TPS3851G50SQDRBRQ1

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Programmable Delay, Reset Output
• Package: VSON (Very Small Outline No-Lead) Package
• Essence: Voltage monitoring and reset generation for microcontrollers and other digital systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.8V to 6.5V
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 3 µA (typical)
• Threshold Accuracy: ±0.5% (typical)
• Programmable Delay Time: 2 ms to 10 s
• Reset Timeout Period: 100 ms to 640 ms

Detailed Pin Configuration

The TPS3851G50SQDRBRQ1 has the following pin configuration:

| Pin Name | Description | |----------|-------------| | GND | Ground | | RESET | Reset Output| | MR | Manual Reset Input | | VDD | Supply Voltage |

Functional Features

• Precision voltage monitoring with adjustable threshold
• Programmable delay time for power-on reset generation
• Manual reset input for immediate system reset
• Open-drain reset output for easy interfacing with microcontrollers
• Low quiescent current for power-sensitive applications

Advantages

• Wide supply voltage range allows compatibility with various systems
• Accurate voltage monitoring ensures reliable system operation
• Programmable delay time provides flexibility in power-on reset timing
• Manual reset input allows manual system reset when needed
• Low quiescent current minimizes power consumption

Disadvantages

• Limited reset timeout period may not be suitable for all applications requiring longer reset times
• VSON package may be challenging to solder for some users

Working Principles

The TPS3851G50SQDRBRQ1 monitors the supply voltage and generates a reset signal when the voltage falls below a programmable threshold. The reset signal remains active until the supply voltage rises above the threshold and a programmable delay time elapses. The device also includes a manual reset input that can be used to force an immediate system reset.

Detailed Application Field Plans

The TPS3851G50SQDRBRQ1 is commonly used in various applications, including: 1. Microcontroller-based systems 2. Industrial control systems 3. Automotive electronics 4. Battery-powered devices 5. Home automation systems

Detailed and Complete Alternative Models

1. TPS3839K33DBVR - 3.3V Voltage Supervisor with Fixed Delay
2. TPS3808G01DBVR - Precision Voltage Supervisor with Adjustable Delay
3. TPS3890-Q1 - Automotive Grade Voltage Supervisor with Programmable Delay

These alternative models offer similar functionality and can be considered as alternatives to the TPS3851G50SQDRBRQ1.

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