RHOM Expanded Lineup of Shunt Resistors Contributes to Miniaturization In High Power Applications

2021-05-12 ROHM
shunt resistors,GMR320,PSR,PSR500 shunt resistors,GMR320,PSR,PSR500 shunt resistors,GMR320,PSR,PSR500 shunt resistors,GMR320,PSR,PSR500

Newly developed low-ohmic chip resistor GMR320 series (10W) and increasing rated power to 15W in ultra-low-ohmic resistor PSR series.


ROHM developed the GMR320 series of shunt resistors featuring a rated power of 10W. GMR320 series is the largest rated power product in ROHM high-power low-ohmic GMR series lineup designed for high power applications in the automotive, industrial equipment, and home appliances.


Recent years have seen an increase in requirements in the automotive and industrial fields for lower power consumption in higher power applications. This in turn requires shunt resistors that support high power and high accuracy current detection to achieve high-efficiency operation in a variety of applications. ROHM’s GMR and PSR series shunt resistors provide highly accurate current detection even at high power, making them ideal for high power applications in the automotive, industrial, and consumer sectors.


The newly developed GMR320 series is offered in a resistance value range from 5mΩ to 100mΩ and a rated power of 10W, making them ideal for automotive engine ECUs and headlamps as well as motors and power supplies for industrial equipment and home appliances. The unique structure and optimized materials allow the GMR320 series to reduce surface temperature rise by 23% over standard products, ensuring high ruggedness against overcurrent loads even though it has the smallest size among 10W class resistors in the market. In addition, a high-performance metal alloy for the resistive material provides low-Temperature Coefficient of Resistance (TCR), which makes it reliable and highly accurate current detection possible even in the low resistance values.



Newly developed low-ohmic chip resistor GMR320 series (10W) and increasing rated power to 15W in ultra-low-ohmic resistor PSR series


On the other hand, for the PSR series, which is widely used as high-power shunt resistors, the maximum rated power has been increased by up to 15W and the standard TCR value has been also improved by applying the terminal temperature derating method. Ultra-low resistance values from 0.1mΩ to 3.0mΩ can be offered, and higher rated power and high accuracy of current detection are provided in a compact package, contributing to greater miniaturization in automotive and industrial applications same as GMR series.


Furthermore, from October 2021, thermal simulation models for shunt resistors will be available on ROHM’s website. This will make it possible to perform simulations before designing the actual products, even in high-power applications where thermal design is particularly difficult, reducing design man-hours considerably.


ROHM is committed to continuing to expand its resistor lineup (a founding product) from low to high power and provide various tools and other technical support to contribute to the evolution of vehicles and industrial equipment by great energy savings and miniaturization.



Key Features

ROHM newly developed the GMR320 series of high-power low-ohmic shunt resistors while extending the rated power of the high power ultra-low-ohmic PSR series to cover the high-power range up to 15W. Furthermore, both series are qualified under the AEC-Q200 automotive reliability standard for passive components, ensuring a maximum operating temperature of 170°C that provides high reliability even in-vehicle environments where temperatures can be particularly severe, such as in the engine compartment.


GMR320 Series Advantages
1. High heat dissipation structure reduces surface temperature rise by 23% over standard products

One issue when using shunt resistors at high power is suppressing the rise in surface temperature of the product. GMR320 series improves heat dissipation by conducting a thorough review of materials and adopting a proprietary structure that significantly suppresses surface temperature rise. For example, when a 5mΩ product is used at 7W, the surface temperature of standard products can reach as high as 154.3°C, while ROHM’s new products suppress temperature rise to just 117.8°C, a difference of 23%. Moreover, superior heat dissipation makes it possible to achieve the smallest size (7.1mmx4.2mm) in the 10W class while ensuring stable performance without a change in resistance value even at overcurrent loads.



2. Excellent temperature coefficient of resistance – even in the low resistance region

Generally, the lower the resistance the higher the temperature coefficient of resistance (TCR). However, the GMR320 series utilizes a high-performance alloy for the resistive element that ensures a very low TCR of ±25ppm/°C or less, even in the low-resistance range. This limits the resistance drift due to heating-up to about half that of standard products in the low-resistance range, enabling high accuracy current detection that improves application reliability.



