USB Type-C | FUSB251

Type-C™ CC/SBU 保護 IC

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Overview

FUSB251 は、Type−C™ インタフェース・ポートの CC ピンと SBU ピンの電圧保護スイッチで制御される I2C です。有効な VDD で自動的に有効化される CC1/2 と SBU1/2 に SPST スイッチがあり、過電圧保護されている CC パスを Type−C™ PD コントローラで使用できるようになっています。FUSB251 は、デッド・バッテリ・モードと CC が Rd でプルダウンされており、ソース・デバイスでバッテリ充電用 Vbus が実現できるようにしています。FUSB251 には、CC パスと SBU パスの両方での ADC 検出による湿気検出、という特長もあります。湿気が検出されると、割り込みが生成され、それに応じてレジスタが更新され、ホストに通知されます。オンチップ IEC 保護は、CC パスと SBU パスの両方でのサージ保護になります。 CC ポートと SBU ポートのいずれも 20 V DC トレラントです。

  • Mobile Devices
  • Portable Electronics
  • Outdoor Devices
  • Smart Phones
  • Tablets, Netbooks, Ultra−Mobile PCs
  • Gaming Devices and E−books
  • Portable Devices with Li−ion Battery
  • Car Cigarette Jack
  • External USB Storage
  • Low Ron SPST Switches on both CC1/2 and SBU1/2 Path for USB Type−C™
  • ±35V Surge Protection on CC and SBU
  • 24V DC Tolerant on CC and SBU
  • Moisture Detection on CC and SBU Pins
  • Dead Battery Mode Provides Default Rd Presenting on CC1/2
  • Over Voltage Protection on CC and SBU
  • I2C Interface with Processor with Interrupt for event Notification
  • On−chip IEC ESD Protection with External Capacitor on CAP Pin
  • CC Ron 0.3Ω Typical
  • SBU Ron 3Ω Typical
  • 50MHz Bandwidth on SBU Switch

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FUSB251UCX

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Pb

A

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P

WLCSP-15

567WV

1

260

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4000

Y

DRP

Yes

Moisture Detection

$0.5222

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