【应用】国产H桥电机驱动SGM42507用于摄像机云台，具有多种保护阈值可选，关断状态漏电流仅800nA

时间： 2022-06-23 来源：世强

技术问答

在摄像机产品中，很多产品都会配有云台功能，可以旋转摄像头可记录到更多画面或者在运动过程中保持摄像头的稳定，保证拍摄画面不模糊。云台的运动，就需要一颗电机驱动IC。国产厂牌圣邦微电子（SGMICRO）推出的SGM42507是一款H桥电机驱动，比分离式MOS驱动功耗更低。本文将介绍SGM42507在摄像机云台中的应用。

图1 电机驱动应用框图

首先，该驱动芯片内部集成了过流保护、过压保护等，过流保护阈值为0.2A/0.45A/0.75A/1.5A可选，欠压保护阈值为1.75V/2.8V/3.6V可选，满足客户对不同电机的设计需求；

其次，SGM42507的工作电压范围为1.8V~7.5V，并且内置失速检测，转子失速和磁力保持，非常适合应用在便携式摄像机只能使用电池供电的产品上；

最后，H桥主开关使用的是场效应管，高边内置MOS内阻低至375mΩ，低边内置MOS内阻低至180mΩ，关断状态的漏电流仅为800nA，极低的功耗应用在便携式产品上可以增加客户使用续航，并且集成式的IC可以缩小PCB体积，提高产品的便携性。

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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- 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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型号- SGM42403Q,SGM42553,SGM42630,SGM42512,SGM42633,SGM42610,SGM42507,SGM42606,SGM42506,SGM42403,SGM42406,SGM42505,SGM42611B,SGM42611A,SGM42609,SGM42501,SGM42600,SGM42500,SGM42544,SGM42561,SGM42560,SGM42541,SGM42540,SGM42562,SGM42613,SGM42513,SGM42622B

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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

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型号- SGM42600XPTS16G/TR,SGM42600XTQE16,SGM42600,SGM42600XTQE16G/TR,SGM42600XPTS16

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型号- SGM42609XTD10G/TR

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型号- SGM42601XTQE16G/TR

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型号- SGM42507B-2.8,SGM42507D-3.6XC6G/TR,SGM42507A,SGM42507B,SGM42507B-3.6,SGM42507B-1.75TN6G/TR,SGM42507C,SGM42507D,SGM42507A-3.6XTN6G/TR,SGM42507C-2.8XC6G/TR,SGM42507B-3.6XTN6G/TR,SGM42507B-1.75,SGM42507,SGM42507C-1.75,SGM42507C-2.8XTN6G/TR,SGM42507D-2.8XTN6G/TR,SGM42507B-2.8XTN6G/TR,SGM42507A-2.8XTN6G/TR,SGM42507C-2.8,SGM42507C-3.6,SGM42507A-1.75XTN6G/TR,SGM42507D-2.8XC6G/TR,SGM42507B-2,SGM42507B-1.75XC6G/TR,SGM42507D-1.75XC6G/TR,SGM42507D-3.6,SGM42507B-3.6XC6G/TR,SGM42507D-1.75,SGM42507D-2.8,SGM42507D-1.75XTN6G/TR,SGM42507C-1.75XTN6G/TR,SGM42507B-1.75XTN6G/TR,SGM42507C-1.75XC6G/TR,SGM42507D-3.6XTN6G/TR,SGM42507A-2.8,SGM42507C-3.6XTN6G/TR,SGM42507A-3.6,SGM42507C-3.6XC6G/TR,SGM42507A-1.75,8XTN6G/TR,SGM42507B-2.8XC6G/TR

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SGM42507 1.5A, 7.5V H-Bridge Driver for Motor/Coil

型号- SGM42507B-2.8,SGM42507A,SGM42507B,SGM42507C,SGM42507B-3.6,SGM42507A-3.6XTN6G/TR,SGM42507C-2.8XC6G/TR,SGM42507B-3.6XTN6G/TR,SGM42507B-1.75,SGM42507,SGM42507C-1.75,SGM42507C-2.8XTN6G/TR,SGM42507B-2.8XTN6G/TR,SGM42507A-2.8XTN6G/TR,SGM42507C-2.8,SGM42507C-3.6,SGM42507A-1.75XTN6G/TR,SGM42507B-1.75XC6G/TR,SGM42507B-3.6XC6G/TR,SGM42507C-1.75XTN6G/TR,SGM42507B-1.75XTN6G/TR,SGM42507C-1.75XC6G/TR,SGM42507A-2.8,SGM42507C-3.6XTN6G/TR,SGM42507A-3.6,SGM42507C-3.6XC6G/TR,SGM42507A-1.75,SGM42507B-2.8XC6G/TR

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