TPS3851G33EQDRBRQ1

Overview

Category: Integrated Circuits (ICs)

Use: Voltage Supervisors

Characteristics: - Monitors voltage levels to ensure proper system operation - Provides reset signals when voltage levels fall below or rise above specified thresholds - Low power consumption - Wide operating voltage range - Small package size

Package: VSON-10 (Very Small Outline No Lead)

Essence: The TPS3851G33EQDRBRQ1 is a voltage supervisor IC designed to monitor voltage levels in electronic systems and provide reset signals when necessary. It ensures the reliable operation of the system by preventing it from operating outside safe voltage ranges.

Packaging/Quantity: The TPS3851G33EQDRBRQ1 is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Operating Temperature Range: -40°C to +125°C
• Reset Threshold Accuracy: ±1.5%
• Quiescent Current: 2.7µA (typical)
• Power-On Reset Delay Time: 200ms (typical)

Pin Configuration

The TPS3851G33EQDRBRQ1 has the following pin configuration:

```

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| | --| RESET | --| GND | --| MR | --| VDD | --| VIT | --| VOT | --| VDDA | --| VSSA | --| NC | |___________| ```

Functional Features

1. Voltage Monitoring: The TPS3851G33EQDRBRQ1 continuously monitors the input voltage levels.
2. Reset Generation: When the voltage falls below or rises above the specified thresholds, the IC generates a reset signal to ensure proper system operation.
3. Adjustable Thresholds: The reset thresholds can be adjusted using external resistors.
4. Power-On Reset Delay: The IC provides a power-on reset delay to allow stable voltage levels before releasing the reset signal.

Advantages and Disadvantages

Advantages: - Ensures reliable system operation by monitoring voltage levels - Low power consumption helps conserve energy - Wide operating voltage range makes it suitable for various applications - Small package size saves board space

Disadvantages: - Limited number of adjustable thresholds - May require additional external components for specific applications

Working Principles

The TPS3851G33EQDRBRQ1 operates by continuously monitoring the input voltage levels using an internal voltage reference. When the voltage falls below or rises above the specified thresholds, the IC generates a reset signal. This signal is held active until the voltage returns to the normal operating range. The IC also includes a power-on reset delay to ensure stable voltage levels before releasing the reset signal.

Application Field Plans

The TPS3851G33EQDRBRQ1 is widely used in various electronic systems where voltage monitoring and reset generation are critical for reliable operation. Some application fields include:

1. Automotive Electronics: Used in automotive control units to monitor voltage levels and provide reset signals to prevent system malfunctions.
2. Industrial Automation: Integrated into industrial control systems to ensure proper operation and prevent damage due to voltage fluctuations.
3. Consumer Electronics: Incorporated into devices such as smartphones, tablets, and gaming consoles to protect against voltage-related issues.
4. Medical Equipment: Utilized in medical devices to monitor voltage levels and ensure patient safety.

Alternative Models

1. TPS3850G33EQDRBRQ1: Similar to TPS3851G33EQDRBRQ1 but with a different package.
2. TPS3851G33EVM-001: Evaluation module for the TPS3851G33EQDRBRQ1, providing a convenient platform for testing and development.

These alternative models offer similar functionality and can be considered as substitutes for the TPS3851G33EQDRBRQ1 in specific applications.

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