NCP1800DM42R2G ON Semiconductor, NCP1800DM42R2G Datasheet - Page 8

• 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

Set I
Conditioning Phase
Fault Modes:
1. Charger Low Output (V
2. Runaway Charger (V
3. Battery Removed (V
CHARGE
= I
REG
/10
SNS
CC
CC
Y
> V
> V
< V
OVLO
SOVLO
Figure 15. NCP1800 Charging Operational Flow Chart
UVLO
Set CFLG HIGH
)
V
V
V
)
Fault Mode
Fault Mode
)
CDIS
CDIS
SNS
OR
OR
< V
= LOW
= LOW
N
N
PCTH
Current Regulation Phase
Voltage Regulation Phase
http://onsemi.com
NCP1800
Y
Y
N
N
N
8
Set I
Set CFLG LOW
I
Set CFLG Low
V
V
V
SNS
Fault Mode
Fault Mode
SNS
CDIS
CDIS
CHARGE
< I
OR
OR
> V
= LOW
= LOW
REG
Y
N
N
REG
Y
= I
/10
REG
Y
Y
V
Fault Mode
CDIS
OR
= LOW
Y
Start
N