Ultracompact, 1.5 A Thermoelectric Cooler (TEC) Controller, SGM41298 Replace ADN8834.
SGM41298
SGM41298.pdf
SGM41298.pdfFEATURES
• High Efficiency Single Inductor Architecture
• Integrated Low RDSON MOSFETs for the TEC
Controller
• TEC Voltage and Current Monitoring
• No External Sense Resistor Required
• Independent Heating and Cooling Current-Limit
Settings Programmable Maximum TEC Voltage
• PWM Driver Switching Frequency: 2.0MHz (TYP)
• Two Zero-Drift, Rail-to-Rail Chopper Amplifiers
• Compatible with NTC or RTD Thermal Sensors
• 2.50V Output Voltage Reference
• Temperature Lock Indicator
• Available in a Green TQFN-6×6-36L Package
PIN CONFIGUTION
CROSS
FEATURES
• Patented high efficiency single inductor architecture
• Integrated low RDSON MOSFETs for the TEC controller
• TEC voltage and current operation monitoring
• No external sense resistor required
• Independent TEC heating and cooling current limit settings
• Programmable maximum TEC voltage
• 2.0MHz PWM driver switching frequency
• External synchronization
• Two integrated, zero drift, rail-to-rail chopper amplifiers
• Capable of NTC or RTD thermal sensors
• 2.50 V reference output with 1% accuracy
• Temperature lock indicator
• Available in a 25-ball, 2.5 mm × 2.5 mm WLCSP or in a
24-lead, 4 mm × 4 mm LFCSP
PIN CONFIGUTION
