CYPD7191-40LDXSES

CYPD7191-40LDXSES Specifications

Manufacturer: Infineon (formerly Cypress Semiconductor)
Part Type: USB Type-C Power Delivery Controller
Protocol Support: USB Type-C, USB PD 3.0
MCU Core: 32-bit ARM Cortex-M0
Power Role: Dual Role – Source and Sink
Data Role: DFP, UFP, DRP (Dual Role Port)
Operating Voltage Range: 2.7 V to 5.5 V
Flash Memory: 128 KB
RAM: 8 KB
GPIOs Available: 18
Package Type: 40-Pin QFN (6 mm × 6 mm)
Mounting Type: Surface Mount
Operating Temperature Range: -40°C to +85°C
Integrated Protections: OVP, OCP, UVLO
System Timers: Watchdog and System Timer
RoHS Compliant: Yes

Key Features

The CYPD7191-40LDXSES is a highly integrated USB Power Delivery controller with full support for Type-C and USB PD 3.0. Built on a 32-bit ARM Cortex-M0 core, it enables both source and sink roles. Thus making it ideal for flexible USB-C systems. The device supports dual-role data operation and features 128 KB of programmable flash along with 8 KB RAM for application customization. Integrated protection features safeguard the system against voltage and current faults. Its compact 40-QFN package is perfect for modern, space-limited electronic designs.

Applications

USB-C chargers and adapters
Mobile docking stations
Battery-powered USB-C devices
Convertible tablets and laptops
PD-based power negotiation systems
Smart home hubs
Industrial controller USB ports
Automotive infotainment interfaces
Power banks with PD support
Wireless communication devices

Product Overview

Designed for next-generation USB-C power management, the CYPD7191-40LDXSES combines robust protection, high-speed data role switching, and advanced PD protocol handling in a compact and flexible format. With support for multiple USB-C roles and data paths, it is ideal for dynamic embedded environments. The integrated MCU enables complete programmability, while its onboard protections ensure stable operation under varying load conditions. Whether for power sourcing, sinking, or dynamic switching, this controller delivers reliable and scalable performance.

Contact Us

For additional information regarding our products, feel free to get in touch with us. You can call us at 770-870-1760 or email us at info@cyndtek.com. We look forward to assisting you and ensuring your satisfaction with all of our Cyndtek products.