SGM8711,SGM8712,SGM8955,SGM38046,SGM8956,SGM2053S,SGM8199L2,LM2904,SGM8199L1,SGM41002,SGM8968-4,SGM8968-2,LM2902,SGM8968-1,SGM8740,SGM8741,SGM8742,SGM2077A,SGM8743,SGM2077B,SGM8263-1,SGM8748,SGM8263-2,SGM8417-1,SGM8749,SGM12CB1A5,SGM8744,SGM40666B,SGM8745,SGM11104S,SGM40666A,SGM8746,SGM8747,SGM41513D,SGM41513A,SGM42561,SGM42560,SGM8957-1,SGM8957-2,SGM42562,SGM5208-14,SGM5223,SGM48018C,SGM11102F,SGM11102G,SGM41512A,SGM37603A,SGM8521,SGM8522,SGM11102S,SGM33685A,SGM5018,SGM33685B,SGM33685C,SGM8524,SGM8604-1,SGM11103E,SGM8604-5,SGM8193A3,SGM11103F,SGM8604-2,SGM8193A2,SGM48019C,SGM8604-3,SGM8193A1,SGM8193A0,SGM37604A,SGM8751,SGM11103S,SGM41007,SGM41008,SGM6332,SGM8750,FT2830P,SGM11212M,SGM41280,SGM41281,SGM41283,SGM5353-16,SGM37891A,SGM41285,SGM41286,SGM7SZ244S,SGM8542,SGM51652H8,SGM8543,SGM8301,SGM8544,SGM8302,SGM8545,SGM51652H4,SGM8541,SGM8429C-4,SGM8304,SGM8607-2,SGM37892A,SGM13003A,SGM8531,SGM8773,SGM8532,SGM8534,SGM8770,SGM8771,SGM8772,SGM8535,SGM8536,SGM8537,SGM12024A,SGM8538,SGM65230,SGM37893A,SGM65231,SGM65232,SGM8969-2,SGM8969-1,SGM13002A,SGM2035C,SGM7232,SGM9128YP,SGM41291,SGM2036S,74LVC1G32Q,SGM13001C,SGM13001B,74LVC138,SGM2581E,SGM8958-2,SGM41295,SGM13001A,SGM8958-1,SGM7222,SGM6132,SGM8554,SGM7223,SGM8555,SGM7224,SGM6130,SGM8556,SGM2581C,SGM8551,SGM7220,SGM2581A,SGM8552,SGM7226,SGM7227,SGM7228,SGM7229,SGM44599,SGM8581,SGM8713A-1,SGM8582,SGM6613A,SGM8584,SGM832B,SGM41282C,SGM832A,SGM8714B-1,SGM8924A,SGM811C,SGM5355-16,SGM7SZ19,74LVC1G125,SGM48535B,SGM89000,SGM7SZ14,SGM811B,SGM48535A,SGM48752X,SGM431VB,SGM2560A,SGM37603,SGM2560B,SGM6611C,SGM15CB1A4,SGM810B,SGM41280A,SGM8591,SGM8592,SGM48753X,SGM9203,SGM6612A,SGM8594,SGM8922A,SGM4T245,SGM48753,SGM48754,SGM48755,SGM48756,SGM51242R8,SGM48757,SCM40668,SGM813B,SGM48759,74AVC4T245,SGM8140,SGM8141,SGM48751,SGM449,SGM48752,SGMNQ07430,SGMPM21330,SGM48510,SGM458,SGM3785S,SGM37864,SGM61720,SGM459,SGM37863,SGM457,SGM8142,SGM452,SGM450,SGM451,SGM05UB1B3,SGM37862,SGM37861,SGM05CB1A8,SGM05CB1A7,SGM812B,SGM05CB1A4,74GTL2005,SGM25881,SGM447,SGM448,SGM446,SGM7SZ244,SGM8478-1C,SGM51242R4,SGM8139,SGM51242R2,SGM3705,SGM48536,SGM48537,SGM48538,SGM48539,SGM5351-16,SGM2588G,SGM2588E,SGM2588K,SGM3712,SGM3713,SGM2588C,SGM3710,SGM3711,SGM2588A,SGM48522,SGM48523,SGM48525,SGM48526,SGM48760,SGMNQ07440,SGM48520,SGM48521,SGM8557-5,SGM71XX,SGM706B,SGM460,SGM3701,SGM3700,SGM3727,SGM3741B,SGM3725,SGM3726,SGMOP07,SGM898,SGM899,SGM896,SGM897,SGM895,SGM4823,SGM2566B,SGM3735,SGM3732,SGM4822,SGM2566A,SGM3716,SGM3740B,SGM48544,SGM4806,SGM3717,SGM48545,SGM3714,SGM3715,SGM4809,SGM4807,SGM3718,SGM4808,SGM3719,74LVC157,SGM48780,SGM48540,SGM48541,SGM48542,SGM48543,SGM37898,SGM51652H,SGM51652D,SGM3720,SGM37891,SGM4812,SGM37892,SGM4810,SGM37895,SGM3749,SGM3747,SGM3748,SGM72204A,SGMNQ40430,SGM,VIRTUAL REALITY,储能系统,OPTICAL FIBER TRANSCEIVER MODULES,智能配件,FACTORY AUTOMATION,锂离子电池化成,MACHINE VISION,ENERGY STORAGE SYSTEMS,AUDIO SYSTEMS,OFFICE AUTOMATION EQUIPMENT,智能手机,5G WIRELESS BASE STATIONS,太阳能逆变器,音频系统,办公室自动化设备,光纤收发器模块,视频系统,LITHIUM ION BATTERY FORMATION,SMART ACCESSORIES,NEW ENERGY VEHICLES,游戏机,新能源汽车,SMART PHONES,VIDEO SYSTEMS,MAJOR HOUSEHOLD APPLIANCES,GAMING CONSOLES,机器视觉,SOLAR INVERTER,工厂自动化,主要家用电器,虚拟实境,5G无线基站