● PSR Series Advantages
ROHM’s PSR series of shunt resistors which feature excellent TCR even in the ultra-low-ohmic range has been well-received in the automotive and industrial equipment markets exposed to harsh temperature environments. Until now ROHM utilized ambient temperature derating for its shunt resistors, but this time terminal temperature derating has been applied, making it possible to drastically improve the rated power. For example, for the PSR500 series, the rated power has been increased from the conventional 5W to 15W, enabling support for a wider range of applications.


Design support Tools that Significantly Reduce Design Load

From October 2021, thermal simulation models for shunt resistors will be available on ROHM’s website. These models allow thermal design (which is a major issue during application design) to be simulated in advance, reducing design man-hours.


ROHM also offers current detection solutions combining ICs with discrete components that contribute to greater circuit efficiency and miniaturization. As an example, for motor drive circuits that require current detection for protection and control, adopting our class-leading low noise operational amplifiers together with shunt resistors makes it possible to achieve high accuracy current detection.



Ultra-High-Power Low-Ohmic Shunt Resistors: GMR Series Lineup


High Power Ultra-Low-Ohmic Shunt Resistors: PSR Series Lineup

授权代理商:世强先进(深圳)科技股份有限公司
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概念,方案,设计,选型,BOM优化,FAE技术支持,样品,加工定制,测试,量产供应服务提供:世强硬创平台www.sekorm.com
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本文由翊翊所思转载自ROHM,原文标题为:Expanded Lineup of Shunt Resistors Contributes to Miniaturization In High Power Applications,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。

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ROHM(罗姆)电机驱动器选型指南(英文)

目录- Motor Drivers Introduction    Motor Drivers Selection    Brushed DC/Stepper Motor Drivers    Brushless DC Motor Drivers    IPM/Gate Driver/ Power Device    Shunt Resistors    Motor Drivers    Motor Drivers Selection by Application    Package List    Motor Drivers Selection Table   

