Overview
The TPS54810PWPRG4 is a synchronous buck PWM switcher produced by Texas Instruments. This integrated circuit is part of the SWIFT™ series and is designed for high-efficiency power conversion. Although the TPS54810PWPRG4 is currently obsolete, it was widely used in various high-density power systems due to its robust features and performance. The device integrates all necessary active components, making it a compact solution for power supply needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Primary Input Voltage | 3 - 6 | V |
| Output Current | Up to 8 A | A |
| Output Voltage Adjustability | Down to 0.9 V with 1.0% accuracy | V |
| PWM Frequency | Fixed: 350 kHz, 550 kHz; Adjustable: 280 kHz to 700 kHz | kHz |
| MOSFET Switches | 30-mΩ, 12-A peak | mΩ, A |
| Package Type | 28-pin HTSSOP (PWP) with exposed thermal pad | |
| Junction-to-Ambient Thermal Resistance | 31.0 °C/W | °C/W |
Key Features
- High-efficiency synchronous buck PWM converter with integrated FETs.
- Adjustable output voltage down to 0.9 V with 1.0% accuracy.
- Wide PWM frequency range: fixed at 350 kHz or 550 kHz, or adjustable from 280 kHz to 700 kHz.
- Load protection by peak current limit and thermal shutdown.
- Integrated solution reduces board area and component count.
- Undervoltage lockout (UVLO) to prevent start-up until the input voltage reaches 3 V.
- Internally or externally set slow-start circuit to limit inrush currents.
- Power good output for processor/logic reset, fault signaling, and supply sequencing.
Applications
- Low-voltage, high-density distributed power systems.
- Point of load regulation for high-performance DSPs, FPGAs, ASICs, and microprocessors.
- Broadband, networking, and optical communications infrastructure.
- Portable computing and notebook PCs.
Q & A
- What is the primary input voltage range of the TPS54810PWPRG4?
The primary input voltage range is 3 V to 6 V.
- What is the maximum output current of the TPS54810PWPRG4?
The maximum output current is up to 8 A.
- How adjustable is the output voltage of the TPS54810PWPRG4?
The output voltage can be adjusted down to 0.9 V with 1.0% accuracy.
- What are the available PWM frequency options for the TPS54810PWPRG4?
The PWM frequency can be fixed at 350 kHz or 550 kHz, or adjustable from 280 kHz to 700 kHz.
- What type of MOSFET switches are integrated into the TPS54810PWPRG4?
The device integrates 30-mΩ, 12-A peak MOSFET switches.
- What is the package type of the TPS54810PWPRG4?
The package type is a 28-pin HTSSOP (PWP) with an exposed thermal pad.
- What is the junction-to-ambient thermal resistance of the TPS54810PWPRG4?
The junction-to-ambient thermal resistance is 31.0 °C/W.
- Does the TPS54810PWPRG4 have built-in protection features?
Yes, it includes peak current limit and thermal shutdown for load protection.
- What is the purpose of the power good output in the TPS54810PWPRG4?
The power good output is useful for processor/logic reset, fault signaling, and supply sequencing.
- Is the TPS54810PWPRG4 still in production?
No, the TPS54810PWPRG4 is currently obsolete and no longer manufactured.
