Overview
The TPS65262RHBR, manufactured by Texas Instruments, is a highly integrated power management IC designed for applications requiring multiple voltage rails. This model is part of the PMIC (Power Management Integrated Circuit) family and is particularly suited for systems powered by 5V, 9V, 12V, or 15V intermediate bus voltages. Its compact 32-pin VQFN (RHB) 5mm × 5mm package makes it ideal for space-constrained designs. The TPS65262RHBR targets industrial, automotive, and consumer electronics applications, offering a robust solution for powering microcontrollers, sensors, and other low-power devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 18 | V | |
| Output Current (Buck1) | 3 | A | |
| Output Current (Buck2) | 1 | A | |
| Output Current (Buck3) | 1 | A | |
| LDO Output Current (LDO1) | 200 | mA | |
| LDO Output Current (LDO2) | 100 | mA | |
| Switching Frequency | 600 | kHz | Fixed |
| Operating Temperature | -40 to 85 | °C | |
| Package | VQFN-32 | 5mm × 5mm |
Key Features
- Integrated triple synchronous buck converters with 3A, 1A, and 1A output currents.
- Dual low-dropout (LDO) regulators with 200mA and 100mA output currents.
- Wide input voltage range of 4.5V to 18V, suitable for various power sources.
- Fixed 600kHz switching frequency for simplified design and reduced EMI.
- Automatic power sequencing and dedicated enable pins for each buck converter.
- Pulse-skipping mode (PSM) for improved efficiency at light loads.
- Thermal overload protection ensures reliable operation under harsh conditions.
Applications
The TPS65262RHBR is widely used in industrial automation, automotive electronics, and consumer electronics. Its ability to provide multiple regulated voltage rails makes it ideal for powering microcontrollers, sensors, and other low-power devices in these applications. In automotive systems, it ensures stable power delivery for infotainment and control modules. In consumer electronics, it supports portable devices and IoT applications, offering efficient and reliable power management.
Q & A
What is the input voltage range of the TPS65262RHBR?
The input voltage range is 4.5V to 18V.
What are the output currents of the buck converters?
Buck1 provides 3A, while Buck2 and Buck3 each provide 1A.
Does the TPS65262RHBR include LDO regulators?
Yes, it includes dual LDO regulators with 200mA and 100mA output currents.
What is the switching frequency of the device?
The switching frequency is fixed at 600kHz.
Is the TPS65262RHBR suitable for automotive applications?
Yes, it is designed to meet the requirements of automotive electronics.
What package does the TPS65262RHBR use?
It uses a 32-pin VQFN (RHB) package measuring 5mm × 5mm.
Does the device support power sequencing?
Yes, it features automatic power sequencing for controlled startup.
What is the purpose of the pulse-skipping mode (PSM)?
PSM improves efficiency at light loads by reducing switching losses.
Does the TPS65262RHBR have thermal protection?
Yes, it includes thermal overload protection for enhanced reliability.
Can the TPS65262RHBR be used in consumer electronics?
Yes, it is suitable for powering portable devices and IoT applications in consumer electronics.
