AAT3685(2006) Ver la hoja de datos (PDF) - Analog Technology Inc
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AAT3685 Datasheet PDF : 21 Pages
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AAT3685
Lithium-Ion/Polymer Battery Charger
Electrical Characteristics1
VADP = 5V, TA = -25°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C.
Symbol Description
Logic Control / Protection
VPWRSEL(H)
VPWRSEL(L)
VEN(H)
VEN(L)
VSTAT
ISTAT
VOVP
Input High Threshold
Input Low Threshold
Input High Threshold
Input Low Threshold
Output Low Voltage
STAT Pin Current Sink Capability
Over-Voltage Protection Threshold
Pre-Charge Current ITK/ICHG
Charge Termination Threshold Current
ITERM/ICHG
Charge Termination Threshold Current
ITERM/ICHG
ITS
Current Source from TS Pin
TS1
TS Hot Temperature Fault
TS2
I_DATA
VDATA(H)
VDATA)(L)
SQPULSE
tPERIOD
fDATA
TOVSD
TS Cold Temperature Fault
DATA Pin Sink Current
Input High Threshold
Input Low Threshold
Status Request Pulse Width
System Clock Period
Data Output Frequency
Over-Temperature Shutdown Threshold
Conditions
Min Typ Max Units
STAT Pin Sinks 4mA
For SETH Mode
For SETL Mode
For SETH Mode
1.6
V
0.4
V
1.6
V
0.4
V
0.4
V
8.0
mA
4.4
V
10
%
50
7.5
%
For SETL Mode
35
%
70 80 90 µA
Threshold
Hysteresis
310 330 350 mV
15
Threshold
2.2 2.3 2.4
V
Hysteresis
10
mV
DATA Pin is Active Low State 3.0
mA
1.6
V
0.4
V
Status Request
200
ns
50
µs
20
kHz
145
°C
1. The AAT3685 output charge voltage is specified over the 0° to 70°C ambient temperature range; operation over the -25°C to +85°C
temperature range is guaranteed by design.
3685.2006.02.1.2
5
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