TPS65022_16 datasheet(10/47 Pages) TI1

Part #	TPS65022

Description	Power Management IC for Li-Ion Powered Systems

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Manufacturer	TI1 [Texas Instruments]

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VCC

UVLO*

VRTC

t

NRESPWRON

DCDCx_EN

V DCDCx

O

RESPWRON

*...InternalSignal

VSYSIN=VBACKUP =GND;

VINLDO=VCC

0.8V

1.9V

2.52V

3V

Ramp

Within

800 s

m

LDO_EN

2.47V

V LDOx

O

1.8V

2.4V

2.35V

1.2V

1.5V

1.9V

slopedepending onload

t

DEGLITCH

HOT_RESET

RESPWRON

V

DCDC3

O

defaultvoltage

anyvoltageset

withI Cinterface

2

t

NRESPWRON

TPS65022

SLVS667B – JULY 2006 – REVISED JANUARY 2016

www.ti.com

6.6 Timing Requirements

VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 2.5 V to 5.5 V, VBACKUP = 3 V, TA = –40°C to 85°C.

MIN

MAX

UNIT

fMAX

Clock frequency

400

kHz

twH(HIGH)

Clock high time

600

ns

twL(LOW)

Clock low time

1300

ns

tR

DATA and CLK rise time

300

ns

tF

DATA and CLK fall time

300

ns

th(STA)

Hold time (repeated) START condition (after this period the first clock pulse is generated)

600

ns

th(DATA)

Setup time for repeated START condition

600

ns

th(DATA)

Data input hold time

0

ns

tsu(DATA)

Data input setup time

100

ns

tsu(STO)

STOP condition setup time

600

ns

t(BUF)

Bus free time

1300

ns

Figure 1. HOT_RESET Timing

Figure 2. Power-Up and Power-Down Timing

10

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