MCP73871-2CAI/ML Microchip Technology, MCP73871-2CAI/ML Datasheet - Page 13

• 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

Note: Unless otherwise indicated, V
FIGURE 2-25:
FIGURE 2-26:
(130 mAh Li-Ion Battery).
© 2009 Microchip Technology Inc.
4.5
3.5
2.5
1.5
0.5
4
3
2
1
0
0
0.1
Time (Minutes)
0.2
Startup Delay.
Complete Charge Cycle
Time (ms)
0.3
MCP73871
V
SEL = Low
PROG2 = Low
DD
IN
0.4
= 5.2V
= [V
REG
0.5
0.5
0.4
0.3
0.2
0.1
0
(typical) + 1V], I
OUT
FIGURE 2-27:
(1000 mAh Li-Ion Battery).
FIGURE 2-28:
Preconditioning (1000 mAh Battery).
= 10 mA and T
4.5
3.5
2.5
1.5
0.5
4.5
3.5
2.5
1.5
0.5
4
3
2
1
0
4
3
2
1
0
0
0
Preconditioning
10
0.2
20
A
= +25°C, Constant-voltage mode.
Time (Minute)
Time (Minute)
30
0.4
Complete Charge Cycle
Typical Charge Profile in
Preconditioning Threshold Voltage
Fast Charge (Constant Current)
MCP73871
40
0.6
50
MCP73871
V
R
R
MCP73871
V
R
R
DD
PROG1
PROG3
DD
PROG1
PROG3
60
= 5.2V
DS22090B-page 13
= 5.2V
0.8
= 1 kΩ
= 25 kΩ
= 1 kΩ
= 25 kΩ
70
80
1
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0