【经验】数明半导体三相桥式驱动器SLM7888MD驱动异常分析
SLM7888MD是数明半导体的一款三相桥式驱动器，广泛用于具有三个独立的高、低压侧参考输出通道的电机应用。某客户应用在24V左右的三相电机驱动，工作电压为12V。目前在调试过程中发现驱动芯片不能正常工作，具体体现在上侧的驱动信号没有输出，低侧的输出信号正常。本文将分析三相桥式驱动器SLM7888MD驱动异常问题。
与客户研发沟通如下：
1、SLM7888的HIN引脚输入的是一组方波，但是输出的是一组尖峰，LIN引脚输入跟输出都是方波，经沟通了解到客户已经把器件焊接在具体的线路中，因此需要结合外围线路进行分析；
HIN输入波形
HOUT输出波形
LIN输入波形
LOUT输出波形
驱动部分线路图如下：
2、 根据SLM7888MD的内部功能框图，给出以下建议：
从应用建议可以看出客户线路图的芯片上侧的输出引脚直接通过电阻接到电源地，这个和应用推荐不符，输出应该直接和驱动MOS的G和S极相对应连接，因此建议客户更改走线，把R39/R38/R30分别连接到VS3/VS2/VS1;
3、与客户沟通，实际按上面建议需改线路，输出正常；
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本文由Michael提供，版权归世强硬创平台所有，非经授权，任何媒体、网站或个人不得转载，授权转载时须注明“来源：世强硬创平台”。
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推荐迈来芯melexis的预驱芯片MLX83203,为集成电流感应放大器的三相预驱动器（也称为桥式驱动器或栅极驱动器）IC。这些器件与微控制器和六个分立功率 N-FET 组合，用于驱动无刷 DC 电机。https://www.sekorm.com/doc/3467274.html
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步科（Kinco）JD/FD2S/CD2S系列伺服驱动器和伺服电机选型指南（中文）
目录- 伺服驱动器与电机型号说明 伺服驱动器与电机配置表 伺服驱动器介绍 伺服电机介绍 电缆接线表
型号- SMH110D-0126-30A□K-4HKC,SMH180D-0350-15A□K-4HKC,JD640-LA-000,SMH110D-0105-20AAK-4LKC,SMH110D-0126-20ABK-4LKC,SMG180D-0750-15ABK-4HKG,MOT-008-LL-KC0,SMH80S-0075-30ABK-3LKP,BRA-LL-MG1,CDS,MOT-008-LL-KC4,SMH180D-0550-15RAK-4HKC,FD412S,FD432S-EA-000,MOT-008-LL-KC2,SMG130D-0100-10AAK-4LKG,MOT-008-LL-KC1,SMH80S-0075-30ABK-3LKH,SMG130D-0200-20ABK-4HKG,FD612S-EA-000,FD422S LA 000,JD430,FD412S-□A-000,SMH110D-0126-30ABK-4HKC,SMH180D-0750-15R□K-4HKC,JD640-□□-000,SMH180D-0350-15ABK-4HKC,SMG180D-0750-15A□K-4HKG,MOTE-005-LL-KC0,ENCCA-LL-KH,SMG130D-0300-20A□K-4HKG,SMG130D-0200-20A□K-4HKG,85S-0035-05AAK-FLFN-02,FDS 系列,85S-0025-05AAK-FLFN-02,HF01804KT,CD2S系列,YL 2207TK-D,SMG130D-0150-20ABK-4HKG,FD4225-AA-000,SMH180D-0440-15A□K-4HKC,SMH180D-0550-15RBK-4HKC,SMC130D-3050-20A□K-4HKP,MOT-015-LL-KG1,MOT-015-LL-KG2,FD422S,SMC80S-0075-30A□K-3LK□,SMC130D-0100-20A□K-4LKP,SMG130D-0300-20ABK-4HKG,SMC130D-0300-20A□K-4HKP,SMH110D-0126-20A□K-4LKC,FD612S-□A-000,MOT-008-LL-KL,SMG130D-0150-20AAK-4HKG,SMG180D-0550