Overview
The TPS26602RHFR from 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 TPS26602RHFR is particularly notable for its integrated back-to-back FETs, which provide reverse current blocking, and its ability to withstand and protect loads from both positive and negative supply voltages up to ±60 V.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Voltage | 4.2 V to 60 V |
| Absolute Maximum Voltage | 62 V |
| Output Current | 0.1 A to 2.23 A (adjustable) |
| On-Resistance (RON) | 150 mΩ (total) |
| Operating Temperature | -40°C to +125°C |
| Package Type | 24-Pin VQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Quiescent Current | 300 µA (operating), 20 µA (shutdown) |
Key Features
- Integrated reverse input polarity protection down to –60 V
- Integrated back-to-back MOSFETs with 150-mΩ total RON
- Adjustable current limit (±5% accuracy at 1 A)
- Functional safety capable with available documentation
- Load protection during surge (IEC 61000-4-5) with minimum external components
- IMON current indicator output (±8.5% accuracy)
- Low quiescent current
- Adjustable UVLO, OVP cut off, output slew rate control
- Reverse current blocking
- Fixed 38-V overvoltage clamp (specific to TPS26602)
- Selectable current-limiting fault response options (Auto-Retry, Latch Off, Circuit Breaker Modes)
- UL 2367 Recognized
Applications
- Programmable logic controllers
- Distributed Control Systems (DCS)
- Control and automation systems
- Redundant supply ORing
- Industrial surge protection
Q & A
- What is the operating voltage range of the TPS26602RHFR?
The operating voltage range is 4.2 V to 60 V, with an absolute maximum voltage of 62 V.
- What type of protection does the TPS26602RHFR offer against reverse input polarity?
The device offers integrated reverse input polarity protection down to –60 V.
- What is the on-resistance (RON) of the TPS26602RHFR?
The total on-resistance (RON) is 150 mΩ.
- What are the available package types for the TPS26602RHFR?
The device is available in a 24-Pin VQFN Exposed Pad package.
- What are the quiescent current values for the TPS26602RHFR?
The quiescent current is 300 µA in operating mode and 20 µA in shutdown mode.
- Does the TPS26602RHFR support functional safety?
- What kind of fault response options are available for the TPS26602RHFR?
The device offers selectable current-limiting fault response options including Auto-Retry, Latch Off, and Circuit Breaker Modes.
- Is the TPS26602RHFR certified by any safety standards?
- What is the purpose of the IMON current indicator output?
The IMON current indicator output provides a scaled-down ratio of the current through the internal FET with ±8.5% accuracy.
- What are some common applications for the TPS26602RHFR?
