MCP9509

MCP9509/10 Resistor-Programmable Temperature Switches Features Resistor-Programmable Temperature Switch Wide Operating Voltage Range: 2.7V to 5.5V Low Supply Current: 30 µA (typical) Temperature Switch Accuracy: - ±0.5°C (typical) at +25°C, +45°C - ±1°C (typical) 0°C to +70°C - ±3.5°C (maximum) 0°C to +125°C - ±4.5°C (maximum) -20°C to +125°C - ±2°C (typical) -40°C to +125°C Sensor Options available: - Switch for rising temperature: Cold to Hot (H) - Switch for falling temperature: Hot to Cold (C) Output Configurations: - Open-Drain: – External Pull-up Resistor: MCP9509 – Internal Pull-up Resistor: MCP9510 - Active-Low, Push-Pull: MCP9510 - Active-High, Push-Pull: MCP9510 User Selectable Hysteresis: 2°C or 10°C (typical) Space-Saving SOT-23-5, SOT-23-6 Packages Applications Power Supply Thermal Shutdown Temperature Alarm Thermostat Control Fan Control Base-Stations Automotive Occurrences -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 Typical Performance 20% 16% 12% TA = +45°C VDD = 4.1V 9087 Units 6 Lots 8% 4% 0% Temperature Accuracy (°C) Description Microchip Technology’s MCP9509/10 devices are programmable logic output temperature switches. The temperature switch threshold can be programmed with a single external resistor, which provides high design flexibility and simplicity. In addition, this family of devices provide user programmable features such as 2°C and 10°C (typical) switch hysteresis and output structure configuration. The MCP9509 provides ...