Datasheet

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ELECTRICAL CHARACTERISTICS (Continued)
mA kW
Volts
bq2406x
SLUS689A – JUNE 2006 – REVISED OCTOBER 2006
over recommended operating, T
J
= 0–125 ° C range, See the Application Circuits section, typical values at T
J
= 25 ° C (unless
otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VOLTAGE REGULATION, V(IN) ≥ V
O(REG)
+ V
(DO-MAX)
, I
(TERM)
< I
(OUT)
< I
O(OUT)
, CHARGER ENABLED, NO FAULT CONDITIONS
DETECTED
V
O(REG)
Output voltage bq24060/61/63/64 4.20 V
T
A
= 25 ° C –0.5% 0.5%
V
O(TOL)
Voltage regulation accuracy
–1% 1%
V
(DO)
Dropout voltage, V(IN) – V(OUT) I
(OUT)
= 1 A 750 mV
CURRENT REGULATION , V(IN) > V(OUT) > V
(DO-MAX)
, CHARGER ENABLED, NO FAULT CONDITIONS DETECTED
V
(BAT)
> V
(LOWV)
, I
O(OUT)
= I
(OUT)
= K
(SET)
×
I
O(OUT)
Output current range 100 1000 mA
V
(SET)
/R
SET
V
(SET)
Output current set voltage V(ISET) = V
(SET)
, V
(LOWV)
< V(BAT) ≤ V
O(REG)
2.45 2.50 2.55 V
100 mA ≤ I
O(OUT)
≤ 1000 mA 315 335 355
K
(SET)
Output current set factor
10 mA ≤ I
O(OUT)
< 100 mA 315 372 430
R
ISET
External resistor range Resistor connected to ISET pin 0.7 10 k Ω
VOLTAGE AND CURRENT REGULATION TIMING, V(IN) > V(OUT) + V
(DO-MAX)
, CHARGER ENABLED, NO FAULT CONDITIONS
DETECTED, R
TMR
= 50K or V(TMR) = OPEN; Thermal regulation loop not active
Input power detection to full Measured from PG:HI → LO to I(OUT) > 100 mA,
T
PWRUP(CHG)
25 35 ms
charge current time delay CE = LO, I
O(OUT)
= 1 A, V(BAT) = 3.5 V
Measured from CE:HI → LO to I(OUT) >100 mA,
Charge enable to full charge
T
PWRUP(EN)
I
O(OUT)
= 1A, V
(BAT)
= 3.5 V, V
(IN)
= 4.5 V, Input 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;
T
PWRUP(LDO)
regulation delay, LDO mode set, 25 35 ms
V
(TMR)
= OPEN, LDO mode set, no battery and no
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
V
(LOWV)
V
(BAT)
increasing 2.8 2.95 3.15 V
threshold
Precharge to short-circuit
V
(SC)
V
(BAT)
decreasing 1.2 1.4 1.6
transition threshold
V
V
(SCIND)
Short-circuit indication V
(BAT)
decreasing 1.6 1.8 2.0
V
(SC)
< V
I(BAT)
< V
(LOWV)
, t < T
(PRECHG)
I
O(PRECHG)
Precharge current range 10 100 mA
I
O(PRECHG)
= K
(SET)
× V
(PRECHG
)/R
(ISET)
V
(ISET)
= V
(PRECHG)
, V
(SC)
< V
I(BAT)
< V
(LOWV)
,
V
(PRECHG)
Precharge set voltage 225 250 280 mV
t < T
(PRECHG)
V
POR
< V
IN
< 6.0
15 22 30
V
SS
≤ V
(BAT)
≤ V
(SCI)
,
V
I
O(SHORT)
Output shorted regulation current I
O(SHORT)
= I
(OUT)
, V
(BAT)
= mA
6.0 V < V
IN
<
VSS, Internal pullup resistor
25
V
OVP
TEMPERATURE REGULATION (Thermal regulation™), CHARGER ENABLED, NO FAULT CONDITIONS DETECTED
V(IN) = 5.5 V, V(BAT) = 3.2 V, Fast charge
T
J(REG)
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
I
(MIN_TJ(REG))
200 250 mA
regulation < 3.5k Ω
4
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