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Infineon Technologies CY7C652148-24LTXI
- Part No.:
- CY7C652148-24LTXI
- Manufacturer:
- Infineon Technologies
- Category:
- Controllers
- Package:
- 24-UFQFN Exposed Pad
- Datasheet:
-
CY7C652148-24LTXI.pdf
- Description:
- USB Full-Speed Peripherals
- Quantity:
- Payment:
- Shipping:
Inventory:2,298
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Product details
Overview
CY7C652148-24LTXI from Infineon Technologies (formerly Cypress) is a USB 2.0 Full-Speed (12 Mbps) to SPI single-channel bridge controller with integrated 48-MHz oscillator, 6 GPIOs, and 512-byte configuration flash. It supports SPI master/slave modes (4–16-bit data width), 256-byte TX/RX FIFOs, and USB vendor-class enumeration for host-side API access. Used in medical devices, POS terminals, and industrial test equipment requiring reliable USB-to-legacy-SPI interfacing.
For engineers reviewing the CY7C652148-24LTXI datasheet, CY7C652148-24LTXI pinout, CY7C652148-24LTXI application, or CY7C652148-24LTXI equivalent, key selection criteria include USB vendor-class compatibility, configurable SPI timing (up to 3 MHz master), bus/self-power flexibility, industrial temperature range (–40 °C to +85 °C), and QFN-24 package footprint.
Technical Context
The device implements a dedicated USB Serial Interface Engine (SIE) compliant with USB 2.0 Full-Speed and Battery Charging Specification v1.2 (peripheral detect only). It uses an internal 48-MHz oscillator for USB timing and supports vendor-class USB enumeration-requiring host-side Cypress Application Library rather than standard CDC drivers.
SPI interface is fully configurable via on-chip flash: data width (4–16 bits), clock polarity/phase (Motorola/TI/National modes), master/slave role, and buffer depth (256 bytes each direction). GPIOs are software-configurable for control, status, or wake-up functions, with no firmware development required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| USB Speed | Full-Speed at 12 Mbps - enables direct connection to legacy USB 2.0 hosts without external PHY or hub logic. |
| SPI Data Rate | Up to 3 MHz (master), 1 MHz (slave) - supports real-time sensor or memory interface timing in embedded systems. |
| SPI Data Width | 4 to 16 bits - accommodates diverse peripheral register maps (e.g., 8-bit ADCs, 16-bit DACs, 4-bit display controllers). |
| FIFO Depth | 256 bytes TX + 256 bytes RX - reduces host polling frequency and improves throughput in burst-mode SPI transfers. |
| Operating Voltage | 1.71 V to 5.5 V - allows direct integration with 1.8 V, 3.3 V, or 5 V logic domains without level-shifting circuitry. |
| Temperature Range | –40 °C to +85 °C (industrial grade) - qualified for deployment in uncontrolled environments like factory-floor instrumentation. |
| ESD Protection | 2.2-kV HBM - meets IEC 61000-4-2 Level 2 for robustness in handheld or field-deployed equipment. |
Pinout & Package
Package: 24-pin QFN (4.0 mm × 4.0 mm, 0.5 mm pitch, 0.55 mm height), RoHS-compliant, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDD | Digital supply voltage | Core logic and USB transceiver power (1.71–5.5 V); decoupling required near pin. |
| VCCD | I/O supply voltage | Configurable I/O voltage domain; sets SPI/GPIO logic levels independent of VDDD. |
| USBDP / USBDM | USB differential data pair | Integrated 1.5-kΩ pull-up on USBDP for Full-Speed device enumeration; no external resistors needed. |
| SCLK / MOSI / MISO / SS# | SPI interface signals | Configurable as master or slave; supports Motorola, TI, and National SPI timing modes. |
| GPIO[0:5] | General-purpose I/O | Software-configurable as inputs, outputs, or open-drain; support interrupt/wake-up capability. |
| nXRES | Active-low reset input | Asynchronous hardware reset; asserts internal state machine and clears FIFOs and registers. |
| VBUS | USB bus voltage sense | Monitors USB host power presence; enables automatic bus-powered mode detection and suspend/resume. |
