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参数资料
| 型号： | LTC2942IDCB#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： | -40°C ~ 85°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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