BATTERY CHARGE TIMERS |
tMAXCHG |
Charge safety timer |
Programmable range |
180 |
|
720 |
min |
tPRECHG |
Precharge safety timer |
|
0.25 * tMAXCHG |
|
WATCHDOG TIMERS |
tWATCHDOG_SW |
SW Watchdog timer |
|
25 |
50 |
|
s |
tHW_RESET_WD |
HW reset watchdog timer |
WATCHDOG_15S_ENABLE = 1 |
15 |
s |
LDO |
tON_LDO |
Turn ON time |
100mA load, to 90% VLDO |
|
500 |
|
µs |
tOFF_LDO |
Turn OFF time |
100mA load, to 10% VLDO |
|
30 |
|
µs |
tPMID_LDO_DELAY |
Delay between PMID and LDO enable during power up |
Startup |
|
20 |
|
ms |
PUSHBUTTON TIMERS (/MR) |
tWAKE1 |
WAKE1 Timer. Time from /MR falling edge to INT being asserted. |
MR_WAKE1_TIMER = 0 |
106 |
125 |
144 |
ms |
MR_WAKE1_TIMER = 1 |
425 |
500 |
575 |
ms |
tWAKE2 |
WAKE2 Timer. Time from /MR falling edge to INT being asserted. |
MR_WAKE2_TIMER = 0 |
0.85 |
1 |
1.15 |
s |
MR_WAKE2_TIMER = 1 |
1.7 |
2 |
2.3 |
s |
tRESET_WARN |
RESET_WARN Timer. Time prior to HW RESET |
MR_RESET_WARN = 00 |
0.42 |
0.5 |
0.58 |
s |
MR_RESET_WARN = 01 |
0.85 |
1 |
1.15 |
s |
MR_RESET_WARN = 10 |
1.27 |
1.5 |
1.73 |
s |
MR_RESET_WARN = 11 |
1.7 |
2 |
2.3 |
s |
tHW_RESET |
HW RESET Timer. Time from /MR falling edge to HW Reset |
MR_HW_RESET = 00 |
3.4 |
4 |
4.6 |
s |
MR_HW_RESET = 01 |
6.8 |
8 |
9.2 |
s |
MR_HW_RESET = 10 |
8.5 |
10 |
11.5 |
s |
MR_HW_RESET = 11 |
11.9 |
14 |
16.1 |
s |
tRESTART(AUTOWAKE) |
RESTART Timer. Time from /MR HW Reset to PMID power up |
AUTOWAKE = 00 |
0.52 |
0.6 |
0.68 |
s |
AUTOWAKE = 01 |
1.05 |
1.2 |
1.35 |
s |
AUTOWAKE = 10 |
2.11 |
2.4 |
2.69 |
s |
AUTOWAKE = 11 |
4.4 |
5 |
5.6 |
s |
PROTECTION |
tDGL_SLP |
Deglitch time for supply rising above VSLP + VSLP_HYS |
|
|
120 |
|
µs |
tDGL_OVP |
Deglitch time for VOVP Threshold |
VIN falling below VOVP |
|
32 |
|
ms |
tDGL_OCP |
Battery OCP deglitch time |
|
|
30 |
|
µs |
tREC_SC |
Recovery time, BAT Short Circuit during Discharge Mode |
|
|
250 |
|
ms |
tRETRY_SC |
Retry window for PMID or BAT short circuit recovery |
|
|
2 |
|
s |
tDGL_SHTDWN |
Deglitch time, Thermal shutdown |
TJ rising above TSHUTDOWN |
|
10 |
|
µs |
I2C INTERFACE |
tWATCHDOG |
I2C interface reset timer for host |
When enabled |
|
50 |
|
s |
tI2CRESET |
I2C interface inactive reset timer |
|
|
500 |
|
ms |
INPUT PINS (/CE and /LP) |
tLP_EXIT_I2C |
Time for device to exit Low-power mode and allow I2C communication |
VIN = 0V. |
|
|
1 |
ms |