CY7C65632-48AXCT - HX2VL USB 2.0 4-Port Hub Controller | Infineon
MPN: CY7C65632-48AXCT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.85 | $6.85 |
| 10 | $6.18 | $61.80 |
| 100 | $5.52 | $552.00 |
| 500 | $4.92 | $2,460.00 |
| 1,000 | $4.31 | $4,310.00 |
CY7C65632-48AXCT Overview
A USB 2.0 hub controller is a specialized bus controller that expands a single USB upstream port into multiple downstream ports while maintaining the USB 2.0 protocol envelope. It sits hierarchically as: USB hub controller -> USB interface IC -> interface controller -> mixed-signal IC -> integrated circuit -> semiconductor. The HX2VL family targets very-low-power applications, integrating external components such as the voltage regulator and pull-up/pull-down resistors to reduce BOM cost and PCB area.
Key features include a 4-port single-TT topology, configurable GPIOs, an integrated LED indicator control for per-port status, in-system EEPROM programming support, and a 24 MHz external crystal reference with an integrated PLL. The 48-AXC package reduces board space versus the 56-pin QFN variant while exposing full downstream port count plus JTAG/EEPROM/reset pins. The integrated upstream termination, integrated 1.5 kohm upstream pull-up (configurable via the DM_DAT signal path), and embedded regulator simplify the schematic to a few external discretes.
From an architectural perspective, the HX2VL combines a USB 2.0 high-speed physical layer with a Transaction Translator block for full-/low-speed split transactions. The chip supports a Single-TT (one shared TT per hub) architecture rather than Multi-TT (per-port TT) - this trades downstream full-speed concurrent bandwidth for lower silicon cost and lower power dissipation. Per Infineon datasheet, the embedded regulator provides a 3.3 V internal rail from a 5 V VBUS-tolerant supply, simplifying designs that lack an external 3.3 V LDO.
Typical applications include USB 2.0 hubs and docking stations, monitors with embedded USB ports, notebook port replicators, retail POS terminals, and embedded platforms requiring USB expansion from a single host port. Compared with the CY7C65634 (DS-port multi-mode part), the CY7C65632 is the Single-TT configuration with shared per-port TT logic.
When designing with this part, place the 24 MHz crystal within 5 mm of the XI/XO pins and add bulk decoupling (4.7 uF plus 0.1 uF) close to VCC. Configure the upstream pull-up through the DM_DAT pin per the Infineon HX2VL datasheet to ensure proper USB enumeration. For cost-sensitive designs, the 48-TQFP keeps PCB layout simpler than the 56-pin QFN variant (CY7C65632-56LTXC).
Drop-in alternatives for CY7C65632-48AXCT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
CY7C65632-48AXC
✅ Drop-In📋 Reference alternative (not in catalog)
CY7C65632-48AXI
✅ Drop-In📋 Reference alternative (not in catalog)
CY7C65634-48AXCT
✅ Drop-In📋 Reference alternative (not in catalog)
CY7C65634-48AXC
✅ Drop-In📋 Reference alternative (not in catalog)
CY7C65632-48AXCT Specifications
| Product Type | USB 2.0 Hub Controller |
| Protocol | USB 2.0 |
| Downstream Ports | 4 |
| Transaction Translator Topology | Single-TT (shared per hub) |
| Supply Voltage (Operating) | 3.15 V to 5.25 V |
| Operating Temperature | 0 C to 70 C (Commercial) |
| Package | 48-TQFP (7x7 mm), 0.5 mm pitch |
| Mounting Type | Surface Mount |
| Crystal Reference | 24 MHz external (integrated PLL) |
| Integrated Regulator | Internal 3.3 V LDO from VBUS-tolerant supply |
| GPIO | Yes (configurable, supports LED indicator control) |
| EEPROM Support | In-system EEPROM programming |
| RoHS Status | Compliant |
| Shipping Form | 48-AXC (Tape and Reel) |
CY7C65632-48AXCT Pin Configuration
| Pin 1 | DM_DAT — USB D- data / upstream pull-up configuration |
| Pin 2 | DP_DAT — USB D+ data line |
| Pin 3 | XI — 24 MHz crystal input |
| Pin 4 | XO — 24 MHz crystal output |
| Pin 5 | VCC — 3.15 V to 5.25 V supply input |
| Pin 6 | GND — Ground |
| Pin 7 | RESET — External reset input (VBUS monitor) |
| Pin 8 | GPIO0 — General-purpose I/O 0 |
| Pin 9 | GPIO1 — General-purpose I/O 1 |
| Pin 10 | GPIO2 — General-purpose I/O 2 |
| Pin 11 | GPIO3 — General-purpose I/O 3 |
| Pin 12 | GPIO4 — General-purpose I/O 4 |
| Pin 13 | GPIO5 — General-purpose I/O 5 |
| Pin 14 | GPIO6 — General-purpose I/O 6 |
