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【整理】芯片:SQ71B 圣邦威电子的电源管理芯片SGM2036

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折腾:

【整理】天猫精灵方糖拆解报告和芯片详解

期间,对于:

中的:

SQ7IB

去找找是什么芯片。

SQ7IB

SQ7I8

SQ71B

都搜不到

后来参考:

三款天猫精灵智能音箱拆解对比:天猫精灵X1、M1、方糖 – 我爱音频网

圣邦威电子 SGM2036 300mA输出低压差稳压器。输出多种固定电压可选。”

-》猜测此处也是:

圣邦威电子 SGM2036

只不过是marking不同?

果然看到:

圣邦威电子 SGM2036 300mA输出低压差稳压器。输出多种固定电压可选。

所以去搜:

sgmicro SQ17B

搜不到。

SGM2036

-》

MODEL

PACKAGE DESCRIPTION

ORDERING NUMBER

PACKAGE MARKING

PACKING OPTION

SGM2036-3.1

3.1

SOT-23-5

SGM2036-3.1YN5G/TR

SQ1XX

Tape and Reel, 3000

-》

原来是:

SGM2036

中的

输出电压是3.1V的

SGM2036-3.1

对外package marking

SG Micro Corp

SGM2036 300mA, Low Power, Low Dropout, RF Linear Regulators

GENERAL DESCRIPTION

The SGM2036 series low-power, low-dropout, CMOS linear voltage regulators operate from a 1.6V to 5.5V input voltage and deliver up to 300mA output current. They are the perfect choice for low voltage, low power applications. A low ground current makes this part attractive for battery operated power systems. The SGM2036 series also offer low dropout voltage to prolong battery life in portable electronics. Systems requiring a quiet voltage source, such as RF applications, will benefit from the SGM2036 series’ low output noise and high PSRR.

Other features include a 10nA logic-controlled shutdown mode, short current limit and thermal shutdown protection.

The SGM2036 has auto-discharge function to quickly discharge VOUT in the disable status.

The SGM2036 is available in Green UTDFN-1×1-4L, SOT-23-5 and SC70-5 packages. It operates over an ambient temperature range of -40℃ to +85℃.

FEATURES

  • • Low Dropout Voltage

  • • Thermal Overload Protection

  • • Built-In Fold Back Protection Circuit

  • • 20μA Low Ground Current

  • • 10nA Logic-Controlled Shutdown

  • • 1.6V to 5.5V Input Voltage Range

  • • Fixed Outputs of 0.8V, 0.9V, 1.0V, 1.05V, 1.1V, 1.2V,

  •    1.3V, 1.35V, 1.5V, 1.8V, 1.85V, 2.1V, 2.2V, 2.3V, 2.5V, 2.6V,

  •    2.7V, 2.8V, 2.85V, 2.9V, 3.0V, 3.1V, 3.3V, 3.6V, 4.2V,

  •    4.4V and 5.0V

  • • Adjustable Output from 0.8V to 5.0V

  • • Short Auto-Discharge Function

  • • 300mA Output Current

  • • High Output Voltage Accuracy

  • • Quick Start-Up Time

  • • -40℃ to +85℃ Operating Temperature Range

  • • Available in Green UTDFN-1×1-4L, SOT-23-5 and SC70-5 packages

APPLICATIONS

  • Cellular Telephones

  • Cordless Telephones

  • PCMCIA Cards

  • Modems

  • MP3 Player

  • Hand-Held Instruments

  • Palmtop Computers

  • Electronic Planners

  • Portable/Battery-Powered Equipment

SGMICRO SGM2036-ADJYN5G/TR – PDF Datasheet – Low Dropout Regulators(LDO) In Stock |

价格:$0.0681/片

Attribute    Value    Search

Category:Power Management ICs/Low Dropout Regulators(LDO)

RoHS

Package:SOT-23-5

Manufacturer:SGMICRO

Brand Category:Made In Asia Brands

【总结】

电路板上的:

SQ7IB

网上找不到。

后来是参考了:

三款天猫精灵智能音箱拆解对比:天猫精灵X1、M1、方糖 – 我爱音频网

知道是:

圣邦威电子 sgmicro SGM2036

再去搜,找到资料:

  • SQ7IB:是

    • 公司:圣邦威电子

      • 英文:sgmicro=sg micro

    • 的一个系列芯片系列:SGM2036

    • 中的,输出电压是3.1V的:SGM2036-3.1

    • 的对外package marking

  • SGM2036

    • 是什么:输出低压差稳压器

    • 属于类型:

      • 电源管理

      • Power Management ICs/Low Dropout Regulators(LDO)

    • 功能作用:电压转换,给其他芯片提供合适的电压

    • 封装:SOT-23-5

    • 详细解释:

      • The SGM2036 series low-power, low-dropout, CMOS linear voltage regulators operate from a 1.6V to 5.5V input voltage and deliver up to 300mA output current. They are the perfect choice for low voltage, low power applications. A low ground current makes this part attractive for battery operated power systems. The SGM2036 series also offer low dropout voltage to prolong battery life in portable electronics. Systems requiring a quiet voltage source, such as RF applications, will benefit from the SGM2036 series’ low output noise and high PSRR

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