High Accuracy Window Voltage Detector with Diagnostic Method, Having a Wide Operating Voltage Range

2023-08-23 Nisshinbo

Voltage Detectors are widely used to monitor a specific supply voltage and are available in many shapes and sizes. Its general function is to detect a drop in the supply voltage, which may disrupt the proper operation of an application. For certain high reliability applications, this kind of supervision is not sufficient. The R3154 consists of two high accuracy voltage detectors, each with built-in hysteresis that makes the device less sensitive to supply voltage noise and ensures a stable operation. The R3154 monitors whether the supply voltage operates within a specific safe area and provides a reset signal when the supply voltage exceeds an overvoltage or undervoltage threshold. An additional test pin enables a diagnostic method to verify the proper operation of the voltage detector periodically.




Conventional voltage detectors are usually supervising a low-voltage power supply and its power source (LDO or DC/DC Converter) is commonly shared with the MCU application processor. In case this power source fails or starts up slowly, the voltage detector may fail to operate or has an unstable output.



The design of the R3154 has been enhanced and offers several important benefits:

1、The supply and the measuring pins are separated, this makes the voltage detector more flexible to measure a voltage within the circuit and at a very low sense voltage level.

2、It has a wide operating voltage range, therefore it can be powered directly from car batteries and function independently from the power source for the processor.

3、A built-in voltage regulator makes the voltage detector’s operation independent and stabilizes voltage fluctuations of a car battery, even during a tough cranking condition.

4、An additional test pin makes it possible to periodically check the correct functioning of the monitoring circuit.

5、The sense voltage (Max. -1.25 to 0.75%) and hysteresis level (Typ. 0.5%) have a superior accuracy level, this is very suitable to fit into the MCU’s operation voltage specifications including temperature deviations. A malfunction is detected in an early stage, this is especially important for safety critical applications and for automotive systems requiring fault detection including ECU, ADAS, control units including EV inverters and charge controllers.



Conventional reset and window voltage detector ICs require costly high-precision resistors to obtain a narrow sense voltage range. On the other hand, monitoring with an A/D Converter requires a sensitive resistance to ensure the precision and one cannot measure continuously for an anomaly detection. With the R3154 one obtains a high precision, continuous monitoring system according to the customers demand. Several product versions are available with internally set threshold voltage settings specified in 0.01 V increments.


Output:

As for the output delay time, it can be specified by using an external capacitor connected to the Cd pin. In this way one can set the delay time long enough to reset the processor properly. The R3154 has an N-channel open drain output that needs a pull-up resistor to specify the logical high signal.


Robust design and reliability:

The R3154 has a very robust design; a short between adjacent pins will not lead to any damage of the chip. In particular, the Cd pin has a high voltage rating of 50V preventing damage to the chip in the event of a short circuit between adjacent pins. The R3154 is available in four different quality grades targeting consumer, industrial and automotive markets (AEC-Q100 compliant soon).


Conclusion

The R3154 is intended for use in a wide variety of applications that require a higher degree of reliability; we have product versions available for automotive, industrial, as well as consumer equipment. It monitors for any excessive increase or decrease of the processor’s supply voltage with high accuracy, whereby a failure of the system is detected at an early stage. This is especially important for safety-critical automotive applications because it significantly improves functional safety, useful for ASIL-B / C systems including ECU, ADAS and control units, including EV converters and charge regulators. The R3154 is included in our product longevity program in order to support specific long-term projects; products included in this program remain available for at least 10 years.


About NISSHINBO

New Japan Radio Co., Ltd. and Ricoh Electronic Devices Co., Ltd. of the Nisshinbo Group were integrated and started operation as Nisshinbo Micro Devices Inc. in January 2022. Nisshinbo integrated the strengths of both companies and refine "Connect Everything" technology, and, therefore, strive for further growth and development as an "Analog Solution Provider toward the realization of an ultra-smart society.

