Overview
The TPS2051BDG4 is a power-distribution switch from Texas Instruments, designed to manage power distribution in various electronic systems. This device is part of the TPS2051B series and is packaged in a 14-pin SOIC (D) package. It is intended for applications where heavy capacitive loads and short circuits are likely to occur. The TPS2051BDG4 incorporates a 70-mΩ N-channel MOSFET power switch, providing efficient power distribution with built-in protection features.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage (VI(IN)) | -0.3 | - | 6 | V |
| Output Voltage (VO(OUT)) | -0.3 | - | 6 | V |
| Continuous Output Current (IO(OUT)) | - | 500 | - | mA |
| High-Side MOSFET Resistance | - | 70 | - | mΩ |
| Operating Temperature Range | -40 | - | 85 | °C |
| Short-Circuit Output Current (IOS) | 0.7 | 0.9 | 1.1 | A |
| Overcurrent Trip Threshold | 1.5 | - | 1.9 | A |
| Rise Time | 0.4 | 0.6 | 1.5 | ms |
| Fall Time | 0.05 | 0.5 | - | ms |
| Standby Supply Current | - | 1 | 5 | μA |
Key Features
- 70-mΩ High-Side MOSFET: Provides low resistance for efficient power distribution.
- 500-mA Continuous Current: Supports high current applications.
- Thermal and Short-Circuit Protection: Ensures device reliability by protecting against thermal and short-circuit conditions.
- Accurate Current Limit: Limits current to prevent damage during overcurrent conditions.
- Undervoltage Lockout: Prevents the device from operating below a specified voltage threshold.
- Deglitched Fault Report: Provides a reliable fault signal without glitches.
- No OC Glitch During Power Up: Ensures a clean power-up sequence without overcurrent glitches.
- UL Recognized: Meets UL safety standards for reliability and safety.
Applications
- Heavy Capacitive Loads: Ideal for applications with high capacitive loads that require stable power distribution.
- Short-Circuit Protections: Suitable for systems that need robust protection against short circuits.
- Power Distribution in Electronic Systems: Used in various electronic systems requiring reliable and protected power distribution.
Q & A
- What is the maximum continuous output current of the TPS2051BDG4?
The maximum continuous output current is 500 mA.
- What is the operating temperature range of the TPS2051BDG4?
The operating temperature range is from -40°C to 85°C.
- Does the TPS2051BDG4 have built-in thermal protection?
- What is the typical rise time of the TPS2051BDG4?
The typical rise time is 0.6 ms.
- Does the TPS2051BDG4 have an undervoltage lockout feature?
- What is the maximum standby supply current of the TPS2051BDG4?
The maximum standby supply current is 5 μA.
- Is the TPS2051BDG4 UL recognized?
- What type of MOSFET does the TPS2051BDG4 use?
- Does the TPS2051BDG4 provide a deglitched fault report?
- What is the overcurrent trip threshold of the TPS2051BDG4?
The overcurrent trip threshold is between 1.5 A and 1.9 A.
