PL2731 (QFN32 Package)

USB 3.0 Single-LUN Mass Storage Card Reader

OVERVIEW

The PL2731 is a SuperSpeed USB to Single LUN SD / MMC card reader. It supports USB Mass Storage Class Bulk Only Transfer specification to access Secure Digital card up to SD3.0 UHS-I SDR104.

The PL2731 integrates USB transceiver, LDO regulator for SD card power, SD UHS-I IO interface regulator, logic core and GPIO to achieve a very low BOM cost. The controller supports optional SPI flash interface for system firmware.

FEATURE

  • SuperSpeed USB 3.0 Storage Controller Solution
  • Support SuperSpeed, Hi-Speed, and Full-speed USB operations
  • Support USB Mass Storage Class Bulk-Only Transport Specification
  • Supports Secure Digital™ card (SDSC, SDHC, SDXC, up to v3.01 UHS-I SDR104) and MultiMediaCard™ (MMC) up to v4.2
  • Optional SPI interface for system firmware
  • Built-in 3.3V / 1.8V / 1.2V LDO regulators to achieve very low BOM cost.

PACKAGE

  • 5mmx5mm QFN32

Product Brochure

DescriptionVersionUpdated
DownloadPL2731 product brochureV10

Datasheets & Notice

DescriptionVersionUpdated
DownloadPL2731 Product Datasheet2.22024/09/13

Reference Design Guide

DescriptionVersionUpdated
DownloadPL2731B_SCH_V20_20250512_USB-A+USD&SD+2-LDOV2.02025/05/12
DownloadPL2731 PCB Layout Guide (English)V1.02022/09/27
DownloadReference Schematic (PDF and DSN File)1.92021/03/03
DownloadPL2731 PCB Layout Guide (中文)1.12017/09/14

Test Reports

DescriptionVersionUpdated
DownloadPL2731 Single-LUN Mass Storage Card Reader Controller
Product Test Summary Guide
1.32017/09/22

Drivers & Software

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Application Note & User Manual

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MP Tools (For Vendors Only)

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Firmware (For Vendors Only)

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Prolific Internal Only

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Software

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