TPS2831DG4

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High-side power switch - Low on-resistance - Overcurrent protection - Thermal shutdown protection - Undervoltage lockout - Fault reporting

Package: SOIC-8

Essence: The TPS2831DG4 is a high-side power switch designed for power management applications. It provides various features such as overcurrent protection, thermal shutdown protection, and fault reporting.

Packaging/Quantity: The TPS2831DG4 is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• On-Resistance: 100mΩ (typical)
• Continuous Current: 1.5A
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TPS2831DG4 has the following pin configuration:

```

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| | | 1 2 | | | | 3 4 | | | | 5 6 | | | | 7 8 | |___________| ```

1. Enable (EN)
2. Input Voltage (VIN)
3. Output Voltage (VOUT)
4. Ground (GND)
5. Fault Indicator (FLT)
6. Overcurrent Protection (OCP)
7. Thermal Shutdown (TSD)
8. Undervoltage Lockout (UVLO)

Functional Features

• Overcurrent Protection: The TPS2831DG4 incorporates overcurrent protection to prevent excessive current flow, ensuring the safety of the circuit and connected devices.
• Thermal Shutdown Protection: In case of excessive temperature, the thermal shutdown feature activates to protect the IC from damage.
• Undervoltage Lockout: The undervoltage lockout feature ensures that the IC operates within a safe voltage range, preventing malfunctions and potential damage.
• Fault Reporting: The fault indicator pin provides a signal when a fault condition occurs, allowing for easy detection and troubleshooting.

Advantages and Disadvantages

Advantages: - High-side power switch with integrated protection features - Low on-resistance for efficient power management - Wide operating temperature range - Fault reporting for easy troubleshooting

Disadvantages: - Limited continuous current capacity (1.5A)

Working Principles

The TPS2831DG4 is designed as a high-side power switch, which means it controls the flow of current on the positive side of the load. It utilizes internal circuitry to monitor the input voltage, output voltage, and current flow. When an overcurrent or thermal shutdown condition is detected, the IC takes appropriate action to protect the circuit and connected devices.

Detailed Application Field Plans

The TPS2831DG4 is commonly used in various power management applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial automation - Automotive systems - LED lighting

Detailed and Complete Alternative Models

Some alternative models to the TPS2831DG4 include: - TPS2830DG4 - TPS2832DG4 - TPS2833DG4 - TPS2834DG4

These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific applications.

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