BQ24013 Datasheet, PDF (3/21 Pages) Texas Instruments – SINGLE-CHIP, LI-ION CHARGE MANAGEMENT IC FOR HANDHELD APPLICATIONS (bq TINY)

bq24010, bq24012, bq24013, bq24014
www.ti.com
SLUS530F − SEPTEMBER 2002 − REVISED AUGUST 2005
ELECTRICAL CHARACTERISTICS
over 0_C ≤ TJ ≤ 125_C and recommended supply voltage, unless otherwise noted
PARAMETER
TEST CONDITIONS
INPUT CURRENT
VCC current, ICC(VCC)
Sleep current, ICC(SLP)
VCC > VCC(min), STATx pins in OFF state
Sum of currents into OUT and BAT pins,
VCC < V(SLP)
Input bias current on BAT pin, IIB(BAT)
Input current on TS pin, IIB(TS)
VI(TS) ≤ 10 V
Input current on CE pin, IIB(CE)
Input bias current on TTE pin, IIB(TTE)
VOLTAGE REGULATION VO(REG) + V(DO−MAX) ≤ VCC , I(TERM) < IO(OUT) ≤ 1 A
Output voltage, VO(REG)
Voltage regulation accuracy
TA = 25_C
Dropout voltage (V(IN) − V(OUT)), V(DO)
CURRENT REGULATION
VO(REG) + V(DO−MAX)) ≤ VCC, IO(OUT) = 1A
Output current range, IO(OUT) ⁽¹⁾
VCC ≥ 4.5 V, VIN ≥ 4.5 V, VI(BAT) > V(LOWV),
VIN − VI(BAT) > V(DO−MAX)
Output current set voltage, V(SET)
Voltage on ISET pin, VCC ≥ 4.5 V, VIN ≥ 4.5 V,
VI(BAT) > V(LOWV), VIN − VI(BAT) > V(DO−MAX)
VO(REG) = 4.2 V
50 mA ≤ IO(OUT) ≤ 1000 mA, VI(ISET) ≥ V(TAPER)
Output current set factor, K(SET)
10 mA ≤ IO(OUT) < 50 mA,
10 mA ≤ IO(OUT) < 50 mA,
VI(ISET) ≥ V(TAPER)
VI(ISET) < V(TAPER)
PRECHARGE AND SHORT-CIRCUIT CURRENT REGULATION
Precharge to fast-charge transition
threshold, V(LOWV)
Voltage on BAT pin
Precharge to short-circuit transition
threshold, V(SC)
Precharge range, IO(PRECHG)(2)
Voltage on BAT pin
V(SC) < VI(BAT) < V(LOWV), t < t(PRECHG)
Precharge set voltage, V(PRECHG)
Voltage on ISET pin, V(SC) < VI(BAT) < V(LOWV)
Short circuit current, ISC
V(SC) > VI(BAT)
CHARGE TAPER AND TERMINATION DETECTION
Charge taper detection range, I(TAPER)(3) VI(BAT) > V(RCH), t < t(TAPER)
Charge taper detection set voltage,
V(TAPER)
Voltage on ISET pin,
t < t(TAPER),
VI(BAT) > V(RCH),
VI(BAT) = VO(REG)
Charge termination detection set voltage,
V(TERM)
Voltage on ISET pin,
VI(BAT) = VO(REG),
VI(BAT)>V(RCH),I(TERM)=K(SET)×V(TERM) /R(SET)
TEMPERATURE COMPARATOR
Lower threshold, V(TS1)
Upper threshold, V(TS2)
Hysteresis
Voltage on TS pin
Voltage on TS pin
(1)
ǒ Ǔ _{IO(OUT) +}
K_(SET) V_(SET)
R_SET
(2)
ǒ Ǔ _{IO(PRECHG) +}
K_(SET) V_(PRECHG)
R_SET
(3)
ǒ Ǔ _{IO(TAPER) +}
K_(SET) V_(TAPER)
R_SET
MIN
0
−0.5%
−1%
100
2.45
315
315
350
2.80
1.0
10
225
660
10
225
5.0
29
60
TYP
3.5
4.20
650
2.50
335
372
2.95
1.4
250
900
250
17.5
30
61
1
MAX UNIT
5
mA
5
µA
500
nA
1
1
µA
1
V
0.5%
1%
790
mV
1000
mA
2.55
V
355
430
1000
3.10
V
1.8
100
mV
280
1200
µA
100
mA
275
mV
50.0
31
62
%VCC
3