Datasheet

Electrical characteristics L6924U
8/37 Doc ID 14716 Rev 2
4 Electrical characteristics
T
J
= 25 °C, V
IN
= 5 V, unless otherwise specified.
Table 5. Electrical characteristics
Symbol Parameter Test condition Min. Typ. Max. Unit
V
IN
(1)
Operating input voltage 2.5 12 V
Start up threshold 4.1 V
I
IN
(1)
Supply current
Charging mode (R
PRG
= 24 kΩ)1.82.5mA
Shutdown mode (R
PRG
= 24 kΩ)6080µA
I
SINK
Current flowing from V
OUT
Shutdown mode (R
PRG
= 24 kΩ)500nA
Stand by mode (R
PRG
= 24 kΩ)
(V
IN
= 2.5 V < V
BATTERY
)
500 nA
V
OUT
(1)
Battery regulated voltage 4.16 4.2 4.24 V
I
AC
Charge current with AC
adapter input
MODE at GND, R
PRG
= 24 kΩ 450 490 525 mA
MODE at GND, R
PRG
= 12 kΩ 905 975 1045 mA
I
USB
Charge current with USB
input
MODE at HIGH, ISEL at HIGH,
R
PRG-USB
= 24 kΩ
450 490 525
mA
MODE at HIGH, ISEL at LOW,
R
PRG-USB
= 2 4 kΩ
86 96 105
I
PRE_AC
Pre-charge current with AC
input
MODE at GND,
R
AC
= 24 kΩ
41 49 56 mA
I
PRE_USB
Pre-charge current with USB
input (high power mode)
MODE at HIGH, ISEL at HIGH
R
USB
= 24 kΩ
41 49 56 mA
Pre-charge current with USB
input (low power mode)
MODE at HIGH, ISEL at LOW
R
USB
= 24 kΩ
7.6 9.6 11.4 mA
V
PRETH
Pre-charge voltage threshold 2.9 3.0 3.1 V
I
ENDTH
Termination current R
END
= 3.3 kΩ 12 16 20 mA
T
MAXCH
(2)
Maximum charging time
C
TPRG
= 10 nF
R[I
PRG
] = 24 kΩ
3 hours
T
MAXCH
(2)
Maximum charging time
accuracy
C
TPRG
= 5.6n F
R
PRG
= 24 kΩ
10 %
SD
TH
Shutdown threshold high 2 V
Shutdown threshold low 0.4 V
ST1,2 Output status sink current Status on 10 mA
MODE
TH
MODE threshold high 1.3 V
MODE threshold low 0.4 V
ISEL
TH
ISEL threshold high 1.3 V
ISEL threshold low 0.4 V