Datasheet

Electrical specifications L6924D
8/38 Doc ID 11908 Rev 9
4 Electrical specifications
4.1 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
= 24kΩ)1.82.5mA
Shutdown mode (R
PRG
= 24kΩ)6080µA
I
SINK
Current flowing from V
OUT
Shutdown mode (R
PRG
= 24kΩ)500nA
Stand by mode (R
PRG
= 24kΩ)
(V
IN
= 2.5V < V
BATTERY
)
500 nA
V
OUT
(1)
Battery regulated voltage
V
OPRG
at V
IN
4.06 4.1 4.14 V
V
OPRG
at GND 4.16 4.2 4.24 V
I
CHG
Charge current
R
PRG
= 24kΩ 450 490 525 mA
R
PRG
= 12kΩ 905 975 1045 mA
I
PRECH
Pre-Charge current
[default value = 10% I
CHG
]
I
PRE
floating
R
PRG
= 24kΩ
41 49 56 mA
I
PRECH
Pre-Charge current
R
PRE
= 62kΩ to GND;
R
PRG
= 24kΩ
57 67 78 mA
I
PRECH
Pre-Charge current
R
PRE
= 39kΩ to V
REF
;
R
PRG
= 24kΩ
29.5 35 40.1 mA
V
PRETH
Pre-Charge voltage threshold
[default]
V
PRE
= V
PRETHDefault
= Floating 2.7 2.8 2.9 V
V
PRETH
Pre-Charge voltage threshold R
VPRE
= 13kΩ; R
PRG
= 12kΩ 2.87 3.03 3.19 V
V
PRETH
Pre-Charge voltage threshold
[default]. Charge termination
disabled
2.7 2.8 2.9 V
I
ENDTH
Termination current R
END
= 3K3 12 16 20 mA
T
MAXCH
(2)
Maximum charging time
C
TPRG
= 10nF
R[I
PRG
] = 24kΩ
3 hours
T
MAXCH
(2)
Maximum charging time accuracy
C
TPRG
= 5.6nF
R
PRG
= 24kΩ
10%
SD
TH
Shutdown threshold high 2 V
Shutdown threshold low 0.4 V
ST1,2 Output status sink current Status on 10 mA
R
DS(on)
Power MOSFET resistance R
DS(on)
@I
CHG
= 500mA 280 380 mΩ