TPS75003RHLRG4

Overview

Category: Integrated Circuits (ICs)

Use: Power Management IC

Characteristics: - High Efficiency - Low Quiescent Current - Wide Input Voltage Range - Adjustable Output Voltage - Overcurrent Protection - Thermal Shutdown Protection

Package: 20-VQFN Exposed Pad

Essence: The TPS75003RHLRG4 is a power management integrated circuit designed to provide efficient and reliable power supply solutions for various electronic devices.

Packaging/Quantity: The TPS75003RHLRG4 is available in a 20-VQFN exposed pad package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.7V to 6.5V
• Output Voltage Range: 0.8V to 5.5V
• Output Current: Up to 3A
• Quiescent Current: 40µA (typical)
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The TPS75003RHLRG4 has a 20-pin VQFN package with the following pin configuration:

1. VIN: Input voltage
2. EN: Enable pin
3. PG: Power good indicator
4. FB: Feedback voltage input
5. SS/TR: Soft-start/tracking control
6. AGND: Analog ground
7. SW: Switch node connection
8. SW: Switch node connection
9. SW: Switch node connection
10. SW: Switch node connection
11. SW: Switch node connection
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. PGND: Power ground
20. VOUT: Output voltage

Functional Features

• Integrated synchronous buck converter
• Adjustable output voltage through external resistors
• Soft-start and tracking control for smooth power-up
• Overcurrent protection to prevent damage to the IC and load
• Thermal shutdown protection to prevent overheating
• Power good indicator for monitoring the output voltage stability

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows compatibility with various power sources - Adjustable output voltage provides flexibility for different applications - Overcurrent and thermal shutdown protection enhance system reliability - Power good indicator enables easy monitoring of output voltage stability

Disadvantages: - Limited output current capacity (up to 3A) - Requires external resistors for output voltage adjustment

Working Principles

The TPS75003RHLRG4 is a synchronous buck converter that converts the input voltage to a regulated output voltage. It uses pulse-width modulation (PWM) to control the switching of the internal power MOSFETs, achieving high efficiency power conversion. The output voltage can be adjusted by connecting external resistors to the feedback pin (FB). The soft-start and tracking control features ensure a smooth power-up sequence, while the overcurrent and thermal shutdown protection mechanisms safeguard the IC and the load from potential damage.

Detailed Application Field Plans

The TPS75003RHLRG4 is widely used in various electronic devices that require efficient power management. Some application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players
2. Networking Equipment: Routers, switches, modems
3. Industrial Automation: PLCs (Programmable Logic Controllers), motor drives, sensors
4. Consumer Electronics: TVs, set-top boxes, gaming consoles
5. Automotive Electronics: Infotainment systems, navigation devices, ADAS (Advanced Driver Assistance Systems)

Detailed and Complete Alternative Models

1. TPS75002RHLRG4
2. TPS75001RHLRG4
3. TPS75000RHLRG4
4. TPS75004RHLRG4
5. TPS75005RHLRG4

These alternative models offer similar functionality and characteristics to the TPS75003RHLRG4, providing options for different power management requirements.

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