STMicroelectronics M4T28-BR12SH1, Lithium Battery Charger IC, 2.8 V, SNAPHAT 4-Pin

Enrgtech Part No: ET13959722
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Manufacturer Part No:
M4T28-BR12SH1
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Manufacturer: STMicroelectronics

M4T28-BR12SH1 STMicroelectronics , Lithium Battery Charger IC, 2.8 V, SNAPHAT 4-Pin

Product Information

The M4T28-BR12SH1 is an integrated circuit created for lithium battery charging, particularly in real-time clock applications. It features a SNAPHAT package for easy integration, ideal for embedded systems, industrial equipment, and consumer electronics.

Dimensions:

21.84 x 14.99 x 7.75mm

Mounting Type:

Through Hole

Height:

7.75mm

Typical Operating Supply Voltage:

2.8 V

Width:

14.99mm

Length:

21.84mm

Package Type:

SNAPHAT

Minimum Operating Temperature:

0 °C

IC Type:

Battery Backup IC

Battery Type:

Lithium-CF

Maximum Operating Temperature:

+70 °C

Pin Count:

Checking for live stock

The STMicroelectronics M4T28-BR12SH1 is a specialised integrated circuit (IC) designed to charge and manage lithium batteries, particularly for real-time clock (RTC) applications. This compact and efficient IC is often used in devices with crucial timekeeping and backup power, such as embedded systems and industrial equipment. Its integration of essential functions simplifies the design process and enhances the reliability of devices that depend on precise timekeeping.

Lithium Battery Charging Functionality

At its core, the M4T28-BR12SH1 is a lithium battery charger IC. It is designed to charge 2.8-volt lithium batteries, generally employed as backup power sources in RTC circuits. The IC regulates the charging process, ensuring the battery is charged to the appropriate voltage level while preventing overcharging, which could damage the battery.

Key Features and Benefits of the Battery

This IC is its SNAPHAT package, which consists of a small 4-pin package with a built-in battery holder.
It can provide power to maintain the RTC's operation even when the primary power source is disconnected or interrupted.
The IC includes power-fail detection circuitry, which monitors the primary power source.

The STMicroelectronics M4T28-BR12SH1, Lithium Battery Charger IC: Wide Range of Applications

The M4T28-BR12SH1 is widely used in various applications, including:

Embedded Systems: It is common in microcontroller-based systems where maintaining accurate time and data during power outages is crucial.
Industrial Equipment: RTCs with backup power are vital in industrial automation, data loggers, and monitoring systems.
Consumer Electronics: Some electronic devices, such as digital clocks and intelligent appliances, utilise RTCs with backup power to maintain time and settings.
Medical Devices: RTCs are used in medical equipment to record and timestamp data accurately.

Datasheet(Technical Reference)

UN38.3 Test Summary BR1632(Technical Reference)

Contains SVHC - 1,2-dimethoxyethane; ethylene glycol dimethyl ether (EGDME) - CAS No. 110-71-4(Technical Reference)

Mult Devices 27/Feb/2019(PCN Assembly/Origin)

M4T(28,32)-BR12SH(Datasheets)

Box Label Chg 28/Jul/2016(PCN Packaging)

M4Txx-BR12SH Rayovac MSDS(MSDS Material Safety Datasheet)

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