ML4824CS1

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High-performance power supply controller
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Regulates and controls power supply in various applications
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 4.5V to 30V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 2A
• Operating Temperature Range: -40°C to +85°C
• Control Method: Voltage Mode PWM (Pulse Width Modulation)
• Frequency Range: 100kHz to 500kHz
• Protection Features: Overvoltage, Undervoltage, Overcurrent, Overtemperature

Detailed Pin Configuration

The ML4824CS1 has a total of 16 pins. Here is the detailed pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. COMP: Compensation pin for feedback control loop
4. FB: Feedback voltage input
5. CS: Current sense input
6. SS/TR: Soft-start and tracking control
7. RT/CT: Timing components connection
8. SYNC: Synchronization input
9. EN: Enable control input
10. PGND: Power ground reference
11. DRVH: High-side gate driver output
12. DRVL: Low-side gate driver output
13. BOOT: Bootstrap capacitor connection
14. HO: High-side MOSFET output
15. LO: Low-side MOSFET output
16. VREF: Reference voltage output

Functional Features

• Voltage mode PWM control for precise regulation
• Adaptive gate drive for efficient switching
• Adjustable soft-start for controlled startup
• Synchronization capability for multi-phase operation
• Comprehensive protection features for reliable operation

Advantages and Disadvantages

Advantages

• High-performance power supply control
• Wide input and output voltage range
• Robust protection features ensure system reliability
• Flexible synchronization capability for complex applications

Disadvantages

• Limited maximum output current (2A)
• Requires external timing components for operation

Working Principles

The ML4824CS1 is a voltage mode PWM controller designed for power management applications. It regulates the power supply by comparing the feedback voltage with a reference voltage and adjusting the duty cycle of the PWM signal accordingly. This control method ensures precise regulation of the output voltage.

The integrated adaptive gate drive circuitry optimizes the switching characteristics of the high-side and low-side MOSFETs, resulting in efficient power conversion. The soft-start feature gradually ramps up the output voltage during startup, preventing excessive inrush current.

The ML4824CS1 also offers synchronization capability, allowing multiple controllers to operate in a coordinated manner for multi-phase power supplies. Various protection features, such as overvoltage, undervoltage, overcurrent, and overtemperature protection, safeguard the system from potential faults or failures.

Detailed Application Field Plans

The ML4824CS1 finds application in various power management systems, including:

1. DC-DC converters
2. AC-DC power supplies
3. LED lighting drivers
4. Battery chargers
5. Industrial automation equipment
6. Telecom infrastructure

Its wide input voltage range, adjustable output voltage, and comprehensive protection features make it suitable for diverse applications requiring stable and efficient power supply control.

Alternative Models

Here are some alternative models that offer similar functionality:

1. ML4824CS2
2. ML4824CS3
3. ML4824CS4
4. ML4824CS5

These models are part of the same series and provide comparable features and performance to the ML4824CS1.

In conclusion, the ML4824CS1 is a high-performance power supply controller integrated circuit. It offers precise regulation, efficient switching, and comprehensive protection features. With its wide application range and alternative models, it serves as a reliable solution for various power management systems.