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ManualsBrandsLinear Technology ManualsBattery Charger ICsSuper Capacitor Backup Controller and System Monitor IC QFN
31323334353637383940
LTC3350
35
3350fc
For more information www.linear.com/LTC3350
regisTer DescripTions
vin_uv_lvl (0x0B) 2.21mV per LSB
V
IN
Undervoltage Level: This is an alarm threshold for the input voltage. If enabled, the voltage falling below this level will trigger an alarm and an
SMBALERT.
vin_ov_lvl (0x0C) 2.21mV per LSB
V
IN
Overvoltage Level: This is an alarm threshold for the input voltage. If enabled, the voltage rising above this level will trigger an alarm and an
SMBALERT.
vcap_uv_lvl (0x0D) 1.476mV per LSB
V
CAP
Undervoltage Level: This is an alarm threshold for the capacitor stack voltage. If enabled, the voltage falling below this level will trigger an alarm and
an SMBALERT.
vcap_ov_lvl (0x0E) 1.476mV per LSB
V
CAP
Overvoltage Level: This is an alarm threshold for the capacitor stack voltage. If enabled, the voltage rising above this level will trigger an alarm and
an SMBALERT.
vout_uv_lvl (0x0F) 2.21mV per LSB
V
OUT
Undervoltage Level: This is an alarm threshold for the output voltage. If enabled, the voltage falling below this level will trigger an alarm and an
SMBALERT.
vout_ov_lvl (0x10) 2.21mV per LSB
V
OUT
Overvoltage Level: This is an alarm threshold for the output voltage. If enabled, the voltage rising above this level will trigger an alarm and an
SMBALERT.
iin_oc_lvl (0x11) 1.983µV/R
SNSI
per LSB
Input Overcurrent Level: This is an alarm threshold for the input current. If enabled, the current rising above this level will trigger an alarm and an
SMBALERT.
ichg_uc_lvl (0x12) 1.983µV/R
SNSC
per LSB
Charge Undercurrent Level: This is an alarm threshold for the charge current. If enabled, the current falling below this level will trigger an alarm and an
SMBALERT.
dtemp_cold_lvl (0x13) Temperature = 0.028°C per LSB – 251.4°C
Die Temperature Cold Level: This is an alarm threshold for the die temperature. If enabled, the die temperature falling below this level will trigger an alarm
and an SMBALERT.
dtemp_hot_lvl (0x14) Temperature = 0.028°C per LSB – 251.4°C
Die Temperature Hot Level: This is an alarm threshold for the die temperature. If enabled, the die temperature rising above this level will trigger an alarm
and an SMBALERT.
esr_hi_lvl (0x15) R
SNSC
/64 per LSB
ESR High Level: This is an alarm threshold for the measured stack ESR. If enabled, a measurement of stack ESR exceeding this level will trigger an alarm
and an SMBALERT.
cap_lo_lvl (0x16) 336µF • R
T
/R
TST
per LSB
Capacitance Low Level: This is an alarm threshold for the measured stack capacitance. If enabled, if the measured stack capacitance is less than this level
it will trigger an alarm and an SMBALERT. When ctl_cap_scale is set to one the constant is 3.36 • R
T
/R
TST
.
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