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STW4102 数据表(PDF) 7 Page - STMicroelectronics

部件名 STW4102
功能描述  Dual USB/wall adapter Li-ion battery charger with gas gauge
PDF  34 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STW4102 数据表(HTML) 7 Page - STMicroelectronics

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STw4102
Electrical characteristics
7/34
4
Electrical characteristics
Table 4.
CC/CV charger - Voper=5V, Vbatt=3.6V, Tamb = -30°C to 85° C (unless otherwise
specified)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supply (Voper from MAIN or USB)
Icharger
Main or USB input operating current
2
mA
ISTBY
USBPWR input standby current
Charge off
40
µA
Ibatt_sense
BSENSE input current
No charge
1
µA
Ibatt
BATT input current
No charge
25
µA
POR_IS+
Power ON reset threshold+
CVIS internal supply
2.2
2.3
2.4
V
POR_IS-
Power ON reset threshold-
CVIS internal supply
2.1
2.2
2.3
V
Voltage regulation
Vcharge_acc
Output voltage accuracy
Tamb= 0°C to 85° C-1
+1
%
Rpower
Power path resistance
MAIN to BATT
0.6
Ω
Batteryovv
Static battery overvoltage detection
4.55
4.7
4.8
V
Batteryovv_hyst
Static battery overvoltage hysteresis
100
mV
Current regulation
Itrickle
Trickle charge current
Vbatt<Vtrickle
Standard configuration
Factory OTP option
30
60
60
120
100
180
mA
mA
Vtrickle
Trickle to fast charge threshold
Standard configuration
2.8
2.9
3.0
V
Vtrickle_hyst
Trickle to fast charge threshold hysteresis
100
mV
Icharge
Main charge current range
Internal path
100
1000
mA
Icharge_acc
Main charge current accuracy
Icharge> 500mA
-15
+15
%
IUSB
USB charge current
REG_CHG0[7..6]:
00
01
10
11
30
60
200
400
0
100
500
mA
mA
mA
mA
EOCHGith
End of charge threshold
% of current setting
10
%
EOCHGith_hys
End of charge threshold hysteresis
% of current setting
5
%
Tregulation
Regulated junction temperature
125
° C
Tsoftstart
Soft start from trickle to fast charge
100
µs



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