USB3750 datasheet(1/31 Pages) MICROCHIP

部品番号	USB3750

部品情報	USB 2.0 Protection IC with Battery

PDF	31 Pages

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メーカー	MICROCHIP [Microchip Technology]

ホームページ	http://www.microchip.com

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 2011 - 2014 Microchip Technology Inc.

DS00001824A-page 1

Features

• VBUS Over-Voltage Protection

- Protects internal circuits from VBUS up to 9V

- Over-Voltage/Under-Voltage Lockout opens

VBUS switch

- Interrupt to indicate Over-Voltage/Under-Volt-

age Lockout

- Integrated Low RDSON FET

• USB Port ESD Protection (DP/DM/VBUS)

- ±15kV (air discharge)

- ±15kV (contact discharge)

- IEC 61000-4-2 level 4 ESD protection without

external devices

• High Speed USB Mux for multiplexing the USB

lanes between different functions (USB3750 only)

- Switch the USB connector between two dif-

ferent functions

- High bandwidth USB switch passes HS USB

signals

• Provides USB Battery Charger Detection for:

- USB-IF Battery Charging compliant Dedi-

cated Charging Ports (DCP)

- USB-IF Battery Charging compliant Charging

Downstream Port (CDP)

- Standard Downstream Port (SDP); i.e. USB

host or downstream hub port

- Dedicated SE1 type chargers

• Dead Battery Provision Support (USB375x-1

only)

- Allows 100 mA trickle charging from VBUS

when attached to a Standard Downstream

Port (SDP) while not enumerated

- Built-in 100mA current limiting option

• Microchip RapidCharge Anywhere™ Provides:

- 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 compati-

ble 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

- Maximizes power delivered to the system

• Industrial Operating Temperature -40°C to +85°C

• 16-Pin QFN RoHS compliant package; (3.0 mm x

3.0 mm x 0.9 mm height

USB375x Block Diagram

SCL

SDA

VBUS

VOUT

I

2C

Interface

INT_B

DP

DM

HS USB

Switch

DM_2

DP_2

USB 2.0 PHY,

Processor, or

Accessory

Processor

Charger

Detection

Battery

Charger/

PMU

GND

DM_1

DP_1

USB 2.0 PHY,

Processor, or

Accessory

Over-Voltage/Under-Voltage

Protection and Current

Limiting

DP

DM

VBUS

DP

DM

VBUS

DP

DM

HS Switch is USB3750 feature only

USB375x

USB 2.0 Protection IC with Battery

Charger Detection

同様の部品番号 - USB3750

メーカー	部品番号	データシート	部品情報
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