Installation and Operation
©
2005 Microchip Technology Inc.
DS51555A-page 9
FIGURE 2-2:
Simulated Battery Load.
2.3.1.3
STATUS LED
1.
The MCP1630 Low-Cost Li-Ion Battery Charger has an LED to indicate charge
status or fault status. Table 2-1 represents the state of the LED during various
states of the charge cycle.
2.3.1.4
PROGRAMMING
Header J3 is provided for in-system circuit programming.
TABLE 2-1:
STATUS OUTPUT
CHARGE CYCLE STATE
LED
Qualification
OFF
Preconditioning
ON
Constant Current Fast Charge
ON
Constant Voltage
ON
Charge Complete
OFF
Safety Timer Fault
Flashing (2 Hz, 50% duty cycle)
Cell Temperature Invalid
Flashing (1 Hz, 50% duty cycle)
Battery Disconnected
OFF
Input Power Removed
OFF
+
Variable
Power Supply
0V – 6V
1,000 µF
10V Al
VBAT+
VBAT–
+
–
2
Ω
10W
