ACT2861QI
Rev 2.0, 27-Apr-2018
BATTERY CHARGER
(VIN = 12V, VBAT = 7.6V, TA = 25°C, unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
Battery Regulation Voltage
Accuracy
VBAT = VBAT Register Setting
Measured at VBATS Pin
VBAT_REG_ACC
-0.5
0.5
%
Fast Charge Current Range
IFCHG_REG_RANGE With ICHG=100% register setting
VBAT= VBATLOW, ICHG=2A
0.5
-5
5
A
+5
%
%
%
%
%
Fast Charge Current Regulation
Accuracy
IFCHG_REG_ACC
VBAT= VBATLOW, ICHG=1A
-10
-20
-30
-40
+10
+20
+30
+40
(10mΩ current sensing resistor)
VBAT= VBATLOW ICHG=500mA
VBAT= VBATLOW, ICHG=250mA
VBAT= VBATLOW, ICHG=125mA
Pre-charge Current Regulation
Accuracy
(10mΩ current sensing resistor)
IPRECHG_ACC
VBATSHORT<VBAT<VBATLOW
ITERM = 250mA
Termination Voltage Accuracy
(default factory setting)
-30
+30
280
%
VTERM_ACC
V
BATSHORT<VBAT<VBATLOW
120
200
mA
ISHRT=200mA
Battery Short Charge Current
(default factory setting for ISHRT
ISHRT
VBAT < VBATSHORT -100mV
BAT > 3V
SHRT=400mA
and VBATSHORT
)
V
I
300
400
3.9
400
mA
V
Minimum Battery Voltage for
Active I2C
VBAT rising
VBAT_UVLOZ
3.75
4.15
Measured at VBATS Pin
Pre-Charge to Fast Charge with VBAT
Rising
Battery LOW Threshold
Battery LOW Hysteresis
Battery Short Voltage
VBATLOW
-3.3
VBATLOW
+ 3.3
%
%
%
Relative to the factory default VBATLOW
Register Setting
Measured at VBATS Pin
Fast Charge to Pre-Charge with VBAT
Falling
Relative to the factory default VBATLOW
Register Setting
VBATLOW_HYST
3.3
6
8.6
Referenced to actual VBATLOW
measurement
Measured at VBATS Pin
BAT Short Charge level to Pre-
Charge level with VBAT rising
VBATSHOR
VBATSHORT
–2.5
+ 2.5
Relative to the factory default
T
V
BATSHORT Register Setting
Measured at VBATS Pin
BAT Pre-Charge to Short Charge
level with VBAT Falling
Battery Short Voltage Hysteresis VBATSHORT_HYST
4
5
6
%
%
Relative to the actual VBATSHORT
measurement
Measured at VBATS Pin
Battery Good Voltage
VBATGOOD
V
BAT Rising
-3%
VBAT_GOO
+3%
Innovative PowerTM
ActiveSwitcherTM is a trademark of Active-Semi
www.active-semi.com
Copyright © 2018 Active-Semi, Inc.
10
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