Overview
The TPS54680PWPR is a high-performance, synchronous buck PWM converter developed by Texas Instruments. It is part of the SWIFT™ family of dc/dc regulators and is designed for low-input voltage and high-output current applications. This converter integrates all required active components, making it an efficient and compact solution for various power supply needs. The TPS54680PWPR is available in a thermally enhanced 28-pin HTSSOP (PWP) PowerPAD package, which helps in eliminating bulky heatsinks and improving thermal performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3 V to 6 V | V |
| Output Current | 6 A | A |
| Output Voltage Range | 0.9 V to 3.3 V | V |
| PWM Frequency | Fixed 350 kHz or Adjustable 280 kHz to 700 kHz | kHz |
| MOSFET Switches | 30-mΩ, 12-A Peak | mΩ, A |
| Package Type | 28-pin HTSSOP (PWP) | |
| Operating Temperature Range | -40°C to 85°C | °C |
Key Features
- Power Up/Down Tracking For Sequencing using the TRACKIN pin
- 30-mΩ, 12-A Peak MOSFET Switches for high efficiency at 6-A continuous output source or sink current
- Wide PWM Frequency: Fixed 350 kHz or Adjustable 280 kHz to 700 kHz
- Power Good and Enable signals for monitoring and control
- Load protection by peak current limit and thermal shutdown
- Integrated solution reduces board area and component count
- True, high-performance voltage error amplifier for maximum performance and flexibility in choosing output filter components
- Under-voltage-lockout circuit to prevent start-up until the input voltage reaches 3 V
- Internally or externally set slow-start circuit to limit inrush currents
Applications
- Low-Voltage, High-Density Distributed Power Systems
- Point of Load Regulation for High Performance DSPs, FPGAs, ASICs, and Microprocessors Requiring Sequencing
- Broadband, Networking, and Optical Communications Infrastructure
Q & A
- What is the input voltage range of the TPS54680PWPR?
The input voltage range is 3 V to 6 V.
- What is the maximum output current of the TPS54680PWPR?
The maximum output current is 6 A.
- What are the available PWM frequencies for the TPS54680PWPR?
The PWM frequency can be fixed at 350 kHz or adjustable from 280 kHz to 700 kHz.
- What type of package does the TPS54680PWPR come in?
The TPS54680PWPR comes in a 28-pin HTSSOP (PWP) PowerPAD package.
- What is the operating temperature range of the TPS54680PWPR?
The operating temperature range is -40°C to 85°C.
- How does the TPS54680PWPR support power up/down tracking?
The TPS54680PWPR supports power up/down tracking using the TRACKIN pin.
- What kind of MOSFET switches are integrated into the TPS54680PWPR?
The TPS54680PWPR integrates 30-mΩ, 12-A peak MOSFET switches.
- What protection features are included in the TPS54680PWPR?
The device includes load protection by peak current limit and thermal shutdown.
- How does the TPS54680PWPR reduce board area and component count?
The TPS54680PWPR is an integrated solution that reduces board area and component count by incorporating all required active components.
- What tools are provided by Texas Instruments to aid in designing with the TPS54680PWPR?
Texas Instruments provides evaluation modules and the SWIFT designer software tool to aid in quickly achieving high-performance power supply designs.
