STMicroelectronics TS931ILT Single Comparator, SOT23-5 Package for IoT & Industrial Threshold Sensing

STMicroelectronics TS931ILT Single Comparator Overview for Fast Threshold IoT & Industrial Circuits

The STMicroelectronics TS931ILT is a high-precision, fast-response single comparator engineered for B2B applications that demand reliable threshold detection, minimal signal error, and compact design-targeted at Internet of Things (IoT) (wireless level sensors, smart home safety devices), Industrial Automation (overcurrent protection circuits, process threshold monitors), and Consumer Electronics (portable device battery level indicators, temperature alert tools). It integrates critical features-single comparator channel, 2.7V?C5.5V supply range, 10??V max input offset voltage, 2.5ns response time, SOT23-5 surface-mount package, and -40??C to +125??C operating temperature-to eliminate external calibration components and streamline fast, accurate threshold-sensing designs.

With high-precision fast-response threshold detection (tuned for battery-powered IoT nodes and industrial safety systems), it balances sub-microvolt triggering accuracy with ultra-low latency and tiny PCB footprint. This makes it ideal for engineers prioritizing detection precision (critical for safety alarms), speed (timely fault responses), and miniaturization (sub-5mm modules) in electronic circuits. As part of STMicroelectronics?? industrial comparator lineup-a series trusted by 237,000+ developers in IoT and industrial control sectors-it meets strict quality benchmarks: RoHS 2 compliance, ISO 9001 certification, IEC 61000-6-3 EMC compliance (industrial/consumer environments), and 8,500+ hours of reliability testing (including thermal drift, trigger stability, and supply voltage ripple validation).

Senior engineers at a leading IoT sensor brand endorse it: ??This comparator powers our wireless water level sensors. The 10??V low offset ensures no false alerts, and 2.5ns response time catches rapid level spikes. It??s helped us hit 99.96% device uptime and 95% customer satisfaction.?? For more fast-threshold IoT and industrial components, visit IC Manufacturer.

Technical Parameters of STMicroelectronics TS931ILT

Key Technical Features of TS931ILT Single Comparator

• 10??V Ultra-Low Input Offset Voltage: Ensures precision. An IoT sensor designer noted: ??Our water level sensor false alerts dropped from 8% to 1.2%-critical for preventing unnecessary maintenance calls to commercial buildings.??
• 2.5ns Fast Response Time: Reduces latency. An automotive electronics brand shared: ??Cabin temperature alert latency cut by 72%-delayed warnings dropped from 11% to 2.5%, improving driver comfort and safety.??
• SOT23-5 Ultra-Compact Package: Saves space. An industrial control brand confirmed: ??PCB area used dropped by 62%-our overcurrent protection module fits in 4.5mm x 4.5mm, down from 11.8mm x 11.8mm with DIP comparators.??
• -40??C to +125??C Temp Range: Ensures stability. An outdoor sensor brand said: ??Agricultural soil moisture trigger accuracy drift dropped by 75%-warranty costs saved $270,000 yearly in farm deployments.??
• 2.7V?C5.5V Wide Supply Range: Boosts compatibility. A portable device brand explained: ??Works with both 3.7V lithium-ion batteries (smart home sensors) and 5V industrial grids (factory monitors)-no voltage regulators needed, cutting BOM costs by $0.32 per unit.??

Advantages of TS931ILT vs. Typical Alternatives

Compared to low-precision single comparators, slow-response comparators, and bulky DIP-package comparators, the TS931ILT solves critical B2B pain points-backed by real customer feedback:

1. More Precision Than Low-Precision Single Comparator: Low-precision comparators (e.g., 100??V input offset) cause frequent false alerts in low-signal sensors (e.g., water level, soil moisture), leading to wasted maintenance. The 10??V low offset fixes this. An IoT facility brand said: ??Our old 100??V offset water sensor had 18% false alerts-this 10??V model cuts it to 1.2%. We saved $140,000 yearly in unnecessary service calls and now supply 12 commercial office parks, expanding IoT revenue by 34%.??

2. Faster Response Than Slow-Response Comparator: Slow-response comparators (e.g., 50ns response time) miss rapid signal changes in industrial overcurrent or automotive temperature systems, causing delayed safety alerts. The 2.5ns speed fixes this. An automotive parts brand shared: ??Our old 50ns comparator temperature alert had 15% delayed warnings-this 2.5ns model cuts it to 2.5%. A major automaker added our cabin control module to 3 new vehicle lines, boosting sales by 36%.??

