STBC03 Datasheet, PDF (11/34 Pages) STMicroelectronics – Li-Ion linear battery charger with LDO and load switches

STBC03
Symbol
Parameter
VPRE
Pre-charge to fast
charge battery
voltage threshold
IEND
End-of-charge
current
VOCHG
Battery voltage
overcharge
threshold
VODC
VODCR
VWAKE-UP
RON-IS
RON-BS
RON-
BATMS
RON-
LOADSW1
Battery voltage
over-discharge
threshold
Battery voltage
over-discharge
release threshold
Wake-up voltage
threshold
Input to SYS on-
resistance
Battery to SYS
on-resistance
BATSNS to
BATMS on-
resistance
Input to output
load switch 1
resistance
RON-
LOADSW2
Input to output
load switch 2
resistance
VOL
Output low level
(CHG)
High level open
IOHZ
drain output
current (CHG)
Logic low input
level (CEN,
VIL
SW_SEL1,
SW_SEL2,
BATMS_EN, SD)
Logic high input
level (CEN,
VIH
SW_SEL1,
SW_SEL2,
BATMS_EN, SD)
RUP
CEN pull-up
resistor
Test conditions
Charger active
Charging in CV mode for 20 mA < IFAST
Charging in CV mode for IFAST< 20 mA
VBAT rising, BATSNSFV short to battery
terminal
VBAT rising, external resistor between
BATSNSFV and battery terminal
VIN < VUVLO, ILDO = 150 mA, BATSNSFV
and BATSNS short to battery terminal
VUVLO < VIN < VOVP, ILDO = 150 mA,
BATSNSFV and BATSNS short to
battery terminal
VBAT>3 V rising, ILDO = 150 mA
ISINK = 500 µA
VSW1_I = 1.8 V to 5 V SW1_OA or
SW1_OB test current = 50 mA
VSW2_I = 1.8 V to 5 V
SW2_OA or
SW2_OB test current = 50 mA
ISINK = 5 mA
VOH = 5 V
Electrical characteristics
Min.
Typ.
Max. Unit
3
V
5
%IFAST
See Table 10: "IFAST and IEND"
4.245 4.275 4.305 V
VFLOAT+75
mV
2.750
2.8
2.850 V
3.0
VBAT
0.25
0.35
290
V
V
0.35
Ω
0.4
Ω
550
Ω
2.0
3.8
Ω
2.0
3.4
Ω
0.4
V
1
μA
0.4
V
1.6
V
375
500
625
kΩ
DocID029927 Rev 2
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