Texas Instruments

TPS40055PWPG4  

DC DC Switching Controllers

The Texas Instruments TPS40055PWPG4 is a high-efficiency, synchronous, step-down (buck) switching regulator designed for use in a wide range of applications. Here's a brief description, features, and applications of the TPS40055PWPG4:

Description:

The TPS40055PWPG4 is a compact, high-performance switching regulator that converts an input voltage to a lower, regulated output voltage. It is designed to operate with a wide input voltage range and can deliver a continuous output current of up to 1.5A. The device is available in a small, thermally-protected PowerPad package, making it suitable for space-constrained applications.

Features:

1. High Efficiency: The TPS40055PWPG4 offers high efficiency (up to 95%) across a wide load range, which helps reduce power dissipation and improve overall system performance.
2. Synchronous Rectification: The device uses synchronous rectification, which minimizes the voltage drop across the switch and improves efficiency, especially at light loads.
3. Wide Input Voltage Range: It can operate with input voltages ranging from 2.5V to 5.5V, making it suitable for applications with varying power supply voltages.
4. Low Output Voltage: The TPS40055PWPG4 can provide an output voltage as low as 0.9V, which is useful for modern low-voltage applications.
5. Short Circuit Protection: The device includes built-in short circuit protection to prevent damage in case of a short circuit fault.
6. Thermal Protection: The PowerPad package provides thermal protection, ensuring safe operation and preventing overheating.
7. Small Form Factor: The compact size of the package makes it suitable for applications with limited space.
8. Low Dropout Voltage: The regulator can maintain high efficiency even at low input voltages, thanks to its low dropout voltage.

Applications:

1. Portable Electronics: Due to its high efficiency and small size, the TPS40055PWPG4 is ideal for use in portable devices like smartphones, tablets, and wearables.
2. Power Banks: The device can be used in power banks to efficiently step down the voltage from the battery to charge or power external devices.
3. IoT Devices: The TPS40055PWPG4 is suitable for powering Internet of Things (IoT) devices, where efficiency and compact size are crucial.
4. Medical Devices: The device can be used in battery-powered medical devices that require a stable, regulated output voltage.
5. Industrial Equipment: The TPS40055PWPG4 can be used in industrial applications where a stable, efficient power supply is needed.

In summary, the Texas Instruments TPS40055PWPG4 is a versatile, high-efficiency switching regulator that can be used in a wide range of applications, from portable electronics to industrial equipment, thanks to its compact size, high efficiency, and wide input voltage range.

TPS40055PWPG4 Documents

Download datasheets and manufacturer documentation for TPS40055PWPG4

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Product Change Notification 2024-02-08 (PDF)       Design Revision (NBTI Fix for Select TPS4005x Devices) (PDF)       Product Change Notification (PDF)      

Models :

TPS40055PWPG4 Symbol & Footprint by SnapMagic      

Product Catalogs :

Power Management Guide 2018 (Rev. R)      

Application Notes :

Power Topology - Buck Converter       TPS4005x TPS4006x Effect of Programmable UVLO      

Technical Resources :

TPS40055 TINA-TI Transient Reference Design       TPS40055 TINA-TI Average Reference Design      

SPICE Models :

TPS40055 TINA-TI Transient Spice Model       TPS40055 Unencrypted PSpice Transient Model Package (Rev. A)       TPS40055 TINA-TI Average Spice Model