STW4102IQT STMicroelectronics, STW4102IQT Datasheet - Page 27

• Manufacturer Part Number: STW4102IQT
• Description: IC LI-ION BATT CHRGR DUAL 24QFN
• Manufacturer: STMicroelectronics

Specifications of STW4102IQT

• Function: Battery Monitor
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 4.25 V ~ 16 V
• Operating Temperature: -30°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-QFN
• Product: Charge Management
• Output Voltage: 4.7 V
• Output Current: 100 mA to 1000 mA
• Operating Supply Voltage: 4.25 V to 16 V
• Supply Current: 2 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 30 C
• Mounting Style: SMD/SMT
• For Use With: 497-8514 - BOARD EVAL STW4102/STM32497-8338 - BOARD EVAL BASED ON STW4102
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6840-2

STw4102
Table 19.
Table 20.
Table 21.
CHARGERUN
MAINDETECT
USBDETECT
VCHG
SEL_DC_USB
USB_ICHG
CHG_ENA
Reserved
FORCECHARGER
UN
SEL_IS
Unused
WDOG_EN
WDOG_TIME
WDOG_RST
Reserved
WDOG_INT
Unused
Name
Name
Name
REG_CHG0. address 0 (00h)
REG_CHG1. address 1 (01h)
REG_WDOG. address 2 (02h)
Pos.
Pos.
Pos.
[4,3]
[7,6]
[3,1]
[7,6]
[2,1]
[5,4]
0
1
2
5
0
4
5
0
3
6
7
Type
Type
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
Power-
Power-
Power-
up
up
up
00
00
00
0
0
0
0
1
0
0
0
1
0
0
x
0: Charge is below 10% of fast charge current.
1: Charge is above 10% of fast charge current.
Main input voltage detection.
USB input voltage detection.
Charge voltage
00=4.1V, 01=4.2V, 10=4.3V, 11=4.35V.
Wall adapter/USB selection for MAIN input
0: charge current set by Rset resistor
1: charge current set by USB_ICHG bits
USB charge current
00=60mA, 01=200mA, 10=400mA, 11=off.
0: Charger disabled.
1: Charger enabled.
Reserved bits, to be set to zero.
0: no effect.
1: force EOCHG low independently of charge
state.
0: Internal supply from Main or USB input when
available and charge enabled.
1: Internal supply always from Battery.
0: Watchdog disabled.
1: Watchdog enabled.
00=1 minute, 01=15 minutes, 10=30 minutes,
11=60 minutes.
0: No effect.
1: Reset watchdog. Bit clear after watchdog reset.
Reserved bits, to be set to zero
1: Watchdog is elapsed.
Description
Description
Description
I
2
C interface
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