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CY7C65219-40LQXI The Infineon Technologies CY7C65219-40LQXI is a USB 2.0 Dock Management Controller. It features a 48-MHz Arm Cortex-M0 CPU, 128KB Flash, and 8KB SRAM.
Mfr Part #:

CY7C65219-40LQXI

Available from 1 distributors
Mfr Name: Infineon Technologies
Infineon Technologies
The Infineon Technologies CY7C65219-40LQXI is a USB 2.0 Dock Management Controller. It features a 48-MHz Arm Cortex-M0 CPU, 128KB Flash, and 8KB SRAM.
✓ Total Stock: 4,000 pcs

CY7C65219-40LQXI Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Risen Electronics ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
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CY7C65219-40LQXI Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
ESD Protection
Function
GPIO
Industrial Grade
Interface
Medical Grade
Military Grade
Operating Temperature
Operating Voltage
Protocol
Standards
Supplier Device Package
Voltage
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CY7C65219-40LQXI Description

Short technical summary and product information.

The CY7C65219-40LQXI from Infineon Technologies is a USB Billboard controller designed for managing USB dock and monitor solutions. It provides USB full-speed capability and supports the USB Billboard device class v1.21.

 

This controller utilizes Cypress' proprietary M0S8 technology, featuring a 32-bit, 48-MHz Arm Cortex-M0 processor. It is equipped with 128 KB of Flash memory and 8 KB of SRAM, along with 20 GPIOs. The device includes a full-speed USB device controller and a Crypto engine for authentication. It also offers system-level ESD protection.

 

The CY7C65219-40LQXI supports signed and unsigned firmware downloads over USB to programmable dock components, such as USB PD Controllers and Hub controllers. It operates within an industrial temperature range of -40°C to +85°C and is available in a 40-QFN package.

 

Key electrical specifications include a wide operating voltage range from 2.7 V to 5.5 V, with an independent supply voltage pin for GPIOs allowing 1.71 V to 5.5 V signaling. The device supports multiple interface protocols including I²C, SPI, and UART.

CY7C65219-40LQXI Quick Information

Product Type: Dock Management Controller
Canonical Name: CY7C65219-40LQXI Dock Management Controller
Subcategory: Dock Management Controller

CY7C65219-40LQXI Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

CY7C65219-40LQXI Features

  • USB 2.0 FS Silicon, TID#1534 certified.
  • Supports USB Billboard device class v1.21.
  • Features 128KB Flash and 8KB SRAM.
  • Operates from 2.7V to 5.5V.
  • Available in a 40-QFN package.

CY7C65219-40LQXI Applications

  • Designed for USB dock solutions.
  • Suitable for monitor management.
  • Enables firmware updates.
  • Provides system-level ESD protection.

CY7C65219-40LQXI FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the CY7C65219-40LQXI?

The operating voltage is 2.7 V to 5.5 V, with independent supply voltage for GPIOs allowing 1.71 V to 5.5 V signaling.

What is the operating temperature range?

The operating temperature range is -40°C to +85°C.

What package type is the CY7C65219-40LQXI available in?

It is available in a 40-QFN (6x6) package, also specified as 40-UFQFN Exposed Pad.

What USB standard does this controller support?

It supports USB 2.0 Full-Speed and the USB Billboard device class v1.21.

What are the memory specifications?

The controller has 128KB of Flash memory and 8KB of SRAM.

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