Overview
The Texas Instruments TPSM828223SILR is a high-efficiency step-down DC-DC converter module designed for compact and efficient power management solutions. This MicroSiP™ power module integrates a synchronous step-down converter and an inductor, simplifying design and reducing the need for external components. It is part of the TPSM8282x family, which includes 1-A, 2-A, and 3-A versions, with the TPSM828223SILR specifically offering a 2-A output current. The module is optimized for small solution size and high efficiency, making it suitable for a variety of applications requiring precise voltage regulation.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Part Number | TPSM828223SILR | |
| Package | µSiP-10 (2x2.5 mm) | |
| Input Voltage Range | 2.4 V to 5.5 V | |
| Output Voltage Range | 0.6 V to 4 V | |
| Output Current | 2 A | |
| Switching Frequency | 4 MHz | |
| Quiescent Current | 4 µA (typical) | |
| Operating Temperature Range | -40°C to 125°C | |
| Topology | Buck | |
| Mounting Style | SMD/SMT | |
| Efficiency | Up to 95% | |
| Compliance | RoHS compliant, CISPR 11 class B compliant |
Key Features
- High Efficiency: Up to 95% efficiency to minimize power loss and heat generation.
- Compact Design: MicroSiP™ power module with an integrated inductor, reducing the need for external components and saving PCB area.
- Flexible Operation: Operates in both PWM and power save modes to maintain high efficiency across various load conditions.
- Precise Voltage Regulation: DCS-Control topology for excellent load transient performance and accurate output voltage regulation.
- Protection Features: Includes overtemperature protection, hiccup short circuit protection, and undervoltage lockout.
- Soft Start and Output Discharge: Integrated soft start to reduce inrush current and output discharge for safe shutdown.
- Power Good and Enable Pins: Supports sequencing configurations with EN and PG pins.
Applications
The TPSM828223SILR is suitable for a wide range of applications that require efficient and compact power management solutions, including:
- Digital Circuits: Where a flexible output voltage range from 0.6 V to 4 V is necessary.
- Portable Electronics: To extend battery life with high efficiency and low quiescent current.
- Industrial Control Systems: For reliable and robust power supply in harsh environments.
- Automotive Systems: Where high efficiency and compact size are crucial.
- Medical Devices: Requiring precise voltage regulation and high reliability.
Q & A
- What is the input voltage range of the TPSM828223SILR?
The input voltage range is from 2.4 V to 5.5 V.
- What is the maximum output current of the TPSM828223SILR?
The maximum output current is 2 A.
- What is the switching frequency of the TPSM828223SILR?
The switching frequency is 4 MHz.
- Is the TPSM828223SILR RoHS compliant?
Yes, the TPSM828223SILR is RoHS compliant.
- What is the operating temperature range of the TPSM828223SILR?
The operating temperature range is from -40°C to 125°C.
- Does the TPSM828223SILR have built-in protection features?
Yes, it includes overtemperature protection, hiccup short circuit protection, and undervoltage lockout.
- How does the TPSM828223SILR manage efficiency at light loads?
The device enters power save mode at light loads to maintain high efficiency.
- What is the quiescent current of the TPSM828223SILR in power save mode?
The quiescent current is typically 4 µA in power save mode.
- Does the TPSM828223SILR support sequencing configurations?
Yes, it supports sequencing configurations with EN and PG pins.
- What is the topology of the TPSM828223SILR?
The topology is Buck.
