Overview
The TPS26600PWPT from Texas Instruments is a compact, feature-rich high-voltage eFuse designed to provide comprehensive protection and control for various DC bus voltages. This device operates within a wide supply input range of 4.2 to 60 V, with an absolute maximum voltage of 62 V, and can withstand both positive and negative supply voltages up to ±60 V. It integrates back-to-back MOSFETs, offering reverse current blocking and making it suitable for systems requiring output voltage holdup during power fail and brownout conditions. The TPS26600PWPT is available in a 16-pin HTSSOP package and is specified over a temperature range of –40°C to +125°C.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Voltage Range | 4.2 V to 60 V (62 V absolute maximum) |
| Integrated Reverse Input Polarity Protection | Down to –60 V |
| Total RON of Integrated Back-to-Back MOSFETs | 150 mΩ |
| Adjustable Current Limit | 0.1 A to 2.23 A (±5% accuracy at 1 A) |
| Quiescent Current | 300 µA in operating mode, 20 µA in shutdown mode |
| Package Type | 16-pin HTSSOP |
| Operating Temperature Range | –40°C to +125°C |
| UL Recognition | UL 2367 Recognized, File No. 169910 |
Key Features
- Integrated reverse input polarity protection down to –60 V.
- No additional components required.
- Integrated back-to-back MOSFETs with 150-mΩ total RON.
- 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 (IEC 61000-4-5) with minimal external components.
- IMON current indicator output with ±8.5% accuracy.
- Low quiescent current: 300 µA in operating mode, 20 µA in shutdown mode.
- Adjustable UVLO, OVP cut off, 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, Circuit Breaker Modes.
Applications
The TPS26600PWPT is suitable for a variety of applications requiring high-voltage protection and control, including:
- Industrial power systems.
- Automotive systems requiring robust protection against voltage surges and reverse polarity.
- Telecommunications and networking equipment.
- Medical devices needing reliable power protection.
- Systems with output voltage holdup requirements during power fail and brownout conditions.
Q & A
- What is the operating voltage range of the TPS26600PWPT?
The operating voltage range is from 4.2 V to 60 V, with an absolute maximum voltage of 62 V.
- What kind of polarity protection does the TPS26600PWPT offer?
The device offers integrated reverse input polarity protection down to –60 V.
- What is the total RON of the integrated back-to-back MOSFETs?
The total RON is 150 mΩ.
- What is the adjustable current limit range of the TPS26600PWPT?
The adjustable current limit ranges from 0.1 A to 2.23 A with ±5% accuracy at 1 A.
- 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 package types are available for the TPS26600PWPT?
The device is available in a 16-pin HTSSOP package.
- What is the operating temperature range of the TPS26600PWPT?
The operating temperature range is from –40°C to +125°C.
- Does the TPS26600PWPT have any UL recognition?
Yes, it is UL 2367 Recognized, File No. 169910.
- What are the selectable current-limiting fault response options?
The options include Auto-Retry, Latch Off, and Circuit Breaker Modes.
- Does the TPS26600PWPT provide any current monitoring features?
Yes, it provides an IMON current indicator output with ±8.5% accuracy.
