MCP73844-840I/MS Microchip Technology, MCP73844-840I/MS Datasheet - Page 12

• Manufacturer Part Number: MCP73844-840I/MS
• Description: IC CONTROLLER LI-ION 8.4V 8MSOP
• Manufacturer: Microchip Technology

Specifications of MCP73844-840I/MS

• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Function: Charge Management
• Voltage - Supply: 8.7 V ~ 12 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Output Voltage: 8.442 V
• Output Current: 10 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: 8.90 V
• Uvlo Stop Threshold: 8.85 V
• Input Voltage: 12V
• Battery Charge Voltage: 8.4V
• Charge Current Max: 10mA
• Battery Ic Case Style: MSOP
• No. Of Pins: 8
• No. Of Series Cells: 2
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MCP7383XRD-PPM - REFERENCE DESIGN PWR-PTH MCP7383MCP7384XEV - KIT EVALUATION FOR MCP7384X
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 4-1:
Yes
Preconditioning Phase
Charge Current = I
Reset Safety Timer
Note: The qualification parameters are continuously
Temperature OK
Operational Flow Algorithm -
Safety Timer
V
monitored throughout the charge cycle.
BAT
Expired
> V
No
No
No
STAT1 = Flashing
Safety Timer Suspended
Charge Current = 0
PTH
PREG
Yes
Yes
Fault
Charge Current = 0
Reset Safety Timer
V
or EN Low
DD
< V
Yes
UVLO
MCP73841
No
STAT1 = Flashing
No
Note
Note
and
Yes
Yes
Constant-Current
Phase
Charge Current = I
Reset Safety Timer
MCP73842.
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 = Flashing
Safety Timer Suspended
Charge Current = 0
REG
Yes
No
STAT1 = Off
STAT1 = On
No
STAT1 = Flashing
Charge Current = 0
Yes
Safety Timer Suspended
Constant-Voltage Phase
Output Voltage = V
Temperature OK
Charge Current = 0
Elapsed Timer
STAT1 = Flashing
I
OUT
Expired
< I
No
TERM
REG
No
Yes
Charge Termination
Charge Current = 0
Reset Safety Timer
V
V
or EN Low
DD
Yes
BAT
< V
< V
UVLO
RTH
No
STAT1 = Off