-15AAK-4HKG,FD612S-CA-000,SMG180D-0750-15AAK-4HKG,SMH130D-0300-20AAK-4HKC,SMH150D-2030-20A□K-4HKC,JD640-AA-000,FD422S-□F-000,SMH150D-0380-20AAK-4HKC,SMC130D-0150-20A□K-4LKP,SMH110D-0126-30AAK-4HKC,SMH110D-0105-20A□K-4LKC,CD422S-AA-000,SMH110D-0157-30ABK-4HKC,SMG180D-0550-15ABK-4HKG,SMH130D-0105-20ABK-4HKC,JD620-AA-000,SMG130D-0100-10A□K-4LKG,FD622S,JD430-AA-000,MOT-005-LL-KC4-B,MOT-008-LL-KC2-B,SMH150D-0300-20AAK-4HKC,CD2S,SMC130D-0200-20A□K-4HKP,SMH110D-0105-20ABK-4LKC,CD612S-AA-000,BRA-LL-KL,SMG180D-0550-15A□K-4HKG,SMG130D-0100-20A□K-4LKG,SMH130D-0105-20A□K-4HKC,ENCCA-LL-KC1,ENCCA-LL-KC0,SMH130D-0300-20ABK-4HKC,SMG系列,SMH110D-0125-30A□K-4LKC,JD650-AR-000,JD650-AA-000,SMG130D-0100-10ABK-4LKG,FD622S-LA-000,85S-0045-05AAK-FLFN,SMH130D-0300-20A□K-4HKC,SMH110D-0188-30A□K-4HKC,SMH150D-0230-20AAK-4HKC,SMH130D-0105-20AAK-4HKC,ENCCR-LL-FC1,FD432S-□A-000,FD422S-EF-000,SMH110D-0157-30A□K-4HKC,FD432S-LA-000,MOT-015-LL-KC2,SMH110D-0188-30ABK-4HKC,SMH系列,FD622S-□A-000,SMH80S-0075-30AAK-3LKN,SMG130D-0200-20AAK-4HKG,SMH80S-0075-30AAK-3LKH,FD612S LA 000,CDS 系列,SMH110D-0126-30A□K-4LKC,FD2S系列,JD系列,SMH130D-0210-20A□K-4HKC,SMH60S-0040-30AAK-3LKH,SMH60S-0040-30AAK-3LKN,SMH80S-0100-30AAK-3LKH,FD422S-□A-000,SMH150D-0230-20ABK-4HKC,SMH150D-0300-20A□K-4HKC,ENCCA-LL-KG1,SMG130D-0200-20ABK-4LKG,MOT-005-LL-KC0,MOT-005-LL-KL,SMH130D-0157-20A□K-4HKC,FD622S-CA-000,MOT-008-LL-KC4-B,FD422S-EA-000,MOT-015-LL-KC2-B,MOT-005-LL-KC4,SMH150D-0380-20A□K-4HKC,SMC,SMH110D-0157-30AAK-4HKC,SMG180D-0440-15A□K-4HKG,CD432S,MOT-030-LL-KG2,SMG,SMH,FD622S-AA-000,SMH110D-0188-30AAK-4HKC,SMH60S-0020-30AAK-3LKN,SMH150D-0230-20A□K-4HKC,JD,SMG130D-0200-20A□K-4LKG,SMH130D-0157-20ABK-4HKC,SMH130D-0210-20ABK-4HKC,SMG130D-0150-20ABK-4LKG,SMH60S-0020-30AAK-3LKH,SMC130D-0150-20A□K-4HKP,SMG130D-0100-20ABK-4LKG,JD620,FD422S-LF-000,SMH80S-0100-30A□K-3LK□,SMH150D-0380-20ABK-4HKC,CD422S-AF-000,FD612S,SMH110D-0125-30ABK-4LKC,FD422S-CA-000,CD412S,SMH60S-0040-30A□K-3LK□,FDS,SMH60S-0020-30A□K-3LK□,SMC60S-0020-30A□K-3LK□,SMH80S-0075-30A□K-3LK□,SMC60S-0040-30A□K-3LK□,SMG130D-0150-20AAK-4LKG,JD 