Overview
The PCT2075GVJ, produced by NXP USA Inc., is a temperature-to-digital converter that offers high accuracy and robust thermal monitoring capabilities. This device features an on-chip band gap temperature sensor and utilizes the Sigma-Delta A-to-D conversion technique, providing ±1 °C accuracy over a temperature range of -25 °C to +100 °C. It is designed as a drop-in replacement for other LM75 series thermal sensors and includes an I2C-bus Fast-mode Plus interface for communication. The PCT2075GVJ also includes an open-drain output for overtemperature detection and can be configured in various operation modes to suit different application needs.
Key Specifications
| Parameter | Value |
|---|---|
| Temperature Accuracy | ±1 °C (-25 °C to +100 °C) |
| Operating Temperature Range | -55 °C to +125 °C |
| Power Supply Range | 2.7 V to 5.5 V |
| Interface | I2C-bus Fast-mode Plus |
| Resolution | 11 bits |
| Package Type | TSOP6, HWSON8, SO8 |
| Output Type | I²C/SMBus |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- Pin-for-pin replacement for LM75 series with support for up to 27 devices on the same bus.
- Programmable overtemperature shutdown and hysteresis limits.
- Open-drain output for overtemperature detection with selectable modes (comparator or interrupt mode) and active state (HIGH or LOW).
- Configurable fault queue for consecutive faults to activate the OS output.
- Normal and shutdown operation modes to manage power consumption.
- Three selectable logic address pins to avoid address conflicts.
- SDA and SCL inputs are overvoltage tolerant to 5.5 V.
Applications
The PCT2075GVJ is designed for a variety of applications, including:
- Automotive systems: Due to its robustness and accuracy, it is well-suited for automotive environments.
- Industrial control systems: For temperature monitoring and control in industrial settings.
- Medical equipment: Where precise temperature monitoring is critical.
- Consumer electronics: For devices requiring accurate temperature sensing and thermal management.
Q & A
- What is the temperature accuracy of the PCT2075GVJ?
The PCT2075GVJ has a temperature accuracy of ±1 °C over the range of -25 °C to +100 °C. - What is the operating temperature range of the PCT2075GVJ?
The operating temperature range is -55 °C to +125 °C. - What interface does the PCT2075GVJ use for communication?
The PCT2075GVJ uses the I2C-bus Fast-mode Plus interface. - What are the power supply requirements for the PCT2075GVJ?
The power supply range is from 2.7 V to 5.5 V. - Can the PCT2075GVJ be used in automotive applications?
Yes, it is designed for easy integration into automotive applications. - How many devices can be connected on the same bus without address conflict?
Up to 27 devices can be connected on the same bus. - What is the resolution of the temperature sensor?
The resolution is 11 bits. - What are the available package types for the PCT2075GVJ?
The available package types include TSOP6, HWSON8, and SO8. - Does the PCT2075GVJ have overtemperature detection capabilities?
Yes, it includes an open-drain output for overtemperature detection. - Can the PCT2075GVJ be configured for different operation modes?
Yes, it can be set in normal mode or shutdown mode to manage power consumption.
