Overview
The TPSM828224SILR from Texas Instruments is a high-efficiency step-down power module designed for compact and efficient power conversion. This device is part of the TPSM8282x family, which includes 1-A, 2-A, and 3-A step-down converters. The TPSM828224SILR specifically offers a 2-A output current and is packaged in a 2.0-mm × 2.5-mm × 1.1-mm μSiL package, making it ideal for applications where space is limited.
This module integrates a synchronous step-down converter and an inductor, simplifying design, reducing external components, and saving PCB area. It features a DCS-control topology for excellent load transient performance and accurate output voltage regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.4-V to 5.5-V | V |
| Output Voltage Range | 0.6-V to 4-V (adjustable), Fixed: 1.2-V, 1.8-V, 2.5-V, 3.3-V | V |
| Output Current | 2-A | A |
| Efficiency | Up to 95% | % |
| Quiescent Current | Typically 4-µA | µA |
| Switching Frequency | Typically 4 MHz | MHz |
| Package Size | 2.0-mm × 2.5-mm × 1.1-mm | mm |
| Operating Junction Temperature | –40°C to 125°C | °C |
| Protection Features | Overtemperature protection, Hiccup short circuit protection, Output discharge |
Key Features
- CISPR 11 class B compliant for reduced electromagnetic interference.
- High efficiency of up to 95% and low quiescent current of typically 4-µA in power save mode.
- DCS-control topology for excellent load transient performance and accurate output voltage regulation.
- Power save mode for high efficiency at light loads and forced-PWM mode for continuous conduction at all currents.
- 100% duty cycle for lowest dropout and integrated soft start-up to reduce inrush current.
- Power good output with window comparator and overtemperature protection.
- Integrated inductor and synchronous step-down converter to simplify design and reduce PCB area.
- Flexible system design with EN and PG pins supporting sequencing configurations.
Applications
- Optical modules
- Machine vision systems
- Industrial PCs
- Programmable Logic Controllers (PLCs)
- Wired networking equipment
Q & A
- What is the input voltage range of the TPSM828224SILR?
The input voltage range is from 2.4-V to 5.5-V.
- What are the available fixed output voltages for the TPSM828224SILR?
The fixed output voltages available are 1.2-V, 1.8-V, 2.5-V, and 3.3-V.
- What is the maximum output current of the TPSM828224SILR?
The maximum output current is 2-A.
- What is the efficiency of the TPSM828224SILR?
The efficiency can be up to 95%.
- What protection features does the TPSM828224SILR have?
The device features overtemperature protection, hiccup short circuit protection, and output discharge.
- What is the switching frequency of the TPSM828224SILR in PWM mode?
The switching frequency is typically 4 MHz.
- What is the quiescent current of the TPSM828224SILR in power save mode?
The quiescent current is typically 4-µA.
- Does the TPSM828224SILR support power save mode and forced-PWM mode?
- What is the package size of the TPSM828224SILR?
The package size is 2.0-mm × 2.5-mm × 1.1-mm.
- What are some typical applications of the TPSM828224SILR?
Typical applications include optical modules, machine vision systems, industrial PCs, PLCs, and wired networking equipment.
