Overview
The CSD95480RWJ NexFET™ power stage, produced by Texas Instruments, is a highly optimized design for use in high-power, high-density synchronous buck converters. This component integrates the driver IC and power MOSFETs to complete the power stage switching function, providing high-current, high-efficiency, and high-speed switching capabilities. It is packaged in a small 5-mm × 6-mm QFN footprint, which includes ultra-low-inductance and thermally enhanced topside cooling features. The CSD95480RWJ simplifies system design by integrating accurate current sensing and temperature sensing functionality, and it is optimized for system design efficiency with a system-optimized PCB footprint.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Continuous Output Current | 70 | A |
| Peak Output Current | 90 | A |
| Switching Frequency | Up to 1.25 MHz | |
| Input Supply Voltage | 4.5 - 16 | V |
| Driver Supply Voltage | 4.5 - 5.5 | V |
| Gate Drive Voltage | 4.5 - 5.5 | V |
| Operating Junction Temperature | -40 to 125 | °C |
| Package Type | 41-Pin VQFN-CLIP (5x6) |
Key Features
- 70-A Continuous Operating Current Capability
- Over 95% System Efficiency at 30 A
- High-Frequency Operation (up to 1.25 MHz)
- Diode Emulation Function
- Temperature Compensated Bi-Directional Current Sense
- Analog Temperature Output
- Fault Monitoring
- 3.3-V and 5-V PWM Signal Compatible
- Tri-State PWM Input
- Integrated Bootstrap Switch
- Optimized Dead Time for Shoot-Through Protection
- High-Density QFN 5-mm × 6-mm Footprint
- Ultra-Low-Inductance Package
- System Optimized PCB Footprint
- Thermally Enhanced Topside Cooling
- RoHS Compliant – Lead-Free Terminal Plating
- Halogen Free
Applications
- Multiphase Synchronous Buck Converters
- High-Frequency Applications
- High-Current, Low-Duty Cycle Applications
- POL DC-DC Converters
- Memory and Graphic Cards
- Desktop and Server VR12.x / VR13.x V-Core Synchronous Buck Converters
Q & A
- What is the continuous output current capability of the CSD95480RWJ?
The CSD95480RWJ has a continuous output current capability of 70 A.
- What is the maximum switching frequency of the CSD95480RWJ?
The maximum switching frequency is up to 1.25 MHz.
- What are the input supply voltage and driver supply voltage ranges for the CSD95480RWJ?
The input supply voltage range is 4.5 - 16 V, and the driver supply voltage range is 4.5 - 5.5 V.
- Does the CSD95480RWJ support PWM signal compatibility?
Yes, it is compatible with 3.3-V and 5-V PWM signals.
- What is the package type and size of the CSD95480RWJ?
The package type is 41-Pin VQFN-CLIP, and the size is 5-mm × 6-mm.
- Is the CSD95480RWJ RoHS compliant?
Yes, it is RoHS compliant with lead-free terminal plating and halogen-free.
- What are some of the key features of the CSD95480RWJ?
Key features include high-frequency operation, diode emulation function, temperature compensated bi-directional current sense, and fault monitoring.
- What are the typical applications of the CSD95480RWJ?
Typical applications include multiphase synchronous buck converters, high-frequency applications, POL DC-DC converters, and memory and graphic cards.
- How does the CSD95480RWJ simplify system design?
The CSD95480RWJ simplifies system design by integrating accurate current sensing and temperature sensing functionality and optimizing the PCB footprint.
- What is the operating junction temperature range of the CSD95480RWJ?
The operating junction temperature range is -40 to 125 °C.
- Does the CSD95480RWJ have thermally enhanced cooling features?
Yes, it features thermally enhanced topside cooling.
