TPS2214DB

Product Overview

Category

The TPS2214DB belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This IC is primarily used for power distribution and protection in electronic devices. It provides a reliable and efficient solution for managing power supply requirements.

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Current Limit: Up to 1.5A
• Low Dropout Voltage: 150mV at 1A
• Thermal Shutdown Protection
• Overcurrent and Short-Circuit Protection

Package

The TPS2214DB is available in a small outline package (SOP) with 8 pins. This compact package ensures easy integration into various electronic designs.

Essence

The essence of the TPS2214DB lies in its ability to efficiently regulate and distribute power within electronic devices, ensuring stable and reliable operation.

Packaging/Quantity

The TPS2214DB is typically packaged in reels or tubes, containing a quantity of 250 units per reel/tube.

Specifications

• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 50µA (typical)
• Power-Good Indicator
• Enable Pin for Power Sequencing
• Adjustable Output Voltage
• Fast Transient Response

Detailed Pin Configuration

The TPS2214DB features the following pin configuration:

1. EN (Enable): Controls the power sequencing and enables/disables the device.
2. VIN (Input Voltage): Connects to the input power source.
3. GND (Ground): Common ground reference for the IC.
4. PG (Power Good): Indicates the status of the output voltage.
5. VOUT (Output Voltage): Connects to the load or downstream circuitry.
6. FB (Feedback): Provides feedback for output voltage regulation.
7. SS (Soft-Start): Controls the soft-start time of the device.
8. ILIM (Current Limit): Sets the current limit for overcurrent protection.

Functional Features

1. Power Sequencing: The TPS2214DB ensures proper power sequencing, preventing potential damage to sensitive components during startup and shutdown.
2. Overcurrent Protection: It incorporates a current limit feature that protects the device and connected components from excessive current flow.
3. Thermal Shutdown Protection: In case of excessive temperature, the IC automatically shuts down to prevent overheating and potential damage.
4. Adjustable Output Voltage: The output voltage can be easily adjusted to meet specific requirements of the application.
5. Fast Transient Response: The TPS2214DB quickly responds to changes in load conditions, maintaining stable output voltage even during dynamic operation.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage ensures efficient power distribution.
• Compact package enables easy integration into space-constrained designs.
• Power-good indicator provides visual indication of output status.
• Adjustable output voltage offers flexibility for different applications.

Disadvantages

• Limited current limit of 1.5A may not be suitable for high-power applications.
• Operating temperature range might restrict usage in extreme environments.

Working Principles

The TPS2214DB operates by regulating the input voltage and providing a stable output voltage to the load. It utilizes internal control circuitry to monitor the input and output voltages, adjusting them as necessary to maintain the desired output voltage level. The IC also incorporates various protection features, such as overcurrent and thermal shutdown, to ensure safe and reliable operation.

Detailed Application Field Plans

The TPS2214DB finds applications in a wide range of electronic devices, including but not limited to: - Mobile phones and smartphones - Tablets and laptops - Portable media players - Digital cameras - Wearable devices - IoT (Internet of Things) devices

In these applications, the TPS2214DB provides efficient power management, ensuring stable operation and protecting sensitive components from potential damage.

Detailed and Complete Alternative Models

1. TPS2214DAP: Similar to TPS2214DB, but available in a different package (TSSOP).
2. TPS2216DB: Offers higher current limit (up to 3A) for more demanding applications.
3. TPS2218DB: Provides additional features like adjustable soft-start time and power-good delay.

These alternative models offer similar functionality to the TPS2214DB, with some variations in specifications and package options.