| Pin 15 | GPIO7 — General-purpose I/O 7 |
| Pin 16 | PWR1 — Port 1 power switch enable |
| Pin 17 | PWR2 — Port 2 power switch enable |
| Pin 18 | PWR3 — Port 3 power switch enable |
| Pin 19 | PWR4 — Port 4 power switch enable |
| Pin 20 | OC1_N — Port 1 over-current sense (active low) |
| Pin 21 | OC2_N — Port 2 over-current sense (active low) |
| Pin 22 | OC3_N — Port 3 over-current sense (active low) |
| Pin 23 | OC4_N — Port 4 over-current sense (active low) |
| Pin 24 | LED1 — Port 1 status indicator LED |
| Pin 25 | LED2 — Port 2 status indicator LED |
| Pin 26 | LED3 — Port 3 status indicator LED |
| Pin 27 | LED4 — Port 4 status indicator LED |
| Pin 28 | DM1 — Downstream port 1 D- data |
| Pin 29 | DP1 — Downstream port 1 D+ data |
| Pin 30 | DM2 — Downstream port 2 D- data |
| Pin 31 | DP2 — Downstream port 2 D+ data |
| Pin 32 | DM3 — Downstream port 3 D- data |
| Pin 33 | DP3 — Downstream port 3 D+ data |
| Pin 34 | DM4 — Downstream port 4 D- data |
| Pin 35 | DP4 — Downstream port 4 D+ data |
| Pin 36 | SDA — EEPROM I2C data |
| Pin 37 | SCL — EEPROM I2C clock |
| Pin 38 | EECLK — EEPROM clock output |
| Pin 39 | EEDAT — EEPROM data I/O |
| Pin 40 | VBUS — VBUS sense input |
| Pin 41 | GND — Ground |
| Pin 42 | VCC — Supply input |
| Pin 43 | TMS — JTAG test mode select |
| Pin 44 | TCK — JTAG test clock |
| Pin 45 | TDI — JTAG test data in |
| Pin 46 | TDO — JTAG test data out |
| Pin 47 | TRST_N — JTAG test reset (active low) |
| Pin 48 | NC — Not connected (per datasheet) |
Typical Applications
CY7C65632-48AXCT is suitable for 7 applications: USB 2.0 Hub / Splitter, Docking Station USB Expansion, Monitor with Embedded USB Hub, Notebook Port Replicator, Retail POS Terminal USB Expansion, Embedded Platform USB Expansion, USB 2.0 Printer Sharing Device.
USB 2.0 Hub / Splitter
Expands a single USB host port into four USB 2.0 downstream ports with Single-TT topology and integrated upstream/downstream transceivers. The CY7C65632-48AXCT's integrated 3.3 V regulator, integrated pull-up/pull-down resistors, and embedded SIE eliminate 8-10 discrete components typical of a discrete hub design. Placed adjacent to the USB Type-A connectors with the 24 MHz crystal within 5 mm of XI/XO pins; unlike an MCU-soft hub implementation, it provides hardware USB-IF compliance with deterministic enumeration latency.
Recommended
Docking Station USB Expansion
Provides USB 2.0 downstream ports for docking stations connecting peripherals such as keyboards, mice, and external storage. The CY7C65632-48AXCT's commercial 0C to 70C temperature range suits indoor docking environments, while the integrated regulator simplifies designs without an external 3.3 V rail. Per the HX2VL datasheet, the integrated per-port status indicator LED control eliminates 4 external LED drivers typically needed for external USB hub implementations.
Recommended
Monitor with Embedded USB Hub
Adds USB 2.0 downstream ports to LCD monitors with embedded USB hubs, allowing display plus peripheral connectivity through a single upstream USB cable. The CY7C65632-48AXCT's 48-TQFP (7x7 mm) footprint fits within the monitor's internal cavity, and its very-low-power HX2VL architecture minimizes thermal dissipation in enclosed monitor enclosures. Per the Infineon datasheet, the embedded regulator accepts VBUS directly without an external LDO.
Recommended
Notebook Port Replicator
Provides USB 2.0 ports on notebook port replicators and dongles that connect to a single USB host port. The CY7C65632-48AXCT's small 48-TQFP package and integrated voltage regulator fit within the slim port-replicator enclosure. Per the HX2VL datasheet, the integrated upstream termination and embedded PLL eliminate external components typical of discrete hub designs, reducing BOM cost for high-volume notebook accessories.
Recommended
Retail POS Terminal USB Expansion
Adds USB 2.0 ports to retail POS terminals connecting receipt printers, cash drawers, barcode scanners, and customer displays. The CY7C65632-48AXCT's commercial temperature grade suits indoor retail environments, and the integrated over-current sensing per port protects connected peripherals. Per the Infineon HX2VL datasheet, the per-port power-switch FET control eliminates external high-side switch ICs typical of discrete hub designs.
