Automotive-Compliant Current Shunt Monitors from Diodes Incorporated Enable High-Precision Voltage Sensing for Rapid System Fault Detection
Diodes Incorporated (Nasdaq: DIOD) has launched the ZXCT18xQ series of automotive-compliant high-precision current shunt monitors. These instrumentation amplifiers measure small sense voltages across common-mode voltages up to 26V while operating from 2.7V to 5.5V supply.
The series includes the ZXCT180Q for unidirectional current measurement and ZXCT181Q for bidirectional flow, featuring four fixed voltage gain options. Applications include ambient lighting control, battery management, and heated seats. The devices operate at temperatures from -40°C to +125°C and are priced at $0.11 and $0.12 for 1,000-piece quantities respectively.
Diodes Incorporated (Nasdaq: DIOD) ha lanciato la serie ZXCT18xQ di monitor di shunt di corrente ad alta precisione conformi agli standard automobilistici. Questi amplificatori di strumentazione misurano piccole tensioni di rilevamento su tensioni comuni fino a 26V, operando con un'alimentazione da 2,7V a 5,5V.
La serie include il ZXCT180Q per la misurazione di corrente unidirezionale e il ZXCT181Q per il flusso bidirezionale, presentando quattro opzioni di guadagno di tensione fisso. Le applicazioni comprendono il controllo dell'illuminazione ambientale, la gestione delle batterie e i sedili riscaldati. I dispositivi operano a temperature comprese tra -40°C e +125°C e sono prezzi a $0.11 e $0.12 per quantità di 1.000 pezzi rispettivamente.
Diodes Incorporated (Nasdaq: DIOD) ha lanzado la serie ZXCT18xQ de monitores de derivación de corriente de alta precisión cumplidores de las normativas automotrices. Estos amplificadores de instrumentación miden pequeñas tensiones de detección en tensiones de modo común de hasta 26V mientras operan con un suministro de 2.7V a 5.5V.
La serie incluye el ZXCT180Q para la medición de corriente unidireccional y el ZXCT181Q para el flujo bidireccional, con cuatro opciones de ganancia de tensión fija. Las aplicaciones incluyen el control de iluminación ambiental, la gestión de baterías y los asientos calefaccionados. Los dispositivos operan a temperaturas de -40°C a +125°C y tienen un precio de $0.11 y $0.12 para cantidades de 1,000 piezas respectivamente.
Diodes Incorporated (Nasdaq: DIOD)는 자동차 호환 고정밀 전류 샌드 모니터 시리즈 ZXCT18xQ를 출시했습니다. 이 계측 증폭기는 2.7V에서 5.5V 전원 공급에서 작동하면서 26V까지의 공통 모드 전압에서 작은 감지 전압을 측정합니다.
이 시리즈에는 단일 방향 전류 측정을 위한 ZXCT180Q와 양방향 흐름을 위한 ZXCT181Q가 포함되어 있으며, 4개의 고정 전압 증폭 옵션을 제공합니다. 응용 프로그램에는 주변 조명 제어, 배터리 관리 및 heated seats가 포함됩니다. 장치는 -40°C에서 +125°C까지의 온도에서 작동하며, 각각 1,000개 수량 기준으로 $0.11 및 $0.12에 판매됩니다.
Diodes Incorporated (Nasdaq: DIOD) a lancé la série ZXCT18xQ de moniteurs de shunt de courant haute précision conformes aux normes automobiles. Ces amplificateurs d'instrumentation mesurent de petites tensions de détection sur des tensions de mode commun allant jusqu'à 26V tout en fonctionnant avec une alimentation de 2,7V à 5,5V.
La série comprend le ZXCT180Q pour la mesure de courant unidirectionnel et le ZXCT181Q pour le flux bidirectionnel, avec quatre options de gain de tension fixe. Les applications incluent le contrôle d'éclairage ambiant, la gestion des batteries et les sièges chauffants. Les dispositifs fonctionnent à des températures allant de -40°C à +125°C et sont proposés à des prix de 0,11 $ et 0,12 $ pour des quantités de 1 000 pièces respectivement.
Diodes Incorporated (Nasdaq: DIOD) hat die ZXCT18xQ-Serie von hochpräzisen Strommessshunts für den Automobilbereich vorgestellt. Diese Instrumentierungsverstärker messen kleine Erkennungsspannungen bei gemeinsamen Modusspannungen von bis zu 26V und arbeiten mit einer Versorgungsspannung von 2,7V bis 5,5V.
Die Serie umfasst den ZXCT180Q zur unidirektionalen Strommessung und den ZXCT181Q für bidirektionalen Fluss, mit vier festen Spannungsgain-Optionen. Zu den Anwendungen gehören die Steuerung der Umgebungsbeleuchtung, das Batteriemanagement und die beheizten Sitze. Die Geräte arbeiten bei Temperaturen von -40°C bis +125°C und kosten jeweils $0,11 und $0,12 bei einer Menge von 1.000 Stück.
- Expansion of product portfolio in the automotive sector
- Competitive pricing at $0.11-$0.12 per 1000 units
- Multiple configuration options increasing market applications
- None.
Insights
The ZXCT18xQ series represents a significant advancement in automotive current monitoring technology. The device's ability to measure minute voltage changes across a wide 26V common-mode range while operating on low power (2.7V to 5.5V) is particularly noteworthy. The four gain options (20V/V to 200V/V) and high bandwidth (up to 400kHz) enable precise current measurements important for modern automotive systems.
The pricing at
The ZXCT180Q current monitor supports unidirectional current measurement, whereas the ZXCT181Q also supports bidirectional flow. The ZXCT180Q has two pin assignment configurations—versions A and B—with its OUT-pin at different locations, allowing flexibility during PCB layout. When the ZXCT181Q is used for bidirectional current sensing, such as those found in battery management systems, a voltage is introduced to the REF-pin. This action serves to offset the output voltage. For unidirectional current flow, the REF-pin of the ZXCT181Q is tied to GND.
The ZXCT18xQ series has four fixed voltage gain options—20V/V, 50V/V, 100V/V, and 200V/V. These devices measure voltages across shunts at common-mode voltages from -0.3V to 26V, independent of the supply voltage with a maximum supply current of 370µA. They support small-signal bandwidths as high as 400kHz at 20V/V and fast large-signal slew rates of 2V/µs. These capabilities enable them to detect rapid changes in the sensed current as well as quickly slew the output for applications that require a quick response to input current changes.
The launch of the ZXCT18xQ series strengthens Diodes’ 26V power rail current monitoring portfolio. It complements the previously released ZXCT199Q and the ZXCT21xQ series, which support highly precise high- and low-side current sensing across sense voltages down to 10mV.
All versions of the ZXCT18xQ series are specified for an operating temperature range of -40°C to +125°C.
The ZXCT180Q and ZXCT181Q are available at
About Diodes Incorporated
Diodes Incorporated (Nasdaq: DIOD), a Standard and Poor’s SmallCap 600 and Russell 3000 Index company, delivers high-quality semiconductor products to the world’s leading companies in the automotive, industrial, computing, consumer electronics, and communications markets. We leverage our expanded product portfolio of analog and discrete power solutions combined with leading-edge packaging technology to meet customers’ needs. Our broad range of application-specific products and solutions-focused sales, coupled with global operations including engineering, testing, manufacturing, and customer service, enable us to be a premier provider for high-volume, high-growth markets. For more information, visit www.diodes.com.
*Automotive-compliant - AEC qualified, manufactured in facilities certified to IATF 16949, supporting PPAP documents.
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Diodes Incorporated
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