Overview
The TPS25970LRPWR is a highly integrated eFuse and hot-swap controller from Texas Instruments, designed for robust power management in modern electronic systems. This model is part of the TPS25970 series, which is specifically engineered to protect sensitive circuits from overcurrent, overvoltage, and reverse current conditions. The TPS25970LRPWR is particularly suited for applications in industrial automation, telecommunications, and enterprise computing, where reliable power distribution and protection are critical. Its compact form factor and advanced features make it an ideal choice for space-constrained designs. The device stands out for its precise current limiting, adjustable slew rate control, and comprehensive fault protection mechanisms, ensuring system reliability and longevity.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2.7 to 18 | V | |
| Continuous Current Limit | 0.5 to 4 | A | Adjustable |
| On-Resistance (RDS(ON)) | 30 | mΩ | Typical |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | PowerPAD™ HTSSOP-20 | ||
| Fault Protection | Overcurrent, Overvoltage, Reverse Current | ||
| Adjustable Slew Rate | 0.5 to 20 | ms | |
| Power Dissipation | 1.5 | W | Maximum |
Key Features
- Comprehensive Fault Protection: Protects against overcurrent, overvoltage, and reverse current conditions, ensuring system reliability.
- Adjustable Current Limit: Allows precise control of current levels from 0.5 A to 4 A, tailored to specific application needs.
- Programmable Slew Rate: Adjustable slew rate control minimizes inrush current during power-up, reducing stress on components.
- Low On-Resistance: Typical RDS(ON) of 30 mΩ minimizes power loss and improves efficiency.
- Wide Input Voltage Range: Supports operation from 2.7 V to 18 V, making it versatile for various power supply designs.
Applications
The TPS25970LRPWR is widely used in industrial automation, telecommunications, and enterprise computing systems. In industrial automation, it ensures reliable power distribution and protection for PLCs, motor drives, and sensors. In telecommunications, it safeguards base stations, routers, and switches from power anomalies. In enterprise computing, it provides robust protection for servers, storage systems, and networking equipment. Its advanced features and compact design make it an excellent choice for applications requiring high reliability and efficiency in power management.
Q & A
1. What is the primary function of the TPS25970LRPWR?
The TPS25970LRPWR is an eFuse and hot-swap controller designed to protect circuits from overcurrent, overvoltage, and reverse current conditions.
2. What is the input voltage range of the TPS25970LRPWR?
The input voltage range is 2.7 V to 18 V.
3. Can the current limit be adjusted?
Yes, the current limit is adjustable from 0.5 A to 4 A.
4. What is the typical on-resistance (RDS(ON)) of the device?
The typical on-resistance is 30 mΩ.
5. What fault protections does the TPS25970LRPWR offer?
It offers overcurrent, overvoltage, and reverse current protection.
6. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
7. What package does the TPS25970LRPWR come in?
It comes in a PowerPAD™ HTSSOP-20 package.
8. Is the slew rate adjustable?
Yes, the slew rate is adjustable from 0.5 ms to 20 ms.
9. What is the maximum power dissipation?
The maximum power dissipation is 1.5 W.
10. What are the typical applications of the TPS25970LRPWR?
Typical applications include industrial automation, telecommunications, and enterprise computing systems.
