TPS2001DDBVR

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - Low Dropout Voltage Regulator - High Output Current Capability - Adjustable Output Voltage - Thermal Shutdown Protection - Overcurrent Protection - Short-Circuit Protection

Package: SOT-23-5

Essence: The TPS2001DDBVR is a low dropout voltage regulator designed for power management applications. It provides a stable output voltage with high current capability and various protection features.

Packaging/Quantity: The TPS2001DDBVR is available in a SOT-23-5 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 0.8V to 5.5V
• Dropout Voltage: 200mV at 100mA
• Output Current: Up to 150mA
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The TPS2001DDBVR has the following pin configuration:

```

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| | --| |-- VIN (Input Voltage) --| |-- GND (Ground) --| |-- EN (Enable) --| |-- VOUT (Output Voltage) |____| ```

Functional Features

1. Low Dropout Voltage: The TPS2001DDBVR has a low dropout voltage of only 200mV at 100mA, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.

2. High Output Current Capability: With a maximum output current of 150mA, the TPS2001DDBVR can power a wide range of devices and components.

3. Adjustable Output Voltage: The output voltage can be adjusted from 0.8V to 5.5V, providing flexibility for different applications.

4. Thermal Shutdown Protection: The IC includes thermal shutdown protection, which prevents damage due to excessive temperature by shutting down the regulator temporarily.

5. Overcurrent Protection: The TPS2001DDBVR features overcurrent protection, safeguarding against excessive current flow that could damage the device or connected components.

6. Short-Circuit Protection: In case of a short circuit, the regulator automatically shuts down to protect itself and the connected circuitry.

Advantages

• Small package size allows for space-efficient designs.
• Wide input voltage range enables compatibility with various power sources.
• Adjustable output voltage provides versatility for different applications.
• Protection features ensure safe operation and prevent damage to the device and connected components.
• High output current capability allows for powering a wide range of devices.

Disadvantages

• Limited maximum output current compared to some other voltage regulators.
• Dropout voltage may affect efficiency in low input voltage scenarios.

Working Principles

The TPS2001DDBVR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The enable pin controls the regulator's operation, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The TPS2001DDBVR is commonly used in various applications, including but not limited to:

1. Battery-powered devices: The low dropout voltage and adjustable output voltage make it suitable for battery-powered devices that require stable and regulated power supply.

2. Portable electronics: Due to its small package size and low quiescent current, the TPS2001DDBVR is ideal for portable electronic devices such as smartphones, tablets, and wearable devices.

3. Industrial automation: The regulator's protection features, wide input voltage range, and high output current capability make it suitable for industrial automation applications that require reliable power management.

4. Automotive electronics: With its ability to operate in a wide temperature range (-40°C to 125°C), the TPS2001DDBVR can be used in automotive electronics, including infotainment systems, lighting controls, and sensors.

Detailed and Complete Alternative Models

1. LM1117-ADJ: A popular alternative with similar characteristics and adjustable output voltage.
2. MCP1700-3302E/TO: Another low dropout voltage regulator with fixed output voltage of 3.3V.
3. LT1763CS8-3.3: A high-performance regulator with low dropout voltage and fixed output voltage of 3.3V.

These alternative models offer similar functionality and can be considered based on specific application requirements.

In conclusion, the TPS2001DDBVR is