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STMicroelectronics Battery Backup IC Transceiver SO-16N 64-Pin 3.3V to 5V Input 1.4V Output 18mA L9963T-TR

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STMicroelectronics Battery Backup IC Transceiver SO-16N 64-Pin 3.3V to 5V Input 1.4V Output 18mA L9963T-TR

Name: STMicroelectronics Battery Backup IC Transceiver SO-16N 64-Pin 3.3V to 5V Input 1.4V Output 18mA L9963T-TR
Brand: STMicroelectronics
SKU: 203638

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Category Battery Management IC Brand STMicroelectronics Condition New

Specifications

Country of Origin	India
Brand	STMicroelectronics
Height	1.25mm
Length	10mm
Model	L9963T-TR
Mount Type	Surface
Series	L9963T
Output Current	18mA
Maximum Operating Temperature	105°C
Package Type	SO-16N
Sub Type	Transceiver
Minimum Operating Temperature	-40°C
Pin Count	64
Automotive Standard	AEC-Q100
Maximum Supply Voltage	5V
Minimum Supply Voltage	3.3V

Key Features

Designed as a universal SPI to isolated SPI transceiver for communication bridging.
Compatible with 3.3 V and 5 V logic levels for flexible system integration.
Features SO-16N package with 64 pins for surface mounting.
Supports both transformer and capacitive isolation methods.
Operates reliably from -40°C to 105°C, suited for automotive and industrial environments.
Qualified to AEC-Q100 automotive standards ensuring high reliability.
Complies fully with ISO26262 functional safety standard, suitable for ASIL-D systems.

Product Description

STMicroelectronics L9963T-TR is a robust Battery Backup IC transceiver designed to function as a communication bridge between devices operating at different voltage domains. It efficiently converts communication data from a standard 4-wire SPI interface to a 2-wire isolated SPI interface and vice versa, enabling isolation essential in many control and automotive applications.

This surface-mounted SO-16N 64-pin package device supports a minimum supply voltage of 3.3 V up to a maximum of 5 V, with an output current rating of 18 mA. The IC operates safely across a wide temperature range from -40°C to 105°C, meeting the rigorous demands of automotive and industrial safety systems.

The L9963T-TR ensures system safety and reliability by being AEC-Q100 qualified and fully compliant with ISO26262 automotive functional safety requirements for ASIL-D systems. Its support for both transformer-based and capacitive isolation techniques makes it versatile for various PCB designs and isolation needs.

Its compact size, with a length of 10 mm and height of 1.25 mm, allows for efficient space utilization in densely packed electronic assemblies. This device is a critical component in power management and battery backup systems within automotive, industrial automation, and other electronic applications requiring reliable communication isolation.

Universal SPI to isolated SPI transceiver functionality. Compatible with 3.3 and 5 V logics for diverse applications. SO-16N surface mount package with 64 pins. Operating temperature from -40°C to 105°C. AEC-Q100 automotive qualified for high reliability.

ISO26262 compliant for ASIL-D safety systems. Supports transformer and capacitive isolation. Compact physical dimensions optimize PCB layout.

This battery backup IC is ideally suited for industrial, automotive safety, and power management use cases where isolated communication and power supply protection are essential. Explore more components and solutions in the Power Management IC category at EnvMart.

Explore more products in our Battery Management IC category.