系列,FD622S-EA-000,SMH150D-0300-20ABK-4HKC,CD422S,JD650-□□-000,SMG130D-0300-20AAK-4HKG,CD412S-AA-000,SMH110D-0125-30AAK-4LKC,SMG130D-0100-20AAK-4LKG,BRA-LL-MG,FD422SEA-000,SMH130D-0157-20AAK-4HKC,FD422S-LA-000,SMH130D-0210-20AAK-4HKC,FD432S-LA 000,SMC130D-0200-20A□K-4LKP,SMH180D-0750-15RAK-4HKC,MOT-008-LL-KG2,SMH180D-0350-15AAK-4HKC,MOT-008-LL-KG1,SMH150D-0230-20A□K-4HK,FD432S,FD422S-CF-000,MOT-005-LL-KG1,SMC系列,MOT-030-LL-KC3,85S-0045-05AAK-FLFN-02,SMH80S-0100-30ABK-3LKH,SMH180D-0550-15R□K-4HKC,CD432S-AA-000,SMH180D-0440-15ABK-4HKC,SMH150D-0238-20A□K-4HKC,YL2406TK-Y-1,FD2S,SMH150D-2300-20A□K-4HKC,JD630-AA-000,SMG180D-0440-15ABK-4HKG,CD622S-AA-000,JD630-LA-000,CD622S,SMH180D-0440-15AAK-4HKC,SMH110D-0126-20AAK-4LKC,FD412S-EA-000,MOT-005-LL-KL-□,SMG130D-0150-20A□K-4LKG,SMH60S-0020-30ABK-3LKH,SMH60S-0040-30ABK-3LKP,JD650,SMH110D-0127-30A□K-4HKC,SMH60S-0020-30ABK-3LKP,SMH60S-0040-30ABK-3LKH,SMG180D-0440-15AAK-4HKG,FD622S LA 000,JD640-AR-000,JD630-□□-000,SMG130D-0200-20AAK-4LKG,YL2406TK-Y,FD432S-CA-000
步科（Kinco）低压伺服系统产品选型指南（中文）
目录- 公司简介和低压伺服驱动系统介绍 伺服电机与伺服驱动器配置表 低压伺服驱动器 集成式伺服电机 伺服电机 电机线缆
型号- SMC80S-0075-30A□K-5DSH,FD144S-□B-000,FD114S-LB-000,FD164S,MD80-075-DMBK-EA-000,MD80-075-DM□K-■A-000,FD164S-CB-000,SMC80S-0075-30WAK-5DCX-(8),MD80-075-DMBK-PA-000,MD60-020-DMAK-LA-000,FD144S-EB-000,MD60-020-DM□K-■A-000,SMC80S-0075-30ABK-5DSH,OD134S-LA-000,ENCOA-LL-KH,SMC60S-0040-300AK-5DSU,FD144S-EB-005,MD60-020-DMBK-EA-000,SMC130D-0300-30W☐K-4DSH-2,OD134S-CA-000,SMC130D-0150-30WAK-4DSH-2,SMC80S-0075-30WBK-5DCH,ENCHA-LL-KC0,FD124S-□B-00■,MD80-075-DMAK-LA-000,130,FD144S-CB-000,FD114S-CB-005,MD60-040-DMBK-PA-000,FD144S-CB-005,FD114S-CB-000,OD134S-EA-000,SMC130D-0250-30W☐K-4DSH-2,MD60-020-DMBK-PA-000,MD系列,SMC130D-0120-30AAK-4DKR,SMC80S-0075-30W□K-5DCH,OD114S-EA-000,SMC130D-0150-30AAK-4DKR,SMC80S-0100-300BK-5DSU,FD134S-CB-005,FD134S-CB-000,SMC80S