Key Features
| Feature | Design Value |
|---|---|
| USB Vendor-Class Enumeration | Enables custom host applications using Cypress Application Library instead of generic CDC drivers-ideal for proprietary protocol stacks. |
| On-Chip Configuration Flash | 512-byte nonvolatile memory stores VID/PID, SPI mode, GPIO mapping, and charger detection settings-eliminates external EEPROM. |
| Integrated 48-MHz Oscillator | Removes need for external crystal or clock source, reducing BOM count and PCB area while meeting USB timing jitter requirements. |
| Battery Charger Detection (BCD) | Supports USB Battery Charging Spec v1.2 peripheral detection-enables charging-aware behavior in portable medical or POS devices. |
| Flexible Power Modes | Supports bus-powered, self-powered, and bus-powered-with-variable-I/O-voltage configurations-simplifies design across multiple power architectures. |
Applications
| Medical Point-of-Care Monitor | Industrial Test Fixture |
|---|---|
Use Scenario: Connecting a microcontroller-based ECG front-end to a Windows PC via USB for real-time waveform capture and analysis. IC Role / Device Role / Timing Role: USB-SPI bridge enabling high-integrity sensor data transfer without modifying MCU firmware or adding USB stack code. Use Value: Eliminates need for USB firmware development; 256-byte FIFOs prevent data loss during host latency spikes; industrial temp rating ensures reliability in clinical environments. | Use Scenario: Interfacing automated test equipment (ATE) with SPI-based calibration DACs and EEPROMs during production line functional testing. IC Role / Device Role / Timing Role: Configurable SPI master providing deterministic timing (≤3 MHz) and precise bit-width alignment for mixed-protocol peripherals. Use Value: Reduces test system complexity by replacing FPGA-based SPI controllers; vendor-class USB allows custom Python test scripts to directly manage SPI transactions. |
| POS Terminal Peripheral Adapter | Gaming Peripheral Interface Module |
Use Scenario: Adding USB connectivity to legacy SPI-based barcode scanners or magnetic stripe readers in retail kiosks. IC Role / Device Role / Timing Role: USB vendor device presenting as a HID-adjacent endpoint, translating host commands into SPI register writes and reads. Use Value: Enables plug-and-play integration with existing Windows/Linux POS software via Cypress DLL; 6 GPIOs support status LEDs and button inputs. | Use Scenario: Bridging USB host (console or PC) to SPI-based RGB LED controllers and tactile feedback actuators in gaming controllers. IC Role / Device Role / Timing Role: Low-latency SPI master driving real-time lighting and haptics with synchronized frame updates. Use Value: Achieves sub-10 ms round-trip latency using vendor-class USB and 3 MHz SPI; integrated oscillator ensures stable timing without external clock routing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar USB-to-SPI bridge applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY7C65211A-24LTXI | 10 GPIOs, supports USB-UART/I2C/SPI, 2/4/6 UART pins, same SPI specs (4–16-bit, 3 MHz master) | Broader protocol flexibility but larger footprint; requires more complex configuration for SPI-only use | Select when future expansion to UART or I2C is anticipated; otherwise over-specified for pure SPI bridging |
| FT232H | USB 2.0 High-Speed (480 Mbps), supports MPSSE for SPI/JTAG, no integrated oscillator, requires external crystal | Higher bandwidth and multi-protocol debug capability, but demands host-side MPSSE driver and external clock | Select for JTAG/SWD debugging or high-throughput streaming; avoid if simple vendor-class SPI bridging suffices |
Compared with CY7C652148-24LTXI, CY7C65211A offers greater I/O and protocol flexibility at higher cost and complexity, while FT232H delivers higher speed and debug features but increases BOM and driver dependency-making CY7C652148 optimal for cost-sensitive, SPI-dedicated industrial interfaces.
