The document introduces the L9386, a dual intelligent power low side switch. It features multipower BCD technology, dual power low side driver with 2 x 5 A, low RDSON, internal output clamping diodes, limited output voltage slew rate for low EMI, µP compatible enable and input, wide operating supply voltage range, real-time diagnostic functions, and device protection functions. It is designed for automotive applications.
The L9386 is a monolithic integrated dual low-side driver realized in advanced Multipower BCD mixed technology, specifically intended to drive valves in automotive environments. It features uP compatible inputs and extensive protection against failures and electromagnetic interference.
Key electrical characteristics include a typical output on-resistance of 200 mΩ at 25 °C, an operating supply voltage range from 4.5 V to 32 V (up to 45 V transient), and internal clamping diodes rated for 50 V. The device includes real-time diagnostic functions such as output shorted to GND or VDD detection, open load monitoring, and over-temperature sensing.
| Supply voltage range | 4.5 V to 32 V (typical) |
|---|---|
| Output load current | 2 x 5 A |
| Junction temperature range | -40 to +150 °C |
| Output clamping voltage | 50 V |
The device includes diagnostics for output shorted to GND, output shorted to VDD, open load, load bypass, and over-temperature conditions.
Yes, it is especially intended to drive valves in an automotive environment.