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ACT8865 Datasheet(PDF) 1 Page - Qorvo, Inc |
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ACT8865 Datasheet(HTML) 1 Page - Qorvo, Inc |
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1 / 32 page  ACT8865 Advanced PMU for Atmel SAMA5Dx Series & SAM9 Series Processors Data Sheet Rev. H, September 2019 | Subject to change without notice 1 of 32 www.qorvo.com © 2020 Qorvo US, Inc. All rights reserved. FEATURES • Three Step-Down DC/DC Converters • Four Low-Dropout Linear Regulators • I 2CTM Serial Interface • Advanced Enable/Disable Sequencing Controller • Minimal External Components • Tiny 4×4mm TQFN44-32 Package • 0.75mm Package Height • Pb-Free and RoHS Compliant GENERAL DESCRIPTION The ACT8865 is a complete, cost effective, highly- efficient ActivePMUTM power management solution, optimized for the unique power, voltage-sequencing, and control requirements of the Atmel SAMA5D2 series, SAMA5D3 series: SAMA5D [31/33/34/35/36], and SAM9 series:SAM9G [15/25/35/45/46]; SAM9X[25/35], SAM9M[10/11], SAM9N[11/12] processors. It is ideal for a wide range of high performance portable handheld applications such as human-machine interfaces, control panels, smart grid infrastructures, network gateways, M2M systems, 2D barcode scanners, barcode printers, machine vision equipment, as well as home and commercial building automations, POS terminals, medical devices and white goods. This device features three step-down DC/DC converters and four low-noise, low-dropout linear regulators. The three DC/DC converters utilize a high-efficiency, fixed-frequency (2MHz), current-mode PWM control architecture that requires a minimum number of external components. Two DC/DCs are capable of supplying up to 1150mA of output current, while the third supports up to 1300mA. All four low-dropout linear regulators are high-performance, low-noise, regulators that supply up to 320mA. The ACT8865 is available in a compact, Pb-Free and RoHS-compliant TQFN44-32 package. TYPICAL APPLICATION DIAGRAM ACT8865 Atmel SAMA5Dx REG1 1.8V 1150mA VDDIODDR etc. PUSH BUTTON nPBIN REG2 REG3 REG4 REG5 REG6 REG7 SDA SCL 1.2V 3.3V 1150mA 1300mA 320mA 320mA 320mA 320mA VDDCORE_GBIT ENET etc. VDDIOP etc. VDDFUSE VDDANA Auxiliary 1 Auxiliary 1 TWD TWCK nRSTO nIRQ nPBSTAT NRST FIQ/IRQ GPIO |
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