UCS1002-2-BP Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
UCS1002-2-BP is a programmable USB port power controller IC by Microchip in a 20-pin QFN package. Key specs: adjustable current limit, USB BC1.2 charging profile support, single-channel power distribution. From $1.20 in stock worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- UCS1002-2-BP Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.7300(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Programmable USB port power controller with adjustable current limit configurable via I2C for Apple, Samsung, and USB BC1.2 charging profiles
- Single-channel power distribution with integrated load switch and fault protection in a compact 20-pin QFN package measuring 4 mm x 4 mm
- I2C interface with register-based configuration allowing real-time current limit adjustment and port status monitoring by a host microcontroller
Applications
UCS1002-2-BP suits USB hub controllers and notebook docking stations that require intelligent per-port current management with software configurability via I2C. Its programmable current limit allows the system firmware to allocate port power dynamically, for example reducing the limit from 2.4 A to 500 mA when the host power budget drops below 10 W. Industrial HMI panels and kiosk charging stations also leverage the fault-detection and status reporting registers to log over-current events without interrupting service on other ports.
Specifications
| Manufacturer Package Code | QFN-20 |
| Factory Lead Time | 16Weeks |
| YTEOL | 14 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | USB PD CONTROLLER |
| JESD-30 Code | S-XQCC-N20 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC20,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.75mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Threshold Voltage-Nom | +2.5V |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Taiwan, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does UCS1002-2-BP allow a microcontroller to monitor and adjust USB port current limits at runtime?
UCS1002-2-BP provides an I2C interface with readable current and voltage monitoring registers and writable configuration registers for the current limit threshold. A host MCU can poll port current at 100 ms intervals and reduce the limit from 2.4 A to 1 A within one I2C write transaction, enabling dynamic power budgeting across multiple ports without cycling the USB connection.
What USB charging profiles does UCS1002-2-BP advertise to connected mobile devices?
UCS1002-2-BP supports USB BC1.2 DCP, Apple 2.4 A, Samsung AFC, and Divider Mode profiles by driving the D+ and D- lines to the appropriate voltage levels for each standard. A tablet detecting Apple 2.4 A mode negotiates up to 12 W charging at 5 V, while a BC1.2-compliant device negotiates up to 5 W, all managed automatically without host MCU involvement per profile.
What package does UCS1002-2-BP use and how does it help in a compact USB hub PCB layout?
UCS1002-2-BP uses a 20-pin QFN package with exposed thermal pad, measuring 4 mm x 4 mm with a 0.5 mm pitch. The exposed pad dissipates heat from the internal load switch without an external heatsink, and the small footprint allows placement within 5 mm of the USB connector, minimizing the trace length of the 5 V power path and reducing resistive voltage drop at 2.4 A load to under 50 mV.
When is UCS1002-2-BP preferred over a simple self-powered USB port with only a polyfuse for over-current protection?
A polyfuse-only approach has a fixed trip current with slow response (typically 1 s to 10 s) and no status visibility. UCS1002-2-BP provides an adjustable current limit with sub-millisecond electronic fault response, I2C fault flag readback, and automatic charging profile advertisement that increases connected device charging speed from 500 mA (USB default) to up to 2.4 A. For designs shipping in regulated environments that must meet USB charging safety standards, the active controller is necessary.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
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