TPS40130RHBRG4

Product Overview

Category: Integrated Circuits (ICs)

Use: Power Management IC

Characteristics: - High Efficiency Synchronous Buck Controller - Wide Input Voltage Range: 4.5V to 18V - Adjustable Output Voltage Range: 0.6V to 90% of VIN - Fixed Frequency Voltage Mode Control - Programmable Soft Start - Overcurrent Protection - Thermal Shutdown Protection - Small Footprint Package

Package: VQFN-32

Essence: The TPS40130RHBRG4 is a high-efficiency synchronous buck controller designed for power management applications. It offers a wide input voltage range and adjustable output voltage, making it suitable for various power supply designs.

Packaging/Quantity: The TPS40130RHBRG4 is available in a VQFN-32 package. The quantity per reel is typically 2500 units.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.6V to 90% of VIN
• Switching Frequency: 100kHz to 1MHz
• Operating Temperature Range: -40°C to +125°C
• Efficiency: Up to 95%
• Maximum Duty Cycle: 90%

Pin Configuration

The TPS40130RHBRG4 has the following pin configuration:

1. VIN: Input voltage
2. BOOT: Bootstrap capacitor connection
3. PH: Phase node connection
4. PGND: Power ground
5. COMP: Compensation node connection
6. FB: Feedback voltage input
7. SS/TR: Soft start/Tracking control
8. EN: Enable control
9. RT/CLK: Oscillator resistor or external clock input
10. AGND: Analog ground
11. PG: Power good output
12. SW: Switch node connection
13. SW: Switch node connection
14. SW: Switch node connection
15. SW: Switch node connection
16. SW: Switch node connection
17. SW: Switch node connection
18. SW: Switch node connection
19. SW: Switch node connection
20. SW: Switch node connection
21. SW: Switch node connection
22. SW: Switch node connection
23. SW: Switch node connection
24. SW: Switch node connection
25. SW: Switch node connection
26. SW: Switch node connection
27. SW: Switch node connection
28. SW: Switch node connection
29. SW: Switch node connection
30. SW: Switch node connection
31. SW: Switch node connection
32. SW: Switch node connection

Functional Features

• High-efficiency synchronous buck controller
• Wide input voltage range for versatile applications
• Adjustable output voltage to meet specific requirements
• Fixed frequency voltage mode control for stable operation
• Programmable soft start for controlled power-up sequence
• Overcurrent protection to prevent damage to the system
• Thermal shutdown protection to prevent overheating
• Small footprint package for space-constrained designs

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for flexibility in power supply design - Adjustable output voltage accommodates different load requirements - Fixed frequency voltage mode control ensures stable operation - Programmable soft start enables controlled power-up sequence - Overcurrent and thermal shutdown protection enhance system reliability - Small footprint package saves board space

Disadvantages: - Limited maximum duty cycle may restrict certain applications - Higher cost compared to non-synchronous buck controllers

Working Principles

The TPS40130RHBRG4 is a synchronous buck controller that regulates the output voltage by adjusting the duty cycle of the high-side and low-side MOSFETs. It operates in a fixed frequency voltage mode control, where the feedback voltage is compared to a reference voltage to generate an error signal. This error signal is then used to adjust the duty cycle and maintain the desired output voltage.

The controller features a programmable soft start function, which gradually increases the duty cycle during power-up to prevent excessive inrush current. It also incorporates overcurrent protection, which limits the current flowing through the MOSFETs to protect the system from damage. Additionally, thermal shutdown protection is implemented to prevent overheating of the IC.

Detailed Application Field Plans

The TPS40130RHBRG4 can be used in various power management applications, including but not limited to: - Point-of-load (POL) converters - Telecom and networking equipment - Industrial automation systems - Consumer electronics - LED lighting

Detailed and Complete Alternative Models

Some alternative models to the TPS40130RHBRG4 include: - TPS40170RHBT: Similar specifications with adjustable switching frequency - T