ISL6556BCB

The ISL6556BCB is a dual-output, multiphase PWM controller designed for high-performance voltage regulation in computing and server applications. It offers advanced features such as dynamic VID, precise voltage regulation, and fault protection mechanisms.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VCC: Positive power supply input
• FB1: Feedback pin for output 1
• FB2: Feedback pin for output 2
• SENSE+: Positive current sense input
• SENSE-: Negative current sense input
• VID: Voltage identification pin
• COMP: Compensation pin for loop stability
• PGOOD: Power good output
• SS/TRK: Soft start/Tracking control
• MODE: Operating mode selection pin
• OCSET: Overcurrent threshold setting
• EN: Enable pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the ISL6556BCB PWM controller to visualize its functionality.

Key Features

• Dual-Output Multiphase Controller: Provides precise control over two independent output voltages.
• Dynamic VID: Supports dynamic voltage identification for optimized performance.
• Fault Protection: Incorporates advanced protection mechanisms to safeguard the system from faults.
• High Efficiency: Enables high-efficiency power management for improved energy utilization.
• Flexible Operation Modes: Offers various operating modes to suit different system requirements.

Note: For detailed technical specifications, please refer to the ISL6556BCB datasheet.

Application

• Computing Systems: Ideal for voltage regulation in computing systems and servers.
• Server Power Supplies: Suitable for use in multiphase power supplies for servers and data centers.
• High-Performance Applications: Used in applications requiring precise voltage control and efficiency.

Functionality

The ISL6556BCB PWM controller offers dual-output multiphase voltage regulation with advanced features to ensure stable and efficient power delivery in demanding applications.

Usage Guide

• Power Supply: Connect VCC (Pin 1) to the positive power supply voltage.
• Feedback: Connect FB1 (Pin 2) and FB2 (Pin 3) to the feedback nodes of the respective outputs.
• Protection: Set the overcurrent protection threshold using the OCSET pin (Pin 11) for safe operation.

Frequently Asked Questions

Q: What is the maximum current handling capacity of the ISL6556BCB?
A: The ISL6556BCB is capable of handling high current loads, with individual output current limits for each phase.

Q: Can the ISL6556BCB operate in low-voltage conditions?
A: Yes, the ISL6556BCB is designed to operate efficiently even under low-voltage conditions, providing stable power regulation.