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BQ24010DRCR Datasheet(PDF) 3 Page - Texas Instruments

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Part # BQ24010DRCR
Description  SINGLE-CHIP, LI-ION CHARGE MANAGEMENT IC FOR HANDHELD APPLICATIONS (bq TINY)
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24010DRCR Datasheet(HTML) 3 Page - Texas Instruments

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


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