UCS3205-E/Q8A Microchip Integrated Circuit (Other) In Stock
UCS3205-E/Q8A is a load switch IC from Microchip in a compact 19-pin VQFN package, designed for controlled power sequencing and load management. It features matte-tin termination and ships worldwide.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 19
- Lifecycle
- OBSOLETE
- Datasheet
- UCS3205-E/Q8A Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.5200(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Integrated load switch function enables controlled power sequencing and fault protection without discrete FET circuitry
- Compact 19-pin VQFN package with matte-tin (Sn) finish reduces PCB footprint for portable and IoT power management
- Microchip UCS3205 family tailored for multi-rail power delivery and enable/disable control in embedded systems
Applications
UCS3205-E/Q8A is targeted at multi-rail power management in embedded systems, IoT modules, and portable consumer electronics where controlled turn-on sequencing of voltage rails is required. As a load switch, it replaces discrete MOSFET and gate-driver combinations, reducing BOM complexity and improving inrush current control on 1 A to several-ampere supply rails. Its 19-pin VQFN footprint fits dense power distribution boards alongside PMICs and battery management ICs.
Specifications
| Manufacturer Package Code | VQFN-19 |
| Factory Lead Time | 5Weeks |
| YTEOL | 0 |
| Analog IC - Other Type | LOAD SWITCH |
| Terminal Finish | Matte Tin (Sn) |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for UCS3205-E/Q8A:
Frequently Asked Questions
What function does UCS3205-E/Q8A perform in a multi-rail embedded power supply?
UCS3205-E/Q8A acts as a load switch, controlling the connection and disconnection of power rails to downstream loads with managed slew rates to limit inrush current. In a multi-rail system powering a processor core at 1.0 V and I/O at 3.3 V, using a load switch instead of a discrete MOSFET reduces the component count by at least 3 parts while adding built-in overcurrent and thermal protection.
How does the 19-pin VQFN package of UCS3205-E/Q8A compare in size to a standard SOIC-8 load switch?
The 19-pin VQFN package has an exposed thermal pad and a compact footprint of roughly 3 mm × 3 mm or 4 mm × 4 mm, compared to approximately 5 mm × 4 mm for a standard SOIC-8. With the higher pin count enabling multiple control signals in the same footprint, VQFN-19 allows more integrated sequencing logic while occupying less than 16 mm² of board space, which is advantageous in dense IoT modules.
In which power sequencing scenarios is UCS3205-E/Q8A from Microchip a preferred solution over discrete MOSFET switches?
UCS3205-E/Q8A is preferred when a design requires controlled ramp rates below 1 ms, integrated fault reporting, and enable logic in a single IC, eliminating the need for a separate gate driver, current sense resistor, and logic buffer that a discrete MOSFET solution would require. This is particularly valuable in handheld instruments and IoT gateways that must meet strict power-sequencing requirements to avoid latch-up on FPGAs or processors during power-up.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.5200 | $1.52 |
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