AAT3688 Просмотр технического описания (PDF) - Analog Technology Inc
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AAT3688 Datasheet PDF : 23 Pages
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AAT3688
USB Port 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
VUSBSEL(H)
VUSBSEL(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 USBH Mode
For USBL Mode
For USBH 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 USBL Mode
35
%
70 80 90 µA
Threshold
Hysteresis
310 330 350
15
mV
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 AAT3688 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.
3688.2006.04.1.3
5
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