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AS3712 Power Management Unit

3 buck DC-DC, 8 LDOs, 3 boost DC-DC, general purpose ADC

Features

  • OTP programmable boot sequence
  • 4MHz DC-DC operation
  • Backlight boost and current sinks

Benefits

  • Flexible and fast adaptation to different processors/applications
  • Compact design due to small coils
  • Multi-feature, small footprint

Product parameters

DC-DC Step Up Converters 3x general purpose (voltage or current output)
DC-DC Step Down Converters 1.5A + 2x1A or 2A + 1.5A
Special LDOs [mA] 2x250
Universal LDOs [mA] 6x300
Current Sinks [mA] 3x40 (HV)
Charge Pump [V/mA]
Audio DAC [dB SNR]
Audio ADC [dB SNR]
Audio Features
General Purpose ADC [bit] 10
Charger
Customizable Startup Sequences Programmable
Package QFN-56 (7x7)-0.4

General Description

The programmable power management unit AS3712 features 3x DC-DC buck converters, 3x boost converters, 8 low noise LDOs and a general purpose ADC. The high level of integration and the 4MHz switching frequencies ensure small system footprint.

Not Recommended for New Designs
ams AG is discontinuing production of this device.

This product suits for the following applications:

  • Set-top boxes
  • Portable media players
  • Portable navigation devices
  • E-books
  • Mobile internet devices
  • Tablet PCs

Resources

Type Description Language
Software Eval SW 1-1-8-0 English

Technical Documents

Type Description Language
Datasheet Document version 2-00 English

Notifications

Type Description Language
EoL Notification AS2540, AS13xx, AS3668, AS3709, AS371x, AS7620 (issued 2019-Jun) English

Other Information

Type Description Language
Block Diagram AS3712 Block Diagram English
Factsheet Smart Power Management English
Factsheet Smart Power English

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