TPS2045ADRG4

Overview

Category: Integrated Circuits (ICs)

Use: Power Distribution Switches

Characteristics: - Overcurrent Protection - Reverse Current Blocking - Thermal Shutdown Protection - Low On-Resistance

Package: SOIC-8

Essence: The TPS2045ADRG4 is a power distribution switch designed to protect circuits from overcurrent and reverse current flow. It offers low on-resistance and thermal shutdown protection.

Packaging/Quantity: The TPS2045ADRG4 is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Continuous Current Limit: 500mA
• Reverse Current Flow Blocking: Yes
• On-Resistance: 100mΩ (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TPS2045ADRG4 has the following pin configuration:

```

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| | --| EN OUT |-- V+ --| GND IN |-- V- |___________| ```

Functional Features

1. Overcurrent Protection: The TPS2045ADRG4 monitors the output current and shuts off the switch if it exceeds the set limit, protecting the circuit from damage.

2. Reverse Current Blocking: This feature prevents current from flowing in the reverse direction, ensuring proper operation and preventing damage to sensitive components.

3. Thermal Shutdown Protection: If the device temperature exceeds the specified threshold, the TPS2045ADRG4 automatically shuts down to prevent overheating and potential failure.

4. Low On-Resistance: The power switch exhibits low on-resistance, minimizing voltage drops across the switch and reducing power dissipation.

Advantages

• Provides reliable overcurrent protection, safeguarding circuits from damage.
• Prevents reverse current flow, ensuring proper operation of the circuit.
• Offers thermal shutdown protection, preventing overheating and potential failure.
• Low on-resistance minimizes voltage drops and power dissipation.

Disadvantages

• Limited to a maximum continuous current limit of 500mA.
• Operating temperature range is limited to -40°C to +85°C.

Working Principles

The TPS2045ADRG4 works by monitoring the output current flowing through the switch. If the current exceeds the set limit, the device shuts off the switch to protect the circuit from damage. It also blocks reverse current flow and provides thermal shutdown protection to prevent overheating.

Detailed Application Field Plans

The TPS2045ADRG4 is commonly used in various applications, including:

1. Portable Devices: It can be used in smartphones, tablets, and other portable electronic devices to protect the internal circuitry from overcurrent and reverse current flow.

2. USB Power Distribution: The TPS2045ADRG4 is suitable for USB power distribution applications, ensuring safe and reliable power delivery to connected devices.

3. Battery-Powered Systems: It can be employed in battery-powered systems, such as IoT devices and wearable technology, to protect the circuitry from excessive current and reverse current flow.

Detailed and Complete Alternative Models

1. TPS2041AD
2. TPS2042AD
3. TPS2046AD
4. TPS2047AD

These alternative models offer similar functionality and features to the TPS2045ADRG4 and can be considered as alternatives based on specific requirements.

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