TPS3851G25EDRBR

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TPS3851G25EDRBR

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Thông số kỹ thuật

Part Status Active
DigiKey Programmable Not Verified
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 2.5V
Output Open Drain or Open Collector
Reset Active Low
Reset Timeout 170ms Minimum
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 8-VDFN Exposed Pad
Supplier Device Package 8-SON (3x3)
Base Product Number TPS3851

Tổng quan

Description

The TPS3851G25EDRBR is a voltage supervisor from Texas Instruments designed to monitor power supply voltages in various applications. It features a fixed threshold voltage of 2.5V, making it suitable for systems requiring precise voltage regulation. This device is equipped with a watchdog timer for system reset functionality, ensuring reliable operation in critical applications.
Key features include an active-low reset output, minimal supply current, and the ability to operate over a wide temperature range. The TPS3851 also offers flexibility with an adjustable delay time for the reset signal, allowing customization to meet specific timing requirements. Its small footprint and low-profile package make it ideal for space-constrained designs.
Typical applications include microcontrollers, FPGAs, and embedded systems where voltage monitoring and reset functions are critical for operational stability. Overall, the TPS3851G25EDRBR is a robust solution for enhancing the reliability of electronic devices.

Features

The TPS3851G25EDRBR is a voltage supervisor from Texas Instruments designed for power management applications. Key features include:
1. Voltage Monitoring: It supports adjustable threshold voltages, with a fixed threshold of 2.5V.
2. Reset Output: Provides a reset signal for microcontrollers or processors when the monitored voltage drops below the threshold.
3. Low Supply Current: Operates with low quiescent current, enhancing battery life in portable applications.
4. Wide Supply Voltage Range: Accepts input voltages from 1.0V to 5.5V, making it versatile for various applications.
5. Debounce Time: Features adjustable reset delay for proper system stability.
6. Active-High/Active-Low Reset Output: Compatible with multiple system designs.
7. Small Package Size: Available in a compact 5-pin SOT-23 package, suitable for space-constrained applications.
These features make the TPS3851G25EDRBR ideal for use in automotive, industrial, and consumer electronics, ensuring reliable operation and system protection.

Package

The TPS3851G25EDRBR is packaged in a VQFN (Very Thin Quad Flat No-lead) package, specifically a 16-pin VQFN with a thermal pad. This compact package type enhances thermal performance and is suitable for applications requiring small form factors.

Pinout

The TPS3851G25EDRBR is a voltage supervisor from Texas Instruments, designed for monitoring power supply levels in various applications. It features a pin count of 8.
Key functions include:
- Voltage Monitoring: It monitors a preset voltage threshold (2.5V).
- Reset Output: Provides an active-low reset signal when the voltage falls below the threshold.
- Manual Reset: Supports manual reset functionality via a dedicated pin.
- Hysteresis: Offers built-in hysteresis to prevent false triggering during voltage fluctuations.
- Low Supply Current: Operates with low supply current, enhancing power efficiency.
The device is commonly used in microcontroller-based designs to ensure reliable system operation by preventing erratic behavior during power-up or brownout conditions. It is available in a small 8-pin VSSOP package, making it suitable for space-constrained applications.

Manufacturer

The TPS3851G25EDRBR is manufactured by Texas Instruments (TI), a multinational semiconductor design and manufacturing company. Founded in 1930 and headquartered in Dallas, Texas, TI specializes in analog and embedded processing technologies. The company is known for its wide range of products, including microcontrollers, sensors, and power management devices, serving various industries such as automotive, industrial, and consumer electronics. TI is recognized for its innovation and commitment to providing high-quality solutions for engineers and designers.

Application

The TPS3851G25EDRBR is a voltage supervisor used in various application areas, including power management systems, battery-powered devices, automotive electronics, industrial automation, and telecommunications. It provides precise voltage monitoring, enabling safe power-up sequencing and system reliability by preventing faults during voltage fluctuations or power loss.

Equivalent

The TPS3851G25EDRBR is a voltage supervisor with reset functionality. Equivalent products include the TPS3820 (different voltage options), MAX810/811, MIC700, and LTC6700 series. Ensure to check specifications like threshold voltage, reset delay, and supply voltage compatibility for specific application requirements.

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