2024/6/11 - 选型指南代理服务技术支持采购服务

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

对照表 - SGMICRO

【产品】3路LED呼吸灯控制器实现绚丽多彩呼吸灯方案

SGM31323 和SGM31324每路驱动最大24mA 电流以及192 阶调光,可实现LED 混色效果及自主呼吸功能。

2017-03-23 - 新产品代理服务技术支持采购服务

圣邦微LED驱动器：白光LED驱动和LED闪光灯驱动，产品种类多，亮度可调，驱动电流最高可达2A

圣邦微电子（北京）股份有限公司（SGMICRO Corp）是一家专注于高性能、高品质模拟集成电路研发和销售的半导体公司，其推出的LED驱动器在显示屏LED背光驱动、LED闪光灯驱动等领域有着非常广泛的应用。圣邦微电子的LED驱动器分为白光LED驱动和LED闪光灯驱动两大类，包括高压多串多并WLED驱动器及大电流LED闪光灯驱动器等系列产品。

2019-02-10 - 器件选型代理服务技术支持采购服务

SGMICRO白光LED驱动器选型表

1-6通道LED灯驱动，线性、开关驱动、电荷泵驱动，支持线性、PWM、IIC调光，mA级别的调光电流，1uA关断电流，uA级别静态电流

产品型号	品类	LED Connection	CH	Iq (μA)	SHDN Iq(μA)	Dimming	Package
SGM3758	White LED Drivers	Common Anode	1	200	1	PWM	TDFN-2×2-6L

选型表 - SGMICRO 立即选型

SGM31324自动闪烁模式，带I²C接口的RGB LED驱动器

SGM31324是一款具有I2C接口的三通道电流调节型RGB LED驱动器。它适用于由单节锂离子或锂聚合物电池供电的各种应用，以及3.3V或5V电源电压的系统，还包括3节镍镉、镍氢或碱性电池系统。该器件无需外部组件即可实现三个恒定电流源。用户可以通过两个可编程定时器调整LED闪烁时间并获得渐隐和渐显的独特灯光效果。

