Overview
The TPS259531DSGT, produced by Texas Instruments, is a highly integrated circuit protection and power management solution belonging to the TPS2595xx family of eFuses (integrated FET hot swap devices). This device is designed to provide robust protection against overloads, short circuits, voltage surges, and excessive inrush current, making it an ideal component for various power management applications. It operates within a wide input voltage range of 2.7 V to 18 V and features a low on-resistance of 34 mΩ, ensuring efficient power delivery.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.7 V to 18 V |
| Absolute Maximum Voltage | 20 V |
| On-Resistance (RON) | 34 mΩ (Typical) |
| Current Range | 0.5 A to 4 A |
| Current Limit Accuracy | ±7.5% |
| Overvoltage Protection Clamp | 3.8 V, 5.7 V, 13.7 V options |
| Response Time for Overvoltage Protection | 5 µs (Typical) |
| Enable Input | Active High with Adjustable Undervoltage Lockout (UVLO) |
| Temperature Range | –40°C to +125°C |
| Certifications | UL 2367 Recognition, IEC 62368-1 Certified |
Key Features
- Adjustable current limit with load current monitor output (ILM)
- Adjustable output slew rate control (dVdt)
- Over temperature protection (OTP)
- Fault indication pin (FLT)
- Quick output discharge function (in TPS2595x5 variants)
- User-defined overvoltage cutoff threshold (in TPS259573 variant)
- ILM pin open/short detection
Applications
- Hot-Swap, Hot-Plug systems
- Adapter Powered Systems
- Multi-function Printers
- SSDs and HDDs
- Industrial Systems
- White Goods
- Set-Top Box and Digital TV
Q & A
- What is the input voltage range of the TPS259531DSGT?
The input voltage range is 2.7 V to 18 V. - What is the typical on-resistance of the TPS259531DSGT?
The typical on-resistance is 34 mΩ. - What are the overvoltage protection clamp options available?
The options are 3.8 V, 5.7 V, and 13.7 V. - How accurate is the current limit of the TPS259531DSGT?
The current limit accuracy is ±7.5%. - What is the response time for overvoltage protection?
The response time is 5 µs (Typical). - Does the TPS259531DSGT have over temperature protection?
Yes, it has over temperature protection (OTP). - What certifications does the TPS259531DSGT hold?
It holds UL 2367 Recognition and is IEC 62368-1 Certified. - Can the output slew rate be adjusted?
Yes, the output slew rate can be adjusted using a single external capacitor. - How can the output current limit level be set?
The output current limit level can be set with a single external resistor. - Is there a fault indication feature?
Yes, there is a fault indication pin (FLT).
