Overview
The TPS26600PWPR, produced by Texas Instruments, is a high-voltage electronic fuse (eFuse) designed for industrial applications. This device is part of the TPS2660x family, which offers a comprehensive suite of protection features. It operates within a wide supply input range of 4.2 to 60 V, making it suitable for controlling various DC bus voltages. The TPS26600PWPR integrates reverse input polarity protection, back-to-back MOSFETs for reverse current blocking, and adjustable current limits, among other features. This component is available in 16-pin HTSSOP and 24-pin VQFN packages, ensuring flexibility in system design.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Operating Input Voltage | 4.2 | 60 | V | |
| Absolute Maximum Input Voltage | 62 | V | ||
| Current Limit Range | 0.1 | 2.23 | A | |
| On-Resistance (RON) | 150 | mΩ | ||
| Quiescent Current (Enabled) | 190 | 300 | 390 | µA |
| Quiescent Current (Shutdown) | 11 | 20 | 33 | µA |
| Operating Temperature Range | -40 | 125 | °C | |
| Package Types | 16-Pin HTSSOP, 24-Pin VQFN |
Key Features
- Integrated reverse input polarity protection down to –60 V without additional components.
- Integrated back-to-back MOSFETs with 150-mΩ total RON for reverse current blocking.
- Adjustable current limit from 0.1 A to 2.23 A with ±5% accuracy at 1 A.
- Functional safety capable with available documentation for system design.
- Load protection during surge events (IEC 61000-4-5) with minimal external components.
- IMON current indicator output with ±8.5% accuracy.
- Low quiescent current: 300 µA in operating mode and 20 µA in shutdown mode.
- Adjustable UVLO, OVP cut off, and output slew rate control.
- Selectable current-limiting fault response options: Auto-Retry, Latch Off, and Circuit Breaker Modes.
- UL 2367 Recognized and compliant with UL 60950 for 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 TPS26600PWPR? The operating voltage range is from 4.2 V to 60 V.
- What is the maximum absolute input voltage the device can withstand? The device can withstand up to 62 V.
- What are the package options available for the TPS26600PWPR? It is available in 16-Pin HTSSOP and 24-Pin VQFN packages.
- Does the TPS26600PWPR have integrated reverse input polarity protection? Yes, it has integrated reverse input polarity protection down to –60 V.
- What is the range of the adjustable current limit? The current limit can be adjusted from 0.1 A to 2.23 A.
- Is the device functional safety capable? Yes, it is functional safety capable with available documentation for system design.
- What are the quiescent current values in operating and shutdown modes? The quiescent current is 300 µA in operating mode and 20 µA in shutdown mode.
- What types of fault responses are available for current limiting? The device offers Auto-Retry, Latch Off, and Circuit Breaker Modes.
- Is the device compliant with any safety standards? Yes, it is UL 2367 Recognized and compliant with UL 60950 for single point failure tests.
- What is the purpose of the IMON pin? The IMON pin provides an analog current monitor output, sourcing a scaled-down ratio of the current through the internal FET.
