Product Overview
The TPS53681 from Texas Instruments is a multiphase synchronous buck controller with a PMBus interface, designed for high-current power rails in servers and datacenter boards. It supports multi-rail configurations and dynamic phase management for efficient operation across a wide load range.
Key Features
- Multiphase synchronous buck control
- PMBus interface with telemetry and control
- Dynamic phase adding and shedding
- Fast transient response for compute loads
- Pairs with TI smart power stages for compact VRM designs
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part number | TPS53681 |
| Function | Multiphase synchronous buck controller |
| Control interface | PMBus |
| Target application | Server Vcore / VRM power rails |
| Package | QFN |
Applications
- Server CPU and memory power
- AI server boards
- Telecom power modules
Why Choose Newfly Electronics
- Verified sourcing from original manufacturers and authorized channels
- Full traceability with date codes and batch documentation
- MOQ flexibility — samples, small batches, and production volumes
- Cross-reference and alternative-part service across brands
- Export documentation and worldwide shipping support
- Fast quotations within one business day
Contact sales@newflyelectronics.com or WhatsApp +86 15112635657 for current stock, pricing and datasheet support on TPS53681.
FAQ
Q: Does the TPS53681 need external MOSFETs?
A: It is designed to pair with TI smart power stages (e.g., CSD95-series) which integrate the MOSFETs and drivers.
Q: Is the PMBus firmware configurable?
A: Yes — voltage, phase count and protection thresholds are configured over PMBus.
Q: Can you quote a complete VRM BOM?
A: Yes — we offer full BOM sourcing including controller, power stages and passives.
Reviews
There are no reviews yet.