CYPD4126-40LQXI

Product Overview

Category

CYPD4126-40LQXI belongs to the category of USB Type-C and Power Delivery (PD) controllers.

Use

This product is primarily used for managing power delivery and communication in USB Type-C applications.

Characteristics

• USB Type-C and PD compliant
• Integrated ARM Cortex-M0 core
• Supports USB PD 3.0 specification
• Flexible configuration options
• High level of integration
• Low power consumption

Package

CYPD4126-40LQXI comes in a compact 40-pin QFN package.

Essence

The essence of CYPD4126-40LQXI lies in its ability to provide efficient power delivery and enable versatile connectivity through the USB Type-C interface.

Packaging/Quantity

This product is typically packaged in reels, with a quantity of 250 units per reel.

Specifications

• Input Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C, UART, GPIO
• Maximum Output Current: 3A
• Supported USB PD Profiles: 5V, 9V, 15V, 20V

Detailed Pin Configuration

1. VBUS
2. CC1
3. CC2
4. SBU1
5. SBU2
6. GND
7. VCONN
8. VSYS
9. VDD
10. VDDIO
11. VREF
12. ALERT#
13. SDA
14. SCL
15. GPIO1
16. GPIO2
17. GPIO3
18. GPIO4
19. GPIO5
20. GPIO6
21. GPIO7
22. GPIO8
23. GPIO9
24. GPIO10
25. GPIO11
26. GPIO12
27. GPIO13
28. GPIO14
29. GPIO15
30. GPIO16
31. GPIO17
32. GPIO18
33. GPIO19
34. GPIO20
35. GPIO21
36. GPIO22
37. GPIO23
38. GPIO24
39. GPIO25
40. GND

Functional Features

• USB PD negotiation and power contract management
• Configuration flexibility for various applications
• Integrated protection features (overvoltage, overcurrent, etc.)
• Support for Alternate Mode functionality
• Firmware upgradeability

Advantages and Disadvantages

Advantages

• Compliance with USB Type-C and PD standards ensures compatibility with a wide range of devices.
• High level of integration simplifies system design and reduces component count.
• Flexible configuration options allow customization for specific application requirements.
• Integrated protection features enhance system reliability and safety.

Disadvantages

• Limited availability of alternative models from other manufacturers.
• Steep learning curve for configuring and programming the device.

Working Principles

CYPD4126-40LQXI operates by monitoring the CC lines to detect plug insertion and determine the connected device's capabilities. It negotiates power contracts with the connected device using the USB PD protocol. The integrated ARM Cortex-M0 core handles the communication and power delivery processes, ensuring efficient and reliable operation.

Detailed Application Field Plans

CYPD4126-40LQXI finds applications in various fields, including: 1. Consumer electronics: Enables fast charging and data transfer in smartphones, tablets, and laptops. 2. Automotive: Facilitates USB Type-C connectivity for infotainment systems and charging ports in vehicles. 3. Industrial automation: Provides power delivery and communication capabilities in industrial control systems. 4. IoT devices: Supports USB Type-C connectivity in smart home devices, wearables, and other IoT applications.

Detailed and Complete Alternative Models

While CYPD4126-40LQXI is a highly capable USB Type-C and PD controller, alternative models from other manufacturers include: 1. TUSB320: Texas Instruments USB Type-C and PD controller. 2. STUSB4500: STMicroelectronics USB Type-C and PD controller. 3. FUSB302: Fairchild Semiconductor USB Type-C and PD controller.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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