参数资料
型号: LTC2942CDCB#TRPBF
厂商: Linear Technology
文件页数: 5/18页
文件大小: 0K
描述: IC FUEL/GAS GAUGE LI-ION 6DFN
标准包装: 2,500
功能: 燃料,电量检测计/监控器
电池化学: 锂离子(Li-Ion)
电源电压: 2.7 V ~ 5.5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 6-WFDFN 裸露焊盘
供应商设备封装: 6-DFN-EP(2x3)
包装: 带卷 (TR)
配用: DC1496B-B-ND - BOARD EVAL LTC2942
LTC2942
TYPICAL PERFORMANCE CHARACTERISTICS
3
2
1
0
–1
Total Charge Error vs Differential
Sense Voltage
1.00
0.75
0.50
0.25
0
–0.25
–0.50
Total Charge Error
vs Supply Voltage
1.00
0.75
0.50
0.25
0
–0.25
–0.50
Total Charge Error vs Temperature
–2
–3
0.1
1
V SENSE (mV)
V SENSE+ = 2.7V
V SENSE+ = 4.2V
10 100
–0.75
–1.00
2.5
3.0
3.5
V SENSE = –50mV
V SENSE = –10mV
4.0 4.5 5.0 5.5 6.0
V SENSE+ (V)
–0.75
–1.00
–50
–25
V SENSE = –50mV
V SENSE = –10mV
0 25 50 75 100
TEMPERATURE (°C)
2942 G01
Supply Current vs Supply Voltage
Shutdown Supply Current
vs Supply Voltage
2942 G02
Voltage Measurement ADC
Total Unadjusted Error
2942 G03
100
90
80
T A = 25°C
T A = –40°C
T A = 85°C
2.0
1.5
10
8
6
4
T A = 85°C
2
70
60
50
40
2.5
3.0
3.5
4.0 4.5
V SENSE+ (V)
5.0
5.5
6.0
1.0
0.5
0
2.5
3.0
3.5
4.0 4.5
V SENSE+ (V)
T A = 25°C
T A = –40°C
T A = 85°C
5.0 5.5 6.0
0
–2
–4
–6
–8
–10
2.5
3.0
T A = –45°C
T A = 25°C
3.5 4.0 4.5 5.0
V SENSE– (V)
5.5
6.0
1.0
2942 G04
Voltage Measurement ADC
Integral Nonlinearity
T A = 85°C
3
2
2942 G05
Temperature Error vs Temperature
2942 G06
0.5
1
0
0
–0.5
T A = 25°C
T A = –40°C
–1
–2
–1.0
2.5
3.0
3.5
4.0 4.5
V SENSE– (V)
5.0
5.5
6.0
–3
–50
–25
0 25 50
TEMPERATURE (°C)
75
100
2942 G07
2942 G08
2942fa
5
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