UPD301B-I/KYX Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
UPD301B-I/KYX is a stand-alone USB Type-C Power Delivery source-only port controller from Microchip with 2-channel capability, supporting USB PD 3.0 negotiation in a compact QFN-40 package. From $3.00 in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 41
- Lifecycle
- OBSOLETE
- Datasheet
- UPD301B-I/KYX Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UPD301B-I/KYX?
- Standalone USB Type-C PD 3.0 source-only controller with 2 channels enables autonomous power negotiation without a host MCU
- 40-pin QFN package (6 mm × 6 mm, 0.5 mm pitch) minimizes board footprint in compact USB charger and power adapter designs
- Integrated adjustable threshold logic simplifies VBUS power path control for dynamic voltage profiles up to 20 V / 5 A
What is UPD301B-I/KYX used for?
UPD301B-I/KYX targets USB Type-C power delivery source applications such as wall adapters, docking stations, and laptop chargers where autonomous PD negotiation without an MCU reduces system complexity. The 2-channel architecture allows designers to implement dual-port chargers in a single IC. Its compact QFN-40 footprint and integrated VBUS control make it a natural choice for space-constrained portable power accessories complying with USB PD 3.0 standards.
What are the specifications of UPD301B-I/KYX?
| Date Of Intro | 2020-04-13 |
| YTEOL | 0 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | USB PD CONTROLLER |
| JESD-30 Code | S-PQCC-N40 |
| JESD-609 Code | e3 |
| Number of Channels | 2 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC40,.24SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Supply Current-Max (Isup) | 23.84mA |
| Supply Voltage-Max (Vsup) | 3.63V |
| Supply Voltage-Min (Vsup) | 2.97V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| 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 | +1.58V |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Where can I find the UPD301B-I/KYX datasheet?
UPD301B-I/KYX Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for UPD301B-I/KYX?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many USB Type-C ports can UPD301B-I/KYX manage without an external MCU?
UPD301B-I/KYX manages 2 independent USB Type-C source channels autonomously, executing USB PD 3.0 contract negotiation entirely in hardware. This eliminates the need for a dedicated microcontroller in simple charger designs, reducing BOM cost and firmware maintenance while still supporting dynamic voltage delivery profiles up to 20 V.
What board space does the UPD301B-I/KYX QFN-40 package require in a dual-port charger layout?
The QFN-40 package has a 6 mm × 6 mm body with 0.5 mm lead pitch, occupying roughly 36 mm² of PCB real estate. For a dual-port USB PD source design, a single UPD301B-I/KYX replaces two separate single-port controller ICs, saving significant board area and simplifying routing of VBUS and CC-line signals.
When would a designer choose UPD301B-I/KYX over a solution requiring a full MCU for USB PD source control?
UPD301B-I/KYX is the better choice for cost-sensitive, fixed power-profile USB PD source products such as 65 W wall chargers where firmware updates are not required. Its hardware-managed PD 3.0 state machine handles CC line communication and power-role negotiation internally, reducing design cycle time and eliminating the cost of a separate 8-bit or 32-bit MCU plus firmware development for a 2-port source application.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit