MCP73861-I/SL Microchip Technology Inc., MCP73861-I/SL Datasheet - Page 17

• Manufacturer Part Number: MCP73861-I/SL
• Description: Highly-Integrated Single Cell Lithium-Ion/Lithium-Polymer Charge Management Cont
• Manufacturer: Microchip Technology Inc.

Specifications of MCP73861-I/SL

• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

6.0
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
FIGURE 6-1:
FIGURE 6-2:
© 2005 Microchip Technology Inc.
APPLICATIONS
Regulation
Voltage
(V
Regulation
Current
(I
Transition
Threshold
(V
Precondition
Current
(I
Termination
Current
(I
REG
PREG
TERM
REG
PTH
Unregulated
Wall Cube
)
)
)
)
)
Typical Application Circuit.
Typical Charge Profile.
Preconditioning
Mode
Precondition
Safety Timer
V
V
V
V
SET
DD1
DD2
SS1
R
PROG
STAT1
PROG
Charge
Voltage
1
2
3
4
Constant-Current
Mode
Fast Charge
Safety Timer
16
5
R
R
MCP73861
T1
T2
15
6
14
7
EN
Constant-current
Figure 6-1 depicts a typical stand-alone application
circuit,
accompanying charge profile.
Elapsed Time
Termination Timer
13
8
TIMER
V
12
11
10
C
SS2
9
TIMER
V
V
V
V
BAT3
BAT2
BAT1
SS3
while
Charge
Current
Constant-Voltage
Mode
MCP73861/2/3/4
Figures 6-2
followed
+
–
Single
Lithium-Ion
Cell
by
and 6-3
Constant-voltage.
DS21893C-page 17
depict
the