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Octal Low-Side Driver for bulb, resistive and inductive loads with serial input control, output protection and diagnostic

Quantity $ per Unit Savings
1 - 9$4.350%
10 - 24$3.9110%
25 - 99$3.7015%
100 - 249$3.2026%
250 - 400$3.0430%
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Parameter NameParameter Value
Packing TypeTube
RoHs compliantEcopack1
Package NameSO-24

L9823 is a octal low-side driver circuit, dedicated for automotive applications.

Output voltage clamping is provided for flyback current recirculation, when inductive loads are driven.

Chip select and cascadable serial 8-bit Interface for outputs control and diagnostic data transfer.

Key features
  • Outputs current capability up to 0.5 A
  • Cascadable SPI control for outputs
  • Reset function with reset signal or undervoltage at VDD
  • Programmable intrinsic output voltage clamping at typ. 50 V for inductive switching
  • Overcurrent shutdown with latch-off for every write cycle (SFPD = low)
  • Independent thermal shutdown of outputs (SOA Protection)
  • Output status data available on the SPI using 8-bit I/O protocol up to 3.0 MHz
  • Low standby current with reset = low (typ. 35 μA @ VDD)
  • Open load detection (outputs off)
  • Single VDD logic supply
  • High EMS immunity and low EME (controlled output slopes)
  • Full functionality of the remaining device at negative voltage drop on outputs (-1.5 V or -3.0 A)
  • Output mode programmable for sustained current limit or shutdown