Overview
The TPS82130SILT from Texas Instruments is a 17-V input, 3-A step-down converter MicroSiP power module. This module is optimized for small solution size and high efficiency, integrating a synchronous step-down converter and an inductor. The compact 3-mm × 2.8-mm × 1.5-mm package makes it suitable for automated assembly by standard surface mount equipment. The TPS82130 operates using the DCS-Control topology, which combines the advantages of hysteretic and voltage mode control, ensuring excellent load transient performance and accurate output voltage regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3 to 17 | V |
| Output Current | 3 | A |
| Output Voltage Range | 0.9 to 6 | V |
| Switching Frequency | 2.0 MHz | |
| Quiescent Current (Power Save Mode) | 20 µA | |
| Operating Temperature Range | -40 to 125 | °C |
| Package Size | 3-mm × 2.8-mm × 1.5-mm | |
| High-Side FET On-Resistance (VIN ≥ 6 V) | 90 to 170 mΩ | |
| Low-Side FET On-Resistance (VIN ≥ 6 V) | 40 to 70 mΩ |
Key Features
- DCS-Control topology for seamless transition between PWM and power save modes
- Power save mode for high efficiency at light loads
- 100% duty cycle for lowest dropout voltage
- Programmable soft start-up with tracking
- Thermal shutdown protection
- Power-good output
- Low output voltage ripple, minimizing interference with RF circuits
- Integrated inductor to simplify design and reduce external components
Applications
- Industrial applications
- Telecom and networking applications
- Solid state drives
Q & A
- What is the input voltage range of the TPS82130SILT?
The input voltage range is from 3 V to 17 V.
- What is the maximum output current of the TPS82130SILT?
The maximum output current is 3 A.
- What is the switching frequency of the TPS82130SILT?
The switching frequency is typically 2.0 MHz.
- What is the quiescent current in power save mode?
The quiescent current in power save mode is typically 20 µA.
- What is the operating temperature range of the TPS82130SILT?
The operating temperature range is from -40°C to 125°C.
- Does the TPS82130SILT support 100% duty cycle operation?
Yes, it supports 100% duty cycle operation for the lowest dropout voltage.
- What protection features does the TPS82130SILT have?
The device has thermal shutdown protection and undervoltage lockout.
- Can the TPS82130SILT be used in battery-powered applications?
Yes, it is particularly useful in battery-powered applications to achieve the longest operation time by taking full advantage of the whole battery voltage range.
- How does the power-good output work?
The power-good output pin goes high impedance once the output is above 95% of the nominal voltage.
- Can the TPS82130SILT be used for output voltage tracking?
Yes, the SS/TR pin can be externally driven to achieve output voltage tracking.
