Overview
The TPS25940LRVCR, manufactured by Texas Instruments, is a highly integrated electronic fuse (eFuse) designed for robust power management and protection in various electronic systems. This device is part of the TPS25940 series, known for its compact design and comprehensive protection features. It is particularly suited for applications requiring precise control over power delivery and protection against overcurrent, overvoltage, and reverse current scenarios. The TPS25940LRVCR is ideal for use in industrial, automotive, and consumer electronics, offering a reliable solution for power management challenges.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Operating Voltage | 2.7 - 18 | V | |
| Maximum Voltage | 20 | V | Absolute maximum |
| On-Resistance (RON) | 42 | mΩ | Typical |
| Current Limit | 0.6 - 5.3 | A | Adjustable, ±8% accuracy |
| Operating Temperature | -40 to +125 | °C | |
| Package | WSON-16 | 3.0mm x 3.0mm | |
| Quiescent Current (IQ) | 200 | µA | Typical |
| DevSleep Mode IQ | 95 | µA | Typical |
| Disabled IQ | 15 | µA | Typical |
| Reverse Current Blocking | Yes | 1µs shutdown |
Key Features
- Integrated reverse current blocking for enhanced system protection.
- Adjustable current limit with high accuracy (±8%).
- Low quiescent current for energy efficiency.
- Compact WSON-16 package suitable for space-constrained applications.
- Supports DevSleep mode for compatibility with SATA device sleep standards.
- Programmable dV/dt control for safe power-up sequences.
Applications
The TPS25940LRVCR is widely used in various sectors including industrial automation, automotive electronics, and consumer electronics. It is particularly effective in applications requiring robust power management and protection, such as in solid-state drives (SSDs), portable devices, and smart home systems. Its ability to handle a wide range of voltages and provide precise current control makes it a versatile choice for engineers designing reliable and efficient electronic systems.
Q & A
1. What is the operating voltage range of the TPS25940LRVCR?
The operating voltage range is from 2.7V to 18V.
2. Can the TPS25940LRVCR handle reverse current?
Yes, it features integrated reverse current blocking.
3. What is the typical on-resistance (RON) of the TPS25940LRVCR?
The typical on-resistance is 42mΩ.
4. Is the current limit adjustable on the TPS25940LRVCR?
Yes, the current limit is adjustable from 0.6A to 5.3A.
5. What package does the TPS25940LRVCR come in?
It comes in a WSON-16 package measuring 3.0mm x 3.0mm.
6. Does the TPS25940LRVCR support low power modes?
Yes, it supports a DevSleep mode with a typical quiescent current of 95µA.
7. What is the maximum voltage the TPS25940LRVCR can withstand?
It can withstand a maximum voltage of 20V.
8. How does the TPS25940LRVCR protect against overcurrent?
It provides adjustable current limit protection with ±8% accuracy.
9. What is the typical quiescent current (IQ) of the TPS25940LRVCR?
The typical quiescent current is 200µA.
10. What applications is the TPS25940LRVCR best suited for?
It is best suited for industrial automation, automotive electronics, and consumer electronics, especially in systems requiring robust power management and protection.
