i.MX RT1010 Product Lifetime Usage Estimates
●This document describes the estimated product lifetimes for the i.MX RT1010 applications processors based on the criteria used in the qualification process.
●The product lifetimes described here are estimates and do not represent a guaranteed lifetime of the processor.
●The i.MX RT series consist of an extensive number of processors that deliver a wide range of processing and multimedia capabilities across various qualification levels.
●This document guides on how to interpret different i.MX RT1010 qualification levels in terms of the target operating frequency of the device, the maximum supported junction temperature (Tj) of the processor, and how this relates to the lifetime of the device.
●Each qualification level supported, commercial and industrial, defines a number of Power-on Hours (PoH) available to the processor under a given set of conditions, such as:
■The target frequency for the application, commercial and industrial.
▲The target frequency is determined by the input voltage to the processor's core complex (VDD_SOC_IN).
▲The use of the DCDC-enabled or DCDC-bypass modes.
▲When using the DCDC-bypass mode, the target voltage should not be set to the minimum specified in the datasheet. All power management ICs have allowable tolerances. The target voltage must be set higher than the minimum specified voltage to account for the tolerance of the PMIC. The tolerance assumed in the calculations in this document is +/25 mV.
▲The DCDC-enabled mode uses the DCDC module to create a power supply for the core logic on the i.MX RT series. The DCDC module is well characterized and can be set to output the exact minimum specified voltage. Longer Power-on-Hours can be achieved using the DCDC-enabled mode.
■The percentage of active use compared to standby.
▲Active use means that the processor is running in an active performance mode.
▲For the commercial tiers, there are two performance modes available: 500 MHz and 400 MHz.
▲In the DSM mode, the datasheet defines lower operating conditions for VDD_SOC_IN, reducing the power consumption and junction temperature. In this mode, the voltage and temperature are set low enough so that the effect on the lifetime calculations is negligible and treated as if the device was powered off.
■The junction temperature (Tj) of the processor.
▲The maximum junction temperature of the device is different for each tier of the product. For example, 95 °C for commercial and 105 °C for industrial. This maximum temperature is guaranteed by the final test.
●Ensure that your device is appropriately thermally managed and the maximum junction temperature is not exceeded.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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10/2020 |
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Rev. 0 |
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AN13025 |
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1.6 MB |
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