PI3USB9281 datasheet(3/13 Pages) DIODES

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2014-04-0004

PT0502-1

04/28/14

PI3USB9281

USB 2.0 Port Protection with Charger Detection

Switch Path DC Electrical Characteristics

Min and Max apply for TA between -40°C to 85°C and TJ up to +125°C (unless otherwise noted). Typical values are

referenced to TA=+25°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Units

USB Data Switches (D+, D-)

RONUSB

USB Switch On-Resistance

ILOAD = 8mA, VD+ / D-= 0V, 0.4V

2.5

3.1

USB Analog Signal Voltage Range

VBAT=3.0 to 4.4V

3.6

Charging FET Switch

VOVP

Over-Voltage Protection (OVP) Threshold Voltage

6.2

6.8

7.2

RONCHG

Charging FET On-Resistance VBUSIN=4.2V-5.0V, ILOAD=1A

100

150

mΩ

IOCP

Over-Current Protection (OCP)

Threshold Current

(2)

VBUSIN=5V

1.5

1.7

1.9

Host Interface Pins (INTB, CHG)

VOH

Output High Voltage

IOH=2mA, VBAT=3.0 to 4.4V

0.7×

VDDIO

VOL

Output Low Voltage

IOL=10mA, VBAT=3.0 to 4.4V

0.4

Current Consumption

ICC

Battery Supply Current

No Accessory Static Current,

VBAT=3.6V,VBUSIN=0V

µA

With Accessory Static Current,

VBAT=3.6V,VBUSIN=0V

µA

With Accessory Static Current,

VBAT=3.6V,VBUSIN=5V

µA

ISTANDBY

Battery Supply

Standby Current

VBAT=3.6V,VBUSIN=0V,ENB=3.6V

µA

IOFF

Power-Off Leakage Current

VBAT=0V, VSW=0 to 4.4V

µA

ION(OFF)

Off Leakage Current

VBAT=3.0 to 4.4V, I/O pins=0.3V, 4.1V

-0.1

0.001

0.1

µA

IIDSHORT

Short-Circuit Current

(2)

VBAT=3.0 to 4.4V, ID=0V

Note:

On-resistance is the voltage drop between the two terminals at the indicated current through the switch.

Limits based on electrical characterization data.

Capacitance (TA = -40°C to 85°C)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Units

CONUSB

D+, D- On Capacitance (USB Mode)

VBAT=3.8V , f=1MHz

4.0

PI3USB9281 数据表(PDF) 3 Page - Diodes Incorporated

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