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AS3611 Datasheet(PDF) 6 Page - ams AG

Part # AS3611
Description  Swi tching Charger for Li -Ion/LiPo/LiFePO4 powered devices
PDF  26 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3611 Datasheet(HTML) 6 Page - ams AG

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www.austriamicrosystems.com/Battery-Chargers/AS3610
1.01
5 - 25
AS3610/11
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
6 Electrical Characteristics
VBAT=+2.7V...+5.5V, TA =-40ºC...+85ºC. Typical values are at VBAT=+3.6V, TA=+25ºC, unless otherwise specified.
The parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality Control) methods.
Table 3. Operating Conditions
Symbol
Parameter
Notes
Min
Typ
Max
Unit
Operating Range
VHV20
High voltage pins
Applicable to high voltage pins: VBUS, SW.
-2
5.0
20
V
VMV
5V pins
Applicable to 5V pins: VBAT, XEN, SDA,
SCL, USB500, I_SET, I_TERM
-0.3
5.5
V
VLV
3.3V pins
Applicable to 3.3V-Pins: VDD_INT, NTC
-0.3
3.6
V
TAMB
Ambient Temperature
-40
25
85
deg
Operating Currents
IVBUS_ACT
VBUS current,
if step down charger is active
IUSB limit > 100mA
10
mA
IUSB limit < 100mA
5
mA
IBOOST
VBAT current,
if boost active without load
VBAT=4.2V
700
A
IVBUS_OFF
VBUS current in OFF mode
VBUS=5V, TJ < 85ºC
16
A
IVBAT
VBAT quiescent current in OFF mode
VBAT=4.2V, TJ < 85ºC
Including leakage current to VBUS
16
A
Charging Mode Parameter
VBUS_UVLO
VBUS undervoltage lockout
Step Down charger disabled below this
threshold. -150mV hysteresis
3.7
3.8
3.9
V
VBUS_OV
VBUS overvoltage off mode
Step Down charger disabled above this
threshold. -140mV hysteresis
6.3
6.5
6.7
V
VBUS_min
VBUS minimum voltage to regulate
current to VBAT
Programmable (2-bit)
Vnom -
0.12
3.9
4.2
4.5
4.7
Vnom+
0.12
V
ICHARGE
Charge current accuracy of mean
output current
Current selected by resistor on ISET pin:
ICHARGE = 21450/RSET and register
const_curr<1:0>
-8%
550…
1250
+8%
mA
ITERM
Termination and trickle (precharge)
current
Current selected by resistor on ITERM pin:
ITERM = 1200/RTERM
-40mA or
-30%
50…
200
+40mA or
+30%
mA
IUSB
USB input current limit resistor
100mA USB current limit
88
93
105
mA
500mA USB current limit
450
475
500
mA
900mA USB current limit
800
850
900
mA
VSOFT
Apply ISOFT current below this VBAT
voltage
Hysteresis -100mV
1.9
2.0
2.1
V
ISOFT
Soft current, if VBAT is below VSOFT
25
38
55
mA
VTRICKLE
Apply trickle current (=ITERM ) below
this VBAT voltage
-0.1
2.9
+0.1
V
VCHARGE
End of charge voltage
20mV steps Programmable
3.5...4.
44
End of charge accuracy
4.2V EOC voltage, -40..85°C
-1
+1
%
VCHDET
Charge detect voltage difference
VBUS-VBAT
+1
+40
+100
mV



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