onsemi FUSB303TMX Controllers Interface
USB Controller I2C Interface 12-X2QFN (1.6x1.6)
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
FUSB303TMX
Detailed Description
IC USB CONTROLLER I2C 12X2QFN
Package
12-XFQFN
Key Features
Package / Case: 12-XFQFN
Lifecycle Status
Active, Not Rec
RoHS State
RoHS Compliant
Datasheet
FUSB303TMX Datasheet
Quick Jump:
Technical Specifications
onsemi FUSB303TMX Controllers Interface technical specifications.
General
Interface
I²C
Protocol
USB
RoHS
Yes
Package / Case
12-XFQFN
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.85V ~ 5.5V
Lifecycle Status
Active, Not Rec
Function
Controller
Compliance
PbAHP
Case Outline
722AG
Alternate Parts Comparison (FUSB303TMX vs FUSB2805MLX vs FUSB3317F6AMNWTWG vs FUSB301ATM1X)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 12-XFQFN | 32-WFQFN Exposed Pad | 20-VFQFN Exposed Pad | 12-XFQFN |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.85V ~ 5.5V | 2.7V ~ 4.5V | 4.5V ~ 5.5V, 4.75V ~ 5.5V | 2.8V ~ 5.5V |
| Protocol | USB | USB 2.0 | USB | USB |
| Lifecycle Status | Active, Not Rec | Active | Obsolete | Obsolete |
| Interface | I²C | -- | USB | I²C, USB |
| RoHS | Yes | -- | Yes | Yes |
| Package | 12-XFQFN | -- | QFNW20 | 12-XFQFN |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
FUSB303BTMXonsemiDirectonsemi
Pin YesPkg YesElec Yes
Autonomous USB Type-C Port Controller with I 2 C and GPIO Control, 5000-REEL
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