Availability
CY7C652148-24LTXI is available at Aetrix Electronics and suitable for medical point-of-care monitors, industrial test fixtures, and POS terminal adapters requiring stable component supply, long-term lifecycle assurance, and industrial-grade temperature performance.
Supply support for CY7C652148-24LTXI 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, delivering power management, sensing, connectivity, and security solutions for automotive, industrial, and IoT markets.
CY7C652148 belongs to Infineon's USB-Serial Bridge Controller product line, designed specifically to simplify USB connectivity for legacy SPI peripherals without firmware development or external clocking components.
FAQ
Does CY7C652148-24LTXI require external firmware programming?
No. The device operates from factory-default configuration stored in on-chip 512-byte flash. All parameters-including USB VID/PID, SPI mode, GPIO mapping, and charger detection-are set via Cypress's Windows-based configuration utility (CYUSB3). No firmware coding, compilation, or bootloader flashing is needed for deployment.
Can CY7C652148-24LTXI operate in self-powered mode with VDDD = 3.3 V and VCCD = 1.8 V?
Yes. VDDD powers the core and USB transceiver (3.3 V), while VCCD independently supplies the SPI and GPIO I/O banks (1.8 V). This dual-rail capability allows direct interfacing with low-voltage peripherals without external level shifters, and is explicitly supported in both bus- and self-powered configurations per datasheet Section 19–21.
What USB driver support does CY7C652148-24LTXI provide on Linux?
It supports Linux kernel versions 2.6.35 and later via the open-source cypress_cy7c6521x driver module. Host applications access the device through vendor-class USB endpoints using libusb or Cypress's Linux SDK. No CDC ACM or serial-tty emulation is used-communication occurs directly over bulk IN/OUT endpoints with custom command structures.
Is the 24-pin QFN package of CY7C652148-24LTXI compatible with reflow soldering per IPC-J-STD-020?
Yes. The device is qualified for standard lead-free reflow profiles per IPC-J-STD-020D, with peak temperature ≤260 °C and time above liquidus (TAL) of 60–150 seconds. The 0.5 mm pitch and 4.0 mm × 4.0 mm body meet standard QFN assembly guidelines; recommended stencil aperture is 0.35 mm × 0.35 mm with 50% area ratio.
CY7C652148-24LTXI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 24-UFQFN Exposed Pad
- Programmable:
- Not Verified
- Protocol:
- USB
- Function:
- Bridge
- Interface:
- GPIO, SPI
- Standards:
- USB 2.0
- Voltage - Supply:
- 1.71V ~ 1.89V, 2V ~ 3.45V, 3.15V ~ 5.25V, 4.35V ~ 5.5V
- Current - Supply:
- 20mA
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Supplier Device Package:
- 24-QFN (4x4)
- Grade:
- -
- Qualification:
- -
CY7C652148-24LTXI FAQ
1.How can I place an order for CY7C652148-24LTXI through Aetrix?
Please submit a Request for Quotation (RFQ) for CY7C652148-24LTXI 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 CY7C652148-24LTXI reliable?
The price and inventory of CY7C652148-24LTXI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY7C652148-24LTXI is usually 5 days.
3.What payment methods are accepted for CY7C652148-24LTXI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY7C652148-24LTXI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY7C652148-24LTXI?
CY7C652148-24LTXI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY7C652148-24LTXI 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 CY7C652148-24LTXI?
For technical support, including CY7C652148-24LTXI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY7C652148-24LTXI requirements.
6.How does Aetrix verify that CY7C652148-24LTXI is sourced from the original manufacturer or authorized distributors?
All CY7C652148-24LTXI 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 CY7C652148-24LTXI meets industry standards.
7.What is the process for return or replacement of CY7C652148-24LTXI?
All CY7C652148-24LTXI units undergo pre-shipment inspection (PSI). If there is an issue with CY7C652148-24LTXI, 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 CY7C652148-24LTXI part is unused and in its original packaging.
Return procedure for CY7C652148-24LTXI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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