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TPS6521825 Folha de dados(PDF) 2 Page - Texas Instruments |
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TPS6521825 Folha de dados(HTML) 2 Page - Texas Instruments |
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2 / 109 page ![]() 2 TPS6521825 SLDS260 – NOVEMBER 2019 www.ti.com Submit Documentation Feedback Product Folder Links: TPS6521825 Device Overview Copyright © 2019, Texas Instruments Incorporated (1) For all available packages, see the orderable addendum at the end of the data sheet. Three hysteretic step-down converters are targeted at providing power for the processor core, MPU, and DDRx memory. The default output voltages for each converter can be adjusted through the I2C interface. DCDC1 and DCDC2 feature dynamic voltage scaling to provide power at all operating points of the processor. DCDC1 and DCDC2 also have programmable slew rates to help protect processor components. DCDC3 remains powered while the processor is in sleep mode to maintain power to DDRx memory. Backup power provides two step-down converters for the tamper, RTC, or both domains of the processor if system power fails or is disabled. If both system power and coin-cell battery are connected to the PMIC, power is not drawn from the coin-cell battery. A separate power good signal monitors the backup converters. A battery backup monitor determines the power level of the coin-cell battery. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS6521825 VQFN (48) 6.00 mm × 6.00 mm |
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