Overview
The LM26CIM5-TPA, manufactured by Texas Instruments, is a precision, single digital output, low-power thermostat. It integrates an internal reference, DAC, temperature sensor, and comparator. Factory-programmable, it supports various trip points and digital output functionalities. The trip point (TOS) can be preset at any temperature between -55°C and 110°C in 1°C increments. This device is designed for applications requiring precise temperature monitoring and control, making it suitable for industrial, automotive, and consumer electronics markets.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | Temperature | ||
| Series | PowerWise® | ||
| Manufacturer | Texas Instruments | ||
| Sensing Temperature | 85°C | Trip Point | |
| Output Type | Active-Low/Open-Drain | ||
| Supply Voltage | 2.7 V ~ 5.5 V | ||
| Accuracy | ±3°C | ||
| Package/Case | SC-74A, SOT-753 | ||
| Supplier Device Package | SOT-23-5 | ||
| Packaging | Tape & Reel (TR) |
Key Features
- Precision temperature monitoring with factory-programmable trip points.
- Single digital output configurable as open-drain or push-pull.
- Active-high or active-low output options for flexible integration.
- Analog output (VTEMP) provides a voltage proportional to temperature.
- Low power consumption for energy-efficient applications.
Applications
The LM26CIM5-TPA is widely used in applications requiring precise temperature control, such as industrial automation, automotive systems, and consumer electronics. Its programmable trip points and flexible output configurations make it ideal for over-temperature and under-temperature shutdown systems, ensuring reliable operation in critical environments.
Q & A
What is the operating voltage range of the LM26CIM5-TPA?
The operating voltage range is 2.7 V to 5.5 V.
What is the accuracy of the temperature sensor?
The temperature sensor has an accuracy of ±3°C.
Can the trip point be customized?
Yes, the trip point (TOS) can be factory-programmed between -55°C and 110°C in 1°C increments.
What output configurations are available?
The output can be configured as open-drain or push-pull, with active-high or active-low options.
What is the purpose of the VTEMP output?
The VTEMP output provides a voltage proportional to the temperature, with a slope of -10.82 mV/°C.
Is the LM26CIM5-TPA suitable for automotive applications?
Yes, its precision and reliability make it suitable for automotive temperature monitoring and control systems.
What is the typical hysteresis value?
The hysteresis (THYST) can be set to 2°C or 10°C, controlled by the HYST pin.
What is the package type of the LM26CIM5-TPA?
It is available in a 5-pin SOT-23 package.
Can the LM26CIM5-TPA be used in low-power applications?
Yes, it is designed for low power consumption, making it ideal for energy-efficient systems.
How is the digital output used in over-temperature shutdown?
When configured for over-temperature shutdown (OS), the output goes LOW when the temperature exceeds the trip point and returns HIGH when the temperature drops below (TOS - THYST).
