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Infineon Technologies CY7C65216D-32LTXI
- Part No.:
- CY7C65216D-32LTXI
- Manufacturer:
- Infineon Technologies
- Category:
- Controllers
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
CY7C65216D-32LTXI.pdf
- Description:
- USB FULL-SPEED PERIPHERALS
- Quantity:
- Payment:
- Shipping:
Inventory:4,895
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Product details
Overview
CY7C65216D-32LTXI from Infineon Technologies (formerly Cypress) is a USB 2.0 Full-Speed dual-channel I²C bridge controller with integrated 48-MHz oscillator, 12 GPIOs, and Battery Charging Detection (BCD) v1.2 compliance. It operates from 1.71–5.5 V across –40 °C to +85 °C, supports master/slave I²C up to 400 kHz per channel, and enables USB-to-I²C bridging in medical devices, POS terminals, and industrial test equipment.
For engineers reviewing the CY7C65216D-32LTXI datasheet, CY7C65216D-32LTXI pinout, CY7C65216D-32LTXI application, or CY7C65216D-32LTXI equivalent, key selection criteria include dual I²C channel configurability, vendor-class USB protocol support, BCD peripheral detection capability, integrated termination resistors, and QFN-32 package compatibility with industrial temperature operation.
Technical Context
The CY7C65216D implements two independent Serial Communication Blocks (SCB0 and SCB1), each configurable as an I²C master or slave with dedicated 8-byte RX/TX FIFOs and full multi-master arbitration support. It uses a USB Serial Interface Engine (SIE) compliant with USB 2.0 Full-Speed (12 Mbps) and supports CDC and vendor-class enumeration.
Its internal architecture includes a 48-MHz oscillator for USB timing, a 32-kHz oscillator for suspend/resume control, and a voltage regulator enabling bus- or self-powered operation. BCD v1.2 peripheral detection is implemented in hardware without host software dependency, and GPIOs are individually configurable for input/output/pull-up functions via firmware or configuration utility.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| USB Speed | Full-Speed (12 Mbps); enables direct connection to standard USB hosts without external PHY or hub logic. |
| I²C Channels | Dual independent channels; allows simultaneous bridging of two separate I²C buses (e.g., sensor cluster + display interface). |
| I²C Data Rate | Up to 400 kHz per channel; supports Fast-mode I²C peripherals including EEPROMs, ADCs, and PMICs. |
| GPIO Count | 12 programmable pins; usable for status signaling, reset control, or interrupt generation without external logic. |
| Operating Voltage | 1.71–5.5 V; accommodates single-supply designs interfacing with 1.8 V, 3.3 V, or 5 V I²C subsystems. |
| Temperature Range | –40 °C to +85 °C (industrial grade); qualified for deployment in factory automation and outdoor kiosk environments. |
| ESD Rating | 2.2 kV HBM; provides robustness against handling and system-level ESD events in production and field use. |
Pinout & Package
Package: 32-pin QFN (5 mm × 5 mm × 1 mm, 0.5 mm pitch), RoHS-compliant, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDD | Digital power supply | Supplies core logic and USB transceiver; must be decoupled locally for noise immunity. |
| VCCD | I/O power supply | Configures GPIO and I²C voltage level; independent of VDDD to support mixed-voltage interfacing. |
| USBDP / USBDM | USB differential data pair | Integrated 1.5 kΩ pull-up on USBDP enables Full-Speed enumeration without external components. |
| SCL0 / SDA0 | Channel 0 I²C clock/data | Open-drain outputs with internal weak pull-ups; compatible with standard I²C bus topology. |
| SCL1 / SDA1 | Channel 1 I²C clock/data | Electrically isolated from Channel 0; supports concurrent I²C transactions on separate buses. |
| nXRES | Active-low reset input | Asynchronous reset pin; asserts internal logic reset when pulled low, independent of USB state. |
| VBUS | USB bus voltage sense | Monitors host-provided 5 V; enables automatic switch between bus- and self-powered modes. |
| GND | Ground reference | Common return for analog/digital/USB domains; requires low-impedance connection to thermal pad. |
Key Features
| Feature | Design Value |
|---|---|
| Dual I²C Master/Slave Configuration | Each channel independently configurable as master or slave via firmware or configuration utility-enables flexible topology adaptation without hardware change. |
| Battery Charging Detection (BCD) | Hardware-based BC-1.2 peripheral detection only; eliminates need for host-side BCD polling and reduces enumeration latency. |
| Integrated 48-MHz Oscillator | Eliminates external crystal and load capacitors; reduces BOM count and PCB area while maintaining USB timing accuracy. |
| Vendor-Class USB Enumeration | Default USB device class; allows custom host application development using Cypress USB library instead of relying on OS COM port drivers. |
| 256-Byte TX/RX Buffer per Channel | Per-channel buffer depth prevents I²C transaction loss during USB host latency spikes or high-priority interrupts. |
Applications
| Medical Point-of-Care Monitor | Industrial PLC I/O Module |
|---|---|
Use Scenario: Connecting multiple I²C sensors (temperature, SpO₂, ECG front-end) to a USB-connected clinical tablet. IC Role / Device Role / Timing Role: Dual-channel I²C bridge aggregating sensor data streams and presenting them as vendor-class USB endpoints. Use Value: Eliminates need for embedded microcontroller firmware; enables rapid integration using Cypress USB library and Windows/Linux host apps. | Use Scenario: Adding USB-based configuration and diagnostics to legacy 24-V PLC I/O modules with I²C EEPROMs and ADCs. IC Role / Device Role / Timing Role: Isolates USB host commands from industrial I²C bus; handles protocol translation and timing synchronization. Use Value: Supports hot-plug USB reconfiguration without resetting PLC logic; 12 GPIOs enable status LED and fault signaling. |
| Retail POS Terminal | Test & Measurement Fixture |
