TPS65022

SLVS667B – JULY 2006 – REVISED JANUARY 2016

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Recommended Operating Conditions (continued)

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

MIN

NOM

MAX

UNIT

Operating ambient temperature

–40

85

°C

Operating junction temperature

–40

125

°C

1

10

Ω

(3)

accordingly.

6.4 Thermal Information

TPS65022

RHA (VQFN)

UNIT

40 PINS

Junction-to-ambient thermal resistance

31.6

°C/W

Junction-to-case (top) thermal resistance

18.2

°C/W

Junction-to-board thermal resistance

6.6

°C/W

Junction-to-top characterization parameter

0.2

°C/W

Junction-to-board characterization parameter

6.5

°C/W

Junction-to-case (bottom) thermal resistance

1.7

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report, SPRA953.

6.5 Electrical Characteristics

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

CONTROL SIGNALS : SCLK, SDAT (input), DCDC1_EN, DCDC2_EN, DCDC3_EN, LDO_EN, DEFLDO1, DEFLDO2

High level input voltage

Rpullup at SCLK and SDAT = 4.7 k

Ω, pulled to VRTC

1.3

VCC

V

Low level input voltage

Rpullup at SCLK and SDAT = 4.7 k

Ω, pulled to VRTC

0

0.4

V

Input bias current

0.01

0.1

μA

CONTROL SIGNALS : HOT_RESET

High level input voltage

1.3

VCC

V

Low level input voltage

0

0.4

V

Input bias current

0.01

0.1

μA

Deglitch time at HOT_RESET

25

30

35

ms

CONTROL SIGNALS : LOWBAT, PWRFAIL, RESPWRON, INT, SDAT (output)

High level output voltage

6

V

Low level output voltage

0

0.3

V

Duration of low pulse at RESPWRON

External capacitor 1 nF

100

ms

internal charge and discharge current on pin

ICONST

used for generating RESPWRON delay

1.7

2

2.3

μA

TRESPWRON

TRESPWR

internal lower comparator threshold on pin

used for generating RESPWRON delay

0.225

0.25

0.275

V

ON_LOWTH

TRESPWRON

TRESPWR

internal upper comparator threshold on pin

used for generating RESPWRON delay

0.97

1

1.103

V

ON_UPTH

TRESPWRON

Resetpwron threshold

VRTC falling

–3%

2.4

3%

V

Resetpwron threshold

VRTC rising

–3%

2.52

3%

V

leakage current

output inactive high

0.1

μA

6

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