参数资料
型号: SC824ULTRT
厂商: Semtech
文件页数: 4/29页
文件大小: 0K
描述: IC BATTERY MANAGEMENT
标准包装: 1
系列: *
其它名称: SC824ULDKR
SC824
Electrical Characteristics (continued)
Parameter
Battery Leakage Current
IPRGM Programming Resistor
I BAT Fast-Charge Current, adapter mode
or USB High Power mode
USB Low Power mode Fast-Charge
current
I BAT Pre-Charge Current
I BAT Termination Current
VIN - BAT Dropout Voltage
IPRGM Fast-charge Regulated Voltage
IPRGM Pre-charge Regulated Voltage
IPRGM Termination Threshold Voltage
VIN USB Modes Under-Voltage Load
Regulation Limiting Voltage
Symbol
lBAT V0
lBAT DIS
lBAT MON
R IPRGM
I FQ
I FQ_Low
I PreQ
I TERM
V DO
V IPRGM_FQ
V IPRGM_PQ
VT IPRGM_TERM
V UVLR
Conditions
V BAT = V CV , V VIN = 0V, V EN_NTC = 0V
V BAT = V CV , V VIN = 5V, V EN_NTC = 0V
V BAT = V CV , V EN_NTC = 2.3V,
V RTIME = 0V and charging terminated
R IPRGM = 2.94kΩ, VT PreQ < V BAT < V CV
R IPRGM = 4.42kΩ, VT PreQ < V BAT < V CV
R IPRGM = 2.94kΩ, VT PreQ < V BAT < V CV
R IPRGM = 4.42kΩ, VT PreQ < V BAT < V CV
R IPRGM = 2.94kΩ, 1.8V < V BAT < VT PreQ
R IPRGM = 4.42kΩ, 1.8V < V BAT < VT PreQ
R IPRGM = 2.94kΩ, V BAT = V CV
R IPRGM = 4.42kΩ, V BAT = V CV
I BAT = 700mA, 0°C ≤ T J ≤ 125°C
V VIN = 5.0V, VT PreQ < V BAT < V CV
V BAT < VT PreQ
V BAT = V CV
5mA ≤ VIN supply current limit ≤
500mA, V MODE = 2V,
R IPRGM = 2.94kΩ (694mA)
Min
2.05
643
427
105
69
105
69
59
38
4.40
Typ
0.1
0.1
0.1
694
462
139
92
139
92
69
46
0.4
2.04
0.408
0.204
4.51
Max
1
1
1
29.4
745
497
173
116
173
116
80
55
0.6
4.70
Units
μA
μA
μA
mA
mA
mA
mA
V
V
V
V
V
Thermal Limiting Threshold
Temperature
T TL
130
°C
Thermal Limit Rate
VSYS Output Voltage
VSYS Output Current
i T
V VSYS
I VSYS
T J > T TL
V VIN ≥ 5V, I VSYS ≤ 1mA
-50
4.6
1
mA/ °C
V
mA
RT NTC_DIS
RT NTC_HF
Charger Disable/Reset (Falling)
NTC Hot (Falling)
9
29
10
30
11.5
31
%V VSYS
%V VSYS
EN_NTC Thresholds
RT NTC_CR
RT NTC_NBR
NTC Cold (Rising)
No-Battery Mode select (Rising)
74
94
75
95
76
96
%V VSYS
%V VSYS
EN_NTC Hysteresis
EN_NTC Disable/Reset Hold Time (3)
VT NTC_HYS
t NTC_DIS_H
V VIN = 5V
Momentary disable resets charger
500
45
mV
ns
4
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