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Octal low side driver or quad low side plus quad high side driver

Quantity $ per Unit Savings
1 - 9$10.290%
10 - 24$9.2910%
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Parameter NameParameter Value
Operating RangeAutomotive
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius150.0
Operating Voltage Min Volt4.0
Operating Voltage Max Volt18.0
Packing TypeTape And Reel
RoHs compliantEcopack2
Package NamePowerSSO 36

The L9301 is a SPI (Serial Peripheral Interface) controlled octal channel with 4 high/low and 4 low side drivers with the possibility to use four integrated PowerMOS as recirculation diodes for PWM load driving.

L9301 contains 12 PowerMOS: 4 configurable High/Low side drivers with Ronmax = 0.6 Ω (DRN1-4, SRC1-4), 4 low side drivers with Ronmax = 0.6 Ω (OUT1-4) and 4 low side drivers with Ronmax = 0.3 Ω (OUT5-8).

The power DRN/SRC1-4 and OUT1-4 can be connected in parallel outside the device in order to get 4 low-side drivers with Ronmax = 0.3 Ω: DRN1//DRN2, DRN3//DRN4, OUT1//OUT2, OUT3//OUT4.

In this way there are a total of 8 LS channels for ON-OFF mode with Ronmax = 0.3 Ω.

There is also the possibility to connect the OUT1-4 and OUT5-8 in order to drive in PWM mode a load connected to VB or GND without the necessity of a freewheeling diode. In this case the Ronmax = 0.6 Ω.

The above configuration can be driven by parallel input or SPI command.

Through the SPI it is possible to configure the device parameters like configuration, Slew-rate, Overcurrent threshold, to send the drivers commands and to read back the diagnosis results.

Key features
  • AEC-Q100 qualified
  • Eight integrated PowerMOS configurable as:
    • 8 low side ON-OFF with RON(max) = 0.3 Ω @ Tj = 175 °C
    • High/low side PWM with RON(max) = 0.6 Ω @ Tj = 175 °C and 4 Low side with RON(max) = 0.3 Ω @ Tj = 175 °C
  • Operating battery supply voltage 5 V to 18 V
  • Operating Vdd supply voltage 4.75 V to 5.25 V
  • Logic inputs TTL/CMOS-compatible
  • Output voltage clamping 37 V typ. in low-side configuration
  • SPI interface for outputs control and for diagnosis data communication
  • Additional PWM inputs for 8 outputs
  • Over temperature protection
  • Open load, short to GND, short to VB
  • Overcurrent diagnostics in latched or unlatched mode for each channel
  • Controlled SR for improved EMC behavior