【应用】国产高频降压DCDC SGM61410助力家用单项智能电表，5~42V宽范围输入电压

时间： 2022-03-30 来源：世强

技术问答

随着社会的发展，我们的生活、工作、学习及娱乐等都离不开电能的使用，电表作为电力部门对人们用电的统计、管理、电能质量的分析等的重要设备已经处处可见。客户在做家用单项智能电表产品，需要给电源供电的DCDC，结合客户的使用给其推荐了国产圣邦微（SGMICRO）的高频降压DCDC SGM61410，它是一种集成开关的高频同步降压转换器。在5V到42V的宽输入电压范围内，它可以提供高达600mA的输出电流，采用绿色SOT-23-6封装。可以在-40°C到+125°C的大环境温度范围内工作，完全可以满足客户电表产品的应用需求。

客户电表上使用此DCDC将线性变压器输出电压降至4.5V给宽压MCU供电，其原理框图如下：

图1：单项智能电表的简单原理框图

SGM61410在硬件设计中的典型应用电路如下：

图2：SGM61410的典型应用电路

在电表产品上使用SGM61410会给客户带来如下优势：

1、输入电源选择简单：5V至42V的宽范围工作输入电压完全可以满足客户线性变压器输出电压需求。

2、频率高：开关频率高，可以满足客户高频输入的要求。

3、驱动能力强：输出电流高达600mA，输出电压从0.8V到20V可调，负载驱动能力强。

4、效率高：在12V/400mA时效率高达95%。

5、保护机制完善：具有限流、短路、过压、热关机等保护机制，可大大降低产品风险。

综上所述，客户在电表产品上直接使用SGM61410DCDC应用方案，此方案管脚完全兼容，硬件典型应用简单，保护机制完善。

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【应用】国产低功耗降压DCDC用于SVG辅助电源，宽输入电压5~42V，开关频率1.2MHz

SVG电源管理单元交流220V输入，通过整流、滤波、反击控制、整流，得到12V DC，通过SGMICRO（圣邦微）DCDC-SGM61410XN6G/TR得到3.3V DC，给MCU稳定供电。

应用方案发布时间 : 2022-12-13

【应用】高压同步整流DCDC SGM61410助力窗帘控制器，宽压输入5~45V且电流输出达600mA

随着社会的快速发展，智能产品层出不穷，全屋智能化成为了现实，大大提高人们的生活水平。其中窗帘智能化也是不可或缺的一部分，笔者曾经服务过一个做智能家居的客户，帮助他们选择了DCDC芯片用于窗帘控制器项目中，一颗芯片能够给整个控制系统供电。

应用方案发布时间 : 2022-03-26

【应用】圣邦微降压DCDC SGM61410XN6G/TR用于智能锁，开关频率1.2MHz，5V~42V宽输入电压

在市面上的智能锁中，电池供电的智能锁也更加方便携带，在一些应用中，智能锁使用18650电池包供电，输出7.4-8.4V，此时需要降压芯片，将该电压降为3.3V等给主控等芯片供电，圣邦微的降压DCDC SGM61410XN6G/TR就可以运用其中。

应用方案发布时间 : 2022-11-27

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- 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

选型指南 - SGMICRO - 2024/6/11 PDF 英文下载

【选型】国产降压电源SGM61410XN6G/TR可P2P兼容AOZ1282CI，工作频率达1.2MHz

传感器项目中有客户用到降压电源芯片AOZ1282CI，由于目前该物料缺货严重，在不更改PCB的情况下，推荐圣邦微电子的降压电源芯片SGM61410XN6G/TR做替换，都是SOT23-6封装，输入5V~45V，输出电流600mA，工作频率达1.2MHz。

器件选型发布时间 : 2021-04-16

SGM61134 3V to 17V Input, 3A Synchronous Buck Converter with AHP-COT Control

型号- SGM61134A-ADJ,SGM61134-3.3XTQ16G/TR,SGM61134-ADJ,SGM61134A-ADJXTQ16SG/TR,SGM61134-5.0XTQ16G/TR,SGM61134,SGM61134-ADJXTQ16G/TR,SGM61134-1.8XTQ16G/TR,SGM61134A,SGM61134-5.0,SGM61134-3.3,SGM61134-1.8,SGM61134A-ADJXTQ16G/TR

数据手册 - SGMICRO - REV. A - SEPTEMBER 2024 PDF 英文下载

SGMICRO DC/DC转换器选型表

SGMICRO DC/DC转换器选型表包含包含同步整流降压转换器、AMOLED显示屏电源降压、非同步降压转换器升压、同步整流升压转换器、非同步升压转换器、电荷泵DC/DC转换器、专用DC/DC转换器和LCM偏置电源；升降压、电荷泵供电，最大输入电压60V，最大开关电流10A，内置MOS。

产品型号	品类	CH	Enable	Vcc (Min)(V)	Vcc (Max)(V)	I_OUT(mA)	Frequency (kHz)	Iq (μA)	SHDN Iq(μA)	Package
SGM6010	DC/DC Synchronous Rectifier Buck Converters	1	L	3	5.5	3000	300 to 2000	0.41	2	TDFN-3×3-10L

