BQ27520-G4 Datasheet, PDF (20/34 Pages) Texas Instruments – System-Side Impedance Track Fuel Gauge

bq27520-G4
SLUSB20B – NOVEMBER 2012 – REVISED DECEMBER 2015
GAUGING
MODE
SLEEP
HIBERNATE
BAT INSERT
CHECK,
NORMAL,
SNOOZE
Table 3. Approximate Clock Stretch Duration
OPERATING CONDITION or COMMENT
Clock stretch occurs at the beginning of all traffic as the device wakes up.
Clock stretch occurs within the packet for flow control (after a start bit, ACK or first data bit).
Normal Ra table Data Flash updates.
Data Flash block writes.
Restored Data Flash block write after loss of power.
End of discharge Ra table Data Flash update.
www.ti.com
APPROXIMATE
DURATION
5 ms
100 µs
24 ms
72 ms
116 ms
144 ms
20
Submit Documentation Feedback
Product Folder Links: bq27520-G4
Copyright © 2012–2015, Texas Instruments Incorporated