USB2533-1080AEN - 3-Port USB 2.0 Hub Controller | Microchip
MPN: USB2533-1080AEN ✓ ActiveUSB2533-1080AEN Overview
A USB hub controller is a USB interface integrated circuit that manages traffic between one upstream host connection and multiple downstream devices or ports. Unlike a simple power-distribution hub, the USB2533 uses an MTT architecture to maintain separate transaction handling for each downstream port. USB2533 is positioned within the USB interface IC hierarchy as a USB 2.0 hub controller, USB interface controller, and system peripheral for embedded USB connectivity.
Key device attributes include three downstream ports, USB 2.0 High-Speed operation, a 36-SQFN surface-mount package, and a low-power CMOS implementation. The USB2533 family is OEM-configurable, allowing the integrator to tailor hub behavior to the target product. It also supports I2C and SMBUS connectivity according to the manufacturer product information, providing a path for configuration, monitoring, or control by an embedded system.
The MTT architecture is the principal functional differentiator within the USB2533 family. It allows multiple USB devices connected through different downstream ports to exchange data concurrently rather than being restricted to one shared host transaction stream. This makes the controller appropriate for equipment with several peripheral interfaces, such as a control console with keyboard, mouse, storage, and service interfaces connected simultaneously.
Typical deployments include industrial control panels, medical carts, test and measurement systems, set-top equipment, and embedded OEM products that require more than one downstream USB port. Its 480 Mb/s data rate matches USB 2.0 High-Speed peripherals, while the compact 6 mm by 6 mm square package supports space-constrained embedded assemblies.
The principal design consideration is power budgeting. Each enabled downstream port must be evaluated for its current requirement, while the controller also consumes operating current from the system supply. Validate the hub-current budget against the load that will actually be connected, because a nominal USB port allowance does not guarantee adequate capability for every combination of downstream devices.
This page combines the manufacturer device description with a practical application analysis, engineering design notes, and a parameter-by-parameter comparison against related USB hub controllers. It highlights where the USB2533-1080AEN fits in an embedded USB 2.0 design and where a controller with a different port count should be selected instead.
Drop-in alternatives for USB2533-1080AEN — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with USB2533-1080AEN (same form factor and footprint) — differing in Package, USB Standard, Configuration Interface, Device Type, Maximum USB Data Rate.
USB2512BI-AEZG
✅ Drop-InContact for price
View Datasheet →USB2514B-AEZC-TR
✅ Drop-InContact for price
View Datasheet →USB2512B-AEZG-TR
✅ Drop-InContact for price
View Datasheet →USB2514B/M2
✅ Drop-InContact for price
View Datasheet →USB2512BI-AEZG
✅ Drop-InContact for price
View Datasheet →USB2533-1080AEN Specifications
| Device Type | USB 2.0 hub controller |
| USB Specification | USB 2.0 High-Speed |
| Maximum Data Rate | 480 Mb/s |
| Downstream Port Count | 3 ports |
| Architecture | MTT Multi-Transaction Translator |
| Configuration | OEM-configurable |
| Process Technology | CMOS |
| Minimum Supply Voltage | 1.8 V |
| Package | 36-terminal SQFN, 6 mm x 6 mm |
| Terminal Pitch | 0.50 mm |
| Mounting Type | Surface mount |
| I2C Interface | Supported |
| SMBUS Interface | Supported |
| Power Class | Low-power device |
USB2533-1080AEN 36-terminal sqfn, 6 mm x 6 mm Pin Configuration Guide
Pin configuration for USB2533-1080AEN (36-terminal sqfn, 6 mm x 6 mm package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for USB2533-1080AEN.
Refer to the datasheet for full pin configuration.
Typical Applications
USB2533-1080AEN is suitable for 6 applications: Industrial Control Panel USB Hub, Medical Cart and Diagnostic Console, Test and Measurement Front Panel, USB Storage and Media Hub, Set-Top and Media-Box USB Expansion, Embedded Data-Acquisition Gateway.
Industrial Control Panel USB Hub
The USB2533-1080AEN suits an industrial control panel that must combine a keyboard, mouse, and USB storage medium behind one host connection. Its three downstream ports remove the need for multiple external hub adapters, while MTT transaction handling allows the peripherals to exchange data concurrently. Operating from a documented 1.8 V minimum supply makes the controller appropriate for compact embedded control assemblies. The 36-SQFN package measures 6 mm by 6 mm with 0.50 mm terminal pitch, allowing placement near the panel connector area. Design the supply for the controller and all enabled downstream loads, and keep USB data routing short and away from switching-power nodes.
Recommended
Medical Cart and Diagnostic Console
The USB2533-1080AEN can consolidate several service connections on a medical cart or diagnostic console while preserving one upstream link to the host computer. Three downstream USB 2.0 ports suit a keyboard, pointing device, and removable data medium, and the 480 Mb/s High-Speed rate supports typical USB 2.0 service traffic. The MTT architecture is valuable when several peripherals need simultaneous transaction handling. The controller itself is not a medical-safety certification, so final medical suitability depends on the completed system. Confirm operating-temperature requirements, isolation strategy, and applicable regulatory documentation before deployment.
