CHARGER SECTION |
|
|
Battery discharge current |
|
|
|
2 |
A |
Vo(BATREG) |
Battery charger voltage |
Depending on setting in CHGCONFIG2
And internal EEPROM
Default = 4.20 V (except TPS650721)
Default = 4.10 V (for TPS650721) |
–1% |
4.10 |
1% |
V |
–1% |
4.15 |
1% |
–1% |
4.20 |
1% |
–1% |
4.25 |
1% |
VLOWV |
Precharge to fast-charge transition threshold |
default = 2.9 V set with
Bit <Precharge Voltage> |
|
2.9
2.5 |
|
V |
tDGL1(LOWV) |
Deglitch time on precharge to fast-charge transition |
|
|
25 |
|
ms |
tDGL2(LOWV) |
Deglitch time on fast-charge to precharge transition |
|
|
25 |
|
ms |
ICHG |
Battery fast charge current range |
VBAT(REG) > VBAT > VLOWV, VIN = VAC or VUSB = 5 V |
100 |
|
1500 |
mA |
ICHG |
Battery fast charge current |
VBAT > VLOWV, VIN = 5 V, IIN-MAX > ICHG, no load on SYS pin, thermal loop not active, DPPM loop not active |
KISET/RISET |
A |
KISET |
Fast charge current factor |
for a charge current of 1500 mA |
820 |
950 |
1080 |
AΩ |
KISET |
Fast charge current factor |
for a charge current of 100 mA |
890 |
1050 |
1200 |
AΩ |
IPRECHG |
Precharge current |
|
0.06× ICHG |
0.1× ICHG |
0.14× ICHG |
A |
ITERM |
Charge current value for termination detection threshold (internally set) |
|
0.08× ICHG |
0.1× ICHG |
0.13× ICHG |
A |
tDGL(TERM) |
Deglitch time, termination detected |
|
|
25 |
|
ms |
VRCH |
Recharge detection threshold |
Voltage below nominal charger voltage |
150 |
100 |
65 |
mV |
tDGL(RCH) |
Deglitch time, recharge threshold detected |
|
|
125 |
|
ms |
tDGL(NO-IN) |
Delay time, input power loss to charger turn-off |
VBAT = 3.6V. Time measured from
VIN: 5V → 3.3V 1µs fall-time |
|
20 |
|
ms |
IBAT(DET) |
Sink current for battery detection |
|
3 |
|
10 |
mA |
tDET |
Battery detection timer |
|
|
250 |
|
ms |
TCHG |
Charge safety timer |
Safety timer range, thermal and DPM not active selectable by I2C with Bits <ChargeSafetyTimerValue1> <ChargeSafetyTimerValue0> |
–15% |
4
5
6
8 |
15% |
h |
TPRECHG |
Precharge timer |
Pre charge timer range, thermal and DPM/DPPM loops not active scalable with <Precharge Time> |
25
50 |
30
60 |
35
70 |
min |
TPCHGADD |
Precharge safety timer “add-on” time range |
Maximum value for precharge safety timer, thermal, DPM or DPPM loops always active |
0 |
|
2×TCHG |
h |
BATTERY-PACK NTC MONITOR |
RT1 |
Pullup resistor from thermistor to Internal LDO . I2C selectable |
10 k curve 2 NTC |
–2% |
7.35 |
2% |
kΩ |
100 k curve 1 NTC |
–2% |
62.5 |
2% |
kΩ |
VHOT |
High temperature trip point (set to 45°C) |
Battery charging |
|
860 |
|
mV |
VHYS(HOT) |
Hysteresis on high trip point (set to 3°C) |
Battery charging |
|
50 |
|
mV |
VCOLD |
Low temperature trip point (set to 0°C) |
Battery charging |
|
1660 |
|
mV |
VHYS(COLD) |
Hysteresis on low trip point (set to 3°C) |
Battery charging |
|
50 |
|
mV |
VnoNTC |
No NTC detected |
NTC error |
|
2000 |
|
mV |
THRMDLY |
Deglitch time for thermistor detection after thermistor power on |
|
3 |
|
|
ms |
tDGL(TS) |
Deglitch time, pack temperature fault detection |
Battery charging |
|
50 |
|
ms |
THERMAL REGULATION |
|
TJ(REG) |
Temperature regulation limit |
If temperature is exceeded, charge current is reduced |
115 |
125 |
135 |
°C |
TJ(OFF) |
Charger thermal shutdown |
|
|
155 |
|
°C |
TJ(OFF-HYS) |
Charger thermal shutdown hysteresis |
|
|
20 |
|
°C |