Overview
The TMP300BIDCKR, manufactured by Texas Instruments, is a low-power, resistor-programmable, digital output temperature switch. This device is designed to provide a flexible and accurate temperature monitoring solution. It allows users to set a threshold point by connecting a resistor to the TSET pin, making it highly customizable for various applications. The TMP300BIDCKR also features an analog temperature output and supports a wide supply voltage range from 1.8 V to 18 V, enhancing its versatility in different electronic systems.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Temperature Measurement Range | VS = 2.35 V to 18 V | -40 | - | +125 | °C |
| Total Accuracy | TA = -40°C to +125°C | ±2 | - | ±6 | °C |
| RSET Equation | TC in °C | - | RSET = 10 (50 + TC)/3 | - | kΩ |
| Hysteresis Set Input | HYSTSET = GND | 5 | - | 5 | °C |
| Digital Output Logic Family | - | - | CMOS | - | - |
| Quiescent Current | VS = 1.8 V to 18 V, TA = -40°C to +125°C | 110 | - | 110 | μA |
| Thermal Resistance (SC70) | - | 250 | - | 250 | °C/W |
Key Features
- Resistor-Programmable Temperature Switch: Allows users to set the trip point using an external resistor.
- Analog Temperature Output: Provides an analog voltage output proportional to the temperature.
- Wide Supply Voltage Range: Operates from 1.8 V to 18 V, making it suitable for a variety of applications.
- Low Power Consumption: Quiescent current of 110 μA, ideal for battery-powered devices.
- Adjustable Hysteresis: Hysteresis can be set to 5°C or 10°C by connecting the HYSTSET pin to GND or V+, respectively.
- CMOS Digital Output: Open-drain output with CMOS logic levels.
Applications
The TMP300BIDCKR is suitable for various applications requiring temperature monitoring and control, such as:
- Industrial Automation: Temperature monitoring in industrial control systems.
- Consumer Electronics: Overheat protection in electronic devices like smartphones, laptops, and televisions.
- Automotive Systems: Temperature monitoring in automotive electronics and battery management systems.
- Medical Devices: Temperature control and monitoring in medical equipment.
- Environmental Monitoring: Temperature measurement in environmental monitoring systems.
Q & A
- What is the operating temperature range of the TMP300BIDCKR?
The TMP300BIDCKR operates over a temperature range of -40°C to +125°C. - How is the trip point set in the TMP300BIDCKR?
The trip point is set by connecting a resistor to the TSET pin, using the equation RSET = 10 (50 + TC)/3. - What is the supply voltage range for the TMP300BIDCKR?
The device operates with a supply voltage range from 1.8 V to 18 V. - What is the quiescent current of the TMP300BIDCKR?
The quiescent current is 110 μA over the specified temperature range. - How can the hysteresis be adjusted in the TMP300BIDCKR?
The hysteresis can be set to 5°C or 10°C by connecting the HYSTSET pin to GND or V+, respectively. - What type of digital output does the TMP300BIDCKR have?
The device has a CMOS open-drain digital output. - What is the thermal resistance of the SC70 package?
The thermal resistance of the SC70 package is 250 °C/W. - Does the TMP300BIDCKR provide an analog temperature output?
Yes, the device provides an analog voltage output proportional to the temperature. - What are some common applications for the TMP300BIDCKR?
Common applications include industrial automation, consumer electronics, automotive systems, medical devices, and environmental monitoring. - Where can I find detailed specifications and datasheets for the TMP300BIDCKR?
Detailed specifications and datasheets can be found on the Texas Instruments website and other electronic component distributors like Mouser and Digi-Key.
