STMICROELECTRONICS L9800 LS Driver, 8 Channel, 330 mA, 3 to 28 V, TFQFN-24, AEC-Q100, -40 to 150 °C

L9800 is an 8-channel LS driver. It is designed for automotive applications (LEDs and relays) and compatible with resistive, inductive and capacitive loads. This device offers advanced diagnostic and protection functionalities such as open load, overcurrent and overtemperature detections, short to GND. The eight output channels can be driven by SPI or by dedicated parallel inputs. Limp-home functionality is present. Daisy chain available (no constraint on SPI number of bits of devices in chain). The device is able to guarantee cranking scenario down to VBATT = 3V and ensures very low-quiescent current under RESET. Applications include low-side switches for 12V in automotive or industrial applications such as lighting, heating, motor driving, energy and power distribution, especially designed for driving relays, LEDs and motors.

• AEC-Q100 qualified, full ISO26262 compliant, ASIL-B systems ready
• Eight LS drivers, 16bit SPI interface for outputs control and for diagnosis data communication
• Daisy chain compatible and available even with 8bit SPI, 3V to 28V supply voltage
• Digital supply voltage range compatible with 3.3V and 5V MCU
• Bulb inrush mode (BIM) to drive 2W lamps and electronic loads
• Very low quiescent current (with usage of IDLE pin), limp-home mode (with usage of IDLE and IN pins)
• Fail-safe activation via input pins, safe operation at low battery voltage (cranking)
• Overcurrent latch off, lower supply voltage range for extended operation
• Reverse battery protection on VBATT without external components
• Operating junction temperature range from -40 to 150°C, TFQFN24 package