型号- RQ3L090GN,BD63130AFM,SH8MA2,BD16938AEFV-C,BU6821G,BD64350MUV,BD6981FVM,BD6231HFP,R6009JND3,R6020JNJ,SH8MA4,SH8MA3,BM63574S-VA,BD63282EFV,BM63574S-VC,BD68620EFV,R6025JNZ,R6025JNX,R60XXJNJ,BD6212FP,BD6231F,BD61243FV,BM6243FS,RGS30TSX2D,RGTXTM65D,BD63242EFV,BD16912EFV-C,BD69060GFT,HP8M51,RGS50NL65D,GMR,RQ7L055BG,BD6758KN,QH8MA2,QH8MA4,QH8MA3,BD63725BEFV,RJ1G12BGN,RGTXXTS65D,RGT40TS65D,BD6230F,BD6961F,BD65492MUV,RGTXXBM65D,BM62351MUV,BM62380MUV,BD62130AEFJ,BU24038GW,RGT50TM65D,BD62220AEFV,BD6968FVM,RD3P200SN,RS1G180GN,BD16852EFV-C,R6007JNJ,RJ1P12BBD,AG087DGD3,RGT50NS65D,SH8MC5,RGS60TS65D,RGS00TS65D,RGS00TS65E,BD63576NUX,BM6244FS,R6042JNZ4,RSJ301N10,RGT40TM65D,HP8M31,RMS338NA-005,R6018JNX,BD6995FV,BD63511EFV,SH8MB5,R6030JNZ,RF4L070BG,R6030JNX,R6070JNZ4,BD63007MUV,BM63577S-VA,RGT20NL65D,R6007JNX,RQ3G100GN,BD67891MUV,BM64378S-VA,BD63800MUF-C,BM63577S-VC,BD63720AEFV,RGS60NL65D,BD6380EFV,R6009JNX,R6020JNZ4,R6009JNJ,BD6422EFV,BM6249FS,RGS30NL65D,RQ3G150GN,BM63575S-VC,BD6211F,BM6241FS,RGT30TM65D,BM63575S-VA,BD68710EFV,R6004JNJ,BD63521EFV,BD63030EKV-C,BD63035EFV-M,BD6385EFV,R6030JNZ4,RX3G18BBG,BD6232HFP,BD6982FVM,RS1P600BE,RMS335ND-007,BM65364S-VA,BD16939AEFV-C,BM65364S-VC,RS1L180GN,BD63710AEFV,RX3G07BBG,QH8KA2,QH8KA1,BD16950EFV-C,RMS338ND-003,QH8KA3,BD6965NUX,BD69830FV,BD63001AMUV,BD6222FP,BD6210F,RF4G100BG,RGT,RGS,BD6964FVM,BD6389FM,BD63005AMUV,UT6KC5,RSJ650N10,BD63003MUV,BD63520AEFV,BU6823G,RGSXXNL65D,BM63375S-VA,BD63940EFV,BD61248NUX,BM64377S-VA,BM63375S-VC,BD6232FP,QH8MB5,RQ7G080BG,RGT00TS65D,BD6964F,BD65499MUV,RGS80TSX2D,BD6221F,BM6242FS,R6006JND3,BD63620AEFV,BD63150AFM,RS1L120GN,BD16805FV-M,R60XXJNX,R60XXJNZ,BD6376GUL,BD6423EFV,AG073DGS4,BD62110AEFJ,BU24020GU,RGS40NL65D,RGTXNL65D,RGSXXTS65D,RGSXXTS65E,RD3XXXXBG,BD6210HFP,RD3P08BBD,RGT16BM65D,RGT16TM65D,BD63524AEFV,QH8MC5,BD63730EFV,R6020JNX,R6020JNZ,BD65494MUV,BD63801EFV,BD62017AFS,BD6220F,BD63525AEFV,BD67173NUX,BD6736FV,RX3L18BBG,BD63251MUV,BU24033GW,BD63572MUV,BD6211HFP,BD63002AMUV,SH8K41,BD2310G,BM6247FS,BD63565EFV,RF4XXXXBG,UT6KB5,BD6381EFV,BD63731EFV,R60XXJND3,LTR18,RQ7XXXXBG,RGT20TM65D,RGT8NS65D,BU69090NUX,BD68720EFV,RGT40NL65D,BD63573NUV,BD61251FV,AG070DGS4,BD6222HFP,BD62210AEFV,SH8K39,R6004JND3,LTR10,RGT30NS65D,BM64070MUV,BD65496MUV,BD68715EFV,BD6382EFV,RD3G07BBG,RQ3XXGN,BU6909AGFT,BD16860AEKV-C,RGT16NL65D,BD63960EFV,RGS50TSX2D,RJ1G08CGN,BD62120AEFJ,BD65491FW,BD63715AEFV,BD63910MUV,R6004JNX,RD3L07BBG,QH8KB5,BM6248FS,BD65491FV,BD69730FV,QH8KB6,R6025JNZ4,BD62018AFS,BD63610AEFV,RX3L07BBG,RS1XXXXGN,AG004DGD3,BD63510AEFV,RGT40NS65D,RGTXXNS65D,BM64300MUV-EVK-001,BD62321HFP,BD6387EFV,RMS118NA-009,BD63015EFV,BM64300MUV,R6007JND3,RMS332ND-010,QH8KC6,QH8KC5,SH8K52,QS8M51,BM63374S-VA,BM63374S-VC,RGT80TS65D,UT6MA2,BD6962FVM,SH8KA4,BD6373GW,BD61245EFV,SH8KA2,SH8KA1,BD68610EFV,SH8KA7,GMR320,RGT50TS65D,LTR100,RGSX5TS65E,RGT30NL65D,RJ1L06CGN,SH8M41,R6050JNZ,BU24035GW,R6006JNX,R6018JNJ,RGSX5TS65D,BM6245FS,BD6237FM,RMS308NA-008,RGS80TS65D,QSBM51,BM63573S-VC,R6012JNX,BD62221MUV,BD6425EFV,RGT8TM65D,HP8MA2,BD62105AFVM,QS8M31,BD6212HFP,LTR50,RGSXXTSX2D,BD6971FV,BM64350MUV,BM64374S-VA,BU24036MWV,SH8M31,RMS318ND-002,BM63573S-VA,RGT8BM65D,BD6226FP,BD63920MUV,RD3G03BBG,BD60223FP,RMS332SD-012,BD63241FV,RMS332SD-011,RGT8NL65D,SH8KC6,RS1G300GN,RS1G120MN,GMR50,R6050JNZ4,LTR,BM63377S-VC,RSJXXXN10,BM64375S-VA,BM63377S-VA,GMR100,RGT60TS65D,BD6735FV,QH8K51,SH8KC7,RGT16NS65D,RGT20NS65D,BD63006MUV,BD6236FP,BM6246FS,R6012JNJ,BD6236FM,RJ1L12BGN,BM62300MUV,AG086DGD3,BD2320EFJ-LA,RJ1XXXXGN,SH8K26,RD3L03BBG,BH6766FVM,BD6383EFV,QSBM31,BM62350MUV,R6006JNJ,R60XXJNX,RGT50NL65D,BM63373S-VA,BD6967FVM,BM63373S-VC,BD64220EFV,SH8KB7,SH8KB6,BD63740FM,BD6326ANUX,R60XXJNZ4,SH8M51,BD69740FV,BD6753KV,BD6225FP,SH8K12,BD63860EFV,SH8K11,RX3XXXXBG,BD61250MUV

