LTC4015_15 Datasheet, PDF (50/76 Pages) Linear Technology – Multichemistry Buck Battery Charger Controller with Digital Telemetry System

LTC4015
Register Description
Serial Port Register Map. All bits are active high. Registers are unsigned except where noted. All registers contain 16 bits. Unused
register bits as well as registers 0x17, 0x18, 0x49 are reserved and should not be written.
SYMBOL
VBAT_LO_ALERT_LIMIT
SUB R/W ACTIVE DESCRIPTION
ADDR
BITS
0x01 R/W 15:0 Battery voltage low alert limit, signed, same format as VBAT (0x3A)
DEFAULT PAGE
0x0000 57
VBAT_HI_ALERT_LIMIT
VIN_LO_ALERT_LIMIT
VIN_HI_ALERT_LIMIT
VSYS_LO_ALERT_LIMIT
VSYS_HI_ALERT_LIMIT
IIN_HI_ALERT_LIMIT
IBAT_LO_ALERT_LIMIT
DIE_TEMP_HI_ALERT_LIMIT
BSR_HI_ALERT_LIMIT
NTC_RATIO_HI_ALERT_LIMIT
NTC_RATIO_LO_ALERT_LIMIT
EN_LIMIT_ALERTS
en_meas_sys_valid_alert
en_qcount_low_alert
en_qcount_high_alert
en_vbat_lo_alert
en_vbat_hi_alert
en_vin_lo_alert
en_vin_hi_alert
en_vsys_lo_alert
en_vsys_hi_alert
en_iin_hi_alert
en_ibat_lo_alert
en_die_temp_hi_alert
en_bsr_hi_alert
en_ntc_ratio_hi_alert
en_ntc_ratio_lo_alert
EN_CHARGER_STATE_ALERTS
en_equalize_charge_alert
en_absorb_charge_alert
en_charger_suspended_alert
en_precharge_alert
en_cc_cv_charge_alert
0x02 R/W 15:0 Battery voltage high alert limit, signed, same format as VBAT (0x3A)
0x0000 57
0x03 R/W 15:0 Input voltage low alert limit, signed, same format as VIN (0x3B)
0x0000 57
0x04 R/W 15:0 Input voltage high alert limit, signed, same format as VIN (0x3B)
0x0000 57
0x05 R/W 15:0 Output voltage low alert limit, signed, same format as VSYS (0x3C)
0x0000 57
0x06 R/W 15:0 Output voltage high alert limit, signed, same format as VSYS (0x3C)
0x0000 57
0x07 R/W 15:0 Input current high alert limit, signed, same format as IIN (0x3D)
0x0000 57
0x08 R/W 15:0 Charge current low alert limit, signed, same format as IBAT (0x3E)
0x0000 57
0x09 R/W 15:0 Die temperature high alert limit, signed, same format as DIE_TEMP (0x3F) 0x0000 57
0x0A R/W
15:0
Battery series resistance high alert limit, signed, same format as BSR
(0x41)
0x0000 57
0x0B R/W
15:0
Thermistor ratio high (cold battery) alert limit, signed, same format as
NTC_RATIO (0x40)
0x0000 57
0x0C R/W 15:0 Thermistor ratio low (hot battery) alert limit, signed, same format as
NTC_RATIO (0x40)
0x0000 ₅₇
0x0D R/W 15:0 Enable limit monitoring and alert notification via SMBALERT
0x0000 58
0x0D R/W 15 enable meas_sys_valid_alert (0x36)
0
58
0x0D R/W 14 RESERVED
0
0x0D R/W 13 enable qcount_low_alert (0x36)
0
58
0x0D R/W 12 enable qcount_high_alert (0x36)
0
58
0x0D R/W 11 enable vbat_lo_alert (0x36)
0
58
0x0D R/W 10 enable vbat_hi_alert (0x36)
0
58
0x0D R/W 9 enable vin_lo_alert (0x36)
0
58
0x0D R/W 8 enable vin_hi_alert (0x36)
0
58
0x0D R/W 7 enable vsys_lo_alert (0x36)
0
58
0x0D R/W 6 enable vsys_hi_alert (0x36)
0
58
0x0D R/W 5 enable iin_hi_alert (0x36)
0
58
0x0D R/W 4 enable ibat_lo_alert (0x36)
0
59
0x0D R/W 3 enable_die_temp_hi_alert (0x36)
0
59
0x0D R/W 2 enable bsr_hi_alert (0x36)
0
59
0x0D R/W 1 enable ntc_ratio_hi alert (cold battery; 0x36)
0
59
0x0D R/W 0 enable ntc_ratio_lo_alert (hot battery; 0x36)
0
59
0x0E R/W 15:0 Enable charger state alert notification via SMBALERT
0x0000 59
0x0E R/W 10 enable lead-acid equalize_charge_ alert (0x37)
0
59
0x0E R/W 9 enable absorb_charge_alert (0x37)
0
59
0x0E R/W 8 enable charger_suspended_alert (0x37)
0
59
0x0E R/W 7 enable precharge_alert (0x37)
0
59
0x0E R/W 6 enable cc_cv_charge_alert (0x37)
0
59
4015f
50
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