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PDF APL3205A Data sheet ( Hoja de datos )
| Número de pieza | APL3205A | |
| Descripción | (APL3205A/B) Li+ Charger Protection IC | |
| Fabricantes | ANPEC | |
| Logotipo |  |
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APL3205A/B
Li+ Charger Protection IC
Features
• Input Over-Voltage Protection
• Programmable Input Over-Current Protection
• Battery Over-Voltage Protection
• Over-Temperature Protection
• High Immunity of False Triggering
• High Accuracy Protection Thresholds
• Fault Status Indication
• Enable Input
• Available in TDFN2x2-8 Package
• Lead Free and Green Devices Available
(RoHS Compliant)
Applications
• Smart Phones and PDAs
• Digital Still Cameras
• Portable Devices
Simplified Application Circuit
General Description
The APL3205A/B provide completed Li+ charger protec-
tions against over-voltage, over-current, and battery over-
voltage. The IC is designed to monitor input voltage, in-
put current, and battery voltage. When any of the moni-
tored parameters are over the threshold, the IC removes
the power from the charging system by turning off an in-
ternal switch. All protections also have deglitch time
against false triggering due to voltage spikes or current
transients. The APL3205A/B also provide over-tempera-
ture protection, a FAULT output pin to indicate the fault
conditions, and the EN pin to allow the system to disable
the IC.
Pin Configuration
IN 1
GND 2
PSW 3
FAULT 4
8 OUT
7 ILIM
6 BAT
5 EN
TDFN2x2-8 (Top View)
5V Adapter or USB
IN OUT
APL3205A/B
EN FAULT
PSW
ILIM BAT
GND
Charger Input
Charger Output
and System
Li+
Battery
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
Rev. A.3 - Jun., 2011
1
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/
1 page  
APL3205A/B
Typical Operating Characteristics
Input OVP Threshold vs. Junction
Temperature
6.00
APL3205A
5.95
5.90
5.85
5.80
VIN Increasing
5.75
5.70
5.65
5.60
VIN Decreasing
5.55
-50
-25 0 25 50 75 100 125
Junction Temperature (oC)
Battery OVP Threshold vs.
Junction Temperature
4.40
4.35
4.30
VBAT Increasing
4.25
4.20
4.15
4.10
4.05
VBAT Decreasing
4.00
-50 -25 0 25 50 75 100 125
Junction Temperature (oC)
IN Supply Current vs. Junction
Temperature
150
125
100
EN = high
75
50
-50
-25 0 25 50 75 100
Junction Temperature (oC)
125
Copyright © ANPEC Electronics Corp.
Rev. A.3 - Jun., 2011
5
Input OVP Threshold vs. Junction
Temperature
7.00
APL3205B
6.95
6.90
6.85
6.80
VIN Increasing
6.75
6.70
6.65
6.60
VIN Decreasing
6.55
6.50
-50 -25
0
25 50 75 100 125
Junction Temperature (oC)
OCP Threshold vs. Junction
Temperature
1200
1150
1100
1050
1000
950
900
850
800
-50
2.80
-25 0 25 50 75 100 125
Junction Temperature (oC)
POR Threshold vs. Junction
Temperature
2.70
2.60
VIN Increasing
2.50
2.40
2.30
VIN Decreasing
2.20
-50
-25 0 25 50 75 100 125
Junction Temperature (oC)
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/
5 Page 
APL3205A/B
Typical Application Circuit
5V Adapter/
USB
1µF
50K
GPIO
MCU
VIO
50K
50K
25K
1
IN
8
OUT
APL3205A/B
1uF
5
EN
4
FAULT
3
PSW
APM2805QA
7 ILIM
6
GND BAT
2
200K
0.2
Li+
Battery
CHRIN
GTDRV
MTK PMU
ISENS
VBAT
Figure 1. The Typical Protection Circuit for Charger Systems.
GPIO
MCU
VIO
5V Adapter/
USB
1µF
50K
50K
50K
25K
1
IN
8
OUT
APL3205A/B
1uF
5
EN
4
FAULT
3
PSW
APM2103QA
7 ILIM
6
GND BAT
200K
2 Li+
Battery
0.2
CHRIN
GTDRV
MTK PMU
ISENS
VBAT
Figure 2. Use the PSW pin to drive an external P-Channel MOSFET T for Charger Systems.
Copyright © ANPEC Electronics Corp.
Rev. A.3 - Jun., 2011
11
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet APL3205A.PDF ] | |
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