Overview
The TPS26624DRCR from Texas Instruments is a high-voltage eFuse (electronic fuse) that belongs to the TPS2662x family. This device is designed to provide comprehensive protection and control for various industrial and power management applications. It operates within a wide supply input range of 4.5 V to 60 V, making it suitable for controlling many popular DC bus voltages. The TPS26624DRCR integrates multiple protection features, including input and output reverse polarity protection, overcurrent, overvoltage, and undervoltage protection, as well as inrush current limiting and surge protection.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Operating Voltage | 4.5 V to 60 V | Maximum absolute voltage: 62 V |
| Reverse Input Polarity Protection | –60 V | Protection against negative supply voltages |
| Reverse Output Polarity Protection | – (60 – VIN) | Protection against negative output voltages (TPS26624 and TPS26625 only) |
| Total RON | 478 mΩ | Integrated back-to-back MOSFETs |
| Adjustable Current Limit | 25 mA to 880 mA (±5% accuracy at 880 mA) | Programmable current limit |
| Surge Protection | Compliant with IEC 61000-4-5 | Load protection during surge events |
| Electrical Fast Transients Immunity | Compliant with IEC 61000-4-4 | Immunity to electrical fast transients |
| Reverse Current Blocking Response | 0.3 µs | Fast response to reverse current events |
| UVLO, OVP, and Slew Rate Control | Adjustable | Programmable undervoltage lockout, overvoltage protection, and output slew rate |
| Overvoltage Clamp | Fixed 38 V (TPS26622 and TPS26623 only) | Fixed overvoltage clamp for specific models |
| Quiescent Current | 340 µA (operating), 12 µA (shutdown) | Low power consumption in operating and shutdown modes |
| Package | 10-pin VSON (3 mm × 3 mm) | Compact footprint |
| Temperature Range | –40°C to +125°C | Operating temperature range |
| Certifications | UL 2367 recognized, IEC 62368-1 certified | Compliance with safety standards |
Key Features
The TPS26624DRCR offers several key features that make it a robust and versatile eFuse solution:
- Integrated Reverse Polarity Protection: Protects against both input and output reverse polarity up to –60 V.
- Adjustable Current Limit: Allows for adjustable current limits from 25 mA to 880 mA with ±5% accuracy.
- Surge and Transient Protection: Compliant with IEC 61000-4-5 and IEC 61000-4-4 standards for surge and electrical fast transients immunity.
- Fast Reverse Current Blocking: Responds quickly to reverse current events within 0.3 µs.
- Programmable Protection Thresholds: Adjustable undervoltage lockout, overvoltage protection, and output slew rate control.
- Low Quiescent Current: Low power consumption in both operating and shutdown modes.
- Compact Footprint: Available in a small 10-pin VSON package (3 mm × 3 mm).
- Wide Temperature Range: Operates over a temperature range of –40°C to +125°C.
- Certifications: UL 2367 recognized and IEC 62368-1 certified for safety compliance.
Applications
The TPS26624DRCR is suitable for a variety of applications, including:
- PLC I/O Modules: For protecting and controlling power in programmable logic controller input/output modules.
- AC and Servo Drives: For use in AC and servo drive systems that require robust power management and protection.
- Sensors and Controls: For protecting sensors and control systems from overcurrent, overvoltage, and other fault conditions.
- Thermostats: For use in thermostat systems to ensure reliable and protected power supply.
- Power over Ethernet (PoE) High-Side Protection: For protecting PoE systems from overcurrent and other power-related faults.
Q & A
- What is the operating voltage range of the TPS26624DRCR?
The TPS26624DRCR operates within a voltage range of 4.5 V to 60 V, with an absolute maximum voltage of 62 V.
- Does the TPS26624DRCR have reverse polarity protection?
Yes, it has both input and output reverse polarity protection up to –60 V.
- What is the adjustable current limit range of the TPS26624DRCR?
The current limit is adjustable from 25 mA to 880 mA with ±5% accuracy at 880 mA.
- How does the TPS26624DRCR protect against surges?
The device is compliant with IEC 61000-4-5 for surge protection and IEC 61000-4-4 for electrical fast transients immunity.
- What is the response time for reverse current blocking?
The device responds to reverse current events within 0.3 µs.
- Can the protection thresholds be programmed?
Yes, the undervoltage lockout, overvoltage protection, and output slew rate can be programmed.
- What is the quiescent current of the TPS26624DRCR?
The quiescent current is 340 µA in operating mode and 12 µA in shutdown mode.
- What is the package type and size of the TPS26624DRCR?
The device is available in a 10-pin VSON package with a footprint of 3 mm × 3 mm.
- What are the certifications for the TPS26624DRCR?
The device is UL 2367 recognized and IEC 62368-1 certified.
- What is the temperature range for the TPS26624DRCR?
The device operates over a temperature range of –40°C to +125°C.
