Product Information

L9945TR

L9945TR electronic component of STMicroelectronics

Datasheet
Power Management Specialized - PMIC
Manufacturer: STMicroelectronics
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1000: USD 6.7226 ea
Line Total: USD 6722.6

0 - Global Stock
MOQ: 1000  Multiples: 1000
Pack Size: 1000

 More Buying Options & Price Grid(s)

Availability Price Quantity
0 - WHS 1


Ships to you between Thu. 16 May to Wed. 22 May

MOQ : 1000
Multiples : 1000

Stock Image

L9945TR
STMicroelectronics

1000 : USD 12.5829
2000 : USD 12.4714
3000 : USD 12.3585
4000 : USD 12.2469
5000 : USD 12.1341
6000 : USD 12.0212
10000 : USD 11.9083
20000 : USD 11.7954
50000 : USD 11.6813

0 - WHS 2


Ships to you between Wed. 22 May to Fri. 24 May

MOQ : 1
Multiples : 1

Stock Image

L9945TR
STMicroelectronics

1 : USD 11.5644
10 : USD 10.0359
25 : USD 9.5596
100 : USD 8.3122
250 : USD 7.938
500 : USD 7.2349
1000 : USD 7.0308

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Additional Infomation About Product

L9945 Datasheet Automotive fully configurable 8-channel High/Low side MOSFET pre-driver suitable for 12 V and 24 V systems Features AEC-Q100 qualified TQFP64 exposed pad down GADG1606171506PS 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 All device pins, except the ground pins, withstand at least 40 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 Product status link Possibility of monitoring voltage on external shunt resistor L9945 64 programmable overcurrent thresholds independent for each channel Ultra-fast output shutdown in case of overcurrent Product summary Current limitation for H-Bridge configuration Order code Package Packing 32-bit SPI protocol available for configuration and diagnostics L9945 Tray Failures latched even if they occur during diagnostics reading TQFP64 (exposed Tape and Daisy chain operation L9945TR pad down) reel SDO protected against overvoltage Safety features Fast switch off redundant output disable through 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 through bi-directional pin Highly redundant output monitoring through dedicated SPI registers 10-bit ADC for battery and die temperature measurements available through SPI VDD5 monitoring for over/under voltage VPS (battery) monitoring for under voltage ISO26262 systems compatible DS12275 - Rev 8 - December 2019 www.st.com For further information contact your local STMicroelectronics sales office.L9945 Description The L9945 is an 8-channel MOSFET pre-driver configurable for low-side, high-side, peak and hold and H-Bridge load control. It is designed to comply with the requirements of 12 V (passenger vehicle) and 24 V (commercial vehicle) battery systems. All outputs can be PWM controlled. Six outputs are capable of driving safety relevant loads. One output can be dedicated to the actuation of safety relevant loads requiring a dedicated enable pin (EN6). The device offers the possibility of controlling two independent H-Bridges. The device can also drive up to two loads requiringpeak & hol control strategy. The driver outputs are protected against short circuit condition. The device protects the external MOS in case of an overcurrent event. Each output provides full diagnostic information such as short to battery, short to ground and open-load. Each output status can be constantly monitored through dedicated SPI registers. The voltage slew rate of the external transistors 1-8 is controlled during turn ON and turn OFF in order to improve EMI behavior. A double, redundant, external disable source is available through DIS and NDIS pins in order to improve safety. The device is configurable via SPI through a 32-bit protocol. DS12275 - Rev 8 page 2/151

HS Compliance

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:

Stmicroelectronics may also be referenced as

C-Max
C-Max (VA)
SG3
ST
ST MICROELECTRONICS
ST2
ST7
STM
STMICRELECTRONICS
STN

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