Overview
The TPS2553DRVEVM-364 is an evaluation module (EVM) for the TPS2553 power-distribution switch from Texas Instruments. This module is designed to facilitate the evaluation and development of applications requiring precision current limiting, heavy capacitive loads, and short-circuit protection. The TPS2553 is part of a family of power-distribution switches that offer adjustable current-limiting capabilities, making them suitable for a variety of power management scenarios.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage, VIN | 2.5 | 6.5 | V | ||
| Maximum Load Current | 1.5 | A | |||
| Current-Limit Accuracy | At 1.7 A | ±6% | % | ||
| Adjustable Current Limit | 75 mA | 1700 mA | A | ||
| Operating Junction Temperature | -40°C | 125°C | °C | ||
| ESD Protection | 15 kV | V | |||
| High-Side MOSFET Resistance | 85 mΩ | Ω |
Key Features
- Up to 1.5 A of continuous load current
- Adjustable current limit: 75 mA to 1700 mA (typical)
- ±6% current-limit accuracy at higher current-limit settings
- Meets USB current-limiting requirements
- Backwards compatible with TPS2550 and TPS2551
- Constant-current (TPS255x) and latch-off (TPS255x-1) versions
- Fast overcurrent response - 2 µs (typical)
- Built-in soft start
- Reverse input-output voltage protection
- 15-kV ESD protection per IEC 61000-4-2 (with external capacitance)
- UL listed – File No. E169910 and NEMKO IEC60950-1-am1 ed2.0
Applications
The TPS2553 power-distribution switch is suitable for various applications where precision current limiting and protection against heavy capacitive loads and short circuits are essential. These include:
- USB ports and hubs
- Power distribution in consumer electronics
- Industrial control systems
- Automotive systems requiring robust power management
- Any system needing adjustable current limiting and overcurrent protection
Q & A
- What is the TPS2553DRVEVM-364 used for?
The TPS2553DRVEVM-364 is an evaluation module for the TPS2553 power-distribution switch, used to evaluate and develop applications requiring precision current limiting and protection against heavy loads and short circuits.
- What is the operating voltage range of the TPS2553?
The operating voltage range of the TPS2553 is from 2.5 V to 6.5 V.
- What is the maximum load current of the TPS2553?
The TPS2553 can handle up to 1.5 A of continuous load current.
- How is the current limit adjusted on the TPS2553?
The current limit can be adjusted by using an external resistor, allowing for a programmable current-limit threshold between 75 mA and 1700 mA.
- What kind of ESD protection does the TPS2553 offer?
The TPS2553 offers 15-kV ESD protection per IEC 61000-4-2 with external capacitance.
- Does the TPS2553 have built-in reverse voltage protection?
- What are the different versions of the TPS2553?
The TPS2553 is available in constant-current (TPS255x) and latch-off (TPS255x-1) versions.
- How fast is the overcurrent response of the TPS2553?
The overcurrent response of the TPS2553 is typically 2 µs.
- Is the TPS2553 backwards compatible with other models?
- What certifications does the TPS2553 hold?
The TPS2553 is UL listed – File No. E169910 and NEMKO IEC60950-1-am1 ed2.0.
