TPS2064DRBR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Distribution Switch
• Characteristics: High Efficiency, Overcurrent Protection, Low Quiescent Current
• Package: VSON (Very Small Outline No-Lead) Package
• Essence: Power management solution for electronic devices
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0V to VIN
• Maximum Continuous Current: 1.5A
• Quiescent Current: 20µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS2064DRBR has a total of 8 pins:

1. EN (Enable): Controls the power switch operation.
2. IN (Input): Connects to the input voltage source.
3. GND (Ground): Common ground reference.
4. PG (Power Good): Indicates the output voltage is within regulation.
5. OUT (Output): Connects to the load.
6. FB (Feedback): Provides feedback for voltage regulation.
7. SS (Soft Start): Controls the soft start time.
8. FLT (Fault): Indicates overcurrent or thermal shutdown conditions.

Functional Features

• Overcurrent Protection: Automatically shuts down the switch in case of excessive current flow.
• Soft Start: Gradually ramps up the output voltage to prevent inrush current.
• Power Good Indicator: Signals when the output voltage is within the desired range.
• Thermal Shutdown: Protects the device from overheating by disabling the switch.

Advantages and Disadvantages

Advantages: - High efficiency power distribution solution. - Compact VSON package saves board space. - Low quiescent current minimizes power consumption. - Overcurrent protection ensures device and circuit safety.

Disadvantages: - Limited maximum continuous current of 1.5A. - Operating temperature range may not be suitable for extreme environments.

Working Principles

The TPS2064DRBR is a power distribution switch that controls the flow of current from the input to the output. When the EN pin is high, the switch is enabled, allowing current to pass through from the input to the output. The FB pin provides feedback to regulate the output voltage. The soft start feature gradually increases the output voltage to prevent excessive inrush current. In case of overcurrent or thermal shutdown conditions, the FLT pin is activated, disabling the switch to protect the device and circuit.

Detailed Application Field Plans

The TPS2064DRBR is commonly used in various electronic devices where efficient power distribution is required. Some application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the TPS2064DRBR's low quiescent current and compact package.
2. Computer Peripherals: USB hubs, external hard drives, and docking stations can utilize the overcurrent protection and power good indicator features.
3. Industrial Equipment: Control systems, motor drivers, and automation devices can benefit from the TPS2064DRBR's high efficiency and thermal shutdown protection.

Detailed and Complete Alternative Models

1. TPS2065DRBR: Similar to TPS2064DRBR but with a higher maximum continuous current of 2A.
2. TPS2066DRBR: Similar to TPS2064DRBR but with an extended operating temperature range of -40°C to +125°C.
3. TPS2067DRBR: Similar to TPS2064DRBR but with additional fault reporting features.

(Note: These alternative models are provided as examples and may not cover all available options.)

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