AAT2550_08 ANALOGICTECH [Advanced Analogic Technologies], AAT2550_08 Datasheet - Page 5

• Manufacturer Part Number: AAT2550_08
• Description: Total Power Solution for Portable Applications
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

1. The AAT2550 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correla-
2. End of Charge Voltage Accuracy is specified over the 0° to 70°C ambient temperature range.
SystemPower
SystemPower
Electrical Characteristics
V
2550.2008.02.1.3
2550.2008.02.1.3
Battery Charger
ADP
Symbol
tion with statistical process controls.
ΔV
V
T
I
ΔI
I
V
T
V
V
S
R
I
TERM
LOOP_OUT
BAT_EOC
T
V
I
LEAKAGE
I
V
TK
F
LOOP_IN
V
V
I
V
V
I
DATA(H)
DATA(L)
T
ADPSET
DS(ON)
TS
TS
QPULSE
SLEEP
CH
CH
T
= 5V; T
SHDN
I
K
I
DATA
Period
UVLO
T
T
T
STAT
DATA
I
STAT
REG
ADP
MIN
RCH
OVP
/I
CH
TS
SD
Q
/V
/I
IA
C
P
V
/I
1
2
CH
CH
CH
CH
2
A
Description
Adapter Voltage Range
Under-Voltage Lockout
UVLO Hysteresis
Quiescent Current
Sleep Mode Current
Reverse Leakage Current
Shutdown Current
End of Charge Voltage Accuracy
Output Charge Voltage Tolerance
Preconditioning Voltage Threshold
Battery Recharge Voltage Threshold
Charge Current
Charge Current Regulation Tolerance
ADPSET Pin Voltage
Current Set Factor: I
Charger Pass Device
Constant Current Mode Time-Out
Preconditioning Time-Out
Constant Voltage Mode Time-Out
Output Low Voltage
STAT Sink Current
Over-Voltage Protection
Preconditioning (Trickle Charge) 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
Thermal Loop Regulation
Thermal Loop Entering Threshold
Thermal Loop Exiting Threshold
Over-Temperature Shutdown Threshold
= -40°C to +85°C, unless otherwise noted. Typical values are at T
TM
TM
CH
/I
ADPSET
1
(continued)
w w w . a n a l o g i c t e c h . c o m
w w w . a n a l o g i c t e c h . c o m
Conditions
Rising Edge
I
V
V
V
Constant Current Mode
V
C
C
C
I
Threshold
Hysteresis
Threshold
Hysteresis
DATA Pin is Active Low
CHARGE
SINK
BAT
BAT
EN
IN
T
T
T
= 100nF, V
= 100nF, V
= 100nF, V
= 5.5V
= GND
= 4.25V
= 4V, ADP Pin Open
= 4mA
Total Power Solution for Portable Applications
Total Power Solution for Portable Applications
= 100mA
ADP
ADP
ADP
= 5.5V
= 5.5V
= 5.5V
A
4.158
= 25°C.
Min
2.80
0.20
100
310
200
4.0
2.2
3.0
1.6
PRODUCT DATASHEET
PRODUCT DATASHEET
70
V
BAT_EOC
AAT2550178
AAT2550178
4000
Typ
0.75
0.25
150
330
110
145
8.0
4.4
3.0
0.3
1.0
4.2
0.5
3.0
2.0
3.0
3.0
7.5
2.3
10
25
10
80
15
10
50
20
90
85
- 0.1
4.242
Max
1000
3.15
0.35
350
5.5
3.0
1.0
1.0
0.4
2.4
0.4
90
Units
Minute
Hour
Hour
kHz
mV
mA
mA
mA
mV
mV
mA
μA
μA
μA
μA
μs
°C
°C
°C
°C
%
%
%
%
ns
V
V
Ω
V
V
V
V
V
V
V
V
V
5
5