Overview
The TPS70451PWPR is a dual-output low-dropout (LDO) linear regulator manufactured by Texas Instruments. Designed for applications requiring multiple regulated voltages, this IC is housed in a compact TSSOP-24 package, making it suitable for space-constrained designs. It is ideal for industrial, automotive, and consumer electronics applications where reliable power management is critical. The TPS70451PWPR stands out for its integrated supervisory functions, low dropout voltage, and robust performance under varying load conditions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2.5 to 6.5 | V | |
| Output Voltage 1 | Adjustable | V | User-configurable |
| Output Voltage 2 | Fixed (e.g., 3.3V) | V | Predefined |
| Dropout Voltage | 307 | mV | Maximum |
| Output Current | 1 | A | Per channel |
| Operating Temperature | -40 to +125 | °C | |
| Package | TSSOP-24 | Surface mount | |
| Supervisory Function | Integrated | Reset output |
Key Features
- Dual-output LDO regulator for multiple voltage requirements.
- Low dropout voltage ensures efficient operation even with low input voltages.
- Integrated supervisory functions provide enhanced system reliability.
- Compact TSSOP-24 package for space-constrained applications.
- Wide operating temperature range (-40°C to +125°C) for robust performance in harsh environments.
Applications
The TPS70451PWPR is widely used in industrial automation, automotive electronics, and consumer electronics. In industrial automation, it provides stable power to microcontrollers and sensors. In automotive applications, it ensures reliable voltage regulation for infotainment systems and advanced driver-assistance systems (ADAS). For consumer electronics, it is ideal for portable devices, such as smartphones and tablets, where efficient power management is essential.
Q & A
What is the input voltage range of the TPS70451PWPR?
The input voltage range is 2.5V to 6.5V.
Does the TPS70451PWPR support adjustable output voltage?
Yes, one of the outputs is user-configurable, while the other is fixed.
What is the maximum dropout voltage?
The maximum dropout voltage is 307mV.
What is the output current capability?
Each channel can deliver up to 1A of current.
Is the TPS70451PWPR suitable for automotive applications?
Yes, it is designed to meet the stringent requirements of automotive electronics.
What package does the TPS70451PWPR come in?
It is available in a TSSOP-24 package.
Does it include supervisory functions?
Yes, it features integrated supervisory functions for enhanced system reliability.
What is the operating temperature range?
It operates from -40°C to +125°C.
Can it be used in portable devices?
Yes, its compact size and efficient power management make it ideal for portable electronics.
Is the TPS70451PWPR RoHS compliant?
Yes, it is compliant with RoHS standards.
