AAT3685 AAT, AAT3685 Datasheet - Page 5

• Manufacturer Part Number: AAT3685
• Description: Lithium-Ion/Polymer Battery Charger
• Manufacturer: AAT

Electrical Characteristics
V
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
3685.2006.10.1.3
Logic Control / Protection
ADP
V
V
I
I
temperature range is guaranteed by design.
Symbol
TERM
TERM
SQ
V
PWRSEL(H)
I
I_DATA
V
PWRSEL(L)
t
V
TK
V
T
PERIOD
I
V
V
DATA)(L)
DATA(H)
f
I
TS1
TS2
EN(H)
STAT
DATA
OVSD
EN(H)
= 5V, T
EN(L)
I
STAT
/I
OVP
PULSE
TS
CHG
/I
/I
CHG
CHG
A
Description
Input High Threshold
Input Low Threshold
Input High Threshold
Input Low Threshold
EN Input Current
Output Low Voltage
STAT Pin Current Sink Capability
Over-Voltage Protection Threshold
Pre-Charge Current
Charge Termination Threshold Current
Charge Termination Threshold Current
Current Source from TS Pin
TS Hot Temperature Fault
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
= -25°C to +85°C, unless otherwise noted. Typical values are at T
1
Lithium-Ion/Polymer Battery Charger
Conditions
AAT3685-1 Only, V
STAT Pin Sinks 4mA
For SETH Mode
For SETL Mode
For SETH Mode
For SETL Mode
Threshold
Hysteresis
Threshold
Hysteresis
DATA Pin is Active Low State
Status Request
EN
= 5V
A
= 25°C.
Min Typ
310
200
1.6
1.6
2.2
3.0
1.6
70
330
145
8.0
4.4
7.5
2.3
10
50
35
80
15
10
50
20
AAT3685
Max Units
350
0.4
0.4
0.4
2.4
0.4
10
90
kHz
mA
mV
mV
mA
μA
μA
ns
μs
°C
%
%
%
V
V
V
V
V
V
V
V
V
5