BQ24001 Datasheet, PDF (3/23 Pages) Texas Instruments – SINGLE-CELL Li-ION CHARGE MANAGEMENT IC FOR PDAs AND INTERNET APPLIANCES

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bq24001
bq24002
bq24003
SLUS462D – SEPTEMBER 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 ≤ VIL(EN)
EN ≤ VIL(EN)
VCC < VCC_UVLO,
EN <= VilEN,
EN ≤ VIH(EN)
VOUT = 4.3 V,
VOUT = 4.3 V,
VSENSE = 4.3V
VSENSE = 4.3 V
1
1
10
2
4
2
4
UNIT
mA
µA
µA
µA
VOLTAGE REGULATION, 0°C ≤ T_J ≤ 125°C
PARAMETER
TEST CONDITIONS
Output voltage
Load regulation
VSEL = VSS,
VSEL = VCC,
1 mA ≤ IO ≤ 1.2 A,
VCC =5 V,
0 < IO ≤ 1.2 A
0 < IO ≤ 1.2 A
VI(IN)= 5 V,
TJ = 25°C
Line regulation
Dropout voltage = VI(IN)-Vout
VOUT+VDO+Vilim(MAX) < VI(VCC) < 10 V, TJ = 25°C
IO = 1.0 A,
4.9 V <VI(Vcc)< 10 V
IO = 1.2 A, VOUT+VDO+VilimMAX <VI(VCC)< 10 V
MIN
4.059
4.158
TYP
4.10
4.20
MAX
4.141
4.242
UNIT
V
V
1
mV
0.01
%/V
0.7 V
0.8 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 VVLOWV to IO = 10% of
regulated value(1)
Rise time
IO increasing from 10% to 90% of regulated value.
RSNS≥ 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
Externalcurrentsenseresistorrange(RSNS) 100 mA ≤ Ilim ≤ 1.2 A
MIN TYP MAX UNIT
0.083
1Ω
PRECHARGE CURRENT REGULATION, 0°C ≤ T_J ≤ 125°C
PARAMETER
TEST CONDITIONS
Precharge current regulation
VSENSE<VLOWV, 0.083 ≤ RSNS ≤ 1.0 Ω
MIN TYP MAX UNIT
40
60
80 mA
V_CC UVLO COMPARATOR, 0°C ≤ T_J ≤ 125°C
PARAMETER
Start threshold
Stop threshold
Hysteresis
TEST CONDITIONS
MIN TYP MAX UNIT
4.35 4.43 4.50 V
4.25 4.33 4.40 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
2.80 2.90 3.00 V
3.00 3.10 3.20 V
100
mV
3