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STW4102 Datasheet(PDF) 8 Page - STMicroelectronics

Part # STW4102
Description  Dual USB/wall adapter Li-ion battery charger with gas gauge
PDF  34 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW4102 Datasheet(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
STw4102
8/34
Watchdog
twatchdog
Watchdog duration
REG_WDOG[2,1]:
00
01
10
11
0.5
7.5
15
30
1
15
30
60
1.5
22.5
45
90
min
min
min
min
Input/output pins
Vcharger_det
Main charger supply voltage detection
2.4
2.5
2.6
V
Vcharger_det_hys
Main charger supply voltage detection
hysterisis
100
mV
VUSB_det
USB supply voltage detection
2.4
2.5
2.6
V
VUSB_det_hys
USB supply voltage detection hysteresis
100
mV
Volpowerdetect
POWERDETECTN output capability
Isink= 10mA
0.45
V
VolEOCHG
EOCHG output capability
Isink= 10mA
Isink= 20mA
0.5
1.1
V
V
Idrv_sink
Driver sink current
(If option enabled)
60
mA
Table 4.
CC/CV charger - Voper=5V, Vbatt=3.6V, Tamb = -30°C to 85° C (unless otherwise
specified) (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Table 5.
LDO - Vmain=6V, Tamb = -30°C to 85° C (unless otherwise specified)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
LDOV
LDO regulated output voltage
Including line and load
regulation (up to 1A),
Vmain >6V
4.47
4.7
4.93
V
LDOpower_th
LDO power turn off threshold
6.8
7.2
7.5
V
LDOpower_th_hys LDO power turn off threshold hysterisis
0.7
V
LDOPSRR
LDO power supply rejection ratio
Up to 20kHz
50
dB



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