8CH, 1Ω, 40V, Fully Protected Automotive Low-side Switch Driver
The NSD56008 is an eight-channel low-side switch specifically designed to control relays and LEDs in automotive and industrial applications.The 16-bit serial peripheral interface (SPI) is utilized to control and diagnose the device and the loads. The SPI interface also provides daisy chain capability.This device is designed for low supply voltage operation, therefore being able to keep its state at low battery voltage (VS ≥ 4.1 V) when VS falls down. The NSD56008 is equipped with two input pins that are connected to two outputs. With the Input Mapping it is possible to connect the input pins to different outputs, or assign more outputs to the same input pin. In this case more channels can be controlled with one signal applied to one input pin.In Limp Home mode (Fail-Safe mode) the input pins are directly routed to channels 2 and 3. The device provides diagnosis of the load via Open Load at OFF state and short circuit detection. Temperature sensors are available for each channel to protect the device against Over Temperature.
Product Features
AEC-Q100 qualified
Operating voltage: 4.5V - 28V
8-channel 1Ω low-side drivers/typical load current of 330mA per channel
16-bit SPI communication, supporting parallel and daisy chain modes and compatible with 8-bit SPI communication
2 CMOS-compatible input pins IN0 and IN1 that can be mapped to output pins
Supporting limp-home mode
Supporting output parallel mode
Supporting load diagnostics and protection:
Overload/overtemperature protection/under-voltage protection/open-circuit diagnostics
Operating temperature: Tj=-40°C - 150°C
Application
Relays
LEDs
Motors
Solenoids
Functional Block Diagram
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