STW4102_08 Datasheet, PDF (24/34 Pages) STMicroelectronics – Dual USB/wall adapter Li-ion battery charger with gas gauge

Factory OTP options
9
Factory OTP options
STw4102
Table 14 summarizes the one-time programming (OTP) options offered by
STMicroelectronics to customize the STw4102 at factory level.
Table 14. Factory OTP options
Option
Configuration bits
Value
TRICKLE current (wall adapter OTP_TC=0 (default)
charge only)
OTP_TC=1
TRICKLE threshold voltage
OTP_TV1, OTP_TV0 :
00
01
10
11 (default)
MAIN input mode at powerup
OTP_SEL_DC_USB=0 (default)
OTP_SEL_DC_USB=1
Watchdog state at powerup
OTP_WD_ENA=0
OTP_WD_ENA=1 (default)
Watchdog period at powerup
OTP_WD_TIME1, OTP_WD_TIME0 :
00 (default)
01
10
11
Power switch
OPT_IEPD=0 (default)
OPT_IEPD=1
Sense resistor
OPT_IERSENSE=0 (default)
OPT_IERSENSE=1
LDO overvoltage protection
OPT_LDOEXT_PRO=0
OPT_LDOEXT_PRO=1 (default)
I²C ID address
OTP_ID2, OTP_ID1, OTP_ID0 :
000 (default)
001
010
011
100
101
110
111
60 mA
120 mA
2.3 V
2.5 V
2.7 V
2.9 V
Wall adapter mode
USB mode
Disabled
Enabled
1 min
15 min
30 min
60 min
Internal
External
Internal
External
Disabled
Enabled
70h
71h
72h
73h
74h
75h
76h
77h
For any option request other than the standard configuration (default values), contact
STMicroelectronics to get a specific order code.
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