Overview
The PCT2075GVH, produced by NXP USA Inc., is a high-accuracy digital temperature sensor and thermal watchdog. It features an on-chip band gap temperature sensor and utilizes Sigma-Delta A-to-D conversion to provide precise temperature measurements. This device is designed to operate within a temperature range of -25 °C to +100 °C with an accuracy of ±1 °C, and it can measure temperatures as low as -55 °C and as high as +125 °C. The PCT2075GVH is a versatile component that can be used in various applications requiring accurate temperature monitoring and control.
Key Specifications
| Specification | Value |
|---|---|
| Temperature Accuracy | ±1 °C (-25 °C to +100 °C) |
| Temperature Range | -55 °C to +125 °C |
| Resolution | 0.125 °C (11-bit two’s complement data) |
| Power Supply Range | 2.7 V to 5.5 V |
| Interface | I2C-bus Fast-mode Plus |
| Package Type | TSOP6 |
| OS Output | Open-drain, selectable mode (comparator or interrupt) |
| Logic Address Pins | Three selectable logic address pins |
| Environmental Compliance | PbFree, EU RoHS, Halogen Free, REACH SVHC compliant |
Key Features
- Pin-for-pin replacement for LM75 series, allowing up to 27 devices on the same bus.
- High temperature resolution of 0.125 °C.
- Overtemperature detection output with programmable set-point limits and hysteresis.
- Configurable operation modes: normal and shutdown.
- SDA and SCL inputs are overvoltage tolerant to 5.5 V.
- SDA and OS open-drain outputs can be pulled up to 5.5 V regardless of supply voltage.
- Four data registers: Configuration, Temperature, Overtemperature shutdown threshold, and Hysteresis.
Applications
The PCT2075GVH is suitable for a variety of applications that require precise temperature monitoring and control, such as:
- Industrial automation and control systems.
- Medical devices and equipment.
- Aerospace and defense systems.
- Automotive systems, particularly in engine and battery management.
- Consumer electronics, including smartphones and laptops.
- Data centers and server rooms for temperature monitoring.
Q & A
- What is the temperature accuracy of the PCT2075GVH?
The PCT2075GVH has a temperature accuracy of ±1 °C over the range of -25 °C to +100 °C. - What is the temperature range that the PCT2075GVH can measure?
The device can measure temperatures from -55 °C to +125 °C. - What is the resolution of the temperature measurements?
The temperature resolution is 0.125 °C, provided by an 11-bit two’s complement data format. - What interface does the PCT2075GVH use for communication?
The device uses the I2C-bus Fast-mode Plus interface. - What are the power supply requirements for the PCT2075GVH?
The power supply range is from 2.7 V to 5.5 V. - Is the PCT2075GVH environmentally compliant?
Yes, it is PbFree, EU RoHS, Halogen Free, and REACH SVHC compliant. - Can the PCT2075GVH be used as a stand-alone thermostat?
Yes, it can be used as a stand-alone thermostat with pre-defined temperature set points. - How many devices can be connected on the same I2C-bus?
Up to 27 devices can be connected on the same bus without address conflict. - What are the configurable operation modes of the PCT2075GVH?
The device can be configured for normal operation mode or shutdown mode to minimize power consumption. - Can the OS output be configured?
Yes, the OS output can be configured in either comparator mode or interrupt mode, and its active state can be selected as either HIGH or LOW.