选型表 - SGMICRO 立即选型

SGMICRO（圣邦微）运算放大器/电压转换器/ADC/驱动器选型指南

描述- 圣邦微电子是由资深半导体设计工程师发起建立的，公司的目标是成长为一家领先的综合性模拟集成电路公司。公司从一开始就确立了以客户需求为中心、以创新迭代方式开发和生产高度可靠性、高度一致性模拟集成电路产品的经营原则，是一家工程师文化主导的公司。

型号- SGM8557H-1AQ,SGM61101Q,SGM61410Q,SGM2079XQ,SGM42203Q,SGM819SXQ,SGM8212-2Q,SGM8752-1Q,SGM61111Q,74AVC4T245Q,SGM431VBQ,SGM61060Q,SGM42403Q,SGM2217Q,SGM42401Q,SGM8197A1Q,74AHC08Q,74AVC8T245Q,SGM48536BQ,SGM8197A3Q,74AHC244Q,SGM823XQ,SGM8197XQ,SGM722Q,SGM48521Q,SGM820XQ,74LVC1G04Q,SGM58031Q,SGM42202Q,SGM42214Q,SGM8212-1Q,74LVC1G32Q,SGM4570Q,SGM8965A-2Q,SGM42402Q,SGM8197A2Q,SGM61330XQ,SGM8197A0Q,SGM721Q,LM431BQ,SGM48522Q,SGM836XQ,74AHC1G08Q,SGM5200Q,SGM48524Q,SGM432BQ,SGM2232XQ

选型指南 - SGMICRO - 2024/3/18 PDF 英文下载

SGM61111 3V to 17V, 1A Synchronous Buck Converter with AHP-COT Control

型号- SGM61111-ADJXMS8G/TR,SGM61111-1.8XTDE8G/TR,SGM61111-3.3XTDE8G/TR,SGM61111-3.3,SGM61111-1.8,SGM61111-5.0XTDE8G/TR,SGM61111-ADJXTDE8G/TR,SGM61111-ADJ,SGM61111-5.0,SGM61111

数据手册 - SGMICRO - REV. A - AUGUST 2024 PDF 英文下载

SGMICRO（圣邦微）ADC/DAC选型指南

型号- SGM51242R8,SGM5353-16,SGM8634C,SGM71612R82Z,SGM71612R81ZXG/TR,SGM51652H8,SGM58200,SGM61720,SGM5209-14,SGM58201,SGM71612R82,SGM51652H4,SGM42403,SGM452,SGM5347-12,SGM51652H4XTS38G/TR,SGM51652HXTS16G-S/TR,SGM58602,SGM71612R82M,SGM2048,SGM58600,SGM71612R81,SGM58601,SGM5347-10,SGM58031Q,SGM42402,SGM42401,SGM8T245XS,SGM71612R81Z,SGM48751X,SGM12UB1D2,SGM51652HX,SGM4029A,SGM6143X,SGM4573,SGM7SZ244,SGM8253,SGM2033,SGM51242R4,74LVC245A,SGM51652H4XTS38G-S/TR,SGMXXXXX,SGM51242R2,SGM58600XTRL20G/TR,SGM5351-16,SGM61030,SGM51622S8XLFH64G/TR,SGM4875XX,SGM58600XSS20G/TR,SGM25701,SGM8270,SGM51610S,SGM58601XSS28G/TR,SGM2050,SGM58031,SGM5200,SGM862,SGM71612R8XX,SGM6130X,SGM2054,SGM860,SGM8277,SGM,SGM51622H,SGM204X,SGM2059,SGM51622D,SGM51610C,SGM89XB,SGM5202-14,74AHC14,SGM61410,SGM5353,SGM51613HXTS16G/TR,SGM71612R8,SGM51652HBXTS38G-S/TR,74AHC08,SGM61411,SGM5208-14,SGM8610,SGM51652H,SGM58601XTQK28GITR,SGM71612R81ZXTSG16G/TR,SGM51652D,SGM5348-10,SGM51652S8XLFH64G/TR,SGM5348-8,SGM5348-12,SGM5349,SGM5355-16,GRM2030,SGM51613HXTQE16G/TR,SGM823,SGM61630,SGM71612R81ZXTS16G/TR,SGM51613H,SGM51622S8,SGM5349-16,SGM8249,SGM51613D,SGM8255B,SGM5860X,SGM5352-16,SGM05FB4D2,SGM4027A,SGM51652H8XTS38G/TR,SGM4551,SGM05FB8D2,SGM5200Q,SGM51652S8,SGM5347-8,SGM80XB

选型指南 - SGMICRO - May 2024 PDF 英文下载

SGM61114 3V to 17V Input, 1A Synchronous Buck Converter with AHP-COT Control

型号- SGM61114,SGM61114A,SGM61114-ADJXTQ16G/TR,SGM61114-5.0XTQ16G/TR,SGM61114-1.8XTQ16G/TR,SGM61114-1.8,SGM61114A-ADJ,SGM61114-3.3,SGM61114A-ADJXTQ16G/TR,SGM61114-3.3XTQ16G/TR,SGM61114-ADJ,SGM61114-5.0

数据手册 - SGMICRO - REV. A - SEPTEMBER 2024 PDF 英文下载