STBC02 datasheet(11/39 Pages) STMICROELECTRONICS

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STBC02

Electrical characteristics

DocID029261 Rev 2

11/39

Electrical characteristics

VIN=5 V, VBAT=3.6 V, CLDO=1 µF, CBATT=4.7 µF, CIN=10 µF, CSYS=1 µF, RISET

=1 kΩ, SD=low,

CEN=high, RIPRE

=4.7 kΩ, TA=25 °C, SW_SEL=GND or LDO, RESET_NOW=GND or LDO,

WAKE-UP floating unless otherwise specified.

Table 5: Electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input voltage

VFLOAT set 4.2 V,

IFAST < 250 mA

4.55

5.4

VFLOAT set 4.45 V,

IFAST < 450 mA, ISYS=ILDO=0

4.75

5.4(1)

VINOVP

Input overvoltage

protection

VIN rising

5.6

6.0

6.4

VINOVPH

Input overvoltage

protection hysteresis

VIN falling

200

VUVLO

Undervoltage lock-out

VIN falling

3.9

VUVLOH

Undervoltage lock-out

hysteresis

VIN rising

300

IIN

IN supply current

Charger disabled mode

(CEN = low), ISYS=ILDO=0 A

600

μA

Charging, VHOT < VNTC <

VCOLD, including RISET

current

1.4

VFLOAT

Battery floating voltage

IBAT=1 mA, BATSNS and

BATSNSFV short to

battery terminal

4.179

4.2

4.221

IBAT

BAT pin supply current

Battery-powered mode

(VIN<VUVLO), ILDO=0 A

µA

Charge terminated

µA

Shutdown mode (by

SWIRE)

Over-discharge mode

(VBAT<VODC, VIN <VUVLO)

IFAST

Fast charge current

RISET

=430 Ω, constant-

current mode ILDO+

ISYS<150 mA

450

500

RISET

=1 kΩ, constant-

current mode

200

IPRE

Pre-charge current

RIPRE

=10 kΩ, constant-

current mode

VISET

ISET regulated voltage

VIPRE

IPRE regulated voltage

VPRE

Pre-charge to fast

charge battery voltage

threshold

Charger active

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