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ELECTRICAL CHARACTERISTICS (Continued)

mA

kW

Volts

bq2406x

SLUS689A – JUNE 2006 – REVISED OCTOBER 2006

over recommended operating, T

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOLTAGE REGULATION, V(IN)

≥ V

DETECTED

Output voltage

bq24060/61/63/64

4.20

V

–0.5%

0.5%

Voltage regulation accuracy

–1%

1%

Dropout voltage, V(IN) – V(OUT)

750

mV

Output current range

100

1000

mA

Output current set voltage

2.45

2.50

2.55

V

100 mA

≤ I

315

335

355

Output current set factor

10 mA

≤ I

315

372

430

External resistor range

Resistor connected to ISET pin

0.7

10

k

Ω

Input power detection to full

Measured from PG:HI

→ LO to I(OUT) > 100 mA,

25

35

ms

charge current time delay

Measured from CE:HI

→ LO to I(OUT) >100 mA,

Charge enable to full charge

25

35

ms

current delay

power detected

Measured from PG:HI

→ LO to V(OUT) > 90% of

Input power detection to voltage

charge voltage regulation;

regulation delay, LDO mode set,

25

35

ms

no battery or load connected

load at OUT pin, CE = LO

PRECHARGE AND OUTPUT SHORT-CIRCUIT CURRENT REGULATION, V(IN)–V(OUT) > V(DO-MAX) , V(IN)

≥ 4.5V, CHARGER

ENABLED, NO FAULT CONDITIONS DETECTED, RTMR = 50K or V(TMR)=OPEN; Thermal regulation loop not active

Precharge to fast-charge transition

2.8

2.95

3.15

V

threshold

Precharge to short-circuit

1.2

1.4

1.6

transition threshold

V

Short-circuit indication

1.6

1.8

2.0

Precharge current range

10

100

mA

Precharge set voltage

225

250

280

mV

15

22

30

V

Output shorted regulation current

mA

VSS, Internal pullup resistor

25

TEMPERATURE REGULATION (Thermal regulation™), CHARGER ENABLED, NO FAULT CONDITIONS DETECTED

V(IN) = 5.5 V, V(BAT) = 3.2 V, Fast charge

Temperature regulation limit

101

112

125

°C

current set to 1A

Minimum current in thermal

V(LOWV) < V(BAT) < VO(REG), 0.7k

Ω < RISET

200

250

mA

regulation

< 3.5k

Ω

4

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