Overview
The TPS40056PWPR is a high-voltage, wide input, synchronous step-down DC/DC controller produced by Texas Instruments. It is part of a family of converters that offer significant design flexibility with various user-programmable functions. This controller is designed to operate with an input voltage range of 10 V to 40 V and can be used in a variety of applications requiring precise voltage regulation and tracking capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 16-Pin HTSSOP (PWP) with Exposed Pad |
| Operating Temperature Range | -40°C to 85°C |
| Input Voltage Range | 10 V to 40 V |
| Switching Frequency | 100 kHz to 1 MHz |
| Duty Cycle (Max) | 90% |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Output Configuration | Positive, Single Output |
| Topology | Buck |
| Control Features | Current Limit, Enable, Frequency Control, Soft Start |
| Thermal Shutdown | Yes |
Key Features
- Operating Input Voltage: 10 V to 40 V
- Output Voltage Tracks External Reference
- Programmable Fixed-Frequency Up to 100 kHz to 1 MHz Voltage Mode Controller
- Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
- Externally Synchronizable
- Programmable Short-Circuit Protection with Pulse-by-Pulse Current Limit and Hiccup Mode
- Thermal Shutdown
- 16-Pin PowerPAD Package (θJC = 2°C/W)
- Programmable Closed-Loop Soft-Start
Applications
- DDR Tracking Regulators
- Power Modules
- Networking Equipment
- Industrial Servers
Q & A
- What is the input voltage range of the TPS40056PWPR?
The input voltage range is 10 V to 40 V.
- What is the switching frequency range of the TPS40056PWPR?
The switching frequency range is 100 kHz to 1 MHz.
- Does the TPS40056PWPR support external synchronization?
Yes, it is externally synchronizable.
- What type of protection does the TPS40056PWPR offer against short circuits?
It offers programmable short-circuit protection with pulse-by-pulse current limit and hiccup mode.
- What is the package type and pin count of the TPS40056PWPR?
The package type is 16-Pin HTSSOP (PWP) with an exposed pad.
- What are the key applications of the TPS40056PWPR?
Key applications include DDR tracking regulators, power modules, networking equipment, and industrial servers.
- Does the TPS40056PWPR have thermal shutdown protection?
Yes, it includes thermal shutdown protection.
- Can the TPS40056PWPR be programmed for soft-start?
Yes, it supports programmable closed-loop soft-start.
- What is the duty cycle maximum for the TPS40056PWPR?
The maximum duty cycle is 90%.
- Does the TPS40056PWPR have built-in ESD protection?
No, it has limited built-in ESD protection, and precautions should be taken during storage and handling.
