TPD1S414 datasheet(5/18 Pages) TI1

部件名	TPD1S414

功能描述	USB CHARGER OVP SWITCH WITH ESD FOR VBUS_CON PIN

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制造商	TI1 [Texas Instruments]

网页	http://www.ti.com

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TPD1S414

www.ti.com

SLLSEH9A – OCTOBER 2013 – REVISED OCTOBER 2013

ELECTRICAL CHARACTERISTICS (OVP CIRCUIT) (continued)

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Difference between rising and

VBUS_SYS UVLO Hysteresis,

VHYS_UVLO_SYS

falling UVLO thresholds on

480

mV

VBUS_SYS

VBUS_SYS undervoltage lockout,

VBUS_SYS voltage falling from 7 V

VUVLO_SYS_FALL

3

3.2

3.4

V

VBUS_SYS

to 5 V

THERMAL SHUTDOWN FEATURE

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Thermal Shutdown

Junction temperature

145

°C

TSHDN

Thermal-Shutdown Hysteresis

Junction temperature

35

°C

SWITCHING CHARACTERISTICS (nFET)

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VBUS_CON = 5 V, IOUT = 1 A,

RDS(on)

Switch ON Resistance

39

50

m

Ω

TA = 25˚C

TIMING REQUIREMENTS

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Measured from EN asserted LOW to

tDELAY

USB Charging Turn-ON Delay

nFET beginning to Turn ON(1)

20

ms

excluding soft-start time

Measure from VBUS_SYS rises above

USB Charging rise time (Soft

tSS

25% (with 1 M

Ω load/ NO CLOAD) until

25

ms

Start Delay)

ACK goes Low (10%)

Measured from EN asserted High to

tOFF_DELAY

USB Charging Turn-OFF time

VBUS_SYS falling to 10% with RLOAD =

4

µs

10

Ω and No CLOAD on VBUS_SYS

Over Voltage Protection

Measured from OVP Condition to FET

tOVP_response

OVP Response time

Turn OFF(1)(2). VBUS_CON rises at 1V /

100

ns

100ns

Measured from OVP Clear to FET Turn

tOVP_Recov

Recovery Time

20

ms

ON(1)(3)

(1)

Shown in TIMING DIAGRAM Plots

(2)

Parameters provided for reference only, and do not constitute part of TI's published device specifications for purposes of TI's product

warranty.

(3)

Excludes soft start time

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Product Folder Links: TPD1S414

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Texas Instruments	TPD1S414	1Mb / 19P	[Old version datasheet] USB CHARGER OVP SWITCH WITH ESD FOR V
Texas Instruments	TPD1S414	1Mb / 19P	[Old version datasheet] USB CHARGER OVP SWITCH WITH ESD FOR V

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