3. Smaller Footprint Than Bulky DIP-Package Comparator: DIP-package comparators (e.g., DIP8) take up 3x more PCB space than SOT23-5, forcing industrial micro-modules to exceed size limits (e.g., 6mm x 6mm). The SOT23-5 package fixes this. An industrial electronics brand confirmed: ??Our old DIP8 comparator overcurrent module was 14mm x 14mm-too big for 6mm-max factory enclosures. This SOT23-5 model fits, and we now supply 8 manufacturing plants, growing industrial revenue by 32%.??

Typical Applications of STMicroelectronics TS931ILT

This high-precision comparator excels in threshold-critical B2B designs-proven in these key use cases:

• Internet of Things (IoT) (Wireless Water Level Sensors): Low offset avoids false alerts, compact package fits small enclosures. An IoT brand confirmed: ??False alerts down by 16.8%, sensor installation in tight spaces up by 45%.??
• Industrial Automation (Overcurrent Protection Circuits): Fast response catches fault spikes, wide voltage fits 5V grids. An industrial brand reported: ??Overcurrent fault detection latency down by 72%, equipment damage incidents cut by 28%.??
• Consumer Electronics (Portable Device Battery Level Indicators): Low current saves battery, CMOS/TTL compatibility eases integration. A consumer brand shared: ??Battery indicator standby current down by 30%, device runtime extended by 8%.??
• Internet of Things (IoT) (Outdoor Soil Moisture Sensors): Wide temp range resists weather, precise triggering optimizes irrigation. An IoT brand confirmed: ??Irrigation system efficiency up by 35%, farm water usage cut by 22%.??
• Automotive Electronics (Cabin Temperature Alert Modules): Fast response avoids delays, compact package fits dash enclosures. An automotive brand noted: ??Temperature alert latency down by 72%, driver satisfaction scores up by 29%.??

Frequently Asked Questions (FAQ) About STMicroelectronics TS931ILT

Why is 10??V input offset voltage important for wireless water level sensors?

Wireless water level sensors detect small threshold changes (e.g., 5mm water rise) to trigger alerts-high-offset comparators (100??V) misinterpret noise as level changes, causing false alerts. 10??V ensures accurate triggering. An IoT engineer said: ??Our old 100??V offset sensor sent 18 false alerts monthly to a office park-this 10??V model sends 0.5. We saved the client $12,000 yearly in service fees, and they renewed their contract for 3 more years, boosting recurring revenue by 28%.??

How does 2.5ns response time improve industrial overcurrent protection?

Industrial overcurrent faults (e.g., short circuits) spike in 10?C20ns-slow comparators (50ns) miss these spikes, delaying circuit shutdown and causing equipment damage. 2.5ns catches faults in time. An industrial technician said: ??Our old 50ns comparator let 15% of overcurrent faults damage motors-this 2.5ns model cuts it to 2.5%. We saved a manufacturing plant $85,000 in motor replacements, and they ordered 120 more protection modules, growing sales by 34%.??

What value does the SOT23-5 package add for smart home safety devices?

Smart home safety devices (e.g., smoke detector threshold modules) need to fit in 5mm x 5mm enclosures-bulky DIP8 comparators (14mm x 14mm) are too large, forcing design compromises. The SOT23-5??s 4.5mm x 4.5mm size fixes this. A smart home brand said: ??Our old DIP8 comparator smoke module was 16mm x 16mm-too big for ceiling enclosures. This SOT23-5 model fits, and we now supply 5 home security companies, expanding consumer electronics revenue by 31%.??

How does the -40??C to +125??C temperature range benefit outdoor soil moisture sensors?

Outdoor soil moisture sensors face -38??C winters and +94??C summers-comparators with narrower ranges (0??C?C85??C) drift 8% in trigger threshold, leading to over/under irrigation. The wide range limits drift to 2%. An agricultural IoT brand said: ??Our old 0??C?C85??C sensor caused 18% over-irrigation-this model cuts it to 2%. A farm cooperative reported 22% lower water costs, and they ordered 250 more sensors, growing agricultural sales by 33%.??

Why is 2.7V?C5.5V supply range useful for portable consumer devices?

Portable consumer devices (e.g., battery level indicators) use 3.7V lithium-ion batteries, while industrial tools use 5V grids-narrow-range comparators (3.3V?C5V) need $0.40 regulators for 3.7V batteries. The 2.7V?C5.5V range avoids this. A consumer electronics brand said: ??Our old 3.3V?C5V comparator needed a regulator for 3.7V devices-this model doesn??t. Per-unit costs dropped by $0.32, and we??ve secured a $1.8M contract for 5,000+ battery indicators, boosting consumer revenue by 30%.??