Microchip USB3343-CP, USB Transceiver, USB 2.0-OTG, 1.8 → 3.3 V, 24-Pin QFN

  • RS Stock No. 893-8253
  • Mfr. Part No. USB3343-CP
  • Manufacturer Microchip
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

USB334x Series USB 2.0 Transceivers

The USB334x family of devices from Microchip are Hi-Speed USB2.0 ULPI Transceivers that support USB-IF Battery Charging 1.2 (BC 1.2) specification.


USB-IF Battery Charging 1.2 Specification Compliant
Link Power Management (LPM) Specification Compliant
Integrated ESD protection circuits – Up to ±25kV IEC Air Discharge without external devices
Over-Voltage Protection circuit (OVP) - protects the VBUS pin from continuous DC voltages up to 30V
Integrated USB Switch - USB3341, USB3346, and USB3347 models only
Microchip’s RapidCharge Anywhere™:
- 3-times the charging current through a USB port over traditional solutions
- USB-IF Battery Charging 1.2 compliance to any portable device
- Charging current up to 1.5Amps via compatible USB host or dedicated charger
- Dedicated Charging Port (DCP), Charging (CDP) & Standard (SDP) Downstream Port support
flexPWR® Technology - Extremely low current design ideal for battery powered applications
Single Power Supply Operation - Integrated 1.8V and 3.3V regulators
PHYBoost – Programmable USB transceiver drive strength for recovering signal integrity
VariSense™ - Programmable USB receiver sensitivity
“Wrapper-less” design for optimal timing performance and design ease
External Reference Clock operation available
Smart detection circuits allow identification of USB charger, headset, or data cable insertion
Includes full support for the optional On-The-Go (OTG) protocol detailed in the On-The-Go Supplement Revision 2.0 specification
Supports the OTG Host Negotiation Protocol (HNP) and Session Request Protocol (SRP)
UART mode for non-USB serial data transfers
Internal 5V cable short-circuit protection of ID, DP and DM lines to VBUS or ground

USB (Universal Serial Bus) - Microchip

Attribute Value
Number of Transceivers 1
Protocols Supported USB 2.0-OTG
Power Supply Type Single
ESD Protection Yes
Typical Single Supply Voltage 1.8 → 3.3 V
Mounting Type Surface Mount
Package Type QFN
Pin Count 24
Dimensions 3.95 x 3.95 x 0.9mm
Height 0.9mm
Length 3.95mm
Maximum Operating Temperature +85 °C
Width 3.95mm
Minimum Operating Temperature -40 °C
160 In stock for delivery within 3 working days
Price Each (In a Pack of 5)
SGD 1.832
(exc. GST)
SGD 1.96
(inc. GST)
Per unit
Per Pack*
5 - 5
10 - 20
25 - 95
100 +
*price indicative
Packaging Options:
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