MCP73871-3CCI/ML Microchip Technology, MCP73871-3CCI/ML Datasheet - Page 19
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MCP73871-3CCI/ML
Manufacturer Part Number
MCP73871-3CCI/ML
Description
USB/AC Battery Charger With Power Path Management 20 QFN 4x4mm TUBE
Manufacturer
Microchip Technology
Specifications of MCP73871-3CCI/ML
Function
Charge Management
Battery Type
Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
Voltage - Supply
4.4 V ~ 6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-VFQFN Exposed Pad
Product
Charge Management
Output Voltage
4.35 V
Output Current
50 mA to 1000 mA
Operating Supply Voltage
4.65 V to 6 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MCP73871DM-VPCC - DEMO BOARD FOR MCP73871MCP73871EV - EVALUATION BOARD FOR MCP73871
Lead Free Status / Rohs Status
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