Texas Instruments

CSD17570Q5B  

Single FETs, MOSFETs

CSD17570Q5B is a high-performance, monolithic, synchronous, step-down (buck) regulator from Texas Instruments. It is designed to provide efficient and stable power conversion for a wide range of applications.

Description:

The CSD17570Q5B is a highly integrated, high-efficiency, step-down regulator that features a synchronous rectification architecture. It is capable of providing up to 5A of continuous output current with an output voltage as low as 0.9V. The device is available in a compact, thermally enhanced QFN package.

Features:

1. High Efficiency: The CSD17570Q5B offers high efficiency up to 96%, which helps in reducing power dissipation and improving overall system performance.
2. Wide Input Voltage Range: The device can operate with an input voltage range of 4.5V to 28V, making it suitable for a wide range of applications.
3. Synchronous Rectification: The synchronous rectification architecture allows for high efficiency and low quiescent current operation.
4. Programmable Soft Start: The soft start feature helps in reducing inrush current and minimizing output voltage overshoot during power-up.
5. Precision Output Voltage: The device provides a precision output voltage with an accuracy of ±1%, ensuring stable and reliable operation.
6. Protection Features: The CSD17570Q5B includes various protection features such as over-current protection, over-temperature protection, and output short-circuit protection.
7. Small Package Size: The device is available in a compact 16-pin, 3mm x 4mm QFN package, making it suitable for space-constrained applications.

Applications:

The CSD17570Q5B is suitable for a wide range of applications, including:

1. Portable Devices: Powering processors, FPGAs, and other high-current loads in smartphones, tablets, and other portable devices.
2. Industrial Equipment: Providing efficient power conversion for microcontrollers, sensors, and other components in industrial equipment.
3. Automotive Applications: Powering various electronic devices in automotive systems, such as infotainment systems, dashboard displays, and engine control units.
4. Medical Devices: Providing stable and efficient power for sensitive medical equipment, such as portable defibrillators, insulin pumps, and patient monitoring devices.
5. Power Banks: Efficiently charging and powering devices from power banks with high-capacity batteries.

In summary, the CSD17570Q5B is a high-efficiency, synchronous step-down regulator from Texas Instruments that offers a wide input voltage range, programmable soft start, precision output voltage, and various protection features. Its compact package size makes it suitable for a wide range of applications, including portable devices, industrial equipment, automotive applications, medical devices, and power banks.

CSD17570Q5B Documents

Download datasheets and manufacturer documentation for CSD17570Q5B

PCN Assembly/Origin :

Assembly/Test Site Transfer 19/Dec/2014      

Datasheets :

CSD17570Q5B Datasheet      

HTML Datasheet :

CSD17570Q5B Datasheet      

PCN Design/Specification :

Qualification Revision A 01/Jul/2014