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TPD4S214

更新时间： 2024-11-16 12:00:31

品牌	Logo	应用领域
德州仪器 - TI		过电流保护
页数	文件大小	规格书
21页	1300K
描述
USB OTG Companion Device with VBUS Over Voltage, Over Current Protection, and Four Channel ESD Clamps

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TPD4S214 数据手册

TPD4S214

www.ti.com

SLVSBR1A –JANUARY 2013–REVISED FEBRUARY 2013

USB OTG Companion Device with V Over Voltage, Over Current Protection, and Four

BUS

Channel ESD Clamps

Check for Samples: TPD4S214

FEATURES

•

ESD Performance D+, D-, ID, V_BUSPINS

–

±15-kV Contact Discharge (IEC 61000-4-2)

±15-kV Air Gap Discharge (IEC 61000-4-2)

•

Input Voltage Protection at V_BUSfrom –7 V to

30 V

•

Low R_DS(ON)N-CH FET Switch for High

Efficiency

Space Saving WCSP (12-YFF) Package

APPLICATIONS

•

Compliant with USB2.0 and USB3.0 OTG spec

User Adjustable Current Limit From 250 mA to

Beyond 1.2 A

•

Cell Phones

Tablet, eBook

•

Built-in Soft-start

Set-Top Box

Reverse Current Blocking

Over Voltage Lock Out for V_BUS

Under Voltage Lock Out for V_{OTG_IN}

Portable Media Players

Digital Camera

Thermal Shutdown and Short Circuit

Protection

YFF PACKAGE

(TOP SIDE/SEE-THROUGH VIEW)

1.4-mm

•

Auto Retry on any Fault; no Latching off

States

12-YFF Pin Proposal

•

Integrated V_BUSDetection Circuit

V_{OTG_IN}

DET

VBUS

Low Capacitance TVS ESD Clamp for USB2.0

High Speed Data Rate

V_{OTG_IN}

FLT\

GND

D-

VBUS

•

Internal 16ms Startup Delay

ADJ

D+

DESCRIPTION

The TPD4S214 is a single-chip protection solution for USB On-the-Go and other current limited USB

applications. This device includes an integrated low (R_DS(ON) N-channel current limited switch for OTG current

supply to peripheral devices. TPD4S214 offers low capacitance TVS ESD clamps for the D+, D-, ID pins for both

USB2.0 and USB3.0 applications. The VBUS pin can handle continuous voltage ranging from –7 V to 30 V. The

over voltage lock-out (OVLO) at the VBUS pin ensures that if there is a fault condition at the V_BUSline, the

TPD4S214 is able to isolate it and protects the internal circuitry from damage. Similarly, the under voltage lock

out (UVLO) at the V_{OTG_IN}pin ensures that there is no power drain from the internal OTG supply to external V_BUS

if V_{OTG_IN}droops below safe operating level.

When EN is high, the OTG switch is activated and the FLT pin indicates whether there is a fault condition. The

soft start feature waits 16 ms to turn on the OTG switch after all operating conditions are met. The FLT pin

asserts low during any one of the following fault conditions: OVLO (V_BUS> V_OVLO), UVLO condition (V_{OTG_IN}

V_UVLO) over temperature, over current, short circuit condition, or reverse-current-condition (V_BUS> V_{OTG_IN}). The

OTG switch is turned off during any fault condition. Once the switch is turned off, the IC periodically rechecks the

faults internally. If the IC returns to normal operating conditions, the switch turns back on and FLT is reset to

high.

There is also a V_BUSdetection feature for facilitating USB communication between USB host and peripheral

device. See Table 2 for detection scheme. If this is not used, DET pin can be either floating or connected to

ground.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCT PREVIEW information concerns products in the

formative or design phase of development. Characteristic data and

other specifications are design goals. Texas Instruments reserves

the right to change or discontinue these products without notice.

12 3 4 5 6 7...21

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TPD4S214 替代型号

型号	品牌	替代类型	描述	数据表
TPD1S514	TI	功能相似	USB 充电器、过压、浪涌和 ESD 保护
TPD1S414	TI	功能相似	具有 ESD 功能的 USB 充电器过压保护开关
TPD4S014	TI	功能相似	COMPLETE PROTECTION SOLUTION FOR USB CHARGER PORT INCLUDING ESD PROTECTION FOR ALL LINES A

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