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

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

Name: STMicroelectronics Battery Backup IC 3.3 V to 5V Input 1.4V Output 18 mA SO-16N 64-Pin L9963T-TR
Brand: STMicroelectronics
SKU: 203654

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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

Operates efficiently between 3.3 V and 5 V input voltages.
Provides stable 1.4 V output voltage with 18 mA output current.
Features a 64-pin SO-16N surface mount package suitable for compact PCB designs.
Supports SPI communication interfacing between different voltage domains.
AEC-Q100 qualified for automotive applications ensuring high reliability.
Robust operation over a temperature range from -40°C to 105°C.
Compliant with full ISO26262 standard, ready for ASIL-D safety critical automotive systems.
Compatible with both transformer and capacitive isolation techniques.

Product Description

STMicroelectronics L9963T-TR Battery Backup IC is engineered for reliable power management and communication bridging between SPI devices in varying voltage domains. Supporting inputs from 3.3 V up to 5 V and delivering a regulated 1.4 V output at 18 mA, this IC is housed in a compact SO-16N 64-pin surface mount package suitable for high-density PCB applications.

This transceiver enables seamless data transmission between a traditional 4-wire SPI interface and a 2-wire isolated SPI interface, supporting both capacitive and transformer isolation methods. It is designed to comply fully with automotive standards, being AEC-Q100 qualified and ISO26262 functional safety certified suitable for ASIL-D systems, making it highly reliable for automotive and industrial power management applications.

The L9963T-TR supports operation across a wide temperature range from -40°C to 105°C, ensuring durability under harsh environmental conditions. Its carefully optimized design enables integration into battery management systems, power control modules, and other industrial electronics requiring isolated SPI communication and precise voltage regulation.

Key features include robust SPI isolation, automotive-grade qualifications, and flexible isolation implementation that enhance safety and signal integrity. This IC is an ideal choice for advanced battery backup solutions within automotive and industrial environments.

Operates at input voltages from 3.3 V to 5 V. Provides 1.4 V output voltage with up to 18 mA current. 64-Pin SO-16N surface mount package for compact integration. Compatible with transformer and capacitive isolation methods.

AEC-Q100 qualified and ISO26262 ASIL-D certified for automotive use. Wide temperature operation range from -40°C to 105°C. Bridges traditional SPI interface to isolated SPI interface efficiently. Designed for battery management and power control applications.

Supports reliable and safe communication across voltage domains. Facilitates integration into automotive and industrial electronic systems. Explore advanced battery management and power management ICs at EnvMart, your comprehensive source for industrial electronic components.

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