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TPS40090 from TI/BB,Texas Instruments

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TPS40090

Manufacturer: TI/BB, TI

4 Channel Multiphase Buck DC/DC Controller
Partnumber Manufacturer Quantity Availability
TPS40090 TI/BB, TI 240 In Stock

Description and Introduction

4 Channel Multiphase Buck DC/DC Controller The TPS40090 is a synchronous buck controller manufactured by Texas Instruments (TI) and Burr-Brown (BB). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.7V to 5.5V  
- **Switching Frequency:** Adjustable from 100kHz to 600kHz  
- **Maximum Duty Cycle:** 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 16-pin HTSSOP (PowerPAD™)  

### **Descriptions:**  
The TPS40090 is a high-performance synchronous buck controller designed for step-down DC-DC conversion applications. It supports a wide input voltage range and provides efficient power conversion for various industrial, telecom, and computing systems. The controller integrates MOSFET drivers and offers adjustable switching frequency for optimized performance.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 28V)** – Suitable for multiple power supply applications.  
- **Adjustable Output Voltage (0.7V to 5.5V)** – Supports various load requirements.  
- **Synchronous Rectification** – Improves efficiency by reducing power loss.  
- **Adjustable Switching Frequency (100kHz to 600kHz)** – Allows optimization for efficiency and component size.  
- **PowerPAD™ Package** – Enhances thermal performance.  
- **Soft-Start Function** – Prevents inrush current during startup.  
- **Overcurrent Protection (OCP)** – Safeguards the circuit from excessive current.  
- **Undervoltage Lockout (UVLO)** – Ensures proper operation under low input voltage conditions.  

This information is based solely on the manufacturer's specifications.

Application Scenarios & Design Considerations

4 Channel Multiphase Buck DC/DC Controller

Alternative Part Number

  • LM5088 --: Wide-input synchronous buck controller with comparable gate-drive and current-limit features, suitable as a functional substitute in multi-phase supply designs.
  • ISL6566 --: Multi-phase PWM controller for CPU/VRM rails offering similar phase-count and current-sensing capability as the TPS40090.
  • ADP3198 --: Multi-phase buck controller with comparable voltage-mode control and current-limit functions, usable as an alternative in multiphase power stages.
  • LM5145 --: Wide-input synchronous buck controller with similar multi-phase PWM control capability and integrated gate drivers, suitable as a functional replacement in DC-DC converter designs.
  • ISL6622 --: Multi-phase buck controller offering comparable PWM regulation and current-sensing features, usable as a cross-vendor alternative for multiphase power supplies.
  • ADP4000 --: Multiphase synchronous buck controller with similar voltage-mode control and driver integration, providing a viable alternative for CPU/core power regulation.

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