MCP73862-I/ML Microchip Technology, MCP73862-I/ML Datasheet - Page 14

• Manufacturer Part Number: MCP73862-I/ML
• Description: IC CONTROLLER LI-ION 8.7V 16QFN
• Manufacturer: Microchip Technology

Specifications of MCP73862-I/ML

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 8.7 V ~ 12 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Product: Charge Management
• Output Voltage: 8.442 V
• Output Current: 1200 mA
• Operating Supply Voltage: 8.7 V to 12 V
• Supply Current: 4 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Uvlo Start Threshold: 9.05 V
• Uvlo Stop Threshold: 8.95 V
• Lead Free Status / RoHS Status: Request inventory verification / Request inventory verification

FIGURE 4-2:
Note 1:
Note 2:
Yes
Preconditioning Phase
Charge Current = I
Reset Safety Timer
Temperature OK
The qualification parameters are continuously
monitored throughout the charge cycle. Refer to
Section
Preconditioning” , for details.
The charge current will be scaled based on the
die temperature during thermal regulation. Refer
to Section 4.5, “Thermal Regulation”, for
details.
Safety Timer
V
BAT
Expired
Operational Flow Algorithm.
> V
No
No
PTH
4.1,
No
STAT1 = Off
STAT2 = Flashing
Safety Timer Suspended
Charge Current = 0
PREG
“Charge
Yes
Yes
Fault
Charge Current = 0
Reset Safety Timer
Qualification
V
or EN Low
DD
< V
Yes
UVLO
and
No
STAT1 = Off
STAT2 = On
No
NOTE 2
NOTE 1
NOTE 1
Yes
Yes
Constant Current
Phase
Charge Current = I
Reset Safety Timer
Temperature OK
Temperature OK
V
V
Safety Timer
V
DD
BAT
BAT
Initialize
EN High
Expired
> V
= V
> V
Yes
Yes
Yes
No
No
UVLO
REG
PTH
No
STAT1 = Off
STAT2 = Flashing
Safety Timer Suspended
Charge Current = 0
REG
Yes
No
STAT1 = Off
STAT2 = Off
STAT1 = On
STAT2 = Off
No
STAT1 = Off
STAT2 = Flashing
Charge Current = 0
Yes
Constant Voltage Phase
Output Voltage = V
Safety Timer Suspended
Temperature OK
Elapsed Timer
Charge Current = 0
I
OUT
STAT1 = Flashing
Expired
< I
No
TERM
REG
No
Yes
Charge Termination
Charge Current = 0
Reset Safety Timer
V
V
or EN Low
DD
BAT
< V
< V
Yes
UVLO
RTH
No
STAT1 = Flashing
STAT2 = Off