USB2503-HZH vs USB2503A-HZH Comparison
Detailed side-by-side comparison of USB2503-HZH by Microchip Technology and USB2503A-HZH by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | USB2503-HZH | USB2503A-HZH |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | NRND | Active |
| Device Type | USB Hub Controller | — |
| USB Specification | USB 2.0 Compliant | — |
| Number of Downstream Ports | 3 | — |
| Upstream Port Speed | High-Speed / Full-Speed / Low-Speed | — |
| Downstream Port Speed | High-Speed (480 Mb/s) / Full-Speed (12 Mb/s) / Low-Speed (1.5 Mb/s) | — |
| Transaction Translators | 3 (one per port, MultiTRAK) | 3, one per downstream port |
| Supply Voltage (Vcc) | 3.0 V to 3.6 V | — |
| Core LDO Output | 1.8 V (internal) | — |
| Operating Temperature | 0 °C to +70 °C | 0 °C to 70 °C |
| Package | 48-QFN-EP (7x7 mm, 0.5 mm pitch) | 48-QFN-EP, 7 x 7 mm |
| Mounting Type | Surface Mount | — |
| Configuration Interface | Pin straps / I2C EEPROM / SMBus | Serial EEPROM, microcontroller, or pin-selectable options |
| Power Mode | Bus-powered or self-powered | — |
| Overcurrent Detection | Per port (external power switch required) | — |
| RoHS Status | Compliant | Compliant |
| MSL Level | 3 | — |
| Lead-Free | Yes | — |
| Product Type | — | USB 2.0 three-port hub controller |
| USB Standard | — | USB 2.0 |
| Downstream Port Count | — | 3 ports |
| High-Speed Operation | — | 480 Mb/s |
| Full-Speed Operation | — | 12 Mb/s |
| Low-Speed Operation | — | 1.5 Mb/s |
| Operating Supply Voltage | — | 1.62 V to 3.6 V |
| Supply Current | — | 100 mA |
| Microcontroller Interface | — | SMBus slave device |
| Downstream Power Control | — | Per-port or ganged, selectable |
| Power Source Detection | — | Bus-powered and self-powered source detection |
| Firmware Requirement | — | No firmware development required |
| External Pull-Up Resistors | — | 10 kΩ recommended on SDA/SMBDATA and SCL/SMBCLK/CFG_SEL0 |
| Lifecycle Status | — | Active |
| Pinout | — | [DATA_NEEDED: complete 48-pin pin assignments and exposed-pad connection] |
| Absolute Maximum Ratings | — | [DATA_NEEDED: absolute maximum voltage, current, and temperature ratings] |
| Maximum USB Operating Current | — | [DATA_NEEDED: maximum downstream port and total bus current] |
| Termination and Decoupling Values | — | [DATA_NEEDED: USB series termination, crystal, capacitor, and layout values] |