STBC03 Datasheet, PDF (10/34 Pages) STMicroelectronics – Li-Ion linear battery charger with LDO and load switches

Electrical characteristics
STBC03
4
Electrical characteristics
Symbol
VIN=5 V, VBAT = 3.6 V, CLDO = 1 µF, CBAT = 4.7 µF, CIN = 10 µF, CSYS = 1 µF, RISET = 1 kΩ,
SD = GND, CEN = high, RIPRE = 4.7 kΩ, TA = 25 °C, SW_SEL1 = SW_SEL2 = GND,
BATMS_EN = GND, WAKE-UP floating unless otherwise specified.
Table 5: Electrical characteristics
Parameter
Test conditions
Min.
Typ.
Max. Unit
VIN
VINOVP
VINOVPH
VUVLO
VUVLOH
IIN
VFLOAT
IBAT
IFAST
IPRE
VISET
VIPRE
Operating input
voltage
Input overvoltage
protection
Input overvoltage
protection
hysteresis
Undervoltage
lock-out
Undervoltage
lock-out
hysteresis
IN supply current
Battery floating
voltage
BAT pin supply
current
Fast charge
current
Pre-charge
current
ISET regulated
voltage
IPRE regulated
voltage
VFLOAT set 4.2 V, IFAST < 250 mA
VFLOAT set 4.45 V, IFAST < 450 mA,
ISYS = ILDO = 0 mA
VIN rising
VIN falling
VIN falling
VIN rising
Charger disabled mode (CEN = low),
ISYS = ILDO = 0 A
Charging, VHOT < VNTC < VCOLD, including
RISET current
IBAT = 1 mA, BATSNS and BATSNSFV
short to battery terminal
Battery-powered mode (VIN < VUVLO),
ILDO = 0 A
Charge terminated
Shutdown mode (by SWIRE)
Over-discharge mode (VBAT < VODC,
VIN < VUVLO)
RISET = 300 Ω
RISET = 430 Ω, constant-current mode
ILDO+ ISYS < 150 mA
RISET = 1 kΩ, constant-current mode
RIPRE = 10 kΩ, constant-current mode
4.55
4.75
5.6
4.179
5.9
200
3.9
300
600
1.4
4.2
4
9
10
10
650⁽¹⁾
450⁽¹⁾
200
20
1
1
5.4
V
5.4⁽¹⁾
V
6.4
V
mV
V
mV
μA
mA
4.221 V
8
µA
12
µA
50
nA
50
500
mA
mA
V
V
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DocID029927 Rev 2