BQ27546-G1 Datasheet, PDF (8/38 Pages) Texas Instruments – nullSingle-Cell Li-Ion Battery Fuel Gauge

bq27546-G1
SLUSC53A – MAY 2015 – REVISED DECEMBER 2015
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t_SU(STA)
SCL
t_w(H)
t_w(L)
t_f
t_r
t_(BUF)
SDA
t_d(STA)
t_f
t_r
t_h(DAT)
t_su(DAT)
t_su(STOP)
REPEATED
START
STOP
START
Figure 2. I²C-Compatible Interface Timing Diagrams
8.15 Typical Characteristics
2.65
2.6
2.55
2.5
2.45
2.4
2.35
VREGIN = 2.7 V
VREGIN = 4.5 V
Temperature (qC)
D001
8.8
8.7
8.6
8.5
8.4
8.3
8.2
8.1
8
-40 -20
0
20
40
60
Temperature (qC)
80 100
D002
Figure 3. Regulator Output Voltage Vs. Temperature
34
33.5
33
32.5
32
31.5
31
30.5
30
-40 -20
0
20
40
60
Temperature (qC)
80 100
D003
Figure 4. High-Frequency Oscillator Frequency Vs.
Temperature
5
4
3
2
1
0
-1
-2
-3
-4
-5
-30 -20 -10 0 10 20 30 40 50 60
Temperature (qC)
D004
Figure 5. Low-Frequency Oscillator Frequency Vs.
Temperature
Figure 6. Reported Internal Temperature Measurement Vs.
Temperature
8
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