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BQ27Z561-R1 Scheda tecnica(PDF) 9 Page - Texas Instruments

Il numero della parte BQ27Z561-R1
Spiegazioni elettronici  BQ27Z561-R1 Impedance Track™ Battery Gas Gauge Solution for 1-Series Cell Li-Ion Battery Packs
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Produttore elettronici  TI2 [Texas Instruments]
Homepage  https://www.ti.com
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BQ27Z561-R1 Scheda tecnica(HTML) 9 Page - Texas Instruments

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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
1.8
µs
tRST
HDQ Reset
Host drives HDQ low before device
reset
2.2
s
SCL
SDA
tHD;STA
tLOW
tr
tHD;DAT
tHIGH
tf
tSU;DAT
tSU;STA
tSU;STO
tf
START
REPEATED
START
STOP
tHD;STA
START
tSP
tr
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
Copyright © 2022 Texas Instruments Incorporated
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