SM6780AS
SPECIFICATIONS
Absolute Maximum Ratings
VSS = 0V
Parameter
Supply voltage range
Input voltage range
Storage temperature range
Operating temperature range
Power dissipation
Symbol
VDD
V IN
T stg
Topr
PD
DC Characteristics 1
VDD = 4.0 to 5.5V, VSS = 0V, Ta = 25°C
Condition
Rating
Unit
−0.3 to 7.0
V
−0.3 to 7.0
V
−55 to 125
°C
0 to 85
°C
150
mW
Parameter
Maximum temperature voltage
High-temperature sense
voltage
Low-temperature sense voltage
Maximum battery voltage
Symbol
VMXT
V HTS
VLTS
VMXV
Condition
VTEMP ≤ VMXT charge cutoff
VHTS ≤ VTEMP ≤ VLTS charge start
VTEMP > VLTS charge prohibition
VBATT > VMXV charge cutoff or
prohibition
Rating
0.225VDD
0.25VDD
0.4VDD
2.0
Variation
Unit
±5%
V
±5%
V
±5%
V
±5%
V
DC Characteristics 2
VDD = 4.0 to 5.5V, VSS = 0V, Ta = 0 to 85°C unless otherwise noted
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
VDD supply voltage
VDD
4.0
5.0
5.5
V
BATT input voltage
VBATT
0
–
VDD
V
TEMP input voltage
VTEMP Disabled when VTEMP < 0.5V
0.5
–
VDD
V
INH HIGH-level input voltage
V IH1
0.7
–
–
V
INH LOW-level input voltage
V IL1
–
–
0.1
V
TIME HIGH-level input voltage
V IH2
VDD − 0.5
–
–
V
TIME MID-level input voltage
V IM
(VDD/2) − 0.5
–
(VDD/2) + 0.5
V
TIME LOW-level input voltage
V IL2
–
–
0.5
V
BATT −∆V detection voltage range
V DET
1
–
2
V
LEDN output pulse frequency
fLED
–
1
–
Hz
BATT standby voltage
VSTB
VDD − 1.5
–
VDD − 0.5
V
VDD current consumption
IDD
VDD = 5V, no load
–
–
0.5
mA
VDD standby current
ISTB
VDD = 5V, VBATT = VDD, no load
–
–
1
µA
LEDN, CHGN sink current
IOL
VOL = VSS + 0.8V
10
–
–
mA
INH, TIME input leakage current
IL
VINH = VTIME = VSS to VDD
–
–
±1
µA
LEDN, CHGN output leakage
current
IOZ
−5
–
–
µA
NIPPON PRECISION CIRCUITS—3