TPS25940ARVCR datasheet(6/47 Pages) TI1

Part #	TPS25940ARVCR

Description	18V eFuse with True Reverse Blocking and DevSleep Support for SSDs

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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TPS25940A, TPS25940L

SLVSCF3A – JUNE 2014 – REVISED MARCH 2015

www.ti.com

Electrical Characteristics (continued)

Conditions are –40°C

≤ TJ=TA ≤ 125°C, 2.7 V ≤ V(IN) = 18 V, V(EN/UVLO) = 2 V, V(OVP) = V(DEVSLP) = V(PGTH) = 0 V, R(ILIM) = 150

k

Ω, C(OUT) = 1 µF, C(dVdT) = OPEN, PGOOD = FLT = IMON = OPEN. Positive current into terminals. All voltages referenced to

GND (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

R(ILIM) = 42.2 kΩ, V(VIN) = 12 V, (V(IN) -V(OUT)) = 5 V

1.91

2.07

2.24

R(ILIM) = 24.9 kΩ, V(VIN) = 12 V, (V(IN) -V(OUT)) = 5 V

3.21

3.49

3.77

IOS

Short-circuit current limit (2)

A

R(ILIM) = 16.9 kΩ, V(VIN) = 12 V, (V(IN) -V(OUT))= 5 V, -40°C ≤

4.7

5.11

5.52

TJ ≤ 85°C

1.5 x I(LIM) +

I(FASTRIP)

Fast-Trip comparator threshold(1)(2)

A

0.375

CURRENT MONITOR OUTPUT (IMON)

GAIN(IMON)

Gain Factor I(IMON):I(OUT)

1 A

≤ I(OUT) ≤ 5 A

47.78

52.3

57.23

µA/A

MOSFET – POWER SWITCH

RON

IN to OUT - ON Resistance

1 A

≤ I(OUT) ≤ 5 A, TJ = 25°C

34

42

49

1 A

≤ I(OUT) ≤ 5 A, -40°C ≤ TJ ≤ 85°C

26

42

58

m

Ω

1 A

≤ I(OUT) ≤ 5 A, -40°C ≤ TJ ≤ 125°C

26

42

64

PASS FET OUTPUT (OUT)

V(IN) = 18 V, V(EN/UVLO) = 0 V, V(OUT) = 0 V (Sourcing)

–2

0

2

Ilkg(OUT)

OUT leakage current in off state

µA

V(IN) = 2.7 V, V(EN/UVLO) = 0 V, V(OUT) = 18 V (Sinking)

6

13

20

V(IN) -V(OUT) threshold for reverse

V(REVTH)

–15

-9.3

–3

mV

protection comparator, falling

V(IN) -V(OUT) threshold for reverse

V(FWDTH)

86

100

114

mV

protection comparator, rising

FAULT FLAG (FLT): ACTIVE LOW

R(FLT)

FLT internal pull-down resistance

V(OVP) = 2 V, I(FLT) = 5 mA sinking

10

18

30

Ω

I(FLT)

FLT input leakage current

0 V

≤ V(FLT) ≤ 18 V

–1

0

1

µA

POSITIVE INPUT for POWER-GOOD COMPARATOR (PGTH)

V(PGTHR)

PGTH threshold voltage, rising

0.97

0.99

1.01

V

V(PGTHF)

PGTH threshold voltage, falling

0.9

0.92

0.94

V

I(PGTH)

PGTH input leakage current

0 V

≤ V(PGTH) ≤ 18 V

–100

0

100

nA

POWER-GOOD COMPARATOR OUTPUT (PGOOD): ACTIVE HIGH

PGOOD internal pull-down

R(PGOOD)

V(PGTH) = 0V, I(PGOOD) = 5 mA sinking

10

20

35

Ω

resistance

I(PGOOD)

PGOOD input leakage current

0 V

≤ V(PGOOD) ≤ 18 V

–1

0

1

µA

THERMAL SHUT DOWN (TSD)

T(TSD)

TSD Threshold(1)

160

°C

T(TSDhys)

TSD Hysteresis(1)

12

°C

TPS25940L

LATCHED

Thermal Fault: (Latched or Auto-

AUTO-

Retry)

TPS25940A

RETRY

6

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Product Folder Links: TPS25940A TPS25940L

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