STC4054 Datasheet, PDF (6/17 Pages) STMicroelectronics – 800mA Standalone linear Li-Ion Battery charger with thermal regulation

Electrical characteristics
4
Electrical characteristics
STC4054
Table 4. Electrical characteristics
(V_CC = 5V, C_I = 1µF, T_J = -40 to 85° unless otherwise specified) (Note 1).
Symbol
Parameter
Test
Min. Typ. Max. Unit
V_CC Supply voltage
Charge mode, R_PROG =10KΩ,
V_BAT = 3.5V
Standby mode (charge terminated)
I_CC
V_BAT
I_BAT
I_PRE
V_PRE
V_UV
V_MSD
Supply current (Note 2)
Termination output voltage
BAT pin current
Pre-charge current
Pre-charge threshold
V_CC Undervoltage lockout
Manual shutdown threshold
Shutdown mode
R_PROG not
connected
V_CC < V_BAT
V_CC < V_UV
V_CC = 4.3V to 6.5V, R_PROG =10KΩ
Current mode R_PROG=10KΩ
Current mode R_PROG=2KΩ
Standby mode V_BAT=4.2V
Shutdown mode (R_PROG not
connected), T_J=25°C
Sleep mode, V_CC=0V, T_J=25°C
V_BAT<2.8V R_PROG =2KΩ T_J=25°C
R_PROG =10KΩ V_BAT falling
Hysteresis R_PROG =10KΩ
V_CC Low to High R_PROG =10KΩ
Hysteresis R_PROG =10KΩ
PROG Pin Rising
PROG Pin Falling
V_ASD
I_TERM
V_CC-V_BAT Lockout threshold
V_CC Low to High T_J=25°C
R_PROG =10KΩ
V_CC High to Low T_J=25°C
R_PROG =10KΩ
C/10 Termination current
threshold (I_BAT/I_BATC10)
(Note 3)
R_PROG =10KΩ
R_PROG =2KΩ
V_PROG
I_CHRG
V_CHRG
PROG pin voltage
CHRG Pin current weak
pull-down
CHRG Pin pull-down
voltage
Current Mode R_PROG =10KΩ
V_CHRG=5V, V_BAT=4.3V,
R_PROG =10KΩ
I_CHRG=5mA
∆V_RECHRG
Recharger battery threshold
voltage
V_FLOAT-V_RECHRG, T_J=25°C
R_PROG =10KΩ
4.25
6.5
V
150 500
150 300
21
40
µA
17 50
17 40
4.158 4.2 4.242 V
90 100 110 mA
465 500 535 mA
0 -2.5 -6
µA
±1
±2
µA
±1
±2
µA
20 45 70 mA
2.8 2.9 3.0
V
70 100 130 mV
3.7 3.8 3.9
V
50 180 300 mV
1.15 1.21 1.30
V
0.85 0.95 1.05
50 85 120
mV
5
30 50
0.1
mA/mA
0.1
0.93 1.0 1.07 V
8
20 35
µA
0.35 0.6
V
200
mV
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