Overview
The TPSM82821SILR is a high-efficiency step-down power module from Texas Instruments, designed for compact and efficient voltage regulation in various applications. This module integrates power MOSFETs, an inductor, input and output capacitors, and other components into a 2.0 x 2.5 x 1.1-mm μSIP package, simplifying power supply design and reducing the need for external components. It is part of the TPSM8282x family, which is optimized for small solution size and high efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Iout (max) (A) | 1 |
| Vin (min) (V) | 2.4 |
| Vin (max) (V) | 5.5 |
| Vout (min) (V) | 0.6 |
| Vout (max) (V) | 4 |
| Soft start | Fixed |
| Features | EMI Tested, Enable, Light Load Efficiency, Output discharge, Power good |
| Operating temperature range (°C) | -40 to 125 |
| Iq (typ) (mA) | 0.004 |
| Regulated outputs (#) | 1 |
| Switching frequency (max) (kHz) | 4000 |
| Switching frequency (min) (kHz) | 4000 |
| Duty cycle (max) (%) | 100 |
| Topology | Buck, Synchronous Buck |
| Type | Module |
| Control mode | Constant on-time (COT), DCS-Control |
| Package/Case | USIP (SIL)-10 |
| RoHs Status | Lead free / RoHS Compliant |
Key Features
- High-efficiency step-down power module with up to 95% efficiency.
- Compact 2.0 x 2.5 x 1.1-mm μSIP package.
- Input voltage range: 2.4-V to 5.5-V.
- Adjustable output voltage: 0.6-V to 4-V, with fixed output voltages available (1.2-V, 1.8-V, 2.5-V, and 3.3-V).
- Low operating quiescent current (Iq): 4 µA (typical).
- DCS-control topology and forced-PWM option for continuous conduction mode.
- Integrated soft start-up, overtemperature protection, and hiccup short circuit protection.
- Power save mode for light load efficiency and output discharge feature.
- Power good output with window comparator.
Applications
The TPSM82821SILR is suitable for a variety of applications requiring high-efficiency voltage regulation, such as:
- Portable electronics and battery-powered devices.
- Industrial control systems and automation.
- Medical devices and equipment.
- Aerospace and defense systems.
- Consumer electronics and appliances.
Q & A
- Q: What is the maximum output current of the TPSM82821SILR?
A: The maximum output current is 1 A. - Q: What is the input voltage range of the TPSM82821SILR?
A: The input voltage range is from 2.4 V to 5.5 V. - Q: Does the TPSM82821SILR have over-current protection?
A: Yes, it includes hiccup short circuit protection. - Q: What is the typical operating quiescent current of the TPSM82821SILR?
A: The typical operating quiescent current is 4 µA. - Q: Is the TPSM82821SILR RoHS compliant?
A: Yes, it is lead-free and RoHS compliant. - Q: What is the package type of the TPSM82821SILR?
A: It is packaged in a 10-pin μSIP (SIL) package. - Q: Does the TPSM82821SILR have a power save mode?
A: Yes, it has a power save mode for light load efficiency. - Q: What is the operating temperature range of the TPSM82821SILR?
A: The operating temperature range is from -40°C to 125°C. - Q: Does the TPSM82821SILR have integrated soft start-up?
A: Yes, it includes integrated soft start-up. - Q: Is the TPSM82821SILR EMI tested?
A: Yes, it is CISPR 11 class B compliant.
