BQ27750 Datasheet, PDF (12/34 Pages) Texas Instruments – Impedance Track Battery Gas Gauge and Protection Solution for 1-Series Cell Li-Ion Battery Packs

bq27750
SLUSCM7 – JUNE 2017
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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_r
REPEATED
START
t_f
t_h(DAT)
t_su(DAT)
Figure 1. I²C Timing
t_su(STOP)
STOP
START
6.27 Typical Characteristics
0.15
0.10
0.05
0.00
±0.05
±0.10
±0.15
±40 ±20 0
Max CC Offset Error
Min CC Offset Error
20 40 60
Temperature (ƒC)
80 100 120
C001
8.0
6.0
4.0
2.0
0.0
±2.0
±4.0
±6.0
±8.0
±40 ±20 0
Max ADC Offset Error
Min ADC Offset Error
20 40 60
Temperature (°C)
80 100 120
C003
Figure 2. CC Offset Error vs. Temperature
1.24
1.23
1.22
1.21
1.20
±40 ±20
0
20
40
60
Temperature (ƒC)
80 100
C006
Figure 3. ADC Offset Error vs. Temperature
264
262
260
258
256
254
252
250
±40 ±20
0
20
40
60
Temperature (ƒC)
80 100
C007
Figure 4. Reference Voltage vs. Temperature
Figure 5. Low-Frequency Oscillator vs. Temperature
12
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