Use Scenario: Bridging USB host to I²C-based barcode scanner, magnetic stripe reader, and secure element in compact retail terminal. IC Role / Device Role / Timing Role: Dual I²C interface manages concurrent communication with security IC (master) and sensor peripherals (slave). Use Value: Enables single USB cable for power, data, and diagnostics; BCD detection ensures reliable charging of attached peripherals. | Use Scenario: Automating calibration of I²C-configurable precision DACs, multiplexers, and reference buffers in benchtop test systems. IC Role / Device Role / Timing Role: USB-controlled I²C sequencer executing scripted register writes and read-back verification. Use Value: 400 kHz I²C speed and 256-byte buffers reduce test cycle time; vendor-class mode avoids COM port driver conflicts in automated test software. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar USB-to-I²C bridge applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY7C65215A-32LTXI | 17 GPIOs, supports RS485 and UART/SPI/I²C; larger flash (32 KB); same QFN-32 package. | Required when RS485 or UART bridging is needed alongside I²C; higher GPIO count supports complex board-level control. | Select if future expansion beyond dual I²C is anticipated or if mixed-protocol bridging (e.g., I²C + UART) is required. |
| FTDI FT201Q | Single-channel I²C bridge; no BCD; 5 GPIOs; QFN-24; requires external 12-MHz crystal. | Limited to one I²C bus; lacks industrial temp rating (0–70 °C only); no integrated oscillator or BCD hardware. | Choose only for cost-sensitive, single-bus applications where BCD and extended temperature are not required. |
Compared with CY7C65216D-32LTXI, CY7C65215A offers greater protocol flexibility and GPIO headroom at higher cost and complexity, while FT201Q trades dual-channel capability and industrial qualification for lower unit price and smaller footprint in simpler systems.
Availability
CY7C65216D-32LTXI is available at Aetrix Electronics and suitable for medical point-of-care monitors, industrial PLC I/O modules, and test & measurement fixtures requiring stable component supply, long-term lifecycle support, and industrial-grade temperature performance.
Supply support for CY7C65216D-32LTXI includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, sensing, connectivity, and security solutions for automotive, industrial, and IoT markets.
CY7C65216D belongs to the USB-Serial Bridge Controller family, designed specifically to simplify USB connectivity for legacy I²C-based peripherals without firmware development-targeting rapid integration in medical, industrial, and instrumentation applications.
FAQ
Does CY7C65216D-32LTXI require external crystal or oscillator?
No. The device integrates a 48-MHz oscillator for USB timing and a 32-kHz oscillator for suspend/resume control. No external crystal, resonator, or clock source is needed-reducing BOM count and layout complexity while maintaining USB Full-Speed compliance.
Can both I²C channels operate simultaneously as masters?
Yes. SCB0 and SCB1 are fully independent; each can be configured as master or slave via firmware or Cypress configuration utility. Simultaneous master operation is supported, enabling concurrent access to two separate I²C buses without arbitration conflict.
What USB device class does CY7C65216D-32LTXI use by default?
It defaults to USB Vendor Class, exposing itself as a generic USB device accessible via Cypress USB library APIs. CDC (Virtual COM Port) mode is not enabled by default but can be configured using the provided Windows utility if serial port emulation is required.
Is CY7C65216D-32LTXI compatible with Linux kernel versions prior to 2.6.35?
No. Official Linux driver support begins at kernel version 2.6.35. Earlier kernels lack the required USB serial infrastructure and Cypress-specific endpoint handling. For legacy systems, users must backport the cypress_m8 driver or implement userspace HID-based communication.
CY7C65216D-32LTXI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 32-VFQFN Exposed Pad
- Programmable:
- Not Verified
- Protocol:
- USB
- Function:
- Bridge
- Interface:
- GPIO, I2C
- Standards:
- USB 2.0
- Voltage - Supply:
- 1.71V ~ 1.89V, 3.15V ~ 3.45V, 4.35V ~ 5.25V, 2V ~ 5.5V
- Current - Supply:
- 18mA
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Supplier Device Package:
- 32-QFN (5x5)
- Grade:
- -
- Qualification:
- -
CY7C65216D-32LTXI FAQ
1.How can I place an order for CY7C65216D-32LTXI through Aetrix?
Please submit a Request for Quotation (RFQ) for CY7C65216D-32LTXI on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CY7C65216D-32LTXI reliable?
The price and inventory of CY7C65216D-32LTXI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY7C65216D-32LTXI is usually 5 days.
3.What payment methods are accepted for CY7C65216D-32LTXI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY7C65216D-32LTXI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY7C65216D-32LTXI?
CY7C65216D-32LTXI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY7C65216D-32LTXI order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CY7C65216D-32LTXI?
For technical support, including CY7C65216D-32LTXI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY7C65216D-32LTXI requirements.
6.How does Aetrix verify that CY7C65216D-32LTXI is sourced from the original manufacturer or authorized distributors?
All CY7C65216D-32LTXI products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY7C65216D-32LTXI meets industry standards.
7.What is the process for return or replacement of CY7C65216D-32LTXI?
All CY7C65216D-32LTXI units undergo pre-shipment inspection (PSI). If there is an issue with CY7C65216D-32LTXI, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CY7C65216D-32LTXI part is unused and in its original packaging.
Return procedure for CY7C65216D-32LTXI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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