Overview
The TPS22953DSQR is a high-performance, single-channel load switch produced by Texas Instruments. This device is designed to operate within an input voltage range of 0.7 V to 5.7 V and can support a maximum continuous current of 5 A. It features a low on-resistance of 14 mΩ at VIN = 5 V, making it suitable for a wide range of power management applications. The load switch is packaged in a small, 10-pin WSON (DSQ) package with an integrated thermal pad, enhancing power dissipation and thermal performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 0.7 V to 5.7 V | V |
| Maximum Continuous Switch Current | 5 A | A |
| On-Resistance (RON) | 14 mΩ at VIN = 5 V | mΩ |
| Operating Temperature Range | -40°C to 105°C | °C |
| Package Type | WSON-10 | |
| Number of Pins | 10 | |
| Quiescent Current | ≤ 50 µA | µA |
| ESD Performance | 2-kV HBM, 750-V CDM |
Key Features
- Integrated Single Channel Load Switch with controlled turn-on.
- Adjustable Undervoltage Lockout (UVLO) and adjustable Power Good (PG) threshold for robust power sequencing.
- Adjustable rise time control to reduce inrush current and power supply droop.
- Reverse Current Blocking when disabled.
- Automatic restart after supervisor fault detection when enabled.
- Thermal Shutdown for overtemperature protection.
- Enhanced Quick Output Discharge (QOD) remains active for a short time after power is removed.
- Low Quiescent Current ≤ 50 µA.
- ESD Performance Tested Per JESD 22: 2-kV HBM and 750-V CDM.
Applications
The TPS22953DSQR is suitable for various power management applications, including:
- Power sequencing and voltage monitoring in industrial and automotive systems.
- Load switching and power distribution in consumer electronics and IoT devices.
- Protection and control of bulk load capacitances in power supplies.
- General-purpose power switching where controlled turn-on and low on-resistance are required.
Q & A
- What is the input voltage range of the TPS22953DSQR?
The input voltage range is from 0.7 V to 5.7 V.
- What is the maximum continuous switch current of the TPS22953DSQR?
The maximum continuous switch current is 5 A.
- What is the on-resistance (RON) of the TPS22953DSQR?
The on-resistance is 14 mΩ at VIN = 5 V.
- What is the operating temperature range of the TPS22953DSQR?
The operating temperature range is from -40°C to 105°C.
- Does the TPS22953DSQR have adjustable undervoltage lockout (UVLO) and power good (PG) threshold?
Yes, it has adjustable UVLO and PG threshold for robust power sequencing.
- What is the quiescent current of the TPS22953DSQR?
The quiescent current is ≤ 50 µA.
- Does the TPS22953DSQR have thermal shutdown protection?
Yes, it has thermal shutdown protection for overtemperature conditions.
- What is the ESD performance of the TPS22953DSQR?
The ESD performance is tested per JESD 22: 2-kV HBM and 750-V CDM.
- Is the TPS22953DSQR available in a small package?
Yes, it is available in a small, 10-pin WSON (DSQ) package with an integrated thermal pad.
- What are some typical applications of the TPS22953DSQR?
Typical applications include power sequencing, voltage monitoring, load switching, and protection of bulk load capacitances in various systems.
