Texas Instruments

TPS40005DGQ  

DC DC Switching Controllers

TPS40005DGQ Description

The TPS40005DGQ is a high-performance buck controller designed for demanding power management applications. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a 10MSOP package. It is a transistor driver with a positive output configuration, making it suitable for a wide range of applications requiring efficient power conversion. The TPS40005DGQ operates within a supply voltage range of 2.25V to 5.5V and features a switching frequency of 600kHz, ensuring high efficiency and minimal power loss.

TPS40005DGQ Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: 600kHz
• Voltage - Supply (Vcc/Vdd): 2.25V to 5.5V
• Synchronous Rectifier: Yes
• Control Features: Current Limit, Enable, Soft Start
• Duty Cycle (Max): 93%
• Output Phases: 1
• Topology: Buck
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Package: Tube
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

The TPS40005DGQ stands out with its synchronous rectifier feature, which enhances efficiency by reducing power losses during the switching process. The device also includes essential control features such as current limit, enable, and soft start, which ensure stable operation and protect the circuit from overcurrent conditions. The high maximum duty cycle of 93% allows for efficient power conversion even at high load conditions.

TPS40005DGQ Applications

The TPS40005DGQ is ideal for applications requiring compact and efficient power conversion solutions. Its surface mount package makes it suitable for space-constrained designs, while its wide input voltage range and high switching frequency ensure reliable performance across various operating conditions. Specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles where efficiency and compactness are critical.
• Industrial Equipment: Suitable for applications such as PLCs, industrial controllers, and motor drives where high reliability and efficiency are required.
• Telecommunications: Can be used in base stations, routers, and switches to provide efficient power management solutions.

Conclusion of TPS40005DGQ

The TPS40005DGQ from Texas Instruments is a versatile and efficient buck controller designed to meet the demands of modern power management applications. Its wide input voltage range, high switching frequency, and synchronous rectifier feature make it an excellent choice for applications requiring high efficiency and minimal power loss. The inclusion of essential control features such as current limit, enable, and soft start ensures stable and reliable operation. Despite its obsolete status, the TPS40005DGQ remains a valuable component for engineers seeking a compact and efficient power conversion solution.

TPS40005DGQ Documents

Download datasheets and manufacturer documentation for TPS40005DGQ

Datasheets :

TPS40000-05