MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board User’s Guide
DS51849A-page 10
©
2009 Microchip Technology Inc.
FIGURE 2-3:
Simulated Battery Load.
1
9V - 12V
Power
Source
Volt
Meter
R
5
Ω
10W
Microchip
Battery
Charge
Management
Controller
Amp
Meter
V
BAT+
V
BAT-
GND
1000 µF
TABLE 2-2:
MCP73213 CHARGE STATUS OUTPUTS
CHARGE CYCLE STATE
STAT
Shutdown
Hi-Z
Standby
Hi-Z
Preconditioning
L
Constant Current Fast Charge
L
Constant Voltage
L
Charge Complete - Standby
Hi-Z
Temperature Fault
1.6 second 50% D.C. Flashing (Type 1)
Hi-Z (Type 2)
Timer Fault
1.6 second 50% D.C. Flashing (Type 1)
Hi-Z (Type 2)
Preconditioning Timer Fault
1.6 second 50% D.C. Flashing (Type 1)
Hi-Z (Type 2)