BQ2092_15 Datasheet, PDF (25/30 Pages) Texas Instruments – Gas Gauge IC with SMBus-Like Interface

Obsolete Device
bq2092
AC Specifications
Symbol
Parameter
Min
Max Units
Notes
FSMB
SMBus operating frequency
10
100
KHz
TBUF
Bus free time between stop and
start condition
4.7
µs
THD:STA
Hold time after (repeated) start
condition
4.0
µs
TSU:STA
Repeated start condition setup
250
time
4.7
ns SCD
µs External Memory
TSU:STO
Stop condition setup time
4.0
µs
THD:DAT
Data hold time
1
µs
TSU:DAT
Data setup time
250
ns
TEXT1
Data buffering time addresses
40
ms 0x19, 0x1a, 0x1b
TEXT2
String buffering time addresses
0x20-0x23 per character
15
ms 40ms for first character
TPD
Data output delay time
300
3500
ns External memory only. See Note.
TLOW
Clock low period
4.7
µs
THIGH
Clock high period
4.0
µs
TF
Clock/Data fall time
300
ns
TR
Clock/data rise time
1000
ns
Note:
The external memory must provide this internal minimum delay time to bridge the undefined region
(minimum 300 ns) of the falling edge of SCL to avoid unintended generation of START or STOP conditions.
Bus Timing Data
SCC
t_SU:STA
t_HD:STA
t_SU:STO
SCD
t_BUF
t_R
t_LOW
t_SU:DAT
t_F
t_HIGH
t_HD:DAT (receiver)
t_PD (transmitter)
TD209201.eps
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