 


授权代理商:世强先进(深圳)科技股份有限公司
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本文由吃饱了才有力气减肥转载自Nisshinbo,原文标题为:High Accuracy Window Voltage Detector with Diagnostic Method,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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数据手册  -  NISSHINBO  - 2024/9/12 PDF 英文 下载

日清纺微电子公司介绍

型号- R1515,NJU77242R,R1516,NJM2902B,R1513,R1514,NP4271,R3118N,R1517,R1518,NJU7089,NJU7890YPM,R3134,RN5C750,R1511,R3134N,R1191,R1190,NJW1871A(,NJW4142,NJW4140,R5107G,NC2905,R1526,R1524,R1525,NJG1159,NJU7077,NJU7870,NJG1155,NJG1150,R1245,R5106N,NJM11100,RN5T569,RP550,RP154,R3116L,NJG1144,R3116N,NJU77701,R3500S,R3150,NJG1159PHH-A,NJU77903DL3,R3121NXXXA,RP108,R3154,R3121NXXXG,R5105N,RP506,R3152,R3121NXXXE,R3151,NJW4760,NJM12884,NJG1801AKGC-A,RP170,RP171,NJU7890,R1540,R5106,R3150NXXXE,R5107,R3150NXXXF,R5108,R5109,R3117N,NJU77552,NJM8532,R5115S,R5105,R3160,NJG1815AK75-A,R3150NXXXA,R3150NXXXB,R1260,NJW4133,R3160N,NJG1815,NJG1812,NJU7046,NV3601,NJU7047,NJU77242,NV3600,R1276,R5117,R1277,R1275,R3154N,R5114,NV3600N,R5114S,R1278,R5115,R5116,NJW4107,NJW1871,NJW4106,NR1640,R5110,NJW4105,R5111,R5112,NJW4104,RN5T5611,R1272,R5111SXX2D,R1273,NR1640DC330X,R5115L,R5111SXX2C,R1270,ND1433,R1271,R1150,R5110SXX1A,R5110SXX1B,NP8700,R5110LXX2C,NJW4182,R5110LXX2D,NJG1801,NJU7367B,R3119NXXXA,NJM41005,R1560,R1561,NV3601N,R3500,R5111LXX2C,R5111LXX2D,NJG1187A-A,R5114L,NJW4750,R5110SXX2D,NJG1812AMET-A,NJW4110,R5110SXX2C,RP111,RP510,RP115,R3151NXXXB,R3151NXXXE,R3119,R3151NXXXA,NJG1187,R3120NXXXE,R3118,R3120NXXXA,R3117,R3116,NJM2904B,NJW4203,NC2780,R3152NXXX$-TR-#E,R1294,NR4254,R3119NXXXE,R3151NXXXF,NJG1815-A,R5109G,NJU7057,NR4250,NR4252,NJG1801BKGC-A,R1500,R1501,R1180,R3152N,R3121,R1580,R3120,R5111SXX1B,NJU77903,R5111SXX1A,NJM2879,RP130,NJW4175,RP132,NJW4171,R5108G

商品及供应商介绍  -  NISSHINBO  - 25 August 2023 PDF 中文 下载

Nisshinbo(日清纺)车载用芯片选型指南(英文)

描述- "Nisshinbo Micro Devices Inc. is the result of the integration of former New Japan Radio Co., Ltd. and former RICOH Electronic Devices Co., Ltd. Both companies, having contributed to expanding the Nisshinbo Group's microdevices business so far, will further grow as an ""Analog Solution Provider"" for growing markets by strengthening structure and achieving synergies through business integration.

