MCP73871-2CAI/ML Microchip Technology, MCP73871-2CAI/ML Datasheet - Page 3

• Manufacturer Part Number: MCP73871-2CAI/ML
• Description: IC USB/AC BATT CHRGR W/PPM 20QFN
• Manufacturer: Microchip Technology

Specifications of MCP73871-2CAI/ML

• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Function: Charge Management
• Voltage - Supply: 4.4 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-VFQFN Exposed Pad
• Input Voltage: 6V
• Battery Charge Voltage: 4.5V
• Charge Current Max: 1A
• Battery Ic Case Style: QFN
• No. Of Pins: 20
• No. Of Series Cells: 1
• Product: Charge Management
• Output Voltage: 4.2 V
• Output Current: 50 mA to 1000 mA
• Operating Supply Voltage: 4.5 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

Functional Block Diagram
© 2009 Microchip Technology Inc.
STAT1
STAT2
PG
TE
CE
VPCC
V
SS
IN
V
REF
UVLO,
REFERENCE,
CHARGE
CONTROL,
TIMER,
AND
STATUS
LOGIC
+
-
G=0.001
G=0.001
G=0.001
G=0.001
Direction
Direction
Control
Control
CURRENT
LIMIT
CURRENT
LIMIT
CA
CHRG
VA
TERM
HTVT
LTVT
0.2Ω
+
+
+
+
+
+
+
+
-
-
-
-
-
-
-
-
V
REF
V
REF
PRECONDITION
/2
+
-
V
V
V
V
V
V
REF
REF
REF
REF
REF
REF
50 µA
0.2Ω
MCP73871
Ideal
Diode,
Synchronous
Switch
DS22090B-page 3
V
BAT_SENSE
SEL
PROG2
OUT
PROG1
PROG3
THERM
V
BAT