LTC2941CDCB-1#PBF Linear Technology, LTC2941CDCB-1#PBF Datasheet - Page 4

• Manufacturer Part Number: LTC2941CDCB-1#PBF
• Description: IC, BATTERY FUEL GAUGE LI-ION 5.5V DFN-6
• Manufacturer: Linear Technology

Specifications of LTC2941CDCB-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

LTC2941
Timing Diagram
Typical perFormance characTerisTics

–1
–2
–3
3
2
1
0
0.1
Total Charge Error
vs Differential Sense Voltage
t
SDA
SCL
HD, STA
100
1
90
60
40
80
70
50
CONDITION
V
2.5
SENSE
START
Supply Current vs Supply Voltage
3.0
(mV)
10
V
V
3.5
SENSE +
SENSE +
V
4.0
SENSE
= 2.7V
= 4.2V
t
2941 G01
SU, DAT
4.5
+
100
(V)
5.0
T
T
T
Figure 1. Definition of Timing on I
A
A
A
–0.25
–0.50
–0.75
–1.00
= 25°C
= –40°C
= 85°C
t
t
HD, DATO,
HD, DATI
5.5
1.00
0.75
0.50
0.25
2941 G04
0
2.5
Total Charge Error
vs Supply Voltage
6.0
3.0
REPEATED START
3.5
CONDITION
V
4.0
SENSE
t
SU, STA
4.5
+
(V)
V
V
2.0
1.5
1.0
0.5
SENSE
SENSE
t
HD, STA
0
5.0
2.5
Shutdown Supply Current
vs Supply Voltage
= –50mV
= –10mV
2
C Bus
5.5
3.0
2941 G02
t
6.0
3.5
SU, STO
V
4.0
t
SENSE
of
–0.25
–0.50
–0.75
–1.00
CONDITION
1.00
0.75
0.50
0.25
+
4.5
STOP
0
(V)
–50
Total Charge Error vs Temperature
5.0
–25
T
T
T
t
BUF
A
A
A
= 25°C
= –40°C
= 85°C
5.5
2941 G05
TEMPERATURE (°C)
CONDITION
0
START
6.0
2941 F01
25
V
V
SENSE
SENSE
50
= –50mV
= –10mV
75
2941 G03
2941fa
100