参数资料
型号: LTC1729CS8-8.4#PBF
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC CTRLR BATT CHRGR LI-ION 8SOIC
标准包装: 100
功能: 充电管理
电池化学: 锂离子(Li-Ion)
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
LTC1729 Series
ELECTRICAL CHARACTERISTICS
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are T A = 25 ° C, V IN = 8V
LTC1729-4.1/LTC1729-4.2
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX
UNITS
I NTC
V NTC-RESET
V NTC-HOT
V NTC-COLD
V OVP
NTC Pin Current
Thermistor Pin Reset Threshold
Thermistor Pin Hot Hold Threshold
Thermistor Pin Cold Hold Threshold
OVP Pin Voltage
V NTC = 1V
High Going Threshold
Low Going Threshold
High Going Threshold
Low Going Threshold
V BAT = 4.1V or V BAT = 4.2V
q
q
q
q
q
q
q
90
0.160
0.460
0.380
2.70
2.10
2.455
100
0.206
0.486
0.405
2.79
2.23
2.465
110
0.240
0.510
0.430
2.90
2.35
2.475
μ A
V
V
V
V
V
V
2.460
2.465
2.470
V
V OL-ST
V OL-VC
I SOFT
Output Low Voltage-STATUS Pin
Output Low Voltage-V C Pin
Status Soft Pull-Down Current
I O = 3mA
I O = 1mA
V STATUS = 4.5V
q
q
q
0.5
0.35
40
0.9
0.6
50
1.2
0.75
65
V
V
μ A
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are T A = 25 ° C, V IN = 12V
LTC1729-8.2/LTC1729-8.4
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX
UNITS
DC CHARACTERISTICS
I CC
V CC Supply Current
V IN = 9V (Below UVLO)
V IN = 12V, V BAT > 9V, No Bat
q
q
1
1.0
6
1.4
12
2.0
μ A
mA
V IN = 12V, V BAT = 5V Trickle
10
17
21
mA
V IN = 12V, V BAT = 7V Charge
q
0.5
3.0
5.0
mA
V LKOH
V LKOL
V IN Undervoltage Lockout High
V IN Undervoltage Lockout Low
q
q
9.5
8.5
10.4
9.6
11.4
10.5
V
V
I VBAT
V BAT Current
V IN = 9V (Below UVLO), V BAT = 8.4V
V IN = 12V, V BAT = 8.5V No Bat
q
q
–1
60
– 0.1
95
1
140
μ A
μ A
V IN = 12V, V BAT = 5V Trickle
– 19
– 12
– 9.5
mA
V IN = 12V, V BAT = 7V Charge
q
– 2.7
– 1.3
– 0.5
mA
V CLAMP
V MAX
V MIN
I SENSE
V C10
I NTC
V NTC-RESET
V NTC-HOT
V NTC-COLD
V OVP
V BAT Clamp
High V BAT Threshold
Low V BAT Threshold
SENSE Pin Current
SENSE Pin C/10 Offset
NTC Pin Current
Thermistor Pin Reset Threshold
Thermistor Pin Hot Hold Threshold
Thermistor Pin Cold Hold Threshold
OVP Pin Voltage
No Bat (External 200 μ A Pull-Up on V BAT )
High Going Threshold
Low Going Threshold
High Going Threshold
Low Going Threshold
Charge State, V SENSE = 7V
Charge State, V C10 = (V BAT – V SENSE )
V NTC = 1V
High Going Threshold
Low Going Threshold
High Going Threshold
Low Going Threshold
V BAT = 8.2V or V BAT = 8.4V
q
q
q
q
q
q
q
q
q
q
q
q
q
q
8.5
8.5
8.5
5.1
4.9
85
90
0.160
0.460
0.380
2.70
2.10
2.455
9
9.013
9
5.4
5.2
100
± 1
100
0.206
0.486
0.405
2.79
2.23
2.465
9.5
9.5
9.5
5.7
5.5
115
± 2.5
110
0.240
0.510
0.430
2.90
2.35
2.475
V
V
V
V
V
μ A
mV
μ A
V
V
V
V
V
V
2.460
2.465
2.470
V
V OL-ST
V OL-VC
I SOFT
Output Low Voltage-STATUS Pin
Output Low Voltage-V C Pin
Status Soft Pull-Down Current
I O = 3mA
I O = 1mA
V STATUS = 4.5V
q
q
q
0.5
0.35
40
0.9
0.6
50
1.2
0.75
65
V
V
μ A
3
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