Overview
The TPS62903RPJR is a high-efficiency, low IQ buck converter produced by Texas Instruments. This device is part of the TPS6290x family, which includes pin-to-pin compatible buck converters supporting 1 A, 2 A, or 3 A of output current. The TPS62903RPJR specifically supports up to 3 A of output current and is packaged in a small 1.5 mm x 2 mm QFN package. It is designed for use in various industrial, enterprise, and personal electronics applications, offering high efficiency and low quiescent current (IQ) to minimize power consumption.
Key Specifications
| Specification | Test Conditions | MIN | TYP | MAX | Unit |
|---|---|---|---|---|---|
| Input Voltage | 3 | 12 | 17 | V | |
| Output Voltage Setpoint | 1.2 | V | |||
| Output Current | 0 | 3 | A | ||
| Switching Frequency | 2.5 MHz | ||||
| MODE/S-CONF Setting | Auto PFM/PWM with AEE, external FB, output discharge disabled | ||||
| Quiescent Current (IQ) | Low IQ |
Key Features
- High Efficiency: The TPS62903RPJR is designed to achieve high efficiency, making it suitable for applications where power consumption needs to be minimized.
- Low IQ: The device features low quiescent current, which is beneficial for battery-powered and low-power applications.
- Auto PFM/PWM Mode: The converter operates in Auto PFM/PWM mode, allowing for efficient operation across a wide range of load conditions.
- Configurable Settings: The device allows for various configurable settings such as switching frequency, output discharge, and output voltage configuration through the MODE/S-CONF resistor.
- Small Package Size: The 1.5 mm x 2 mm QFN package makes it ideal for space-constrained applications.
Applications
The TPS62903RPJR is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems
- Enterprise and data center equipment, such as data center switches
- Personal electronics, including mobile and embedded computing devices
- IP network cameras and other surveillance systems
- Servo drives and other industrial control systems
- Any application requiring a 12-V input voltage or a 1-4 cell lithium battery pack
Q & A
- What is the input voltage range of the TPS62903RPJR?
The input voltage range is from 3 V to 17 V. - What is the maximum output current of the TPS62903RPJR?
The maximum output current is 3 A. - What is the typical output voltage setpoint for the TPS62903RPJR?
The typical output voltage setpoint is 1.2 V. - What is the switching frequency of the TPS62903RPJR?
The switching frequency is typically 2.5 MHz. - Does the TPS62903RPJR support Auto PFM/PWM mode?
Yes, it supports Auto PFM/PWM mode with external feedback and output discharge disabled. - How can the switching frequency be changed?
The switching frequency can be changed by adjusting the MODE/S-CONF resistor and corresponding inductor value. - What is the quiescent current (IQ) of the TPS62903RPJR?
The device features low quiescent current (IQ). - What package type is the TPS62903RPJR available in?
The device is available in a 1.5 mm x 2 mm QFN package. - Can the output voltage be configured?
Yes, the output voltage can be configured using the VSET configuration by removing R1 and changing the value of R2. - What are some common applications for the TPS62903RPJR?
Common applications include industrial automation, data center equipment, personal electronics, IP network cameras, and servo drives.
