Datasheet > ISL54226

ISL54226

更新时间： 2024-11-27 11:47:31

品牌	Logo	应用领域
英特矽尔 - INTERSIL		开关
页数	文件大小	规格书
18页	777K
描述
High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP) and Dedicated Charger Port Detection

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ISL54226 数据手册

High-Speed USB 2.0 (480Mbps) DPST Switch with

Overvoltage Protection (OVP) and Dedicated

Charger Port Detection

ISL54226

Features

• High-Speed (480Mbps) and Full-Speed (12Mbps)

Signaling Capability per USB 2.0

The Intersil ISL54226 is a single supply, dual SPST

(Single Pole/Single Throw) switch that is configured as a

DPST. It can operate from a single 2.7V to 5.25V supply.

The part was designed for switching or isolating a USB

high-speed source or a USB high-speed and full-speed

source in portable battery powered products.

• 1.8V Logic Compatible (2.7V to +3.6V Supply)

• OE/ALM Pin to Open all Switches and Indicate

Overvoltage Fault Condition

• Charger Interrupt Indicator Output

• Power OFF Protection

The 3.5Ω SPST switches were specifically designed to

pass USB full speed and USB high-speed data signals.

They have high bandwidth and low capacitance to pass

USB high-speed data signals with minimal distortion.

• COM Pins Overvoltage Protection for +5.25V and -5V

Fault Voltages

• -3dB Frequency . . . . . . . . . . . . . . . . . . . . 790MHz

• Low ON Capacitance @ 240MHz. . . . . . . . . . . . 2pF

• Low ON-Resistance. . . . . . . . . . . . . . . . . . . . 3.5Ω

The ISL54226 has OVP detection circuitry on the COM

pins to open the SPST switches when the voltage at

these pins exceeds 3.8V or goes negative by -0.45V. It

isolates fault voltages up to +5.25V or down to -5V from

getting passed to the other side of the switch, thereby

protecting the USB down-stream transceiver.

• Single Supply Operation (V ) . . . . . 2.7V to 5.25V

• Available in µTQFN and TDFN Packages

• Pb-Free (RoHS Compliant)

The OE/ALM logic pin is an open drain input/output that

can be driven to open the switches or monitored to tell

when the part is in an overvoltage state.

• Compliant with USB 2.0 Short Circuit and

Overvoltage Requirements without Additional

External Components

The part has an interrupt (INT) output pin to indicate a

1 to 1 (high/high) state on the COM lines to inform the

µprocessor when entering a dedicated charging port

mode of operation.

Applications*(see page 16)

• MP3 and Other Personal Media Players

• Cellular/Mobile Phones, PDA’s

• Digital Cameras and Camcorders

• USB Switching

The ISL54226 is available in 8 Ld 1.2mmx1.4mm

µTQFN and 8 Ld 2mmx2mm TDFN packages. It operates

over a temperature range of -40 to +85°C.

Typical Application

USB 2.0 HS Eye Pattern with

Switches in the Signal Path

3.3V

500Ω

100kΩ

VDD

INT

OE/ALM

D-

LOGIC

CONTROL

µP

VBUS

D-

COM -

USB

OVP

DET

COM +

HIGH-SPEED

TRANSCEIVER

4MΩ

D+

ISL54226

GND

TIME SCALE (0.2ns/DIV)

July 29, 2010

FN7614.0

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...18

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与ISL54226相关器件

型号	品牌	获取价格	描述	数据表
ISL54226_10	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP) and Dedicated C
ISL54226IRTZEVAL1Z	RENESAS	获取价格	High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP) and Dedicated C
ISL54226IRTZ-T	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP) and Dedicated C
ISL54226IRTZ-T	RENESAS	获取价格	High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP) and Dedicated C
ISL54226IRTZ-T7A	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP) and Dedicated C
ISL54226IRTZ-T7A	RENESAS	获取价格	High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP) and Dedicated C
ISL54226IRUZ-T	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP) and Dedicated C
ISL54226IRUZ-T	RENESAS	获取价格	High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP) and Dedicated C
ISL54226IRUZ-T7A	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP) and Dedicated C
ISL54226IRZEVAL1Z	INTERSIL	获取价格	High-Speed USB 2.0 (480Mbps) DPST Switch with Overvoltage Protection (OVP) and Dedicated C

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