AT1457 Datasheet, PDF (3/12 Pages) List of Unclassifed Manufacturers – 1-CELL LITHIUM AND LITHIUM POLYMER CHARGE MANAGEMENT IC

Ordering Information
AT1457
Preliminary Product Information
1-Cell Lithium-Ion And Lithium-Polymer
Charge Management IC
Part number
AT1457M
AT1457M_GRE
AT1457AM
AT1457AM_GRE
Package
MSOP8(4.2V version)
MSOP8(4.2V version),Green
MSOP8(4.1V version)
MSOP8(4.1V version),Green
Marking
1457
1457, date code with one bottom line
1457A
1457A, date code with one bottom line
Pin Description
Pin No. Symbol
1
VCC
2
TS
3
STAT
4
VSS
5
CC
6 VCC1
7
SNS
8
BAT
I/O
I Supply voltage
I Temperature sense input
O Charge status output
— Ground
O Charge control output
I Supply voltage
I Current sense input
I Voltage sense input
Absolute Maximum Ratings
Description
Parameter
Symbol
Power supply voltage
Input voltage
Sink current (STAT pin)
Source current (STAT pin)
Output current (CC pin)
Total power dissipation
Operating free-air temperature range
Storage temperature range
Lead temperature
V_CC
V_(BAT)
V_(SNS)
V_(TS)
I_OL
I_OH
I_O(CC)
P_D
T_A
Tstg
T_L
Condition
—
—
—
—
not to exceed P_D
not to exceed P_D
not to exceed P_D
at 25℃
－
－
soldering, 10 s
Rated Value
Min. Max.
-0.3 +8
-0.3 V_CC+0.3
-0.3 V_CC+0.3
-0.3 V_CC+0.3
— 20
— 10
— 40
— 300
-20 +85
-40 +125
－ 300
Unit
V
V
V
V
mA
mA
mA
mW
℃
℃
℃
Recommended Operating Conditions
Parameter
Symbol
Values
Unit
Power supply voltage
Operating free-air temperature range
Min.
Typ.
Max.
V_CC
4.5
－
7
Ｖ
T_A
-20
－
+85
°C
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone]
WWW: http://www.aimtron.com.tw
Fax: [phone]
Email: [e-mail]
3