Overview
The TPS26600RHFR from Texas Instruments is a high-voltage, industrial-grade electronic fuse (eFuse) designed to provide comprehensive protection and control for various industrial applications. This device operates within a wide input voltage range of 4.2 V to 60 V, with an absolute maximum rating of 62 V. It integrates several key features, including reverse input polarity protection, adjustable current limiting, and overvoltage protection, making it a robust solution for systems requiring high reliability and safety.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Input Voltage (V(IN)) | 4.2 | - | 60 | V |
| Absolute Maximum Input Voltage | - | - | 62 | V |
| Reverse Input Polarity Protection | -60 | - | -60 | V |
| On-Resistance (RON) | - | 150 | - | mΩ |
| Adjustable Current Limit | 0.1 | - | 2.23 | A |
| Quiescent Current (IQ) | 190 | 300 | 390 | µA |
| Shutdown Current (IQ(OFF)) | 11 | 20 | 33 | µA |
| Temperature Range | -40 | - | 125 | °C |
| Package Type | - | 24-Pin VQFN | - | - |
Key Features
- Integrated reverse input polarity protection down to –60 V without additional components.
- Integrated back-to-back MOSFETs with a total on-resistance (RON) of 150 mΩ.
- Adjustable current limit from 0.1 A to 2.23 A with ±5% accuracy at 1 A.
- Functional safety capable with documentation available for system design.
- Load protection during surge conditions (IEC 61000-4-5) with minimal external components.
- IMON current indicator output with ±8.5% accuracy.
- Low quiescent current: 300 µA in operation and 20 µA in shutdown.
- Adjustable undervoltage lockout (UVLO), overvoltage protection (OVP), and output slew rate control.
- Reverse current blocking and fixed 38-V overvoltage clamp (TPS26602 only).
- Selectable current-limiting fault response options: Auto-Retry, Latch Off, and Circuit Breaker Modes.
- UL 2367 Recognized and UL 60950 compliant for safety during single-point failure tests.
Applications
- Programmable Logic Controllers (PLCs).
- Distributed Control Systems (DCS).
- Control and Automation Systems.
- Redundant Supply ORing.
- Industrial Surge Protection.
Q & A
- What is the operating voltage range of the TPS26600RHFR?
The operating voltage range is from 4.2 V to 60 V, with an absolute maximum rating of 62 V.
- Does the TPS26600RHFR have integrated reverse input polarity protection?
- What is the adjustable current limit range of the TPS26600RHFR?
The adjustable current limit ranges from 0.1 A to 2.23 A with ±5% accuracy at 1 A.
- Is the TPS26600RHFR functional safety capable?
- What types of fault responses are available for the TPS26600RHFR?
The device offers selectable current-limiting fault response options: Auto-Retry, Latch Off, and Circuit Breaker Modes.
- What are the package options for the TPS26600RHFR?
The device is available in 16-Pin HTSSOP and 24-Pin VQFN packages.
- What is the temperature range for the TPS26600RHFR?
The device operates over a temperature range of –40°C to +125°C.
- Does the TPS26600RHFR have overvoltage protection?
- Is the TPS26600RHFR compliant with any safety standards?
- What is the quiescent current of the TPS26600RHFR in operating and shutdown modes?
The quiescent current is 300 µA in operating mode and 20 µA in shutdown mode.
