MCP73864T-I/ML Datasheet

  • MCP73864T-I/ML

  • IC CONTROLLER LI-ION 8.4V 16QFN

  • 443.80KB

  • 28页

  • Microchip   Microchip

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MCP73861/2/3/4
6.0
APPLICATIONS
The MCP7386X is designed to operate in conjunction
with a host microcontroller or in stand-alone applica-
tions. The MCP7386X provides the preferred charge
algorithm for Lithium-Ion and Lithium-Polymer cells
Constant-current followed by Constant-voltage.
Figure 6-1 depicts a typical stand-alone application
circuit, while Figures 6-2 and 6-3 depict the
accompanying charge profile.
Unregulated
Wall Cube
STAT1
16
V
SET
V
DD1
V
DD2
V
SS1
1
2
3
4
5
STAT2
15
EN V
SS2
14 13
12
V
BAT3
V
BAT2
V
BAT1
V
SS3
+
Single
鈥?/div>
Lithium-Ion
Cell
MCP73861
11
10
9
6
THREF
THERM
7
PROG
R
PROG
8
TIMER
C
TIMER
R
T1
R
T2
FIGURE 6-1:
Typical Application Circuit.
Preconditioning
Mode
Constant-Current
Mode
Constant-Voltage
Mode
Regulation
Voltage
(V
REG
)
Regulation
Current
(I
REG
)
Charge
Voltage
Transition
Threshold
(V
PTH
)
Precondition
Current
(I
PREG
)
Termination
Current
(I
TERM
)
Precondition
Safety Timer
Fast Charge
Safety Timer
Charge
Current
Elapsed Time
Termination Timer
FIGURE 6-2:
Typical Charge Profile.
2005 Microchip Technology Inc.
DS21893C-page 17

MCP73864T-I/ML 产品属性

  • Microchip

  • 电池管理

  • Li-Ion, Li-Poly

  • 8.2 V, 8.4 V

  • 1200 mA

  • + 85 C

  • - 40 C

  • QFN

  • Reel

  • SMD/SMT

  • 3300

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