Overview
The TPS22810DBVT, produced by Texas Instruments, is a single-channel load switch designed with advanced features to manage power distribution efficiently. This device integrates a configurable rise time and an adjustable quick output discharge (QOD) function, making it versatile for various applications. It features thermal shutdown to protect against high junction temperatures, ensuring safe operation over a wide temperature range of –40°C to +105°C. The TPS22810DBVT is available in both SOT-23 (DBV) and WSON (DRV) packages, supporting maximum continuous currents of 2 A and 3 A, respectively.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOT-23 (DBV), WSON (DRV) | - |
| Maximum Continuous Current | 2 A (DBV), 3 A (DRV) | A |
| Input Voltage Range | 2.7 V to 18 V | V |
| Absolute Maximum Input Voltage | 20 V | V |
| On-Resistance (RON) | 79 mΩ (typical) at VIN = 12 V | mΩ |
| Quiescent Current | 62 µA (typical) at VIN = 12 V | µA |
| Shutdown Current | 500 nA (typical) at VIN = 12 V | nA |
| Operating Temperature Range | –40°C to +105°C | °C |
| Thermal Shutdown | Yes | - |
| Undervoltage Lock-Out (UVLO) | Yes | - |
| Adjustable Quick Output Discharge (QOD) | Yes | - |
| Configurable Rise Time | Yes | - |
| ESD Performance | ±2-kV HBM and ±1-kV CDM | - |
Key Features
- Integrated Single Channel Load Switch: The device contains an N-channel MOSFET for efficient power switching.
- Configurable Rise Time: Reduces inrush current caused by large bulk load capacitances, minimizing power supply droop.
- Adjustable Quick Output Discharge (QOD): Controls the fall time of the device for design flexibility during power down.
- Thermal Shutdown: Protects the device against high junction temperatures.
- Undervoltage Lock-Out (UVLO): Ensures the device turns off if the input voltage drops below a threshold value, protecting downstream circuitry.
- Low On-Resistance (RON): 79 mΩ (typical) at VIN = 12 V, reducing voltage drop for low-voltage and high-current rails.
- Low Quiescent and Shutdown Currents: 62 µA (typical) quiescent current and 500 nA (typical) shutdown current at VIN = 12 V.
- ESD Performance: Tested per JESD 22 with ±2-kV HBM and ±1-kV CDM.
- Package Options: Available in SOT-23 (DBV) and WSON (DRV) packages.
Applications
- HD TV: Suitable for power management in high-definition television systems.
- Industrial Systems: Used in various industrial applications requiring reliable power switching.
- Set Top Box: Ideal for set-top boxes and other consumer electronics.
- Surveillance Systems: Employed in surveillance systems for efficient power distribution.
Q & A
- What is the input voltage range of the TPS22810DBVT?
The input voltage range is from 2.7 V to 18 V.
- What are the maximum continuous current ratings for the SOT-23 and WSON packages?
The SOT-23 (DBV) package supports up to 2 A, while the WSON (DRV) package supports up to 3 A.
- What is the on-resistance (RON) of the TPS22810DBVT?
The on-resistance is 79 mΩ (typical) at VIN = 12 V.
- Does the TPS22810DBVT have thermal shutdown protection?
Yes, it features thermal shutdown to protect against high junction temperatures.
- How does the configurable rise time feature benefit the device?
The configurable rise time reduces inrush current caused by large bulk load capacitances, thereby reducing or eliminating power supply droop.
- What is the purpose of the undervoltage lock-out (UVLO) feature?
The UVLO feature ensures the device turns off if the input voltage drops below a threshold value, protecting downstream circuitry.
- How can the quick output discharge (QOD) be configured?
The QOD pin can be configured by shorting it to the VOUT pin, connecting it to the VOUT pin using an external resistor, or leaving it unused.
- What are the ESD performance ratings of the TPS22810DBVT?
The device is tested per JESD 22 with ±2-kV HBM and ±1-kV CDM.
- What are the operating temperature ranges for the TPS22810DBVT?
The device operates over a temperature range of –40°C to +105°C.
- In which packages is the TPS22810DBVT available?
The device is available in SOT-23 (DBV) and WSON (DRV) packages.