Recommended
Test and Measurement Front Panel
The USB2533-1080AEN fits a test instrument that exposes several USB service ports on its front panel. A controller, keyboard, and storage device can connect through three downstream ports without requiring the instrument's host processor to manage separate root-port controllers. Its OEM-configurable nature supports product-specific hub behavior, and the 480 Mb/s data rate matches most peripheral-programming and data-transfer workflows. The compact 6 mm by 6 mm footprint leaves board area for precision analog and measurement circuitry. Place USB routing away from sensitive inputs and use dedicated filtering and power-distribution techniques defined by the completed instrument's EMC requirements.
Recommended
USB Storage and Media Hub
The USB2533-1080AEN is appropriate for an OEM storage accessory that needs to expose multiple USB media devices through one host connection. Its three downstream ports can serve flash drives, card readers, or external storage, while the MTT architecture manages independent downstream transactions more effectively than a basic shared-bus hub. USB 2.0 High-Speed operation provides up to 480 Mb/s per active link, subject to host and device bandwidth sharing. The low-power CMOS implementation is useful in compact accessories where every internal watt matters. Validate the total downstream current draw and use the manufacturer's USB power-distribution and decoupling recommendations.
Recommended
Set-Top and Media-Box USB Expansion
The USB2533-1080AEN allows a set-top or media-box design to add three USB 2.0 downstream connections for storage, a keyboard, or an accessory controller. The three-port configuration matches the common enclosure needs of compact consumer electronics without carrying a fourth port that would add unused routing and power-distribution complexity. Its OEM-configurable architecture allows the OEM to adapt hub behavior to the product's boot and peripheral requirements. The 36-SQFN package supports dense board layouts in space-constrained enclosures. Keep connector-side routing short, provide solid chassis and board grounding, and verify all attached-device combinations against the available downstream power budget.
Recommended
Embedded Data-Acquisition Gateway
The USB2533-1080AEN is useful in an embedded data-acquisition gateway that connects USB instruments, storage, and a service interface to one host computer. Three downstream ports allow multiple USB 2.0 sensors or service devices to operate concurrently under the MTT transaction-handling architecture. The 480 Mb/s maximum data rate is suitable for many configuration, logging, and control workloads, although aggregate throughput is shared through the upstream USB 2.0 link. The controller's 1.8 V minimum supply requirement supports low-voltage embedded platforms. Validate operating temperature, ESD protection, grounding, and isolation according to the measurement environment rather than treating the hub IC as a complete protection solution.
Recommended
Recommended Products Summary
Engineering reference data for USB2533-1080AEN — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | USB2512BI-AEZG | USB2514B-AEZC-TR | USB2512B-AEZG-TR | USB2514B/M2 | USB2512BI |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 36-SQFN, 6 mm x 6 mm | 36-SQFN | 36-SQFN | 36-SQFN | 36-SQFN | 36-SQFN |
| Downstream Port Count | 3 ports | 3 ports | 4 ports | 2 ports | 4 ports | 3 ports |
| USB Standard | USB 2.0 | USB 2.0 | USB 2.0 | USB 2.0 | USB 2.0 | USB 2.0 |
| Maximum Data Rate | 480 Mb/s | 480 Mb/s | 480 Mb/s | 480 Mb/s | 480 Mb/s | 480 Mb/s |
Key Differentiators
- Three downstream ports provide a balanced embedded hub configuration (vs USB2512B-AEZG-TR)
- MTT architecture supports downstream transaction handling (vs USB2512BI)
- High-Speed operation covers standard USB 2.0 peripheral workloads (vs USB2514B-AEZC-TR)
- Compact surface-mount footprint supports embedded OEM products (vs USB2514B/M2)
Design Notes
Budget the supply for the controller and all three downstream ports as one system-level design. The documented minimum controller supply is 1.8 V, but downstream port power requirements and the complete operating range must be verified in the manufacturer datasheet. Provide local decoupling at the controller supply pins, keep high-current downstream paths away from sensitive USB data routing, and confirm that the protection scheme does not interfere with USB signal rise time.
Route D+ and D+ pairs as controlled-impedance, closely coupled traces with continuous return paths beneath the pair. Keep the USB data traces short, avoid stubs, and separate them from switching-regulator inductors and high-current power edges. Follow the differential pair geometry and placement guidance in the USB2533 reference documentation, and use the package pin descriptions to establish the correct host and downstream connections.
Place the 36-SQFN controller close to the USB connector and its passive support components to minimize trace length and loop area. The package uses a 0.50 mm terminal pitch, so assembly capability and solder-paste design must be checked before layout release. Provide thermal-via access beneath any exposed pad as specified by the manufacturer package drawing, and keep analog, isolation, or ESD components away from protected USB data lines.
Do not treat every 36-SQFN USB hub controller as an interchangeable part. The USB2533-1080AEN has three downstream ports, while USB2512B and USB2514B families provide two or four ports. Before substituting a controller, verify terminal assignment, upstream and downstream port mapping, configuration method, supply limits, firmware expectations, and package dimensions. A matched package name alone does not guarantee identical USB behavior.
Compliance Information
The manufacturer product page identifies USB2533 as a USB 2.0 hub controller, but no explicit RoHS, REACH, lead-free, halogen-free, or conflict-minerals declaration was located for this ordering code.
