| Symbol | Description | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|
| VBATPOR | VBAT power-on reset release voltage | 2.75 | V | ||
| VBATBOR | VBAT brownout reset trigger | 2.4 | V | ||
| VBATLOW | Minimum VBAT voltage for charging | 2.1 | V | ||
| VRECHARGE | Battery voltage level needed to restart charging, % of VTERM | 95 | % | ||
| VTERMACC |
Accuracy of termination voltage VBUS = 5.0 V TJ > 0°C |
-1 | +1 | % | |
| VTERM | Range of termination voltage |
3.50 to 3.65 4.00 to 4.45 |
V | ||
| VTERMR | Range of termination voltage for NTCHOT > T > NTCWARM |
3.50 to 3.65 4.00 to 4.45 |
V | ||
| VTERM_STEP | Termination voltage step size | 50 | mV | ||
| ICHG | Range of constant currents | 32 to 800 | mA | ||
| ICHGACC | Constant current accuracy | -10 | 10 | % | |
| ICHGSTEP | Charging current step | 2 | mA | ||
| ITRICKLE | Trickle charging current, % of ICHG | 10 | % | ||
| ICOOL | Reduced charging current, % of ICHG | 50 | % | ||
| ITERM | Termination current, % of ICHG |
10 20 |
% | ||
| VTRICKLE_FAST | Default threshold where trickle charging stops and constant current charging starts | 2.9 | V | ||
| VCHDROPOUT | Charger dropout voltage | 60 | mV | ||
| IBATLIMLOW | Discharging battery current limit on low setting | 2001 | mA | ||
| IBATLIMHIGH | Discharging battery current limit on high setting | 11 | A | ||
| RONCHARGER | Resistance between pins VBAT and VSYS | 160 | mΩ | ||
| VSYSBELOW_VBAT | VSYS below VBAT comparator threshold, VBAT - VSYS, VSYS falling | 75 | mV | ||
| tSWITCH |
Dynamic power-path switching time (2.8 V < VBAT < 5.5 V) |
161 | μs | ||
| TACC | Temperature accuracy when using suggested NTC | ±2 | °C | ||
| TCHGSTOP | Die temperature where charging stops (default) | 110 | °C | ||
| TCHGRESUME | Die temperature where charging resumes (default) | 100 | °C | ||
| tOUTTRICKLE | Trickle charging timeout | 10 | min | ||
| tOUTCHARGE | Charging timeout which covers constant current and constant voltage | 7 | h |
1 Validated through simulation.