TPS40140RHHT

TPS40140RHHT Specifications

Manufacturer: Texas Instruments
Part Number: TPS40140RHHT
Product Type: Dual or 2-Phase, Stackable Synchronous Buck Controller
Input Voltage Range: 4.5 V to 15 V
Output Voltage Range: 0.7 V to 5.8 V
Switching Frequency: Programmable up to 1 MHz per phase
Reference Voltage Accuracy: 0.5% internally trimmed to 0.7 V
Shutdown Current: 10 µA
Control Method: Current Mode Control with Forced Current Sharing
Power Stage Operation Range: 1 V to 40 V
Current Sensing: Supports resistive or inductor DCR current sensing
Package / Case: 36-Pin VQFN (6 mm × 6 mm)
Operating Temperature Range: -40°C to +85°C
RoHS Status: RoHS Compliant

Key Features

The TPS40140RHHT is a versatile synchronous buck controller from Texas Instruments, designed for high-performance power management applications. It can be configured for dual-output or 2-phase interleaved operation and is stackable up to 16 phases. This provides flexibility for various power requirements. Operating over an input voltage range of 4.5 V to 15 V, it delivers output voltages from 0.7 V to 5.8 V with a high degree of accuracy, thanks to its 0.5% internally trimmed 0.7 V reference. The device supports programmable switching frequencies up to 1 MHz per phase, allowing optimization for efficiency and transient response.

Its current mode control with forced current sharing ensures balanced load distribution across phases, enhancing system reliability. Additionally, the TPS40140RHHT supports both resistive and inductor DCR current sensing methods, offering design flexibility. Its low shutdown current of 10 µA contributes to energy-efficient designs. The controller is housed in a compact 36-pin VQFN package, suitable for space-constrained applications.

Applications

High-current point-of-load converters in servers and workstations
Networking equipment requiring efficient power distribution
Telecommunications systems with multiple voltage rails
Industrial power supplies needing scalable power solutions
DC power distributed systems in data centers

Product Overview

Texas Instruments’ TPS40140RHHT is engineered to meet the demands of modern power management systems requiring flexibility, efficiency, and precision. Its ability to operate in dual-output or 2-phase interleaved configurations, along with stickability up to 16 phases, makes it adaptable to various high-current applications. The programmable switching frequency up to 1 MHz per phase allows designers to fine-tune performance parameters to meet specific system requirements.

The controller’s current mode control with forced current sharing ensures equal load distribution, which is crucial for maintaining system stability and extending the lifespan of components. Support for both resistive and inductor DCR current sensing provides flexibility in current measurement approaches, catering to different design preferences. With a low shutdown current of 10 µA, the TPS40140RHHT is suitable for energy-conscious applications. Its compact 36-pin VQFN package facilitates integration into designs where board space is at a premium. Overall, the TPS40140RHHT offers a robust solution for complex power management challenges. Thus making it a valuable component in various industrial, networking, and computing applications.

Contact Us

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