EVK-ACT8945AQJ303-T Datasheet, PDF (19/42 Pages) Active-Semi, Inc – Advanced PMU for Atmel SAMA5D3 Series & SAM9 Series Processors

ACT8945A
Rev 2, 11-Feb-14
ActivePath^TM CHARGER ELECTRICAL CHARACTERISTICS CONT’D
(V_CHGIN = 5.0V, T_A = 25°C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
CHARGER
BAT Reverse Leakage Current V_CHGIN = 0V, V_BAT = 4.2V, I_VSYS = 0mA
BAT to VSYS On-Resistance
ISET Pin Voltage
Fast Charge
Precondition
Charge Termination Voltage
V_TERM
T_A = -20°C to 70°C
T_A = -40°C to 85°C
ACIN = VSYS, CHGLEV = VSYS
Charge Current
V_BAT = 3.8V
R_ISET = 6.8K
ACIN = VSYS, CHGLEV = GA
ACIN = GA, CHGLEV = VSYS
ACIN = GA, CHGLEV = GA
ACIN = VSYS, CHGLEV = VSYS
Precondition Charge Current
V_BAT = 2.7V
R_ISET = 6.8K
ACIN = VSYS, CHGLEV = GA
ACIN = GA, CHGLEV = VSYS
ACIN = GA, CHGLEV = GA
Precondition Threshold Voltage
Precondition Threshold
Hysteresis
V_BAT Voltage Rising
V_BAT Voltage Falling
ACIN = VSYS, CHGLEV = VSYS
END-OF-CHARGE Current
Threshold
ACIN = VSYS, CHGLEV = GA
V_BAT = 4.15V, _{ACIN = GA, CHGLEV = VSYS}
ACIN = GA, CHGLEV = GA
Charge Restart Threshold
Precondition Safety Timer
V_TERM - V_BAT, V_BAT Falling
PRETIMO[ ] = 10
Total Safety Timer
TOTTIMO[ ] = 10
Thermal Regulation Threshold
MIN
4.179
4.170
-10%
-10%
400
80
2.75
190
TYP
8
70
1.2
0.13
4.2
4.2
I_CHG¹
I_CHG/5
450
90
10% I_CHG
10% I_CHG
45
45
2.85
150
10% I_CHG
10% I_CHG
45
45
205
80
5
100
MAX UNIT
µA
mΩ
V
4.221
V
4.230
+10%
+10%
mA
500
100
mA
3.0 V
mV
mA
220 mV
min
hr
°C
: R_ISET (kΩ) = 2336 × (1V/I_CHG (mA)) - 0.205
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