STw4102 STMicroelectronics, STw4102 Datasheet - Page 7

• Manufacturer Part Number: STw4102
• Description: Dual source USB Li-ion charger with gas gauge
• Manufacturer: STMicroelectronics

STw4102
4
Table 4.
Supply (V
I
I
I
I
POR_IS+
POR_IS-
Voltage regulation
V
R
Battery
Battery
Current regulation
I
V
V
I
I
I
EOCHG
EOCHG
T
T
charger
STBY
batt_sense
batt
trickle
charge
charge_acc
USB
regulation
softstart
charge_acc
trickle
trickle_hyst
power
Symbol
ovv
ovv_hyst
ith
ith_hys
oper
Electrical characteristics
CC/CV charger - V
specified)
from MAIN or USB)
Main or USB input operating current
USBPWR input standby current
BSENSE input current
BATT input current
Power ON reset threshold+
Power ON reset threshold-
Output voltage accuracy
Power path resistance
Static battery overvoltage detection
Static battery overvoltage hysteresis
Trickle charge current
Trickle to fast charge threshold
Trickle to fast charge threshold hysteresis
Main charge current range
Main charge current accuracy
USB charge current
End of charge threshold
End of charge threshold hysteresis
Regulated junction temperature
Soft start from trickle to fast charge
Parameter
oper
= 5V, V
batt
= 3.6V, T
amb
Charge off
No charge
No charge
CVIS internal supply
CVIS internal supply
T
MAIN to BATT
V
Standard configuration
Factory OTP option
Standard configuration
Internal path
I
REG_CHG0[7..6]:
00
01
10
11
% of current setting
% of current setting
charge
amb
batt
= -30°C to 85° C (unless otherwise
< V
= 0°C to 85
Conditions
> 500mA
trickle
°
C
Electrical characteristics
4.55
Min
100
2.2
2.1
2.8
-15
30
60
30
-1
Typ
100
120
100
200
400
125
100
2.3
2.2
0.6
4.7
2.9
60
60
10
2
0
5
1000
Max
100
180
+15
100
500
2.4
2.3
4.8
3.0
40
25
+1
1
Unit
mA
mV
mA
mA
mV
mA
mA
mA
mA
mA
µA
µA
µA
°
µs
%
%
%
%
V
V
Ω
V
V
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C