ADM1033ARQZ-RL7

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ADM1033ARQZ-RL7 application field and working principle

ADM1033ARQZ-RL7 belongs to PMIC - Thermal Management, with the feature of being a high-precision, integrated two-channel temperature monitor and fan controller, making it ideal for monitoring server, storage and other enterprise applications, where fan control and/or temperature measurement is required. It offers a monitoring accuracy of ±2°C, with support for high-speed pulse width modulation (PWM) fan control.

The ADM1033ARQZ-RL7 has a wide operating temperature range of -40°C to +200°C and can measure a single diode temperature output. It supports up to an input temperature range of about -80°C to +125°C for reliable operation. This makes it suitable for monitoring temperatures of a variety of sources, such as CPUs, hard drive enclosures and other server components. It is basic premise of accident prevention, which could prevent the system from burning out or being damaged.

The ADM1033ARQZ-RL7 includes a two-channel temperature measurements system, which is capable of monitoring and triggering alarms based on temperatures of the two individual sources. The device can also control the two PWM fan outputs based on one temperature-sensor input and provides multiple outputs for fan speed control, allowing the ability to set two temperature set-points and two corresponding fan speeds. It also has Comparator or ADC temperature monitoring and built-in over-temperature shutdown latch.

The ADM1033ARQZ-RL7 has an Emulation Mode that helps saves power in applications that don\'t require fan control. This device has an optional watchdog timer, designed to restart computers after a crash. Additionally, a startup delay that can help deter false alarms during the power-up sequence. The shutdown and restart circuitry is designed to be independent from the CPU, making it more reliable in the event of a CPU fault.

In addition, the ADM1033ARQZ-RL7 features a hardware-only reset pin that can be used to reset the device (if required), without needing to host the device during reset or programming cycles. This infrastructure provides flexibility of applications by allowing monitoring Fans speed and temperature control without interrupting system operation and thereby ensuring reliability and performance of the system.

Finally, the ADM1033ARQZ-RL7 is RoHS compliant and comes in a 24-pin HTSSOP package, providing a small-footprint design solution with a high packing density. It has less input voltage and requires management duty-cycle setting. It also provides chips temperature monitoring through two temperature sensors. The ADM1033ARQZ-RL7 is designed for a wide range of applications, including datacenter equipment, enterprise servers, and other temperature-sensitive electronics.

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