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S-80821CNNB-B8G-T2 from SEIKO

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S-80821CNNB-B8G-T2

Manufacturer: SEIKO, SII

ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR

Partnumber Manufacturer Quantity Availability
S-80821CNNB-B8G-T2,S80821CNNBB8GT2 SEIKO, SII 6502 In Stock

Description and Introduction

ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR # **Introducing the S-80821CNNB-B8G-T2: A High-Performance Voltage Detector for Precision Applications**  

In the fast-evolving world of electronics, reliable voltage monitoring is critical for ensuring system stability and preventing damage to sensitive components. The **S-80821CNNB-B8G-T2** from Seiko Instruments is a high-precision voltage detector designed to meet the stringent demands of modern electronic circuits. With its ultra-low current consumption, high accuracy, and compact form factor, this component is an excellent choice for battery-powered devices, IoT applications, and embedded systems.  

## **Key Features and Benefits**  

### **1. Ultra-Low Power Consumption**  
The S-80821CNNB-B8G-T2 operates with an exceptionally low supply current of just **0.7 µA (typical)**, making it ideal for energy-efficient designs. Its low power draw ensures minimal impact on battery life, extending the operational duration of portable and wireless devices.  

### **2. High Detection Accuracy**  
Precision is paramount in voltage monitoring, and this detector delivers with a **±1.5% detection voltage accuracy**. This tight tolerance ensures reliable performance across varying environmental conditions, reducing the risk of false triggers or system failures.  

### **3. Wide Operating Voltage Range**  
Supporting an input voltage range of **1.2 V to 6.0 V**, the S-80821CNNB-B8G-T2 is versatile enough for a broad spectrum of applications, from low-power microcontrollers to mid-range embedded systems.  

### **4. Adjustable Detection Voltage**  
Unlike fixed-voltage detectors, this component allows for **adjustable detection voltage settings**, providing flexibility in design. Engineers can fine-tune the threshold to match specific system requirements, enhancing adaptability across different projects.  

### **5. Compact and Robust Packaging**  
Housed in a **SNT-4A (SOT-23-5) package**, the S-80821CNNB-B8G-T2 is optimized for space-constrained PCB layouts. Its small footprint makes it suitable for wearable electronics, medical devices, and other compact applications where board real estate is limited.  

### **6. Built-in Delay Circuit**  
To prevent false triggering due to transient voltage fluctuations, the device incorporates an **internal delay circuit**, ensuring stable operation even in noisy environments.  

## **Applications**  
The S-80821CNNB-B8G-T2 is well-suited for a variety of applications, including:  
- **Battery-Powered Devices** – Extends battery life by efficiently monitoring voltage levels.  
- **IoT and Wearable Electronics** – Ensures reliable operation in low-power, always-on systems.  
- **Embedded Systems** – Provides precise voltage supervision for microcontrollers and FPGAs.  
- **Industrial Automation** – Enhances system reliability in harsh operating conditions.  

## **Conclusion**  
For engineers seeking a high-performance voltage detector with low power consumption, precision accuracy, and design flexibility, the **S-80821CNNB-B8G-T2** stands out as a reliable solution. Its combination of advanced features and compact packaging makes it an excellent choice for modern electronic designs where efficiency and reliability are paramount.  

Whether used in consumer electronics, industrial systems, or emerging IoT applications, this voltage detector delivers the performance needed to maintain stable and secure operation. With its robust specifications and adaptability, the S-80821CNNB-B8G-T2 is a valuable addition to any power management strategy.

Application Scenarios & Design Considerations

ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR

Alternative Part Number

  • APX803L-20SA-7 --: Voltage detector/supervisor with 2.0V threshold in SOT-23, functionally similar to the S-80821 reset IC and widely available.
  • MAX809REUR+T --: Classic 3-pin microprocessor reset supervisor in SOT-23 with fixed threshold, a common drop-in style replacement for Seiko S-808xx detectors.
  • MCP111T-200E/LB --: Low-power voltage detector with 2.0V trip point in SC-70/SOT-23, suitable alternative for supply monitoring in the same application.
  • APX803L-29SA-7 --: Voltage supervisor/reset IC with similar 2.9V threshold and open-drain output in SOT-23, a common cross for S-808 series detectors.
  • MCP121T-290E/LB --: 2.9V voltage detector with open-drain output in SC-70/SOT-23, functionally equivalent supervisor for reset applications.
  • BD4829G-TR --: 2.9V CMOS voltage detector with open-drain output in SOT-23, comparable threshold accuracy and low current consumption.

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