BQ28550-R1 Datasheet, PDF (9/42 Pages) Texas Instruments – Single Cell Li-Ion Battery Gas Gauge

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bq28550-R1
SLUSAS4A – OCTOBER 2012 – REVISED SEPTEMBER 2014
Electrical Characteristics: Serial Communication Timing Characteristics (continued)
T_A = –40 to +85ºC, V_BAT = 2.7 V to 5.5 V; Typical values stated, where T_A = 25ºC and V_BAT = 3.6 V (unless otherwise noted).
Capacitance on serial interface pins SCL and SDA are 10 pF unless otherwise specified ⁽¹⁾.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
t_su(STOP)
t_(BUF)
Setup time for stop
Bus free time between
stop and start
600
ns
1.3
μs
f_(SCL)
Clock frequency
100
kHz
t_{su (STA)}
t_w(H)
t_w(L)
t_f
tr
t_(BUF)
SCL
SDA
t_{d (STA)}
t_r
REPEATED
START
t_h(DAT) t_su (DAT)
Figure 1. Timing
t_f
t_su(STOP)
STOP START
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