CM1402-03CP

The CM1402-03CP is a dual USB power switch and over-current protection IC designed for use in USB port and charger applications. It provides independent high-side power switches with accurate current limiting and thermal shutdown protection. The IC is capable of providing a robust and reliable solution for managing power distribution in USB-powered devices.

Pinout

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

• IN1: Input for Channel 1
• OUT1: Output for Channel 1
• EN1: Enable Pin for Channel 1
• FAULT1: Fault Indicator for Channel 1
• IN2: Input for Channel 2
• OUT2: Output for Channel 2
• EN2: Enable Pin for Channel 2
• FAULT2: Fault Indicator for Channel 2
• GND: Ground Connection
• OUT: Common Output
• EN: Common Enable Pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the CM1402-03CP for a visual representation.

Key Features

• Dual USB Power Switch: Provides independent power switches for managing dual USB ports.
• Over-Current Protection: Integrated current limiting and thermal shutdown protection ensure safe operation in case of overloads.
• Accurate Current Limiting: Ensures precise current regulation for USB devices.
• Fault Indication: Includes fault indicators for each channel, allowing for easy fault detection and troubleshooting.
• Wide Input Voltage Range: Supports a wide range of input voltages, making it suitable for various USB applications.

Note: For detailed technical specifications, please refer to the CM1402-03CP datasheet.

Application

• USB Port Power Management: Ideal for managing power distribution in USB ports of electronic devices.
• Charger Circuitry: Suitable for use in charger circuits to control the power supply to connected devices.
• Portable Devices: Used in portable electronics requiring USB power management and over-current protection.

Functionality

The CM1402-03CP is a dual USB power switch and over-current protection IC designed to provide reliable and accurate power management for USB-connected devices. It ensures safe and efficient power distribution while protecting against over-current conditions.

Usage Guide

• Connection: Connect the input and output pins of each channel as per the application requirements.
• Enable Control: Use the enable pins (EN1, EN2) to control the power switches for each channel.
• Fault Monitoring: Monitor the fault indicators (FAULT1, FAULT2) to detect and address any fault conditions.

Frequently Asked Questions

Q: What is the maximum input voltage supported by the CM1402-03CP?
A: The CM1402-03CP can support a wide input voltage range, typically from 2.7V to 5.5V, making it compatible with various USB applications.

Q: Does the CM1402-03CP provide thermal shutdown protection?
A: Yes, the IC includes thermal shutdown protection to safeguard against overheating and ensure safe operation.