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L9945 Datasheet (PDF) - STMicroelectronics

L9945 Datasheet PDF - STMicroelectronics
Part # L9945
Download  L9945 Download
File Size   5874.08 Kbytes
Page   144 Pages
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  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

L9945 Datasheet (PDF)

Go To PDF Page Download Datasheet
L9945 Datasheet PDF - STMicroelectronics

Part # L9945
Download  L9945 Click to download

File Size   5874.08 Kbytes
Page   144 Pages
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  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

L9945 Datasheet (HTML) - STMicroelectronics


L9945 Product details

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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About STMicroelectronics


STMicroelectronics is a multinational electronics and semiconductor manufacturer based in Geneva, Switzerland.

The company offers a wide range of products including microcontrollers, sensors, power amplifiers, and integrated circuits for various applications in the automotive, industrial, and consumer markets.

Founded in 1987, STMicroelectronics has operations in over 100 countries and is one of the largest semiconductor companies in the world.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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