MCP19119T-E/MQ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-performance synchronous buck controller
• Package: MQFN-20
• Essence: Efficient power conversion and management
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 32V
• Output Voltage Range: 0.8V to 24V
• Maximum Output Current: 10A
• Switching Frequency: 100kHz to 1MHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP19119T-E/MQ features a 20-pin MQFN package with the following pin configuration:

1. VDD - Power supply input
2. VIN - Input voltage
3. PGND - Power ground
4. BOOT - Bootstrap capacitor connection
5. SW - Switch node connection
6. FB - Feedback voltage input
7. COMP - Compensation network connection
8. CS - Current sense input
9. SS - Soft-start control
10. EN - Enable control
11. RT - Oscillator timing resistor
12. CT - Oscillator timing capacitor
13. AGND - Analog ground
14. VREF - Reference voltage output
15. VOUT - Output voltage
16. PG - Power good indicator
17. OCSET - Overcurrent protection threshold setting
18. SS/TRACK - Soft-start or tracking mode selection
19. SYNC - Synchronization input/output
20. CLKOUT - Clock output

Functional Features

• High-efficiency synchronous buck controller
• Wide input voltage range for versatile applications
• Adjustable output voltage and current limit
• Programmable switching frequency
• Integrated overcurrent protection
• Soft-start and tracking modes for controlled startup
• Synchronization capability for multi-phase operation
• Power good indicator for system monitoring

Advantages and Disadvantages

Advantages: - High-performance power management solution - Wide input voltage range allows flexibility in design - Programmable features provide customization options - Integrated protection mechanisms enhance system reliability - Compact MQFN package saves board space

Disadvantages: - Limited maximum output current compared to some alternatives - Requires external components for complete power supply implementation - Higher cost compared to non-programmable buck controllers

Working Principles

The MCP19119T-E/MQ is a high-performance synchronous buck controller that regulates the output voltage by adjusting the duty cycle of the internal power MOSFET. It utilizes a feedback loop to compare the actual output voltage with the desired value and adjusts the duty cycle accordingly. The controller operates in continuous conduction mode (CCM) or discontinuous conduction mode (DCM) based on the load conditions, ensuring efficient power conversion.

Detailed Application Field Plans

The MCP19119T-E/MQ is suitable for various power management applications, including but not limited to: - Industrial automation systems - Telecommunications equipment - Automotive electronics - LED lighting - Battery charging systems - Distributed power supplies

Detailed and Complete Alternative Models

1. MCP19118T-E/MQ: Similar to MCP19119T-E/MQ but with lower maximum output current (8A)
2. MCP19117T-E/MQ: Similar to MCP19119T-E/MQ but with lower maximum output current (6A)
3. MCP19116T-E/MQ: Similar to MCP19119T-E/MQ but with lower maximum output current (4A)
4. MCP19115T-E/MQ: Similar to MCP19119T-E/MQ but with lower maximum output current (2A)

These alternative models offer similar functionality with varying output current capabilities, allowing designers to choose the most suitable option for their specific requirements.

In conclusion, the MCP19119T-E/MQ is a high-performance synchronous buck controller that provides efficient power conversion and management. With its wide input voltage range, adjustable parameters, and integrated protection features, it offers flexibility and reliability in various applications. Designers can also consider alternative models within the MCP1911x series to meet specific current requirements.