MCP73871DM-VPCC Microchip Technology, MCP73871DM-VPCC Datasheet - Page 19

• Manufacturer Part Number: MCP73871DM-VPCC
• Description: DEMO BOARD FOR MCP73871
• Manufacturer: Microchip Technology

Specifications of MCP73871DM-VPCC

• Main Purpose: Power Management, Battery Charger
• Embedded: No
• Utilized Ic / Part: MCP73871
• Primary Attributes: 1 Cell- Li-Ion / Li-Pol, 4.2V @ 100 ~ 500mA: USB, 1A: AC Adaptor
• Secondary Attributes: Safety Timer, Thermal Protection, Automatic Charge Termination and Recharge
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

4.0
The MCP73871 device is a simple, but fully integrated
linear charge management controllers with system
load
operational flow algorithm.
FIGURE 4-1:
© 2009 Microchip Technology Inc.
TEMPERATURE FAULT
sharing
No Charge Current
Timer Suspended
DEVICE OVERVIEW
STAT1 = LOW
STAT2 = LOW
PG = LOW
feature.
MCP73871 Device Flow Chart.
Figure 4-1
CONSTANT VOLTAGE MODE
CHARGE COMPLETE MODE
PRECONDITIONING MODE
depicts
V
FAST CHARGE MODE
Charge Voltage = V
Charge Current = I
SHUTDOWN MODE *
Charge Current = I
BAT
STANDBY MODE *
No Charge Current
STAT1 = LOW
STAT1 = LOW
STAT2 = LOW
Timer Enabled
STAT1 = Hi-Z
STAT2 = Hi-Z
STAT1 = Hi-Z
STAT2 = Hi-Z
STAT2 = Hi-Z
STAT2 = Hi-Z
STAT1 = Hi-Z
STAT1 = LOW
> (V
Timer Reset
V
STAT2 = Hi-Z
PG = LOW
PG = LOW
CE = LOW
V
PG = LOW
PG = LOW
Timer Reset
PG = Hi-Z
PG = LOW
DD
DD
the
REG
< V
< V
I
Timer Expired
V
UVLO
+100 mV)
BAT
V
BAT
BAT
BAT
< I
REG
< V
PREG
> V
REG
TERM
PTH
PTH
V
BAT
Timer Expired
> V
* Continuously Monitored
PTH
MCP73871
No Charge Current
STAT1 = LOW
STAT2 = Hi-Z
TIMER FAULT
STAT1 = LOW
STAT2 = LOW
Timer Reset
V
PG = Hi-Z
PG = LOW
IN
LBO *
< V
DS22090B-page 19
BAT