Overview
The TPS259251DRCT from Texas Instruments is a highly integrated circuit protection and power management solution, part of the TPS25925x/6x family of eFuses. This device is designed to provide robust protection against overloads, short circuits, voltage surges, and excessive inrush current in 5-V systems. It features a small footprint, utilizing a 10-pin VSON package (3 mm × 3 mm), and requires few external components to operate effectively.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.5 - 5.5 | V |
| Pass MOSFET Resistance | 30 | mΩ |
| Adjustable Current Limit | 2 - 5 A (±15% Accuracy) | A |
| Over-Voltage Clamp | 6.1 V | V |
| Thermal Shutdown Threshold | 150°C | °C |
| Thermal Shutdown Hysteresis | 10°C | °C |
| Package Type | 10-pin VSON (3 mm × 3 mm) | |
| UL Recognition | UL 2367 Recognized – File No. E339631 |
Key Features
- Integrated 30-mΩ Pass MOSFET for low resistance and high efficiency.
- Fixed Over-Voltage Clamp at 6.1 V for 5-V systems.
- Adjustable current limit (2 A to 5 A) with ±15% accuracy using a single external resistor.
- Programmable output slew rate using a single capacitor.
- Built-in thermal shutdown with auto-retry capability for TPS259251/61 devices.
- UL 2367 recognized and safe during single point failure tests (UL60950).
- Small footprint in a 10-pin VSON package (3 mm × 3 mm).
Applications
The TPS259251DRCT is suitable for a variety of applications requiring robust circuit protection and power management, including:
- Server and data center power supplies.
- Telecom and networking equipment.
- Industrial control systems.
- Medical devices.
- Automotive systems.
Q & A
- What is the input voltage range of the TPS259251DRCT?
The input voltage range is 4.5 V to 5.5 V. - What is the resistance of the integrated Pass MOSFET?
The resistance of the integrated Pass MOSFET is 30 mΩ. - How is the current limit adjusted?
The current limit can be adjusted from 2 A to 5 A using a single external resistor with ±15% accuracy. - What is the over-voltage clamp level for the TPS259251DRCT?
The over-voltage clamp level is 6.1 V. - Does the device have thermal shutdown protection?
Yes, the device has built-in thermal shutdown protection with a threshold of 150°C and hysteresis of 10°C. - What is the package type and size of the TPS259251DRCT?
The package type is a 10-pin VSON, and the size is 3 mm × 3 mm. - Is the device UL recognized?
Yes, the device is UL 2367 recognized – File No. E339631. - How does the thermal shutdown behave in TPS259251/61 devices?
In TPS259251/61 devices, the thermal shutdown is followed by an auto-retry cycle of 145 ms after the device temperature falls below the shutdown threshold minus 10°C. - Can the output slew rate be programmed?
Yes, the output slew rate can be programmed using a single capacitor connected to the dV/dT pin. - What types of applications is the TPS259251DRCT suitable for?
The device is suitable for server and data center power supplies, telecom and networking equipment, industrial control systems, medical devices, and automotive systems.
