UB2016 Datasheet, PDF (5/13 Pages) Unisonic Technologies – ONE-CELL STANDALONE LINEAR LITHIUM BATTERY CHARGER

UB2016
Preliminary
CMOS IC
„ ELECTRICAL CHARACTERISTICS(Cont.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
V_CC–V_BAT Lockout Threshold Voltage
V_ASD
V_CC from Low to High
V_CC from High to Low
100
mV
30
mV
C/10 Termination Current Threshold
I_TERM
R_PROG=10k (Note2)
R_PROG=2k
0.1
mA/mA
0.1
mA/mA
PROG Pin Voltage
V_PROG R_PROG=10k, Current Mode
0.8 1.0 1.2 V
CHRG Pin Weak Pull-Down Current
I_CHRG V_CHRG=3V
15
μA
CHRG Pin Output Low Voltage
V_CHRG I_CHRG=5mA
0.6
V
Recharge Battery Threshold Voltage ΔV_RECHRG V_FLOAT-V_RECHRG
100
mV
Thermal Protection Temperature
T_LIM
120
°С
Soft-Start Time
t_SS I_BAT=0 to 1000V/R_PROG
100
μs
Recharge Comparator Filter Time
t_RECHARGE V_BAT High to Low
1
ms
Termination Comparator Filter Time
t_TERM
1000
μs
PROG Pin Pull-Up Current
I_PROG
1
μA
Notes: 1. Supply current includes PROG pin current (approximately 100μA) but does not include any current
delivered to the battery through the BAT pin (approximately 100mA).
2. I_TERM is expressed as a fraction of measured full charge current with indicated PROG resistor.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 13
QW-R502-869.a