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L6924UTR Datasheet(PDF) 8 Page - STMicroelectronics

Part # L6924UTR
Description  USB compatible battery charger system with integrated power switch for Li-Ion/Li-Polymer
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6924UTR Datasheet(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
L6924U
8/37
Doc ID 14716 Rev 2
4
Electrical characteristics
TJ = 25 °C, VIN = 5 V, unless otherwise specified.
Table 5.
Electrical characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VIN
(1)
Operating input voltage
2.5
12
V
Start up threshold
4.1
V
IIN
(1)
Supply current
Charging mode (RPRG = 24 kΩ)1.8
2.5
mA
Shutdown mode (RPRG = 24 kΩ)60
80
µA
ISINK
Current flowing from VOUT
Shutdown mode (RPRG = 24 kΩ)500
nA
Stand by mode (RPRG = 24 kΩ)
(VIN = 2.5 V < VBATTERY)
500
nA
VOUT
(1)
Battery regulated voltage
4.16
4.2
4.24
V
IAC
Charge current with AC
adapter input
MODE at GND, RPRG = 24 kΩ
450
490
525
mA
MODE at GND, RPRG = 12 kΩ
905
975
1045
mA
IUSB
Charge current with USB
input
MODE at HIGH, ISEL at HIGH,
RPRG-USB = 24 kΩ
450
490
525
mA
MODE at HIGH, ISEL at LOW,
RPRG-USB = 2 4 kΩ
86
96
105
IPRE_AC
Pre-charge current with AC
input
MODE at GND,
RAC = 24 kΩ
41
49
56
mA
IPRE_USB
Pre-charge current with USB
input (high power mode)
MODE at HIGH, ISEL at HIGH
RUSB = 24 kΩ
41
49
56
mA
Pre-charge current with USB
input (low power mode)
MODE at HIGH, ISEL at LOW
RUSB = 24 kΩ
7.6
9.6
11.4
mA
VPRETH
Pre-charge voltage threshold
2.9
3.0
3.1
V
IENDTH
Termination current
REND = 3.3 kΩ
12
16
20
mA
TMAXCH
(2)
Maximum charging time
CTPRG = 10 nF
R[IPRG] = 24 kΩ
3
hours
TMAXCH
(2)
Maximum charging time
accuracy
CTPRG = 5.6n F
RPRG = 24 kΩ
10
%
SDTH
Shutdown threshold high
2
V
Shutdown threshold low
0.4
V
ST1,2
Output status sink current
Status on
10
mA
MODETH
MODE threshold high
1.3
V
MODE threshold low
0.4
V
ISELTH
ISEL threshold high
1.3
V
ISEL threshold low
0.4
V


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