Overview
The TPS259573DSGR is a high-performance electronic fuse (eFuse) produced by Texas Instruments. This component is designed to provide robust protection and control for power distribution systems. It operates within a wide input voltage range of 2.7 V to 18 V and can handle up to 4 A of current. The TPS259573DSGR features a low on-resistance of 34 mΩ, ensuring minimal power loss and efficient operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.7 V to 18 V | V |
| Output Current | Up to 4 A | A |
| On-Resistance (RON) | 34 mΩ (Typical) | mΩ |
| Overvoltage Protection Clamp | 3.8 V, 5.7 V, 13.7 V options | V |
| Response Time for Overvoltage Protection | 5 µs (Typical) | µs |
| Enable Input | Active Low for TPS2595x3 variants | - |
| Current Limit Range | 0.5 A to 4 A | A |
| Current Limit Accuracy | ±7.5% | % |
| Output Slew Rate Control | Adjustable | - |
| Over Temperature Protection (OTP) | Yes | - |
| Fault Indication Pin | Yes, open drain output | - |
| Certifications | UL 2367 Recognition, IEC 62368-1 Certified | - |
Key Features
- Fast Overvoltage Protection: The TPS259573DSGR offers fast overvoltage protection with response times as low as 5 µs.
- Adjustable Current Limit: The current limit can be adjusted from 0.5 A to 4 A with an accuracy of ±7.5%.
- Load Current Monitoring: The component includes a load current monitor output (ILM) for real-time current monitoring.
- Output Slew Rate Control: The output slew rate can be adjusted to manage the rate of voltage change.
- Over Temperature Protection (OTP): Built-in OTP ensures the device operates within safe temperature limits.
- Fault Indication: A fault indication pin provides an open drain output to signal fault events.
- Certifications: The device is UL 2367 recognized and IEC 62368-1 certified, ensuring compliance with safety standards.
Applications
- Hot-Swap and Hot-Plug Systems: Ideal for systems that require safe insertion and removal of power modules.
- Adapter Powered Systems: Suitable for systems powered by adapters where overvoltage protection is crucial.
- Multi-function Printers and Storage Devices (SSDs and HDDs): Protects against overcurrent and overvoltage conditions in these devices.
- Industrial Systems and White Goods: Provides reliable power management in industrial and consumer appliances.
- Set-Top Boxes and Digital TVs: Ensures safe and efficient power distribution in these consumer electronics.
Q & A
- What is the input voltage range of the TPS259573DSGR?
The input voltage range is from 2.7 V to 18 V.
- What is the maximum output current of the TPS259573DSGR?
The maximum output current is up to 4 A.
- What is the typical on-resistance (RON) of the TPS259573DSGR?
The typical on-resistance is 34 mΩ.
- What are the overvoltage protection clamp options available?
The overvoltage protection clamp options are 3.8 V, 5.7 V, and 13.7 V.
- How fast is the overvoltage protection response time?
The response time is typically 5 µs.
- Does the TPS259573DSGR have adjustable current limit?
Yes, the current limit can be adjusted from 0.5 A to 4 A.
- What certifications does the TPS259573DSGR hold?
The device is UL 2367 recognized and IEC 62368-1 certified.
- What is the purpose of the fault indication pin?
The fault indication pin is an open drain output that signals fault events.
- Can the output slew rate be adjusted?
Yes, the output slew rate can be adjusted.
- Does the TPS259573DSGR have over temperature protection?
Yes, it includes built-in over temperature protection (OTP).
