【Application】 XBLWTPS3808 – Low Static Current, Programmable Reset Monitoring Chip

1. Introduction: Introducing the topic

The XBLWTPS3808 is a low-power, programmable reset and monitoring circuit designed for battery-powered and MCU/FPGA systems. It provides high-precision voltage monitoring and reset protection with a very low static current of 0.6μA, addressing the power consumption and stability challenges of low-power devices.

II. Key Product Information

· Brand: XBLW

· Model: XBLWTPS3808

* Product positioning: Industrial-grade, low-static current, programmable delay microcontroller monitoring circuit, for system power-on/low-voltage/manual reset protection.

III. Application Scenarios

· Battery-powered portable devices, handheld terminals

· Microcontroller (MCU)/Microprocessor (MPU) system

· FPGA/ASIC core power monitoring

· Industrial control modules, low-power IoT terminals

• Personal computers, small smart devices

IV. Core Strengths and Performance

Key features

1. Ultra-low power consumption: Typical static current of 0.6μA, significantly lower than comparable devices.

2. High-precision monitoring: Full-range threshold accuracy of 0.5%, ensuring more reliable monitoring.

3. Wide voltage adapter: Fixed threshold of 0.9V-5V, adjustable version down to 0.4V

4. Programmable Delay: 1.25ms~10s, supports fixed delays of 20ms/300ms

5. Compact Package: SOT23-6L, DFN2x2-6L, suitable for high-density PCBs

6. Wide operating temperature range: -40°C to 125°C (industrial grade)

Product Diagram

Performance Specifications Table

Five. Addressing key pain points.

1. High battery power consumption and short battery life: 0.6μA ultra-low static current, significantly reducing standby power consumption.

2. Inaccurate voltage monitoring and a high risk of accidental reset: A 0.5% high-precision threshold minimizes fluctuations and false triggers.

3. Adjustable reset delay: Programmable from 1.25ms to 10s, compatible with various system startup times.

4. Large device size and difficulty in mounting: Small form factor packaging to save PCB space.

5. Harsh environment, unstable working conditions: -40°C to 125°C wide temperature range, suitable for industrial environments.

Six. Conclusion.

The XBLW TPS3808 offers a compelling solution for low-power systems requiring voltage monitoring and reset protection. Its key features include: *   **Ultra-low current consumption:** 0.6μA *   **High accuracy:** 0.5% *   **Programmable delay:** 1.25ms - 10s *   **Compact size** *   **Wide temperature range** This device provides a convenient, flexible, and space-saving solution for engineers, offering high system stability, extended battery life, simplified circuit design, and reduced development and testing times. It is an ideal reset monitoring solution for MCUs, FPGAs, and other low-power devices.