TPS62903QRYTRQ1

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TPS62903QRYTRQ1

IC REG BUCK ADJ 3A 9VQFN

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規格

Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3V
Voltage - Input (Max) 18V
Voltage - Output (Min/Fixed) 0.4V
Voltage - Output (Max) 5.5V
Current - Output 3A
Frequency - Switching 1MHz, 2.5MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 165°C (TJ)
Grade Automotive
Qualification AEC-Q100
Mounting Type Surface Mount, Wettable Flank
Package / Case 9-TFQFN
Supplier Device Package 9-VQFN-HR (2.2x2)
Base Product Number TPS62903

概述

Description

The TPS62903QRYTRQ1 is a high-efficiency, step-down (buck) DC-DC converter from Texas Instruments. It is designed for applications requiring a compact power solution with low output voltage, high current capability, and excellent transient response. The device can deliver up to 3A output current while providing adjustable output voltage ranging from 0.8V to 5V.
Key features include a wide input voltage range of 1.8V to 17V, high efficiency (up to 95%), and a low quiescent current, making it suitable for battery-powered devices. The TPS62903 utilizes a synchronous rectification topology to improve efficiency and features a power-saving mode to minimize power consumption at light loads.
It also offers programmable soft-start, frequency scaling, and various protection mechanisms such as overcurrent and thermal shutdown. The device is available in a compact VQFN package, which helps reduce PCB space. Overall, the TPS62903QRYTRQ1 is ideal for applications in consumer electronics, industrial devices, and portable equipment.

Features

The TPS62903QRYTRQ1 is a high-performance synchronous buck converter designed for point-of-load applications in a compact form. Key features include:
1. Input Voltage Range: Operates from 4.5V to 17V.
2. Output Current Capability: Supports up to 3A output current.
3. High Efficiency: Achieves efficiency levels exceeding 90%, minimizing thermal management requirements.
4. Low Quiescent Current: Offers reduced standby power consumption, enhancing battery life in portable applications.
5. Configurable Output Voltage: Adjustable output voltage down to 0.8V with external resistor settings.
6. Integrated Compensation: Simplifies design with internal loop compensation, enhancing stability across a variety of loads.
7. Power Good Signal: Provides indication of output voltage status for system monitoring.
8. Thermal Protection: Features thermal shutdown to prevent overheating.
9. Compact Package: Offered in a 3mm x 3mm QFN package, suitable for space-constrained designs.
These features make the TPS62903QRYTRQ1 ideal for applications in consumer electronics, industrial systems, and telecommunications.

Package

The TPS62903QRYTRQ1 is packaged in a VQFN (Very Thin Quad Flat No-lead) format, specifically a 3 mm x 3 mm package with a 0.5 mm pitch. This package type allows for efficient thermal performance and minimizes board space usage.

Pinout

The TPS62903QRYTRQ1 is a step-down (buck) regulator with a pin count of 20. It is designed to provide a highly efficient power supply for various applications, particularly in automotive systems.
Key functions of the pins include:
1. VIN: Input voltage supply.
2. GND: Ground connection.
3. SW: Switch node for connecting the inductor.
4. BOOT: Bootstrap capacitor connection for high-side gate drive.
5. PH: Power good indicator.
6. COMP: Compensation network connection for stability.
7. EN: Enable pin for activating the regulator.
8. RCS: Current sense resistor connection.
9. VOUT: Output voltage sensing.
10. SS/TR: Soft start and tracking pin.
11. AGND: Analog ground for control circuitry.
12. FB: Feedback voltage input for regulation.
This device supports a wide input voltage range and is optimized for low quiescent current, making it suitable for battery-operated applications.

Manufacturer

The TPS62903QRYTRQ1 is manufactured by Texas Instruments (TI), a leading technology company headquartered in Dallas, Texas. Texas Instruments is known for designing and producing a wide range of semiconductor products, including analog devices, embedded processors, and digital signal processors. The company serves various industries, including automotive, industrial, personal electronics, and communications. TI is recognized for its innovation in power management solutions, among other technologies, and is a significant player in the global semiconductor market.

Application

The TPS62903QRYTRQ1 is a high-efficiency buck converter optimized for power management in various applications, including automotive systems, industrial automation, and portable devices. It is suitable for powering microcontrollers, sensors, FPGAs, and other digital ICs requiring stable and efficient voltage regulation. Its compact size and low quiescent current make it ideal for space-constrained designs and battery-operated devices.

Equivalent

The TPS62903QRYTRQ1 is a step-down voltage regulator from Texas Instruments. Equivalent products include the LMZ12003 from Texas Instruments, the LTM4600 from Analog Devices, and the MICREL MIC2210. Ensure to verify specifications like input/output voltage range, current rating, and package type for compatibility with your application.

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