LTC2942CDCB-1#PBF Linear Technology, LTC2942CDCB-1#PBF Datasheet - Page 5

• Manufacturer Part Number: LTC2942CDCB-1#PBF
• Description: IC, BATTERY FUEL GAUGE LI-ION 5.5V DFN-6
• Manufacturer: Linear Technology

Specifications of LTC2942CDCB-1#PBF

• Battery Management Function: Fuel Gauge, Charge Controller
• Battery Type: Li-Ion
• Supply Voltage Range: 2.7V To 5.5V
• Battery Ic Case Style: DFN
• No. Of Pins: 6
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical perFormance characTerisTics
100
90
60
40
–3
80
70
50
–1
–2
2
1
0
3
2.5
0.1
Total Charge Error vs Differential
Sense Voltage
Supply Current vs Supply Voltage
3.0
3.5
1
–1.0
–0.5
1.0
0.5
V
V
4.0
SENSE
SENSE
0
2.5
Voltage Measurement ADC
Integral Nonlinearity
4.5
+
(mV)
3.0
(V)
10
V
V
5.0
T
SENSE +
SENSE +
A
3.5
T
T
T
= 25°C
A
A
A
= 25°C
= –40°C
= 85°C
5.5
V
= 2.7V
= 4.2V
4.0
SENSE
2942 G04
2942 G01
T
A
T
= –40°C
100
A
6.0
–
4.5
= 85°C
(V)
5.0
–0.25
–0.50
–0.75
–1.00
1.00
0.75
0.50
0.25
2.0
1.5
1.0
0.5
0
0
5.5
2.5
2.5
Total Charge Error
vs Supply Voltage
Shutdown Supply Current
vs Supply Voltage
2942 G07
6.0
3.0
3.0
3.5
3.5
V
V
4.0
SENSE
4.0
SENSE
4.5
+
4.5
+
(V)
(V)
V
V
SENSE
SENSE
5.0
5.0
T
T
T
A
A
A
–1
–2
–3
= –50mV
= –10mV
3
2
1
0
= 25°C
= –40°C
= 85°C
–50
5.5
5.5
Temperature Error vs Temperature
2942 G02
2942 G05
6.0
6.0
–25
TEMPERATURE (°C)
0
–0.25
–0.50
–0.75
–1.00
0.25
1.00
0.75
0.50
–10
10
–2
–4
–6
–8
0
8
6
4
2
0
–50
2.5
25
Total Charge Error vs Temperature
Voltage Measurement ADC
Total Unadjusted Error
3.0
–25
50
T
3.5
A
TEMPERATURE (°C)
75
= 25°C
0
V
T
2942 G08
4.0
SENSE
A
= 85°C
T
25
100
A
LTC2942
= –45°C
4.5
–
(V)
V
V
SENSE
SENSE
50
5.0
= –50mV
= –10mV
75
5.5
2942 G03
2942 G06
2942fa

100
6.0