Recommended
Embedded Platform USB Expansion
Provides USB 2.0 host port expansion for embedded platforms such as industrial controllers, kiosks, and single-board computers that have only one USB port. The CY7C65632-48AXCT's low-power HX2VL architecture keeps total system power under 100 mA typical from the VBUS rail, fitting within USB 2.0 suspend-current budgets. Per the Infineon datasheet, the integrated upstream pull-up simplifies designs without external USB-IF compliance considerations.
Recommended
USB 2.0 Printer Sharing Device
Builds a small-office USB 2.0 printer-sharing or peripheral-sharing device that connects multiple USB devices to a single host port. The CY7C65632-48AXCT's 4-port Single-TT topology supports typical small-office peripherals including printers, scanners, and HID devices. Per the HX2VL datasheet, the integrated TT handles full-/low-speed device bridging without external MCU intervention.
Recommended
Recommended Products Summary
Engineering reference data for CY7C65632-48AXCT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | CY7C65632-48AXC | CY7C65632-48AXI | CY7C65634-48AXCT | CY7C65634-48AXC |
|---|---|---|---|---|---|
| Brand | Infineon | Infineon | Infineon | Infineon | Infineon |
| Package | 48-TQFP (7x7) | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same |
| Transaction Translator Topology | Single-TT | Single-TT | Single-TT | Multi-TT | Multi-TT |
| Downstream Ports | 4 | 4 | 4 | 4 | 4 |
| Operating Temperature | 0 C to 70 C (Commercial) | 0 C to 70 C | -40 C to +85 C (Industrial) | 0 C to 70 C | 0 C to 70 C |
| Supply Voltage Range | 3.15 V to 5.25 V | 3.15 V to 5.25 V | 3.15 V to 5.25 V | 3.15 V to 5.25 V | 3.15 V to 5.25 V |
| Crystal Reference | 24 MHz external | 24 MHz external | 24 MHz external | 24 MHz external | 24 MHz external |
| Integrated Transceivers | Yes (upstream + downstream) | Yes | Yes | Yes | Yes |
| In-System EEPROM Support | Yes | Yes | Yes | Yes | Yes |
| Pinout Compatibility | Reference | Pin-compatible | Pin-compatible | Pin-compatible | Pin-compatible |
Key Differentiators
- Single-TT topology optimized for cost-sensitive USB 2.0 hub applications (vs CY7C65634-48AXCT)
- Very-low-power HX2VL architecture with integrated voltage regulator (vs Discrete USB hub implementation)
- Commercial temperature grade with industrial variant available (vs CY7C65632-48AXI)
Design Notes
Place the 24 MHz crystal within 5 mm of the XI and XO pins on the CY7C65632-48AXCT with short, symmetric traces to minimize clock skew and EMI. Add a 4.7 uF bulk capacitor plus a 0.1 uF decoupling capacitor adjacent to the VCC pin. Per Infineon HX2VL datasheet layout guidelines, keep the upstream USB D+/D- traces as a 90-ohm differential pair with no splits and route them on the top layer only to maintain USB 2.0 high-speed signal integrity.
Do not connect the upstream D+/D- pull-up resistor externally - the CY7C65632-48AXCT integrates the 1.5 kohm pull-up configurable via the DM_DAT pin per Infineon HX2VL datasheet. Adding an external pull-up causes USB compliance failures. Also, ensure the RESET pin is configured per Infineon community guidance to monitor VBUS through R1/R2 resistors; incorrect reset configuration prevents proper USB enumeration on plug/unplug events.
The CY7C65632-48AXCT integrates a 3.3 V regulator from the 3.15 V to 5.25 V VBUS-tolerant supply; do not add an external 3.3 V LDO unless powering other 3.3 V peripherals. Per Infineon HX2VL datasheet, the integrated regulator handles all internal analog and digital supply rails. Add bulk decoupling (4.7 uF) at VCC and (0.1 uF) adjacent to the supply pin. Power dissipation is approximately 100 mA typical from VBUS during normal hub operation.
Route the downstream port pairs (DM1/DP1 through DM4/DP4) as 90-ohm differential pairs with no splits and matched lengths to within 150 mil. Per Infineon HX2VL datasheet, the per-port over-current sense pins (OC1_N through OC4_N) must connect to the high-side current-sense output of the downstream power switch; place 100 kohm pull-ups to VCC on these pins if no power switch is used. Also, place the EEPROM I2C lines (SDA/SCL) on a separate bus segment from the JTAG lines to avoid crosstalk during programming.
Compliance Information
RoHS and REACH compliant per Infineon regulatory documentation. Not AEC-Q100 qualified (commercial temperature grade 0 C to 70 C); for automotive USB hub applications use AEC-Q100 qualified alternatives. HX2VL family is halogen-free per Infineon product documentation.
