BQ27Z561-R1 datasheet(9/27 Pages) TI2

Numer części	BQ27Z561-R1

Szczegółowy opis	BQ27Z561-R1 Impedance Track™ Battery Gas Gauge Solution for 1-Series Cell Li-Ion Battery Packs

PDF	27 Pages

Scroll/Zoom	100%

Producent	TI2 [Texas Instruments]

Strona internetowa	https://www.ti.com

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9 / 27 page

7.20 HDQ Timing (continued)

PARAMETER

TEST CONDITIONS

MIN

NOM

MAX

UNIT

tTRND

Host turn around time

Host drives HDQ after device drives

HDQ

250

µs

tRISE

HDQ line rising time to logic

1.8

µs

tRST

HDQ Reset

Host drives HDQ low before device

reset

2.2

SCL

SDA

tHD;STA

tLOW

tHD;DAT

tHIGH

tSU;DAT

tSU;STA

tSU;STO

START

REPEATED

START

STOP

tHD;STA

START

tSP

tBUF

Figure 7-1. I2C Timing

t(B)

t(BR )

t(H W 1)

t(H W 0)

t(C YC H )

t(D W 1)

t(D W 0)

t(C YC D )

B reak

7-bit addres s

8-bit data

(a) B reak and B reak R ec ov ery

(c ) H os t T rans m itted B it

(d) G auge T rans m itted B it

(e) G auge to Hos t Res pons e

1.2V

t(R ISE)

(b) H D Q line ris e tim e

1 - b it

R / W

t(R SPS)

t(R ST )

(f) H D Q R es et

f. H D Q H o s t to fu e l g a u g e

e . F u e l g a u g e to H o s t r e s p o n s e fo r m a t

d . F u e l g a u g e to H o s t c o m m u n ic a tio n

c . H D Q H o s t to fu e l g a u g e c o m m u n ic a tio n

b . R is e tim e o f H D Q lin e

a . H D Q B r e a k in g

Figure 7-2. HDQ Timing

www.ti.com

BQ27Z561-R1

SLUSDH5B – MARCH 2019 – REVISED DECEMBER 2022

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