LTC3350_15 Datasheet, PDF (38/46 Pages) Linear Technology – High Current Supercapacitor Backup Controller and System Monitor

LTC3350
Register Descriptions
meas_cap (0x1E)
Measured capacitor stack capacitance value. When ctl_cap_scale is set to one the constant is 3.36µF • R_TST/R_T.
336µF • R_TST/R_T per LSB
meas_esr (0x1F)
Measured capacitor stack equivalent series resistance (ESR) value
R_SNSC/64 per LSB
meas_vcap1 (0x20)
Measured voltage between the CAP1 and CAPRTN pins.
183.5µV per LSB
meas_vcap2 (0x21)
Measured voltage between the CAP2 and CAP1 pins.
183.5µV per LSB
meas_vcap3 (0x22)
Measured voltage between the CAP3 and CAP2 pins.
183.5µV per LSB
meas_vcap4 (0x23)
Measured voltage between the CAP4 and CAP3 pins.
183.5µV per LSB
meas_gpi (0x24)
Measurement of GPI pin voltage.
183.5µV per LSB
meas_vin (0x25)
Measured Input Voltage.
2.21mV per LSB
meas_vcap (0x26)
Measured Capacitor Stack Voltage.
1.476mV per LSB
meas_vout (0x27)
Measured Output Voltage.
2.21mV per LSB
meas_iin (0x28)
Measured Input Current.
1.983µV/R_SNSI per LSB
meas_ichg (0x29)
Measured Charge Current.
1.983µV/R_SNSC per LSB
meas_dtemp (0x2A)
Measured die temperature.
Temperature = 0.028°C per LSB – 251.4°C
38
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