型号- R1515,R1516,R1513,R1514,R1517,R1518,NJU7089,R3134,R1511,R1510,R1191,NJG1187KG1,R1190,NSNJ9205,R1526,R1524,R1525,NJU7077,NJU7870,NSNJ9208,NA1150,NJU72040,R8156,R8153,R8152,R8155,RN5T569,R8154,R8151,RP550,R8150,NJG1814MD7,NJG1175KG1,NJU77701,NJG1159PHH-A,RP108,R3154,R3152,NJW4760,R8160,NJG1801AKGC-A,NJG1182UX2,R3120XXXXE,NJU7890,NSNJ9200A,R3120XXXXA,NJG1186PJL-A,R1540,R5106,R5107,NJG1804K64,R5108,R5109,NJG1150UA2,R5104,R5105,R3160,NJG1815AK75-A,NJU72015,NT1191GEAE3A,NL6012,R8315XXXXA,NV3601,R8315XXXXB,R8315XXXXE,R8315XXXXF,NV3600,R1276,NJG1681MD7,NJG1669MD7,NJG1155UX2,R1278,NJW4107,NJW4106,NJW1871,NR1640,NJW4105,NJW4104,R1272,NJM2369,R1273,R8300XXXXA,R1270,ND1433,R1271,R1150,MUSES8920A,R8300XXXXE,R8300XXXXG,NJM41001,NJM41005,R5524,R8359,R8358,NJG1684ME2,R5523,R8355,NJW4116,R8357,R8356,R1163,NJW4110,NJG1818K75,NJM2815,NJM2816,RP510,NJW4152BA,R3118,R3117,R3116,NJM2904B,NJM8208,NJG1144KA1,R1290,R1170,NJW4203,R1294,R1171,R1172,NT1193FAAE1S,NJM2903,R8360,NJU72060,NJU71091,NJG1801BKGC-A,NJU71094,R1500,R1501,R1180,R3119XXXA,NT1192FAAE1S,R3119XXXB,NJM2119,NP4271,NJM8532T1,RN5C750,R1114,R8300,NJW4148,NJW4142,NJW4140,NC2905,NJU77572,NJG1187AKGC-A,NJU8759A,NJU7907A,NJU7047T1,R1245,NJW4830,NJM11100,NJW4154,NJG1809ME7,RP154,NJU72090,NJM8080,NJU72097,NJG1802K51,NJM8087,NJW4119,RP506,R1130,NJM12884,RP170,RP171,NT1195FAAE1S,NJU77552,NJM8532,NJG1801K75,NL9000,R1260,NJW4133,NJW4254,NJW4132,NJW4250,NJU7046,NJU7047,NJU77242,R3119XXXXA,NJW4152-BA,R3119XXXXE,R5117,NJG1806K75,NJG1812MET-A,R5114,NJG1817ME4,R5115,NJW1871A,R5116,R5110,R5111,R3121XXXXG,R5112,RN5T5611,R3121XXXXA,NP8700,NT1191GEAE3S,NJG1815K75,R3121XXXXE,NJW4182,NJU7367B,NJU77252,R3151XXXXE,R3151XXXXF,MJU71091,R3151XXXXA,R1560,R1561,R3151XXXXB,NJW4868,R3500,NJW1241,NJW1240,NJG1812AMET-A,NJW4750,RP111,RP115,NJU77582,R1211,NJG1161PCD,NJW4722,NJW4841,NC2780,NJG1682MD7,NJU7907B,NR1700,NJU7057,R3150XXXXE,R3150XXXXF,R1580,NJU77903,NJM2879,RP130,NJW4175,RP132,NJW4171,R3150XXXXA,R3150XXXXB

选型指南  -  NISSHINBO  - 2024/1/18 PDF 英文 下载

R3154N Series AEC-Q100 Grade1 42 V Input Window Voltage Detector with Diagnostic Function for Automotive Applications

型号- R3154NXXXA-TR-##,R3154N204A,R3154N203A,R3154N206A,R3154N205A,R3154N202A,R3154N201A,R3154NXXXA-TR-#,R3154N,R3154N207A,R3154N SERIES

数据手册  -  NISSHINBO  - 2024/9/12 PDF 英文 下载

Nisshinbo(日清纺)电子芯片选型指南(英文)

描述- Nisshinbo Micro Devices Inc.is the result of the integration of former New Japan Radio Co., Ltd. and former RICOH Electronic Devices Co., Ltd. Both companies, having contributed to expanding the Nisshinbo Group's microdevices business so far, will further grow as an "Analog Solution Provider" for growing markets by strengthening the structure and achieving synergies through business integration.

