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BQ27542DRZT-G1 Datasheet(PDF) 8 Page - Texas Instruments

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Part # BQ27542DRZT-G1
Description  Single Cell Li-Ion Battery Fuel Gauge for Battery Pack Integration
Download  38 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ27542DRZT-G1 Datasheet(HTML) 8 Page - Texas Instruments

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tSU(STA)
SCL
SDA
tw(H)
tw(L)
tf
tr
t(BUF)
tr
td(STA)
REPEATED
START
th(DAT)
tsu(DAT)
tf
tsu(STOP)
STOP
START
bq27542-G1
SLUSC33 – APRIL 2015
www.ti.com
8.14 Timing Requirements: I
2C-Compatible Interface
TA = –40°C to 85°C, CREG = 0.47μF, 2.45 V < VREGIN = VBAT < 5.5 V; typical values at TA = 25°C and VREGIN = VBAT = 3.6 V
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
tr
SCL/SDA rise time
300
ns
tf
SCL/SDA fall time
300
ns
tw(H)
SCL pulse width (high)
600
ns
tw(L)
SCL pulse width (low)
1.3
μs
tsu(STA)
Setup for repeated start
600
ns
td(STA)
Start to first falling edge of SCL
600
ns
tsu(DAT)
Data setup time
1000
ns
th(DAT)
Data hold time
0
ns
tsu(STOP)
Setup time for stop
600
ns
tBUF
Bus free time between stop and start
66
μs
fSCL
Clock frequency
400
kHz
Figure 2. I2C-Compatible Interface Timing Diagrams
8
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Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: bq27542-G1


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