Overview
The TPS62902RPJR is a highly efficient, compact, and flexible synchronous step-down (buck) DC-DC converter designed by Texas Instruments. This integrated circuit is optimized for dynamic voltage scaling applications and is capable of stepping down input voltages from 3V to 17V to output voltages as low as 0.8V. The device features high-frequency operation, allowing for the use of smaller external components, which is ideal for space-constrained applications. It is characterized by its low quiescent current and high conversion efficiency, making it suitable for battery-powered devices to operate longer without recharging. The TPS62902RPJR is widely used in various domains including consumer electronics, industrial, and telecommunications due to its robust thermal performance and advanced features.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | TPS62902RPJR |
| Package | VQFN-9 (5mm x 5mm) |
| Input Voltage Range | 3V to 17V |
| Output Voltage Range | 0.8V to 12V |
| Output Current | 2A continuous |
| Quiescent Current | < 20µA |
| Switching Frequency | Up to 1MHz (selectable) |
| Efficiency | Up to 95% |
| Operating Temperature Range | -40°C to 165°C |
Key Features
- High efficiency for wide duty cycle and load range, up to 95% efficiency
- Low quiescent current of less than 20µA
- Selectable switching frequency up to 1MHz
- Built-in soft-start function to minimize inrush current during startups
- Thermal shutdown and overcurrent protection features
- Compact QFN package (5mm x 5mm)
- Automatic power save mode (PFM/PWM) for high efficiency at light loads
- Power Good (PG) feature to indicate output voltage stability
Applications
- Smartphone and portable devices
- Consumer electronics, including tablets and laptops
- Digital signal processors and FPGAs
- Power management in automotive systems
- Telecommunications equipment
- Industrial automation and control systems
- IoT devices and wearables
- Factory automation and control
- Building automation
- Data center and enterprise computing
- Motor drive systems
- Power delivery
Q & A
- What is the maximum output current for the TPS62902RPJR?
The maximum output current for the TPS62902RPJR is 2A.
- Can the output voltage be adjusted?
Yes, the output voltage can be adjusted from 0.8V to 12V using external resistors.
- Is thermal protection included?
Yes, the TPS62902RPJR includes built-in thermal shutdown and overcurrent protection features.
- What type of package is used for the TPS62902RPJR?
This device comes in a QFN package, measuring 5mm x 5mm.
- What is the recommended operating frequency range?
The device can be operated up to a frequency of 1MHz.
- What is the quiescent current of the TPS62902RPJR?
The quiescent current is less than 20µA.
- Does the TPS62902RPJR support power save mode?
Yes, the device can automatically enter power save mode (PFM/PWM) at light loads to maintain high efficiency.
- What is the input voltage range for the TPS62902RPJR?
The input voltage range is from 3V to 17V.
- Does the TPS62902RPJR have a built-in soft-start function?
Yes, it includes a built-in soft-start function to minimize inrush current during startups.
- What is the operating temperature range for the TPS62902RPJR?
The operating temperature range is from -40°C to 165°C.
