The L9348 is a monolithic integrated quad low side driver realized in advanced Multipower-BCD technology. It is intended to drive inductive loads (relays, electromagnetic valves) in automotive and industrial applications. It features a wide input and output voltage range, output voltage up to 40V, output current capability of 2 x 5A and 2 x 3A, low power dissipation, integrated free-wheeling diodes for recirculation of inductive loads, low on-resistance, output short circuit current protection, real-time diagnostic functions, overtemperature shutdown, and signal and power-ground-loss shutdown.
The L9348 is a monolithic integrated quad low side driver realized in advanced Multipower-BCD technology. It is intended to drive inductive loads such as relays and electromagnetic valves in automotive and industrial applications. The device features four independent channels, with two 5A drivers (Q1/Q2) and two 3A drivers (Q3/Q4).
| Supply Voltage Range | 4.8 to 18V |
|---|---|
| Output Voltage | Up to 40V |
| Output Current Capability (Q1, Q2) | 5A each |
| Output Current Capability (Q3, Q4) | 3A each |
| On-Resistance (Typical) Q1/Q2 | 0.20 Ohm |
| On-Resistance (Typical) Q3/Q4 | 0.35 Ohm |
| Junction Temperature Range | -40 to 150 °C |
The device is intended to drive inductive loads such as relays and electromagnetic valves.
The control and enable inputs are active high and feature switching thresholds with hysteresis.