AAT3687_08 Datasheet, PDF (5/20 Pages) Advanced Analogic Technologies – Lithium-Ion/Polymer Battery Charger

BatteryManager^TM
PRODUCT DATASHEET
AAT3687
Lithium-Ion/Polymer Battery Charger
Electrical Characteristics¹
V_ADP = 5V, T_A = -40°C to +85°C, unless otherwise noted. Typical values are at T_A = 25°C.
Symbol Description
Logic Control / Protection
V_EN(H)
V_EN(L)
Input High Threshold
Input Low Threshold
I_EN(H)
EN Input Current
V_ADPP#
T_C
Output Low Voltage
Preconditioning Plus Constant Current
Mode Time Out
T_P
Preconditioning Time Out
T_V
V_STAT
I_STAT
V_OVP
I_TK/I_CHG
I_TERM/I_CHG
I_TS
Constant Voltage Mode Time Out
Output Low Voltage
STAT Pin Current Sink Capability
Over-Voltage Protection Threshold
Pre-Charge Current
Charge Termination Threshold Current
Current Source from TS Pin
TS1
TS Hot Temperature Fault
TS2
I_DATA
I_ADPP#
V_DATA(H)
V_DATA(L)
SQ_PULSE
t_PERIOD
f_DATA
T_REG
T_{LOOP_IN}
T_{LOOP_OUT}
T_OVSD
TS Cold Temperature Fault
DATA Pin Sink Current
ADPP# Current Sink
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
Conditions
AAT3687-1, AAT3687-2 Only;
V_EN = 5V
ADPP# Pin Sinks 500µA
C_T = 0.1µF, V_ADP = 5.5V
AAT3687, AAT3687-1 Only; C_T
= 0.1µF, V_ADP = 5.5V
C_T = 0.1µF, V_ADP = 5.5V
STAT Pin Sinks 4mA
AAT3687, AAT3687-1 Only
Threshold
Hysteresis
Threshold
Hysteresis
DATA Pin is Active Low State
ADPP# Pin is Active Low State
Status Request
Min
1.6
70
310
2.2
3
1.6
200
Typ
3.0
25
3.0
8.0
4.4
10
7.5
80
330
15
2.3
10
8
50
20
90
110
85
145
Max
0.4
10
0.4
0.4
90
350
2.4
0.4
Units
V
V
µA
V
Hours
Minutes
Hours
V
mA
V
%
%
µA
mV
V
mV
mA
mA
V
V
ns
µs
kHz
°C
°C
°C
°C
1. The AAT3687 output charge voltage is specified over the 0° to 70°C ambient temperature range; operation over the -40°C to +85°C temperature range is guaranteed by
design.
3687.2008.04.1.12
www.analogictech.com
5