Overview
The LM26CIM5-TPA/NOPB is a highly accurate, factory-preset thermostat manufactured by Texas Instruments. This device integrates an internal temperature sensor, reference voltage, DAC, and comparator, making it a comprehensive solution for temperature monitoring and control. The LM26CIM5-TPA/NOPB is specifically preset with a trip point of 85°C and features an open-drain digital output. It is designed to operate within a wide temperature range and requires no external components, simplifying its integration into various systems.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Power Supply Voltage (V+) | 2.7 | 5.5 | V | |
| Power Supply Current | 16 | 40 | μA | |
| Trip Point Accuracy | ±3 | ±4 | °C | |
| Trip Point Hysteresis | 2 | 10 | °C | |
| VTEMP Output Temperature Sensitivity | -10.82 | mV/°C | ||
| Input Voltage | 6 | V | ||
| Storage Temperature | -65 | 150 | °C | |
| Junction-to-Ambient Thermal Resistance (RθJA) | 250 | °C/W |
Key Features
- Factory-programmable trip point between -55°C and 120°C in 1°C increments.
- Open-drain or push-pull digital output configurable for overtemperature or undertemperature shutdown events.
- Internal temperature sensor with VTEMP output for temperature monitoring.
- Selectable hysteresis (2°C or 10°C) controlled by the HYST pin.
- No external components required.
- Excellent power supply noise rejection.
- UL recognized component.
- Available in a 5-pin SOT-23 package.
Applications
- Microprocessor thermal management.
- Appliances.
- Portable battery-powered systems.
- Fan control.
- Industrial process control.
- HVAC systems.
- Remote temperature sensing.
- Electronic system protection.
Q & A
- What is the trip point of the LM26CIM5-TPA/NOPB? The trip point of the LM26CIM5-TPA/NOPB is preset at 85°C.
- What types of digital output are available for the LM26? The LM26 can have either an open-drain or push-pull digital output.
- How is the hysteresis controlled in the LM26? The hysteresis is controlled by the state of the HYST pin, allowing for either 2°C or 10°C hysteresis.
- What is the VTEMP output used for? The VTEMP output provides a voltage proportional to the temperature, allowing for temperature monitoring.
- What is the power supply voltage range for the LM26? The power supply voltage range is from 2.7 V to 5.5 V.
- What is the typical power supply current of the LM26? The typical power supply current is 16 μA.
- What are the storage temperature limits for the LM26? The storage temperature range is from -65°C to 150°C.
- What package type is the LM26CIM5-TPA/NOPB available in? It is available in a 5-pin SOT-23 package.
- What are some common applications of the LM26? Common applications include microprocessor thermal management, appliances, portable battery-powered systems, and industrial process control.
- Does the LM26 require any external components? No, the LM26 does not require any external components.
