TPS2321ID

Product Overview

Category

The TPS2321ID belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

The TPS2321ID is primarily used for power distribution and control in various electronic devices and systems. It provides efficient and reliable power management solutions.

Characteristics

• High efficiency power distribution
• Overcurrent protection
• Thermal shutdown protection
• Wide input voltage range
• Low quiescent current
• Small form factor

Package

The TPS2321ID is available in a small outline package (SOP) with 8 pins. This package ensures easy integration into different circuit designs.

Essence

The essence of the TPS2321ID lies in its ability to efficiently distribute and control power within electronic systems, ensuring optimal performance and protection against overcurrent and thermal issues.

Packaging/Quantity

The TPS2321ID is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 3A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOP-8

Detailed Pin Configuration

The TPS2321ID has eight pins arranged as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. PG: Power good indicator pin
6. VOUT: Output voltage pin
7. SW: Switching node pin
8. SS: Soft-start pin

Functional Features

• Overcurrent protection: The TPS2321ID incorporates overcurrent protection to safeguard the system from excessive current flow, preventing damage to the IC and connected components.
• Thermal shutdown protection: In case of excessive temperature, the TPS2321ID triggers thermal shutdown to protect itself and the surrounding circuitry.
• Power good indicator: The PG pin provides a signal indicating that the output voltage is within the desired range, ensuring proper power delivery.
• Enable pin: The EN pin allows for easy control of the TPS2321ID's operation, enabling or disabling the power distribution functionality.

Advantages and Disadvantages

Advantages

• High efficiency power distribution ensures minimal power loss.
• Overcurrent and thermal protection enhance system reliability.
• Wide input voltage range allows compatibility with various power sources.
• Low quiescent current minimizes power consumption during standby or idle states.
• Small form factor enables compact circuit designs.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external components for complete power management solutions.

Working Principles

The TPS2321ID operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage based on the feedback received from the FB pin. The SW pin controls the switching of the internal power MOSFET, while the SS pin facilitates a controlled soft-start sequence.

Detailed Application Field Plans

The TPS2321ID finds applications in various electronic devices and systems, including but not limited to: - Mobile phones and tablets - Portable gaming consoles - Digital cameras - Wireless communication devices - Industrial automation systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the TPS2321ID include: - TPS2320ID - TPS2322ID - TPS2323ID - TPS2324ID

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

In conclusion, the TPS2321ID is a highly efficient power management IC that offers overcurrent and thermal protection, wide input voltage range, and compact form factor. Its application spans across various electronic devices and systems, ensuring reliable power distribution and control.