-0075-30AAK-5DSH,SMH110D-0120-30AAK-4DKR,FD144S,SMC40S-0005-30MBK-5DSU,SMC60S-0060-300BK-5DSU,ENCHG-(4)-GU-DC,MOTF-005-03-KL-D,FD114S-□B-000,SMC60S-0020-300BK-5DSU,MOT-008-LL-KL-D,FD144S-□B-00■,SMC60S-0040-300BK-5DSU,OD114S-LA-000,SMC130D-0150-30A□K-4DKR,MD60-020-DMBK-CA-000,BRA-LL-KL,MOT-005-LL-KL-D,MD60-040-DM□K-■A-000,SMC40S-0005-30M□K-5DSU,SMC60S-0060-30M□K-5DSU,OD114S,MD60,FD134S,G2系列,SMC80S-0075-30QAK-5DSU,SMC60S-0040-30M□K-5DSU,SMC80S-0075-30WAK-5DCH,FD1X4S-CB-000,MD60-040-DMBK-EA-000,SMC130D-0150-30ABK-4DKR,SMC60S-0020-30M□K-5DSU,ENCHGF-03-GU-□□,SMC40S-0010-30M□K-5DSU,SMC80S-0100-30MBK-5DSU,MD80系列,SMC130D-0300-20W☐K-4DSH-2,SMC130D-0250-30WAK-4DSH-2,SMC40S-0005-30MAK-5DSU,MD□□-□□□-DM□K-PA-000,FD124S-□B-000,SMC80S-0075-30QBK-5DSU,OD1X4S,SMC80S-0100-30M□K-5DSU,MD60-040-DMBK-LA-000,SMC130D-0300-20WAK-4DSH-2,FD124S-CB-000-D2,MD80,OD114S-□□-000,SMH系列,SMC130D-0150-30WBK-4DSH-2,MD80-075-DMBK-CA-000,FD114S-EB-005,SMC80S-0075-30Q□K-5DSU,ENCHG-LL-GU,FD114S-EB-000,SMC80S-0100-300AK-5DSU,MOT-040-LL-KC5,MD60-040-DMAK-EA-000,SMC60S-0020-30AAK-5DSH,FD134S-CB-020-D2,SMC130D-0250-30WBK-4DSH-2,SMC60S-0040-30AAK-5DSH,FD134S-020-D2-IO,MD60-040-DMAK-PA-000,SMC80S-0075-300BK-5DSU,FD114S-□B-00■,FD124S-LB-000,OD124S-CA-000,SMC80S-0100-30QAK-5DSU,SMC40S-0010-30MBK-5DSU,OD系列,SMC40S-0010-30QBK-5DSU,MOTF-030-LL-KL-SP,SMC,MD60-040-DMAK-CA-000,SMH,SMC80S-0120-30AAK-5DSH,OD134S,SMC80S-0100-30AAK-5DSH,SMC80S-0100-30WAK-5DCH,FD114S,SMC80S-0100-30MAK-5DSU,FD134S-□B-000,SMC40S-0010-30QAK-5DSU,FD134S-LB-000-D2,SMC60S-0040-30QBK-5DSU,SMC60S-0060-30QBK-5DSU,SMC60S-0060-30MBK-5DSU,SMC80S-0100-30W□K-5DCH,MD80-075-DMAK-EA-000,SMC60S-0040-30MBK-5DSU,SMC60S-0040-30ABK-5DSH,SMC130D-0300-30WBK-4DSH-2,SMC40S-0010-30MAK-5DSU,SMC60S-0060-30ABK-5DSH,SMH110D-0120-30ABK-4DKR,SMC60S-0020-30QBK-5DSU,SMC60S-0020-30MBK-5DSU,ENCHA-LL-KH,MOT-015-LL-KL-SP-1,SMC60S-0060-30QAK-5DSU,SMC60S-0020-30ABK-5DSH,MD□□-□□□-DM□K-EA-000,SMC80S-0100-30WBK-5DCH,SMC60S-0040-30MAK-5DSU,OD124