NCP1800 ON, NCP1800 Datasheet - Page 9

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

CFLG = High
0.9 V
0.1 x I
Voltage
Current
REG
Charge Status
Pre-Charge, Full-Charge and Final Charge
End-of-Charge, Trickle Charge and Faults
Pre-Charge
Phase
I
REG
Figure 16. Typical Charging Algorithm
Conditions
Full-Charge
V
PCTH
Phase
http://onsemi.com
NCP1800
V
REG
9
Final Charge
Phase
CFLG Pin
High-Z
Low
Trickle Charge
Phase
CFLG = Low
(I
SNS
< 0.1 X I
time
time
REG
)