型号- NJM2902C,NJM2902B,NJU7076B,R3134,R3133,R2045,R1191,R5550,NJW4303,R1190,NJM2842,R3132,NJM2841,R2043,R3130,NJM2846,NJM2845,NJM2847,NJL5901AR-1,NJM5532C,NJM2901C,R5110XXX1A,R5110XXX1B,NJM393C,R5326,NJG1697EM1,R5324,NJW4315,NJU1206MER,NJM2855,R2051,NJM2857,NJM2856,NJW1280,NJU7098A,NJM2902CA,R5110XXX2C,R5110XXX2D,NJM390A,NJU211,R2061,NJM2820,R3154,NJM2822,R3152,NJW4760,NJM2821,NJM2823,NJM2825,NJM2828,NJG1801AKGC-A,NJM2827,NJM2829,NSNJ9200A,NJM064C,NJM391A,RS5C338A,R5106,R5107,NJU3610,R5108,R5109,R5105,NJM2151A,R3160,NJM2831,NT1191GEAE3A,NL6010,NJM2830,NA2100,NJM2835,NL6011,NJM2837,NL6012,NJM2836,NJM2839,NJU9102A,NJL5902R,R1155,NJG1669MD7,R1154,NJW4107,NJW4106,NJU72501,NJW4105,NJW4104,NJM2570A,R1150,NJW4100,NJM2801,NJM2804,NJM2806,NJM2805,R5528,NJM062C,R5524,R5527,R5520,NJW4109,NJG1684ME2,R5523,NJW4108,NJG1188KG1,NJW4118,NJW4116,R1163,NJW4113,R1160,R1161,NJW4111,NJW4110,NT1193FAAE2S,NJW4351,NJM2815,NJM2816,NJM12877,NJW4162A,NJU7381A,NJG1108HA8,NJM2904CA,R3114,R2025,NJM2819A,R3112,NJG1617K11,R5538,R3111,R2023,R3118,R3117,NJM2904C,R5533,R3116,NJM2904B,NJG1144KA1,R1170,R3200X064A,NJMOP177,R1173,NJM2374A,R2262,R1171,NJW1298,NJW4321,R1172,NJW4320,NJM78M00S,NJM2903C,NJU7382A,NJM084C,RN5T618,NJG1801BKGC-A,R2033,R5543,R1180,R5540,R5541,NJM2373A,NJG1657MD7,NJM12856,NJU7365,NJU7366,NJU7367,NJU7092A,NJU7364,NJM2748A,RP600,MUSES8832,RN5U700,RP602,RP604,RN5T614,RP605,NT1819NAAE2S,NB7200,NJU7360,R1801,NSVS1145B,NJU77572,NJU7356,R1800,NJM41001T,RN5RZ,NJU8759A,NJU7093A,NJU7116,NJL6402R-2,NJU7118,NJU7119,NJM2505A,NJW1200,NJG1740MHH,MUSES8820,RN5VD,NJU72090,NJU7387,R1810,NJU7141,R3200X002X,NJU7384,NJU7385,NJU7386,NJU72097,RM590,NJU7380,NJG1730MD7,NJU9555,NJM17431,NJM2769B,NJU77550,NJU7091A,R3200X001X,NJU77552,NJU77551,NJU77554,NJU6311 SERIES,NT1189GDAE3S,NJU6322 SERIES,NSVS1231B,NJU9103,RC5T619X,NB7400,NJU9102,NJU9101,R5117,NJM2880,R5116,NJM2882,NJM2881,NJM2884,NJU6376 SERIES,R5112,NJM2883,NJM2641,NJM2886,NJW1230,NJM2885,R5590,NJM2888,NJM2646,NJM2887,NL6002,NT1191GEAE3S,NJM2407,R3121XXXXE,NJM8191,NJM8190,NJU6063,NJU7394,RM517,RV5C348B,RV5C348A,NJG1812ME4,NJM2893,NJM2173A,NJM2892,NJM2894,NJW1241,NJW1240,NJG1812AMET-A,NJU7392,NJU6062,NJU6061,NJU77580,NJU77582,NJU6360 SERIES,NJU6212 SERIES,NJU6365 