Overview
The TPS22992SRXNR from Texas Instruments is a single-channel load switch designed to maximize power density in various applications. This device features an 8.7-mΩ power MOSFET and supports input voltages ranging from 1 V to 5.5 V. It is part of the TPS22992x product family, which includes the TPS22992 and TPS22992S models, each tailored for different operational requirements.
The TPS22992SRXNR is particularly suited for applications requiring high current handling up to 6 A and adjustable rise times to minimize inrush current for high capacitance loads. The device also includes features such as adjustable quick output discharge (QOD), an open-drain Power Good (PG) signal, and thermal shutdown protection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Operating Voltage Range (VIN) | 1 V to 5.5 V | V |
| Bias Voltage Supply (VBIAS) | 1.5 V to 5.5 V | V |
| Maximum Continuous Current | 6 A | A |
| On-Resistance (RON) | 8.7 mΩ (typ.) | mΩ |
| Quiescent Current (IQ) - ON State | 30 µA (typ.) | µA |
| Shutdown Current (ISD) - OFF State | 0.1 µA (typ.) | µA |
| Package Type | WQFN - 8 (RXN) | - |
| Package Dimensions | 1.25 mm x 1.25 mm | mm |
| Pin Pitch | 0.4 mm | mm |
| Operating Temperature Range | -40°C to +125°C | °C |
| Thermal Shutdown | 170°C | °C |
Key Features
- Adjustable Rise Time Control: Allows for flexibility in power sequencing and minimizes inrush current for high capacitance loads.
- Adjustable Quick Output Discharge (QOD): Enables quick discharge of the output when the switch is turned off.
- Open Drain Power Good (PG) Signal: Indicates when the main MOSFET is fully turned on, useful for enabling downstream loads.
- Low Power Consumption: Low quiescent current in both ON and OFF states.
- Short Circuit Protection: Available in the TPS22992S model, preventing damage from short circuits.
- Thermal Shutdown: Protects the device from high temperature environments.
- Smart ON Pin Pulldown: Ensures proper operation with low voltage GPIO signals.
Applications
- Data Storage: Suitable for power management in data storage devices.
- PC & Notebooks: Used in power distribution within personal computers and notebooks.
- Industrial PC: Applicable in industrial computing environments.
- Optical Modules: Used in optical communication modules for power management.
Q & A
- What is the input operating voltage range of the TPS22992SRXNR?
The input operating voltage range is from 1 V to 5.5 V.
- What is the maximum continuous current the TPS22992SRXNR can handle?
The maximum continuous current is 6 A.
- What is the typical on-resistance (RON) of the TPS22992SRXNR?
The typical on-resistance is 8.7 mΩ.
- Does the TPS22992SRXNR have adjustable rise time control?
Yes, it has adjustable rise time control to minimize inrush current for high capacitance loads.
- What is the purpose of the Power Good (PG) signal?
The Power Good signal indicates when the main MOSFET is fully turned on, which can be used to enable downstream loads.
- Does the TPS22992SRXNR have thermal shutdown protection?
Yes, it has thermal shutdown protection to ensure operation within safe temperature limits.
- What is the package type and dimensions of the TPS22992SRXNR?
The package type is WQFN-8 (RXN) with dimensions of 1.25 mm x 1.25 mm and a pin pitch of 0.4 mm.
- What are the typical applications of the TPS22992SRXNR?
Typical applications include data storage, PC & notebooks, industrial PC, and optical modules.
- Does the TPS22992SRXNR have short circuit protection?
The TPS22992S model, which includes the TPS22992SRXNR, has short circuit protection.
- What is the operating temperature range of the TPS22992SRXNR?
The operating temperature range is from -40°C to +125°C.
