A4057
BATTERY MANAGEMENT
AiT Semiconductor Inc.
www.ait-ic.com
LINEAR LI-ION BATTERY CHARGER
ABSOLUTE MAXIMUM RATINGS
VDD, Input Supply Voltage
VDRC, DRC pin Voltage
VSS-0.3V~VSS+18V
VSS-0.3V~18V
VSS-0.3V~12V
VSS-0.3V~6V
VBAT, BAT pin Voltage
VCS, CS pin Voltage
VCHRG, CHAG pin Voltage
VDONE, DONE pin Voltage
VNTC, NTC pin Voltage
VSS-0.3V~18V
VSS-0.3V~18V
VSS-0.3V~6V
TOPA, Operating Ambient Temperature
-40°C~+85°C
TSTR, Storage Temperature
-65°C~+125°C
Stress beyond above listed “Absolute Maximum Ratings” may lead permanent damage to the device. These are stress ratings only and
operations of the device at these or any other conditions beyond those indicated in the operational sections of the specifications are not
implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
TA=25℃, unless specified
Parameter
Operating Current 1
Symbol
Conditions
Min.
Typ.
Max.
350
20
Unit
μA
μA
V
IDD (OPE) 9V<VDD<20V
-
-
-
-
Input Current 2
IDD (SLP) VDD<7.5
VBATT
VBATT Pin Voltage
8.27
8.36
8.45
Constant Current Charging Current
Trickle Charge Current
Iconst
90/Rs 100/Rs 110/Rs
mA
mA
V
Ipre
18/Rs
6.2
-
20/Rs
6.5
22/Rs
6.8
-
Precharge Threshold Voltage
Recharge Threshold Voltage
VT High Temperature Shutdown Voltage
VT Low Temperature Shutdown Voltage
Low Power Lockout Threshold Voltage
VO(min)
VO(RCH)
VT-hot
-400
50
mV
mV
mV
V
45
55
VT-cold
VUVLO
1800
-
2000
7.5
2200
-
REV1.1
- FEB 2014 RELEASED, OCT 2017 UPDATED -
- 3 -
AITSEMI [ AiT Semiconductor ]