SERIES,RN5RF,NJU6402B,NJM2860,NJM2862,NJM2861,NJL5909RL-4,RN5RL,NJM2864,NJM2863,RN5RK,NJM2866,NJG1682MD7,NJM2865,NJM2868,NJU7181,NJM2626,NJM2867,NJM2627,RN5RT,NJL5830R,NJL6195R,NJW2307,NJM2749A,NJM2871,NJM2870,NJG1159PHH,NJW2311,NJM2872,NJM2875,NJM2874,NJM2877,NJM2876,NJM2879,NJU6080,NJM2878,NJG1816K75,NJG1143UA2,NJU7640,NJM14570,NJU6311,NJM2288,RP200,RS5C372A,RP201,RS5C372B,RP202,NJW1143A,NJU7630,NJU7631,NJU7632,NJM2872A,NJU71074,NJM8830,NJM2294,NJM2299,NJM2059,NJM2058,NJM2872B,NJG1145UA2,NC2701MA,NJG1814MD7,NJU8759,NJU71041,NJG1146KG1,NJMOP1772,NJU8758,NJW1142A,NJU71044,NJW4305A,NJM5532,NJM084CA,NJM8801,NJM2871A,NJL6193R-3,NJM2871B,R3120XXXXE,NJU6323,NJU6322,R3120XXXXA,NJU6321,NJU7650,NJG1186PJL-A,NJU6324,NJW1933,NJM2275,NJM2274,NJM2278,NJM1431A,NJL6407R,NJM3414A,NJL6502R-1,NJM14558,NJU7200,NJU7201,NJU7202,NJM2768B,NJU6350,NJU7680,NA7200,RP402,NJG1151MD7,NC2600,RP400,RP401,NJU7098AF1-C,MUSES72323,NS1101,NJU7670,NS1102,NJU7677,NJM78M00,NJM41005T,NJG1818K75,NJM358C,NJU7222,NJU7223,NJG1648HB6,NSVS1126B,NJL6401R-3,NJU6377,NJU6376,NJU7221,NSTS1431B,NJM082CA,NJU7211,NJU6363,NJU6360,NJU7691,NJU6367,NJU6366,NJU6365,NJU6364,NJU6369,NJU6368,NJM358CA,NJU77903-Z2,NJU7690,R1232,NJM2586A,NJU6221 SERIES,RN5C752,NJD3015,RN5C750,NJM064CA,NJW4148,R5111XXX1A,R5111XXX1B,NJW4142,NJW4141,NJW4140,NJW4382,NJW4750T1,NJM45001,NSTS9118B,NJW4381,R1243,R5601,R5602,R1242,NJU72322,R1245,NC4650,R5111XXX2D,NJU72315,NJG1186PJL,NJW4615A,NJU72750A,NJM2561B,NJG1800NB2,R1240,NJM2561A,NJW4155,R5111XXX2C,NJW4154,NJW4153,NJM13403,NJM13404,NJU7388B,NJG1739K51,R5617,R5612,R5613,NJU6367 SERIES,NJM393CA,R5610,NJW4119,R5611,NJW4128,NJU72751A,NJW4810A,NJM2584A,NJW4122,NJW5211,NJW5210,NJW4120,MUSES72320,NJG1173UX2,NSTS9116A,NJD3006,NJW4152-AB,NJD3004,NJU71091T1,NJD3007,NJG1801K75,NJW4138,NJM2583A,R1260,NJW4133,NJW4132,NJL6195R-W,NJW4372,NSTS9117A,NJU7386A,ND1160,NJU7606,NJM2566A,NJU7600,RN5C713,NJU7601,NJW1871A,NJU7602,RN5C711,RN5C716,NJM062CA,NJW4188,NJW4187,NJU7367A,NJW4186,NJU4051B,NJW4185,NP8700,NJW4184,NJW4183,NJW4182,NJW4181,NJU7367B,R1207,NJW4190,R1208,R1205,R1206,R1200,NJU71031,NJG1127HB6,NJG1156PCD,NJMOP2277,R1203,R1204,NJU71032,R1202,NJU77806,NJG1666MD7,NJW4196,NJW4191,R1218,NJU7620,NJU4053B,NJM2060,R1210,R1211,R1214,R1215,R1212,R1213,NJM2068,NM2101,NJU3711A,NJM339C,NJW4161,ND1130,NJW4160,NR1700,NJG1686MHH,NJU7610,R1225,R8300XXXXA/G,NJU72344,NJU72343,R1223,NJU72342,R1224,NJU72341,R3150XXXXE,R3150XXXXF,NC2650,NJW4177,NJU4052B,NJW4175,NJG1117HA8,NJW4171,NJW4170,R3150XXXXA,R3150XXXXB,NJM41031,NJU7870-Z2,NJM41033,NJM8020,NJU7086,NJM2903CA,NJM41035,R5114XXX2,R5114XXX1,NJU7089,NJU7391A,R5436,R5437,R5438,NJM8021,R5439,R5432,R5433,R5434,R5435,NJU6394 SERIES,NJG1187KG1,NJW1159,NJM2723,NJM2725,NJU7084,NJU7085,NJM2729,NJM41041,NJM41042,NSNJ2016,NJM41045,NJU7076,NSTS9110A,NJU7077,NJU7078

