Datasheet

DocID024654 Rev 2 7/29
STNS01 Electrical characteristics
5 Electrical characteristics
The values given in the following table are valid for - 40 °C < T
J
< + 85 °C, V
IN
= 5 V,
V
BAT
= 3.6 V, C
LDO
= 1 μF, C
BATT
= 4.7 μF, C
IN
= C
SYS
= 2.2 μF, R
ISET
= 1 kΩ, SD = Low,
CEN = High, unless otherwise specified.
Table 6. Electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
IN
Operating input voltage 4.55 5.4 V
V
INOVP
Input overvoltage protection V
IN
rising 5.6 5.9 6.2 V
V
INOVPH
Input overvoltage protection
hysteresis
V
IN
falling 200 mV
V
UVLO
Undervoltage lockout V
IN
falling 3.95 4.18 4.35 V
V
UVLOH
Undervoltage lockout hysteresis V
IN
rising 300 mV
I
IN
IN supply current
Charger disable mode (CEN=Low),
I
SYS
= I
LDO
= 0 A
400 μA
Charging, V
HOT
< V
NTC
< V
COLD
,
including R
ISET
current
1.4 mA
V
FLOAT
Battery floating voltage I
BAT
= 1 mA 4.158 4.2 4.242 V
I
BAT
BAT pin supply current
Battery-powered mode
(V
IN
<V
UVLO
), I
LDO
= 0 A
610μA
Standby mode, charge terminated 6 10 μA
Shutdown mode (SD = High) 100 500
nA
Overdischarge mode
(V
BAT
< V
ODC
, V
IN
< V
UVLO
)
100 500
I
FAST
Fast-charge current
R
ISET
= 1 kΩ, constant-current
mode
180 200 220
mA
R
ISET
= 13 kΩ, constant-current
mode
12 15 18
R
ISET
= 500 Ω, constant-current
mode I
LDO
+ I
SYS
< 100 mA
400
R
ISET
Fast-charge programming
resistor range
113kΩ
V
ISET
ISET regulated voltage 1 V
V
PRE
Pre-charge to fast-charge
battery voltage threshold
Charger active 3 V
I
PRE
Pre-charge current V
BAT
< 3 V, charger active 20 %I
FAST
I
END
End-of-charge current Charging in CV mode 10 %I
FAST
V
OCHG
Battery voltage overcharge
threshold
V
BAT
rising 4.245 4.275 4.305 V
V
ODC
Battery voltage overdischarge
threshold
V
IN
< V
UVLO
, I
LDO
= 100 mA 2.750 2.8 2.850 V