Data sheet, Li-ion/li polymer battery charger aur9801c, Electrical characteristics – Diodes AUR9801C User Manual
Page 5: Parameter symbol conditions min typ max units

Data Sheet
Li-ion/Li Polymer Battery Charger AUR9801C
Aug. 2012 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
5
Electrical Characteristics
V
IN
=5V and T
A
=25°C for the typical values. The maximum and minimum values are over -40°C to 85°C
Ambient Temperature with a supply voltage in the range of 4.6V to 5.5V, unless otherwise specified.
Parameter Symbol
Conditions
Min
Typ
Max
Units
Power-on Reset
VIN Rising Voltage
3.2
3.6
3.9
V
VIN Falling Voltage
2.25
2.5
2.7
V
Standby Current
VBAT Pin Sink Current
I
STANDBY
VIN floating or
EN=LOW
3.3
µA
VIN Pin Supply Current
I
IN
VBAT floating and
EN pulled low
150
µA
VBAT floating and
EN floating
1
mA
VIN-VBAT Offset Voltage
Offset Voltage
V
OS
V
BAT
=4.2V,
I
BAT
=20mA,
use /STATUS pin
45 80 100 mV
Voltage Regulation
Output Voltage
V
BAT
Tested at 50mA load,
5V input, and 25
°C
4.213 4.256 4.299 V
Dropout Voltage
V
BAT
=4.0V,
Charge Current=0.35A
175 mV
Charge Current
Constant Charge Current
I
CHG
R
IREF
=100k
Ω,
V
BAT
=3.0V to 4.0V
760 800 840 mA
Trickle Charge Current
I
TRICKLE
R
IREF
=100k
Ω,
V
BAT
=2.5V
120 mA
End-of-Charge Threshold
I
MIN
R
IREF
=100k
Ω
70 80 90 mA
V2P8 Pin Output
V2P8 Pin Output Voltage
V
2P8
Load current less than
1mA
2.8 2.9 3.0 V
Recharge Threshold
Recharge Threshold
V
RECHG
3.97 4.05 4.13
V
Recharge Threshold
Hysteresis
V
RECHGHY
S
50 mV
Trickle Charge Threshold
Trickle Threshold
Voltage
V
MIN
2.7 2.8 2.9 V
Trickle Threshold
Hysteresis
V
MINHYS
50
100 150
mV