BQ24004 Datasheet, PDF (3/22 Pages) Texas Instruments – TWO-CELL Li-ION CHARGE MANAGEMENT IC FOR PDAs AND INTERNET APPLIANCES

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bq24004
bq24005
bq24006
SLUS476B – DECEMBER 2000 – REVISED MAY 2002
ELECTRICAL CHARACTERISTICS
over recommended operating junction temperature supply and input voltages, and VI (VCC) ≥ VI (IN) ( unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX
VCC current
VCC current, standby mode
IN current, standby mode
Standby current (sum of currents into
OUT and VSENSE pins)
VCC > VCC_UVLO,
EN ≤ V(ILEN)
EN ≤ V(ILEN)
VCC < VCC_UVLO,
EN ≤ V(ILEN),
EN ≤ V(IHEN)
VO(OUT) = 8.6 V,
VO(OUT) = 8.6 V,
VSENSE = 8.6V
VSENSE = 8.6 V
1
1
10
2
8
2
8
UNIT
mA
µA
µA
µA
VOLTAGE REGULATION, 0°C ≤ T_J ≤ 125°C
PARAMETER
TEST CONDITIONS
Output voltage
VSEL = VSS,
VSEL = VCC,
0 < IO ≤ 1.2 A
0 < IO ≤ 1.2 A
Load regulation
1 mA ≤ IO ≤ 1.2 A,
VCC =10 V,
VI(IN)= 5 V,
TJ = 25°C
Line regulation
VO(OUT)+VDO+V(ilim)MAX < VI(VCC) < 10 V, TJ = 25°C
Dropout voltage = VI(IN)-Vout
IO = 1.2 A, VO(OUT)+V(DO)+V(ilim)MAX < VI(VCC) < 10 V
MIN
8.118
8.316
TYP
8.20
8.40
MAX
8.282
8.484
UNIT
V
V
1
mV
0.01
%/V
0.5 V
CURRENT REGULATION, 0°C ≤ T_J ≤ 125°C
PARAMETER
TEST CONDITIONS
Current regulation threshold, , VI(limit)
Delay time
VSENSE < VO(VSEL-LOW/HIGH)
VSENSE pulsed above V(LOWV) to IO = 10% of
regulated value(1)
Rise time
IO increasing from 10% to 90% of regulated value.
R(SNS)≥ 0.2 Ω, ⁽¹⁾
(1) _{Specified by design, not production tested.}
MIN
0.095
TYP MAX UNIT
0.1 0.105 V
1 ms
0.1
1 ms
CURRENT SENSE RESISTOR, 0°C ≤ T_J ≤ 125°C
PARAMETER
TEST CONDITIONS
ExternalcurrentsenseresistorrangeR(SNS) 100 mA ≤ (ilim) ≤ 1.2 A
PRECHARGE CURRENT REGULATION, 0°C ≤ T_J ≤ 125°C
PARAMETER
TEST CONDITIONS
Precharge current regulation
VSENSE<V(LOWV), 0.083 ≤ R(SNS) ≤ 1.0 Ω
V_CC UVLO COMPARATOR, 0°C ≤ T_J ≤ 125°C
PARAMETER
Start threshold
Stop threshold
Hysteresis
TEST CONDITIONS
MIN TYP MAX UNIT
0.083
1Ω
MIN TYP MAX UNIT
40
60
80 mA
MIN TYP MAX UNIT
8.75 8.9 9.0 V
8.50 8.66 8.8 V
50
mV
APG/THERM COMPARATOR, 0°C ≤ T_J ≤ 125°C
PARAMETER
Upper trip threshold
Lower trip threshold
Input bias current
TEST CONDITIONS
MIN
1.480
0.545
TYP
1.498
0.558
MAX
1.515
0.570
1
UNIT
V
V
µA
LOWV COMPARATOR, 0°C ≤ T_J ≤ 125°C
PARAMETER
Start threshold
Stop threshold
Hysteresis
TEST CONDITIONS
MIN TYP MAX UNIT
5.60 5.75 5.90 V
6.10 6.25 6.40 V
100
mV
3