Status: Discontinued | Data Sheet: pdf link image   | RoHS Compliance: Rohs Compliant
Overview

Qorvo’s ACT8847 PMIC is a complete, cost effective, and highly-efficient ActivePMU™ power management solution optimized for the power, voltage sequencing and control requirements of the Samsung Exynos 4210 (S5PC210/S5PV310) and other application processors.

The product features four fixed-frequency, current-mode, synchronous PWM step-down converters that achieve peak efficiencies of up to 97%. These regulators operate with a fixed frequency of 2.25 MHz, minimizing noise in sensitive applications and allowing the use of small external components. Dynamic Voltage Scaling (DVS) is supported either by dedicated control pins, or through the I2C interface to optimize the energy-per-task performance for the processor. This device also includes eight low-noise LDOs, one always-on LDO and an integrated backup battery charger to provide a complete power system for the processor. The power sequence and reset controller provides power-on reset, SW-initiated reset and power cycle reset for the processor.

Multiple sleep modes with autonomous sleep and wake-up sequence control are supported. The thermal management and protection subsystem allows the host processor to manage the power dissipation of the PMU and the overall system dynamically.

ACT8847 is available in a compact, Pb-free and RoHS compliant TQFN66-48 package.

Key Features
  • Integrated power supplies
  • 4 DC/DC step-down (buck) regulators
  • 5 low noise LDOs
  • 3 low input voltage LDOs
  • 1 low IQ keep-alive LDO
  • Backup battery charger
  • 6 general purpose I/Os with PWM drivers
  • I2C serial interface
  • Interrupt controller
  • Reset interface and sequencing controller
  • Multiple sleep modes
Typical Applications
  • Freescale i.Mx Processor applications
  • Tablet PC
  • Mobile Internet Devices (MID)
  • Ebooks
  • Personal Navigation Devices
Part Number:
ACT8847QM102-T
Manufacturer:
Qorvo
Application Processors:
Freescale i.MX51, i.MX53, i.MX6; Samsung S5PC210, S5PV310
Battery Charger:
No
Buck Converters:
4
LDO Regulators:
9
Interface:
I2C
Package Type:
48-pin, TQFN
Package:
6.0 x 6.0 mm

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