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SGM4073 - Reset Timer

Description

The SGM4073 can be used as reset timer as well as load management switch.

The device is very suitable for highly integrated applications.

When the mobile device is turned off, press the start key to keep the PMIC at a logic low level for 1.9s to turn on the PMIC.

Features

  • Supply Voltage Range: 1.5V to 5.5V.
  • Factory-Set parameters:  Reset Delay Time: 7.7s  Reset Pulse: 468ms  Turn-On Time: 1.9s  Turn-Off Delay: 7.7s.
  • Adjustable Reset Delay Time.
  • 6A Maximum Continuous Current.
  • 20mΩ (TYP) On-Resistance at VBAT = 3.6V.
  • Output Capacitor Discharge during Reset Period.
  • Slew Rate or Inrush Control with tR: 3ms (TYP).
  • Enable Zero-Second Test.
  • Available in a Green WLCSP-1.31×1.62-12B Package.

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Datasheet preview – SGM4073

Datasheet Details

Part number SGM4073
Manufacturer SG Micro
File Size 620.40 KB
Description Reset Timer
Datasheet download datasheet SGM4073 Datasheet
Additional preview pages of the SGM4073 datasheet.

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Full PDF Text Transcription

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SGM4073 Reset Timer with Integrated Load Switch GENERAL DESCRIPTION The SGM4073 can be used as reset timer as well as load management switch. The device is very suitable for highly integrated applications. When the mobile device is turned off, press the start key to keep the PMIC at a logic low level for 1.9s to turn on the PMIC. Since the Quiescent Current of the SGM4073 is as low as 1μA (TYP), it supports direct interface with low-voltage chipsets and can maintain low power consumption. When the device is used as a reset timer, disconnecting the PMIC from the battery power for 468ms will produce a fixed delay time of 7.7s. The delay time can be adjusted by an external resistor connected between the DELAY_ADJ pin and ground. The SGM4073 also can be used as a load management switch.
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