2021/12/23  - ROHM  - 选型指南  - Ver.13.1 代理服务 技术支持 采购服务

PSR/GMR/PMR/PML交叉引用

描述- 本资料为ROHM公司电阻分部发布的交叉参考表,列出了PSR、GMR、PMR和PML系列电阻的尺寸、型号以及与Vishay、YAGEO、Bourns和Isabellenhutte等品牌的对应型号。表格中包含了不同尺寸电阻的详细型号对照,便于用户查找和选择合适的电阻产品。

型号- CSS2H-5930,PSR SERIES,CRK0612,PE2817,WFMA2010,CRA2512,GMR320,PA0508,WFMB2010,CSI2H-5930,PSR400,CFN1206,CSS2H-2512,CSS2H-3920,WSL1020,GMR,PSR,WSL2512,WSL0612,PMR03,PE2010,GMR SERIES,PA0612,WSLF2512,SMP,SMS,PMR100,PA2512,PA1225,SMT,PMR01,WSLP5931,CRF1206,PML50,CFN0603,PSR350,PML10,PML100,CSI2H-2512,CSI2H-3920,CFN0402,CRE2512,GMR50,WFMA2512,PU5931,GMR100,CFN0805,PA0805,WFMB2512,PA0603,VLK,WSHP2818,PMR18,CFG0612,PSR100,PA0402,PMR50,WSL0805,CRF0805,VLP,WSL0603,PSR500,PML18,WSLP3921,PMR10,PU2512,PA2010,PML SERIES,PU3921,FMK,BVS3920,FMP,WSL2010,FMS,PML,PMR SERIES,WSL1206,PMR25,BVE5930,VMI,PMR,PA1206,BVT2512,PSR330,CRF2512,WSL2816,PE2512

June 2024  - ROHM  - 对照表 代理服务 技术支持 采购服务

PSR系列 大功率金属板分流电阻器

描述- ROHM推出适用于电流检测用途的超低阻值型大功率金属板分流电阻器PSR系列,新增业界超薄产品PSR350,支持大功率和大电流应用,助力产品小型化。产品包括PSR330、PSR350、PSR400和PSR500等,适用于车载、工业设备和消费电子等领域。

型号- PSR350,PSR系列,PSR100,PSR330,PSR500,PSR,PSR400

04.2023  - ROHM  - 商品及供应商介绍 代理服务 技术支持 采购服务

【元件】罗姆6432尺寸金属板分流电阻器PMR100新增3款超低阻值产品,助力工业设备等应用产品小型化

ROHM面向车载设备、工业设备和消费电子设备的电机控制电路和电源电路等应用,在标准型6432尺寸(6.4mm×3.2mm)金属板分流电阻器“PMR100”产品阵容中,推出3款额定功率为5W、电阻值分别为0.5mΩ、1.0mΩ、1.5mΩ的新产品。

2024-04-03 -  产品 代理服务 技术支持 采购服务

汽车应用手册

描述- ROHM致力于汽车电子领域,提供高性能、高可靠性的半导体和电子组件。公司采用垂直整合的生产系统,确保产品质量和稳定供应。ROHM的产品涵盖从电阻到半导体、IC和模块的广泛产品线,专注于节能、小型化、安全和安全性。公司还提供设计支持和仿真工具,以优化电路配置和拓扑选择,满足客户的应用需求。

