English
Language : 

BQ24105-Q1 Datasheet, PDF (4/35 Pages) Texas Instruments – SYNCHRONOUS SWITCHMODE, LI-ION AND LI-POLYMER CHARGE-MANAGEMENT IC WITH INTEGRATED POWER FETs ( bqSWITCHER™)
◁
bq24105-Q1
SLUS953 – AUGUST 2009................................................................................................................................................................................................. www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
TJ = 0°C to 125°C and recommended supply voltage range (unless otherwise stated)
PARAMETER
TEST CONDITIONS
Temperature Comparator and VTSB Bias Regulator
%LTF
%HTF
%TCO
Cold temperature threshold, TS, % of bias
Hot temperature threshold, TS, % of bias
Cutoff temperature threshold, TS, % of
bias
VLTF = VO(VTSB) × % LTF/100
VHTF = VO(VTSB) × % HTF/100
VTCO = VO(VTSB) × % TCO/100
LTF hysteresis
tdg-TS
Deglitch time for temperature fault, TS
VO(VTSB) TS bias output voltage
VO(VTSB) TS bias voltage regulation accuracy
Battery Recharge Threshold
Both rising and falling,
2-mV overdrive tRISE, tFALL = 100 ns
VCC > VIN(min),
I(VTSB) = 10 mA 0.1 µF ≤ CO(VTSB) ≤ 1 µF
VCC > IN(min),
I(VTSB) = 10 mA 0.1 µF ≤ CO(VTSB) ≤ 1 µF
VRCH
Recharge threshold voltage
tdg-RCH
Deglitch time
Stat1, Stat2, and PG Outputs
Below VOREG
VI(BAT) < decreasing below threshold,
tFALL = 100 ns 10-mV overdrive
VOL(STATx)
VOL(PG)
CE Input
Low-level output saturation voltage, STATx IO = 5 mA
Low-level output saturation voltage, PG
IO = 10 mA
VIL
VIH
TTC Input
Low-level input voltage
High-level input voltage
IIL = 5 µA
IIH = 20 µA
tPRECHG
tCHARGE
KTTC
CTTC
VTTC_EN
Precharge timer
Programmable charge timer range
Charge timer accuracy
Timer multiplier
Charge time capacitor range
TTC enable threshold voltage
t(CHG) = C(TTC) × K(TTC)
0.01 µF ≤ C(TTC) ≤ 0.18 µF
V(TTC) rising
MIN
72.8%
33.7%
28.7%
0.5%
20
–10%
75
20
0
1.3
1440
25
-10%
0.01
TYP
73.5%
34.4%
29.3%
1%
30
3.15
100
30
1800
2.6
200
MAX UNIT
74.2%
35.1%
29.9%
1.5%
40
ms
V
10%
125 mV/cell
40
ms
0.5
V
0.1
0.4
V
VCC
2160
572
10%
0.22
s
minutes
min/nF
µF
mV
4
Submit Documentation Feedback
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): bq24105-Q1
 ▷