S,SMC60S-0020-30MAK-5DSU,SMC60S-0060-30MAK-5DSU,SMC60S-0020-30QAK-5DSU,FD124S,SMC60S-0060-30AAK-5DSH,SMC60S-0040-30QAK-5DSU,FD144S-LB-000,OD124S-□□-000,MD60-020-DMAK-EA-000,SMH110D-0120-30A□K-4DKR,SMC40S-0005-30QBK-5DSU,ENCOG-LL-GU,MD60系列,SMC80S-0075-30MAK-5DSU,FD系列,SMC130D-0120-30ABK-4DKR,FD124S-EB-005,SMC130D-0300-30WAK-4DSH-2,SMC60S-0020-30A□K-5DSH,BRAF-03-KL,130系列,MD60-020-DMAK-PA-000,FD124S-EB-000,FD1X4S-E□-000,SMC系列,SMC40S-0005-30Q□K-5DSU,OD124S-LA-000,SMC60S-0040-30Q□K-5DSU,SMC130D-0300-20WBK-4DSH-2,SMC130D-0120-30A□K-4DKR,SMC60S-0040-30W□K-5DCH,FD134S-□B-00■,FD1X4S,SMC60S-0060-30Q□K-5DSU,FD1X4S-LB-000,SMC60S-0040-30A□K-5DSH,FD124S-CB-005,MD60-040-DMAK-LA-000,SMC60S-0020-30W□K-5DCH,MD80-075-DMAK-CA-000,SMC60S-0060-30A□K-5DSH,FD124S-CB-000,FD1X4S-C□-000,SMC60S-0020-30Q□K-5DSU,SMC60S-0020-30WBK-5DCH,OD114S-CA-000,SMC60S-0040-30WBK-5DCH,SMC80S-0075-300AK-5DSU,SMC80S-0100-30QBK-5DSU,FD134S-EB-000,OD134S-□□-000,FD134S-EB-005,SMC80S-0100-30ABK-5DSH,FD134S-LB-000,FD1X4S-EB-000,MD60-020-DMAK-CA-000,SMC40S-0010-30Q□K-5DSU,SMC80S-0120-30ABK-5DSH,SMC80S-0075-30MBK-5DSU,MD60-020-DMBK-LA-000,SMC60S-0020-30WAK-5DCH,FD134S-CB-000-D2,SMC60S-0040-30WAK-5DCH,MOT-015-LL-KL-SP,MD60-040-DMBK-CA-000,SMC80S-0100-30Q□K-5DSU,SMC40S-0005-30QAK-5DSU,SMC130D-0150-30W☐K-4DSH-2,MOT-040-LL-KC5-B,OD124S-EA-000,SMC80S-0100-30A□K-5DSH,MD80-075-DMBK-LA-000,SMC80S-0120-30A□K-5DSH,SMC80S-0075-30M□K-5DSU,MD80-075-DMAK-PA-000,ENCDG-LL-GU
电子商城
品牌：数明半导体
品类：Single-Channel, High-Speed, Low-Side Gate Driver
价格：￥0.7059
现货： 14,964
服务
可定制变压器电压最高4.5KV，高频30MHz；支持平面变压器、平板变压器、OBC变压器、DCDC变压器、PLC信号变压器、3D电源、电流变压器、反激变压器、直流直流变压器、车载充电器变压器、门极驱动变压器等产品定制。
最小起订量： 100000 提交需求>
测试范围：扬兴晶振全系列晶体，通过对晶体回路匹配分析，调整频率、驱动功率和起振能力，解决频偏、不起振、干扰、频率错误等问题。技术专家免费分析，测完如有问题，会进一步晶振烧录/修改电路。
实验室地址： 深圳 提交需求>
授权代理品牌：集成电路
授权代理品牌：分立元件
授权代理品牌：接插件及结构件
授权代理品牌：部件、组件及配件
授权代理品牌：电源及模块
授权代理品牌：电子材料
授权代理品牌：仪器仪表及测试配组件
授权代理品牌：电工工具及材料
授权代理品牌：机械电子元件
授权代理品牌：加工与定制
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