NCP1800 ON, NCP1800 Datasheet - Page 5

• Manufacturer Part Number: NCP1800
• Description: Single-Cell Lithium Ion Battery Charge Controller
• Manufacturer: ON

0.2405
0.2415
0.2395
0.2385
3.5
2.5
1.5
0.241
0.239
0.24
3
2
1
26
24
22
20
18
16
14
12
10
8
6
4
2
0
3.5
Figure 3. Pre-Charge Threshold Voltage versus
0.5
4.5
Figure 5. Pre-Charge Current Reference
Figure 7. Full-Charge Current Reference
4
Voltage versus Input Supply Voltage
0.9
V
Voltage versus Battery Voltage
CC
V
5
V
4.5
, INPUT SUPPLY VOLTAGE (V)
CC
Input Supply Voltage
SNS
, INPUT SUPPLY VOLTAGE (V)
1.3
, BATTERY VOLTAGE (V)
5
5.5
V
R
R
1.7
CC
ISEL
SNS
5.5
= 5 V
= 0.4 W
= 60 kW
6
2.1
6
V
R
R
SNS
ISEL
SNS
= 3.6 V
= 0.4 W
= 60 kW
6.5
6.5
2.5
http://onsemi.com
NCP1800
2.9
7
7
5
0.2425
0.2415
0.2405
24.75
24.70
24.65
24.60
24.55
24.50
24.45
24.40
24.35
24.30
24.25
24.20
0.242
0.241
0.243
0.24
24.5
24.4
24.3
24.2
24.1
23.9
23.8
24
Figure 4. Pre-Charge Current Reference Voltage
3.5
3.2
Figure 6. Full-Charge Current Reference Voltage
4.5
Figure 8. End of Charge Reference Voltage
V
R
R
SNS
ISEL
SNS
4
3.4
V
V
= 2.5 V
= 0.4 W
versus Input Supply Voltage
5
= 60 kW
versus Input Supply Voltage
CC
CC
V
SNS
, INPUT SUPPLY VOLTAGE (V)
4.5
, INPUT SUPPLY VOLTAGE (V)
versus Battery Voltage
V
R
R
R
R
CC
ISEL
SNS
ISEL
SNS
, BATTERY VOLTAGE (V)
= 5 V
3.6
5.5
= 0.4 W
= 0.4 W
= 60 kW
= 60 kW
5
5.5
3.8
6
6
4.0
6.5
6.5
4.2
7
7