L6924U STMicroelectronics, L6924U Datasheet - Page 8

• Manufacturer Part Number: L6924U
• Description: Battery Management USB Battery Charger System w/integra
• Manufacturer: STMicroelectronics

Specifications of L6924U

• Product: Charge Management
• Battery Type: Li-Ion
• Output Voltage: 4.2 V
• Output Current: 30 mA
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Package / Case: VFQFPN
• Mounting Style: SMD/SMT
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Electrical characteristics
4
Table 5.
8/37
T
T
I
MODE
Symbol
V
I
PRE_USB
MAXCH
MAXCH
V
ISEL
I
PRE_AC
V
ST1,2
ENDTH
SD
I
OUT
I
PRETH
I
IN
SINK
IN
I
USB
AC
TH
(1)
(1)
TH
(1)
TH
(2)
(2)
Output status sink current
Operating input voltage
Start up threshold
Supply current
Current flowing from V
Charge current with AC
adapter input
Charge current with USB
input
Pre-charge current with AC
input
Pre-charge current with USB
input (high power mode)
Pre-charge current with USB
input (low power mode)
Pre-charge voltage threshold
Termination current
Maximum charging time
Maximum charging time
accuracy
Shutdown threshold high
Shutdown threshold low
MODE threshold high
MODE threshold low
ISEL threshold high
ISEL threshold low
Electrical characteristics
T
Electrical characteristics
Battery regulated voltage
J
= 25 °C, V
Parameter
IN
= 5 V, unless otherwise specified.
OUT
Charging mode (R
Shutdown mode (R
Shutdown mode (R
Stand by mode (R
(V
MODE at GND, R
MODE at GND, R
MODE at HIGH, ISEL at HIGH,
R
MODE at HIGH, ISEL at LOW,
R
MODE at GND,
R
R
MODE at HIGH, ISEL at LOW
R
R
C
R[I
C
R
Status on
MODE at HIGH, ISEL at HIGH
USB
USB
PRG-USB
PRG-USB
AC
END
TPRG
TPRG
PRG
IN
PRG
Doc ID 14716 Rev 2
= 2.5 V < V
= 24 kΩ
= 24 kΩ
= 24 kΩ
= 3.3 kΩ
= 24 kΩ
] = 24 kΩ
= 10 nF
= 5.6n F
Test condition
= 24 kΩ
= 2 4 kΩ
BATTERY
PRG
PRG
PRG
PRG
PRG
PRG
= 24 kΩ
= 12 kΩ
= 24 kΩ)
= 24 kΩ)
= 24 kΩ)
= 24 kΩ)
)
Min.
4.16
450
905
450
2.5
7.6
2.9
0.4
0.4
0.4
86
41
41
12
Typ.
490
975
490
1.8
4.2
9.6
3.0
60
96
49
49
16
10
10
3
Max.
1045
4.24
11.4
500
500
525
525
105
4.1
2.5
3.1
1.3
1.3
12
80
56
56
20
2
L6924U
hours
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
µA
nA
nA
%
V
V
V
V
V
V
V
V
V
V