Overview
The TPS2051CDBVEVM-636 is an evaluation module designed for the TPS2051B power-distribution switch from Texas Instruments. This module is intended to facilitate the evaluation and testing of the TPS2051B in various applications. The TPS2051B itself is a current-limited, power-distribution switch that incorporates a 70mΩ N-channel MOSFET for power-distribution systems. It is particularly useful in scenarios where heavy capacitive loads and short circuits are likely to occur.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOT-23 (DBV), 5 pins |
| Operating Temperature Range | -40°C to 125°C |
| Continuous Current | 500 mA |
| On-Resistance (R_DS(on)) | 70 mΩ |
| Operating Voltage Range | 2.7 V to 5.5 V |
| Rise Time | 0.6 ms (typical) |
| Standby Supply Current | 1 µA (single, dual) or 2 µA (triple, quad) |
| Undervoltage Lockout | 2 V to 2.5 V (hysteresis: 75 mV) |
| Overcurrent Trip Threshold | 0.75 A to 1.25 A |
| Thermal and Short-Circuit Protection | Yes |
| UL Recognition | File Number E169910 |
Key Features
- 70mΩ High-Side MOSFET
- 500 mA Continuous Current
- Thermal and Short-Circuit Protection
- Accurate Current Limit (0.75 A Minimum, 1.25 A Maximum)
- Operating Range: 2.7 V to 5.5 V
- 0.6 ms Typical Rise Time
- Undervoltage Lockout
- Deglitched Fault Report (OC)
- No OC Glitch During Power Up
- Maximum Standby Supply Current: 1 µA (Single, Dual) or 2 µA (Triple, Quad)
- Ambient Temperature Range: –40°C to 85°C
- UL Recognized, File Number E169910
Applications
The TPS2051B and its evaluation module, TPS2051CDBVEVM-636, are designed for applications where reliable power distribution is critical, such as in portable electronics, USB peripherals, and systems that require protection against heavy capacitive loads and short circuits. These devices are also suitable for use in industrial control systems, medical devices, and any other application requiring robust power management.
Q & A
- What is the TPS2051CDBVEVM-636 evaluation module used for?
The TPS2051CDBVEVM-636 is used to evaluate and test the TPS2051B power-distribution switch from Texas Instruments. - What is the package type of the TPS2051B?
The TPS2051B comes in a SOT-23 (DBV) package with 5 pins. - What is the continuous current rating of the TPS2051B?
The continuous current rating is 500 mA. - What is the on-resistance (R_DS(on)) of the TPS2051B?
The on-resistance is 70 mΩ. - What is the operating voltage range of the TPS2051B?
The operating voltage range is from 2.7 V to 5.5 V. - Does the TPS2051B have thermal and short-circuit protection?
Yes, it does. - What is the typical rise time of the TPS2051B?
The typical rise time is 0.6 ms. - What is the standby supply current of the TPS2051B?
The standby supply current is 1 µA (single, dual) or 2 µA (triple, quad). - Is the TPS2051B UL recognized?
Yes, it is UL recognized with File Number E169910. - What are some common applications of the TPS2051B?
Common applications include portable electronics, USB peripherals, industrial control systems, and medical devices.
