NCP1800DM42R2G ON Semiconductor, NCP1800DM42R2G Datasheet - Page 9

• Manufacturer Part Number: NCP1800DM42R2G
• Description: Battery Management 4.2V Single Cell Lithium-Ion Charger
• Manufacturer: ON Semiconductor

Specifications of NCP1800DM42R2G

• Battery Type: Li-Ion
• Output Voltage: 4.2 V
• Output Current: 20 mA
• Operating Supply Voltage: 2.5 V to 16 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 20 C
• Package / Case: MSOP-8
• Mounting Style: SMD/SMT
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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
)