TPS3851G18SQDRBRQ1

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor and Reset Generator
• Characteristics:
  • Monitors voltage levels to ensure proper system operation
  • Generates reset signals when voltage levels fall below or rise above specified thresholds
  • Provides power-on reset (POR) functionality
• Package: VSON (Very Small Outline No-Lead) package
• Essence: Ensures reliable operation of electronic systems by monitoring and generating reset signals based on voltage levels.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 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: ±1.5% (typical)
• Reset Time Delay: 200 ms (typical)

Detailed Pin Configuration

The TPS3851G18SQDRBRQ1 IC has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | GND | Ground | | 2 | RESET | Reset Output| | 3 | VIN | Supply Voltage Input | | 4 | MR | Manual Reset Input | | 5 | GND | Ground |

Functional Features

• Monitors supply voltage and generates reset signals when voltage falls below or rises above specified thresholds.
• Provides power-on reset functionality to ensure proper initialization of the system.
• Offers manual reset capability through the MR pin.
• Low quiescent current consumption for power-sensitive applications.
• Accurate threshold detection with low threshold accuracy deviation.

Advantages

• Ensures reliable operation of electronic systems by monitoring voltage levels.
• Provides reset signals to prevent system malfunction due to improper voltage levels.
• Power-on reset functionality ensures proper initialization of the system.
• Accurate threshold detection enhances system stability.
• Low quiescent current consumption for power efficiency.

Disadvantages

• Limited to voltage monitoring and reset generation functionality, may not suit all applications requiring more complex features.
• Requires external components for proper operation, increasing overall system complexity.

Working Principles

The TPS3851G18SQDRBRQ1 operates by continuously monitoring the supply voltage. It compares the voltage level with internally set thresholds. When the voltage falls below or rises above these thresholds, the IC generates a reset signal. This reset signal can be used to reset microcontrollers, digital logic circuits, or other system components. The IC also provides power-on reset functionality, ensuring that the system initializes properly when power is applied.

Detailed Application Field Plans

The TPS3851G18SQDRBRQ1 is commonly used in various applications where voltage monitoring and reset generation are critical. Some typical application fields include: - Automotive electronics - Industrial control systems - Power management units - Battery-powered devices - Embedded systems

Detailed and Complete Alternative Models

• TPS3839K33DBVR: Voltage Supervisor with Fixed 3.3V Threshold
• MAX809SEUR-T: Microprocessor Reset Circuit with Adjustable Threshold
• ADM708TARZ: Precision Voltage Monitor with Watchdog Timer
• LTC2937CMS-2#PBF: Quad Voltage Supervisor with Programmable Delay

Note: These alternative models offer similar functionality but may have different specifications and pin configurations.

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