TPS2592ALDRCT datasheet(7/34 Pages) TI1

部品番号	TPS2592ALDRCT

部品情報	12-V eFuse with Over Voltage Protection and Blocking FET Control

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7 / 34 page

Not Recommended for New Designs

TPS2592AA, TPS2592AL

www.ti.com

SLVSC11C – JUNE 2013 – REVISED DECEMBER 2014

Electrical Characteristics (continued)

–40°C

≤ TJ ≤ 125°C, VIN = 12 V, VEN /UVLO = 2 V, RILIM = 45.3 kΩ, CdVdT = OPEN. All voltages referenced to GND (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OUT (PASS FET OUTPUT)

TJ = 25°C

21

28

33

RDS(on)

FET ON resistance

m

Ω

TJ = 125°C

39

46

IOUT-OFF-LKG

VEN/UVLO = 0 V, VOUT = 0 V (Sourcing)

–5

0

1

OUT Bias current in off state

µA

IOUT-OFF-SINK

VEN/UVLO = 0 V, VOUT = 300 mV (Sinking)

10

15

20

BFET (BLOCKING FET GATE DRIVER)

IBFET

BFET Charging current(1)

VBFET = VOUT

2

µA

VVIN +

VBFETmax

BFET Clamp voltage(1)

V

6.4

BFET Discharging resistance to

RBFETdisch

VEN/UVLO = 0 V, IBFET = 100 mA

15

26

36

Ω

GND

TSD (THERMAL SHUT DOWN)

TSHDN

TSD Threshold, rising(1)

160

°C

TSHDNhyst

TSD Hysteresis(1)

10

°C

TPS2592AL

LATCHED

Thermal fault: latched or autoretry

TPS2592AA

AUTO-RETRY

8.6 Timing Requirements

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

EN/UVLO

→ H to IVIN = 100 mA, 1-A resistive load

TON

Turn-on delay(1)

220

µs

at OUT

tOFFdly

Turn Off delay(2)

EN/UVLO

↓ to BFET↓, CBFET = 0

0.4

µs

dV/dT (OUTPUT RAMP CONTROL)

EN/UVLO

→ H to OUT = 11.7 V, CdVdT = 0

0.7

1

1.3

tdVdT

Output ramp time

ms

EN/UVLO

→ H to OUT = 11.7 V,

12

CdVdT = 1 nF

(2)

ILIM (CURRENT LIMIT PROGRAMMING)

tFastOffDly

Fast-Trip comparator delay(2)

IOUT > IFASTRIP to IOUT= 0 (Switch Off)

3

µs

BFET (BLOCKING FET GATE DRIVER)

EN/UVLO

→ H to VBFET = 12 V, CBFET = 1 nF

4.2

tBFET-ON

BFET Turn-On duration(2)

ms

EN/UVLO

→ H to VBFET = 12 V, CBFET = 10 nF

42

EN/UVLO

→ L to VBFET = 1 V, CBFET = 1 nF

0.4

tBFET-OFF

BFET Turn-Off duration(2)

µs

EN/UVLO

→ L to VBFET = 1 V, CBFET = 10 nF

1.4

(1)

These parameters are provided for reference only and do not constitute part of TI's published device specifications for purposes of TI's

product warranty.

(2)

These parameters are provided for reference only and do not constitute part of TI's published device specifications for purposes of TI's

product warranty.

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Product Folder Links: TPS2592AA TPS2592AL

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