SGMICRO - RGB LED驱动器,RGB LED DRIVER,SGM31324YUDW8G/TR,SGM31324,RGB INDICATOR LEDS,HANDHELD EQUIPMENT,MULTI-COLOR LEDS,多色LED,手持式设备,冲击LED显示屏,冲击LED标志,IMPACT LED SIGNS,RGB指示灯,IMPACT LED DISPLAYS

JUNE 2018 - 数据手册 - REV.A. 1 代理服务技术支持采购服务查看更多版本

SGMicro(圣邦微) SGM31323 Constant Current RGB LED Driver with I2C Control 数据手册

SGM31323是一款可编程的恒流RGB LED驱动器，具有灵活的控制接口。该设备适用于从单节锂离子电池、镍镉/镍氢/碱性电池或系统供电，提供三个独立的可编程恒流源，无需外部组件。它支持I2C控制接口，允许用户调整LED闪烁速率、淡入淡出效果，实现独特的颜色照明模式。

SGMICRO - 带I²C控制的恒流RGB LED驱动器,CONSTANT CURRENT RGB LED DRIVER WITH I² C CONTROL,SGM31323,SGM31323YUDW8G/TR,RGB INDICATOR LEDS,DIGITAL CAMERAS,闪烁的LED,HANDHELD DEVICES,MOBILE PHONES,FLASHING LEDS,RGB指示灯,手持设备,移动电话,数码相机

JUNE 2018 - 数据手册 - REV.A.1 代理服务技术支持采购服务

SGM31323YUDW8G/TR PCBLib&SCHLib&IntLib

SGMICRO - CONSTANT CURRENT RGB LED DRIVER,恒流RGB LED驱动器,SGM31323,SGM31323YUDW8G/TR

2023/11/13 - CAD模型库代理服务技术支持采购服务

【经验】RGB LED驱动器SGM31323的注意事项和使用经验

圣邦微的RGB LED驱动器SGM31323集成了3路LED呼吸灯控制器，内置3路独立可控恒流源。本文将主要介绍该如何使用这个产品以及使用这个产品时的注意事项。

2019-09-28 - 设计经验代理服务技术支持采购服务

一个摄像头LED照明的项目上，需要选型一款i2c接口PWM调光芯片，至少2路，LED封装为0402，3.3V电压，请帮忙推荐一个国产方案。

您好，推荐评估圣邦微的SGM31323YUDW8G/TR，带I2C接口，可驱动3路，各通道均可独立控制；亮度等级达192级，电流从0.125mA-24mA，规格书链接为https://www.sekorm.com/doc/2940150.html

2023-03-29 - 技术问答代理服务技术支持采购服务

具有I²C接口的SGM31323恒流RGB LED驱动器

SGM31323是一款具有I2C接口的三通道恒流RGB LED驱动器。它适用于由单节锂离子或聚合物电池供电的各种应用，以及3.3V或5V电源电压的系统，还包括3节镍镉、镍氢或碱性电池系统。该产品具备可编程LED电流、低噪声、快速启动等特点，并支持独立通道控制。

SGMICRO - 3通道、电流调节型RGB LED驱动器,3-CHANNEL, CURRENT-REGULATED RGB LED DRIVER,CONSTANT CURRENT RGB LED DRIVER,恒流RGB LED驱动器,SGM31323,SGM31323YUDW8G/TR,RGB INDICATOR LEDS,HANDHELD EQUIPMENT,MULTI-COLOR LEDS,多色LED,手持式设备,冲击LED显示屏,冲击LED标志,IMPACT LED SIGNS,RGB指示灯,IMPACT LED DISPLAYS

JUNE 2018 - 数据手册 - REV. A. 1 代理服务技术支持采购服务

有LED驱动器么？三色LED

可以看下圣邦微的SGM31323，是I2C接口可编程的芯片，可以实现RGB三色LED灯的灯光颜色控制，每路驱动电流从0.125mA到24mA ，一个调整步长是0.125mA的电流，可实现192 阶调光设置， UTDFN-1.5×1.5-8L 封装，温度范围为-40℃~+85℃，相关规格书参考链接：https://www.sekorm.com/doc/1055273.html。

2020-11-26 - 技术问答代理服务技术支持采购服务