Overview
The TPS2552DBVR-1, manufactured by Texas Instruments, is a power distribution switch designed for applications requiring precise current limiting or dealing with heavy capacitive loads and short circuits. This device is particularly suitable for USB ports and hubs, digital TVs, set-top boxes, and VoIP phones. It features an adjustable current limit from 75 mA to 1.7 A, with a maximum continuous load current of 1.5 A. The TPS2552DBVR-1 is known for its active low, latch-off, and current-limited power distribution capabilities, making it a reliable choice for protecting circuits from overcurrent and reverse voltage conditions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | Power Switch IC - Power Distribution | - | - |
| Type | USB Switch | - | - |
| Output Current | 1.5 | A | Continuous |
| Current Limit | 75 mA to 1.7 A | mA/A | Adjustable |
| On-Resistance (Max) | 85 | mΩ | - |
| Operating Temperature | -40 to +85 | °C | - |
| Supply Voltage | 2.5 to 6.5 | V | - |
| Package / Case | SOT-23-6 | - | - |
| Mounting Style | SMD/SMT | - | - |
Key Features
- Adjustable current limit from 75 mA to 1.7 A.
- Active low, latch-off, and current-limited power distribution.
- Maximum continuous load current of 1.5 A.
- On-resistance of 85 mΩ (max).
- Reverse input-output voltage protection.
- Built-in soft start for controlled rise and fall times.
- Fault output for overcurrent and reverse voltage conditions.
Applications
The TPS2552DBVR-1 is widely used in various applications including USB ports and hubs, digital TVs, set-top boxes, and VoIP phones. Its precise current limiting and protection features make it ideal for managing power distribution in these devices, ensuring safe and reliable operation under various load conditions.
Q & A
What is the maximum continuous load current of TPS2552DBVR-1?
The maximum continuous load current is 1.5 A.
What is the adjustable current limit range?
The adjustable current limit ranges from 75 mA to 1.7 A.
What is the on-resistance of TPS2552DBVR-1?
The on-resistance is 85 mΩ (max).
What are the key features of TPS2552DBVR-1?
Key features include adjustable current limit, active low, latch-off, current-limited power distribution, reverse input-output voltage protection, and built-in soft start.
What is the operating temperature range?
The operating temperature ranges from -40°C to +85°C.
What is the supply voltage range?
The supply voltage ranges from 2.5 V to 6.5 V.
What package does TPS2552DBVR-1 come in?
It comes in an SOT-23-6 package.
What are the typical applications of TPS2552DBVR-1?
Typical applications include USB ports and hubs, digital TVs, set-top boxes, and VoIP phones.
Does TPS2552DBVR-1 have reverse voltage protection?
Yes, it has reverse input-output voltage protection.
What is the fault output for?
The fault output indicates overcurrent and reverse voltage conditions.