型号- YQ10RSM10SD,BD52W04G-C,PSR SERIES,BD900N1W,BD5310XG-CZSERIES,YQ12RSM10SD,YQ15RSM10SD,SCT4062KW7HR,BR25H020,BR24H64,BD900N1G-C,YQ20BM10SD,BD9XXN1 SERIES,BD933N1,SCT4045DRHR,PSR400,BD5310XG-CZ,BD933N1WG-C,YQ3LAM10D,BD52W01G-C,SCT4026DEHR,SCT4062KRHR,BR25H128,BR25H010,BR25H1M,BR25H256,BD53103G-CZ,RB520ASA-30FH,BD950N1WEFJ-C,RB551ASA-30FH,BD53106G-CZ,BD950N1WG-C,BM2LE160FJ-C,BV1LE080EFJ-C,YQ2LAM10B,SCT4045DEHR,BD54105G-CZ,BR24H01,BR25H320,BM2LE250FJ-C,BR24H02,RGW00TS65CHR,BR24H04,YQ2MM10A,BR25H040,RB751ASA-40FH,BV1LE250EFJ-C,BR25H160,BR24H08,SCT4026DW7HR,YQ40NL10CD,BD52W03G-C,RB520ASA-40FH,SCT4045DW7HR,BD48W00G-C,RGW80TS65CHR,CISPR25,BD7XXL05G-C SERIES,BD53108G-CZ,BD54103G-CZ,BD52W06G-C,RB521ASA-30FH,BR24H512,BR24H256,BD900N1EFJ-C,RB550ASA-30FH,BR24HXXX-5AC,BR25HXXX-5AC SERIES,BD7XXL05G-C,BR24H1M,SMLVN6RGBFU,BD54102G-CZ,BD950N1,BD48HW0G-C,REFLED003-EVK-001,REFLED003-EVK-002,SCT4036KEHR,REFLED003-EVK-003,YQ8RSM10SD,BD9XXN1,REFLED003-EVK-004,YQ5RSM10SD,BR24H128,YQ3MM10B,YQ3RSM10SD,RB886ASAFH,BD53104G-CZ,YQ30NL10CD,BD52W05G-C,YQ SERIES,PSR,BD900N1WEFJ-C,BM2LEXXXFJ-C,YQ30NL10SE,BD733L05G-C,SCT4062KWAHR,BD933N1WEFJ-C,YQ30NL10SD,BD54107G-CZ,BD950N1W,BD725L05G-C,BM2LE040FJ-C,BR24H16,BD933N1W,BD730L05G-C,BD750L05G-C,BD900N1,BD933N1G-C,PSR350,REFRPT001-EVK-001,BD52W02G-C,SCT4036KRHR,BR25HXXX-5AC,BR25H512,BD933N1EFJ-C,BD950N1EFJ-C,BM2LE080FJ-C,BR25H640,BD53105G-CZ,BR24HXXX-5AC SERIES,BR25H080,PSR100,BV1LEXXXEFJ-C SERIES,BD950N1G-C,PSR500,YQ2VWM10B,YQ20NL10CD,LMR1901YG-M,RGW60TS65CHR,BD5410XG-CZ,SCT4062KEHR,BV1LE040EFJ-C,YQ1VWM10A,BD54104G-CZ,YQ60NL10CD,BD900N1WG-C,BD9S402MUF-C,SCT4045DWAHR,YQ20NL10SE,BV1LE160EFJ-C,YQ20NL10SD,BM2LEXXXFJ-C SERIES,BD53107G-CZ,BR24H32,YQ5LAM10C,YQ5LAM10D,YQ5LAM10E,SCT4026DRHR,PSR330,SCT4026DWAHR,BV1LEXXXEFJ-C,BD5410XG-CZ SERIES

04.2024  - ROHM  - 应用笔记或设计指南  - Ver. 3.0 代理服务 技术支持 采购服务
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位移传感器量程定制

可定制位移传感器量程范围10~600mm,该YWD型位移传感器表面有带刻度的透明窗☐,每毫米的变化量误差不超过3ue/mm,可在静态、准静态和低频动态下工作。主要指标:非线性<0.2%;供桥电压<10v;测试精度:0.01mm。

最小起订量: 1 提交需求>

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授权代理品牌:加工与定制

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