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BQ24705 Datasheet(PDF) 11 Page - Texas Instruments

Part # BQ24705
Description  Host-Controlled Multi-Cell Battery Charger
Download  32 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ24705 Datasheet(HTML) 11 Page - Texas Instruments

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ACSET Varied
-2
-1
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
5
6
InputCurrentRegulationSetpoint- A
4-Cell,VBAT =16V
Iadapt AmplifierGain
-25
-20
-15
-10
-5
0
5
0
1
2
3
4
5
6
7
8
9
10
I
- A
(ACPWR)
V =20V,CHG=EN
I
V =20V,CHG=DIS
I
V =20V,
4-Cell,
V
=16V
I
bat
0
1
2
3
4
5
0
1
2
3
4
SystemCurrent- A
ChargeCurrent
SystemCurrent
InputCurrent
0
1
2
3
4
5
0
2
4
6
8
10
12
14
16
18
BatteryVoltage-V
Ichrg_set=4 A
70
80
90
100
0
2000
4000
6000
8000
BatteryChargeCurrent-mA
T
=20 C
A
o
V =21V
V
=16.8V
I
(BAT)
V =20V
V
=12.6V
I
(BAT)
V =20V
V
=8.4V
I
(BAT)
bq24705
www.ti.com............................................................................................................................................... SLUS779B – DECEMBER 2007 – REVISED MARCH 2009
INPUT CURRENT REGULATION (DPM) ACCURACY
VIADAPT INPUT CURRENT SENSE AMPLIFIER ACCURACY
Figure 12.
Figure 13.
INPUT REGULATION CURRENT (DPM), AND CHARGE
CURRENT
vs
SYSTEM CURRENT
TRANSIENT SYSTEM LOAD (DPM) RESPONSE
Figure 14.
Figure 15.
CHARGE CURRENT REGULATION
EFFICIENCY
vs
vs
BAT VOLTAGE
BATTERY CHARGE CURRENT
Figure 16.
Figure 17.
Copyright © 2007–2009, Texas Instruments Incorporated
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Product Folder Link(s) :bq24705
Not Recommended for New Designs


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