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SM72445
www.ti.com
SNVS795 – MARCH 2012
SM72445 Programmable Maximum Power Point Tracking Controller With Adjustable PWM Frequency
Check for Samples: SM72445
FEATURES
1
•2 Renewable Energy Grade • 110kHz,135kHz or 215kHz PWM Operating
Frequency • Panel Mode Pin for Optional Bypass Switch
Control • Programmable Maximum Power Point Tracking • Photovoltaic Solar Panel Voltage and Current
Diagnostic • Single Inductor Four Switch Buck-Boost
Converter Control • I2C Interface for Communication • Output Overvoltage Protection • Over-Current Protection
PACKAGE
• TSSOP-28
DESCRIPTION
The SM72445 is a programmable MPPT controller capable of controlling four PWM gate drive signals for a 4-switch buck-boost converter.