选型指南  -  NISSHINBO  - 2024/5/14 PDF 英文 下载

R3154N(-R) Series Voltage Detectors Reliability Test Report(303154NR)

型号- R3154N-R,R3154N,R3154N-R SERIES,R3154N SERIES

测试报告  -  NISSHINBO  - Ver.Aa  - 2023/11/8 PDF 英文 下载

R3154N Series 42 V Input Window Voltage Detector with Diagnostic Function for Automotive Applications

型号- R3154N204A,R3154N203A,R3154N206A,R3154N205A,R3154N202A,R3154N201A,R3154NXXXA-TR-#,R3154N,R3154N207A,R3154N SERIES

数据手册  -  NISSHINBO  - 210917 PDF 英文 下载

R3154N Series 42V Input Window Voltage Detector with DiagnosticFunction

型号- R3154NXXXA-TR-##,R3154N,R3154N SERIES

数据手册  -  NISSHINBO  - 220518 PDF 英文 下载 查看更多版本

日清纺推出满足工业需求的电源管理IC,包含高精度过压和欠压监控器,具有输入电压下降预警

日清纺拥有广泛的电源管理IC系列,可满足功能安全标准,例如具有高精度过压/欠压监控器的复位IC,具有内置看门狗定时器的电源管理IC,可实现高抗噪性的LDO稳压器, 具有输入电压下降预警的电源管理IC等。通过从电源管理IC的角度提出解决方案,日清纺将帮助客户轻松设计满足功能安全要求的工业设备。

原厂动态    发布时间 : 2023-08-14

R3154N-Y Series 42 V Input Window Voltage Detector with Diagnostic Function for Industrial Applications

型号- R3154N-YE,R3154N204A,R3154N203A,R3154N206A,R3154N205A,R3154N-Y,R3154N202A,R3154N201A,R3154N-Y SERIES,R3154NXXXA-TR-YE,R3154N207A

数据手册  -  NISSHINBO  - 210224 PDF 英文 下载

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授权代理品牌:加工与定制

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