11.3. Temperature Sensing Diode
The Arria® V TSD uses the characteristics of a PN junction diode to determine die temperature. Knowing the junction temperature is crucial for thermal management. You can calculate junction temperature using ambient or case temperature, junction-to-ambient (ja) or junction-to-case (jc) thermal resistance, and device power consumption. Arria® V devices monitor its die temperature with the internal TSD with built-in analog-to-digital converter (ADC) circuitry or the external TSD with an external temperature sensor. This allows you to control the air flow to the device.
All Arria V devices support internal TSD only except for Arria V GZ devices that support both internal and external TSDs.
Internal Temperature Sensing Diode
External Temperature Sensing Diode
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