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L9945TR Fiches technique (PDF) - STMicroelectronics

L9945TR Datasheet PDF - STMicroelectronics
No de pièce L9945TR
Télécharger  L9945TR Télécharger
Taille du fichier   5874.08 Kbytes
Page   144 Pages
Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description Automotive fully configurable 8-channel High/Low side MOSFET pre-driver suitable for 12 V and 24 V systems

L9945TR Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
L9945TR Datasheet PDF - STMicroelectronics

No de pièce L9945TR
Télécharger  L9945TR Click to download

Taille du fichier   5874.08 Kbytes
Page   144 Pages
Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Description Automotive fully configurable 8-channel High/Low side MOSFET pre-driver suitable for 12 V and 24 V systems

L9945TR Fiches technique (HTML) - STMicroelectronics


L9945TR Détails du produit

Features
• AEC-Q100 qualified
• 12 V and 24 V battery systems compliance
• 3.3 V and 5 V logic compatible I/O
• 8-channel configurable MOSFET pre-driver
– High-side (N-channel and P-channel MOS)
– Low-side (N-channel MOS)
– H-bridge (up to 2 H-bridge)
– Peak & Hold (2 loads)
• Operating battery supply voltage 3.8 V to 36 V
• Operating VDD supply voltage 4.5 V to 5.5 V
• Programmable gate charge/discharge currents for improving EMI behavior
• Individual diagnosis for:
– Short circuit to battery
– Open load
– Short circuit to ground
• Highly flexible overcurrent sensing implementation
– Possibility of monitoring external MOS drain to source voltage
– Possibility of monitoring voltage on external shunt resistor
– 64 programmable overcurrent thresholds independent for each channel
– Ultra-fast output shutdown in case of overcurrent
• Current limitation for H-Bridge configuration
• 32-bit SPI protocol available for configuration and diagnostics
– Failures latched even if they occur during diagnostics reading
– Daisy chain operation
– SDO protected against overvoltage
• Safety features
– Fast switch off redundant output disable by two external pins
– Built In Self Test (BIST) for logic operation
– Hardware Self Check (HWSC) for VDD5 overvoltage comparator
– Configurable Communication Check (CC) watchdog timer available
– Disable feedback by bi-directional pin
– Highly redundant output monitoring by dedicated SPI registers
• 10-bit ADC for battery and die temperature measurements available by SPI
• VDD5 monitoring for over/under voltage
• VPS (battery) monitoring for under voltage

Applications
• Automotive 12 and 24 V (passenger and commercial vehicles) applications
• Low-side, high-side, Peak and hold and H-Bridge load control
• Designed for driving relays, motors, and all the resistive and inductive loads




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À propos de STMicroelectronics


Stmicroelectronics est un fabricant multinational d'électronique et de semi-conducteurs basé à Genève, en Suisse.

La société propose une large gamme de produits, notamment des microcontrôleurs, des capteurs, des amplificateurs de puissance et des circuits intégrés pour diverses applications sur les marchés automobiles, industriels et consommateurs.

Fondée en 1987, Stmicroelectronics a des opérations dans plus de 100 pays et est l'une des plus grandes sociétés de semi-conducteurs au monde.

*Ces informations sont fournies à titre informatif uniquement, nous ne serons pas responsables des pertes ou dommages causés par les informations ci-dessus.




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