Overview
The TPS22962DNYR from Texas Instruments is a highly integrated, ultra-low on-resistance (RON) single-channel load switch. This device is designed to handle high current and high temperature applications, making it suitable for a variety of industrial, medical, and computing environments. The TPS22962 features a small footprint WSON-8 package with an exposed thermal pad, enhancing thermal dissipation and overall performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VIN Voltage Range | 0.8 to 5.5 | V |
| VBIAS Voltage Range | 2.5 to 5.5 | V |
| Maximum Continuous Current | 10 | A |
| On-Resistance (RON) | 4.4 mΩ (typical at 25°C) | mΩ |
| Operating Temperature Range | -40 to 105 | °C |
| Package Type | WSON-8 with Thermal Pad | |
| ESD Performance | 2-kV Human-Body Model (HBM), 1-kV Charged-Device Model (CDM) | |
| Turn-on Time (tON) | 2397 μs (typical at VIN = 5 V, VBIAS = 5 V) | μs |
| Turn-off Time (tOFF) | 4 μs (typical at VIN = 5 V, VBIAS = 5 V) | μs |
| VOUT Rise Time (tR) | 2663 μs (typical at VIN = 5 V, VBIAS = 5 V, RL = 10 Ω, CL = 0.1 μF) | μs |
Key Features
- Ultra-low on-resistance (RON) of 4.4 mΩ (typical at 25°C)
- Single-channel load switch with controlled turn-on
- VIN voltage range from 0.8 V to 5.5 V and VBIAS voltage range from 2.5 V to 5.5 V
- Maximum continuous current of 10 A
- Quick Output Discharge (QOD) feature
- ESD performance tested per JESD 22: 2-kV Human-Body Model (HBM), 1-kV Charged-Device Model (CDM)
- Small WSON-8 package with an exposed thermal pad for enhanced thermal dissipation
- Operating temperature range from -40°C to 105°C
Applications
- Servers
- Medical devices
- Telecom systems
- Computing systems
- Industrial systems
- High current voltage rails
Q & A
- What is the maximum continuous current rating of the TPS22962?
The TPS22962 has a maximum continuous current rating of 10 A. - What is the on-resistance (RON) of the TPS22962?
The on-resistance (RON) of the TPS22962 is typically 4.4 mΩ at 25°C. - What is the operating temperature range of the TPS22962?
The operating temperature range of the TPS22962 is from -40°C to 105°C. - What type of package does the TPS22962 come in?
The TPS22962 comes in a WSON-8 package with an exposed thermal pad. - What are the VIN and VBIAS voltage ranges for the TPS22962?
The VIN voltage range is from 0.8 V to 5.5 V, and the VBIAS voltage range is from 2.5 V to 5.5 V. - Does the TPS22962 have any ESD protection features?
Yes, the TPS22962 has ESD performance tested per JESD 22: 2-kV Human-Body Model (HBM), 1-kV Charged-Device Model (CDM). - What is the Quick Output Discharge (QOD) feature in the TPS22962?
The Quick Output Discharge (QOD) feature allows for rapid discharge of the output capacitor when the switch is turned off. - How do I ensure optimal RON performance for the TPS22962?
For optimal RON performance, ensure that VIN ≤ VBIAS. The device may still function if VIN > VBIAS, but it will exhibit higher RON values. - What are some typical applications for the TPS22962?
The TPS22962 is typically used in servers, medical devices, telecom systems, computing systems, industrial systems, and high current voltage rails. - How do I measure the on-resistance (RON) accurately using the TPS22962EVM?
RON measurements should be made using the sense connections (TP2 – VIN Sense, TP3 – VOUT Sense) on the TPS22962EVM to accurately measure the voltage drop from VIN to VOUT and calculate the resistance.
