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1 Features

? 3V to 40V Analog supply voltage

– Cranking capability down to 3V

– Supports LV124 standard

? 3V to 5.5V Digital supply voltage

– Compatible with 3.3V and 5V microcontrollers

? 44V minimum drain to source clamping voltage

? -19V maximum source to ground clamping voltage

? RDS(ON): 630mΩ typical at 12V, 25 °C

? Current: 330mA per output at 85 °C, with all

channels ON

? 2 parallel inputs with mapping functionality

? Fail-safe activation in Limp Home mode

– Using nSLEEP and IN pins

? Two independent internal PWM generators

? Bulb Inrush Mode (BIM) to drive lamps

– For 2W/5W lamps and other capacitive loads

? Low-current sleep mode

– < 6.5μA using nSLEEP pin

? 16-bit SPI interface for control and diagnosis

– Daisy Chain capability

– Compatible with 8-bit SPI devices

? Supports various protection features -

– Reverse battery protection

– Short circuit to ground and battery protection

– Stable behavior at under voltage conditions

– Over Current latch OFF

– Overtemperature warning

– Thermal shutdown latch OFF

– Overvoltage protection

– Loss of battery and loss of ground protection

– Electrostatic discharge (ESD) protection

? Supports several diagnostic features -

– Diagnostic information via SPI register

– Over Load detection at ON state

– Open Load detection in ON and OFF state

– Input and Output Status Monitor

2 Applications

? Automotive Body Control Module (BCM)

? HVAC Control

? Automotive Lighting

? HEV/EV Battery Management System (BMS)

? Gasoline and Diesel Engine

? Vehicle Control Unit (VCU)

? Programmable Logic Controller (PLC)

3 Description

The DRV81620-Q1 is an eight channel low-side

and high-side switch with integrated protection and

diagnostics. It is designed to control relays, LEDs,

Lamps and motors in automotive and industrial

applications.

A serial peripheral interface (SPI) with daisy chain

capability is utilized for control and diagnosis of the

loads as well as of the device. Two input pins with

mapping functionality are available for direct control of

the outputs. The device supports Limp Home mode

for fail-safe activation. Integrated PWM generators

enable driving LEDs, and bulb inrush mode enables

driving loads with large capacitance.

The DRV81620-Q1 supports various protection

features such as undervoltage, overvoltage, short

circuit and open load detection. High level of

integration with embedded protection and diagnostic

features make the DRV81620-Q1 an ideal choice for

automotive body and powertrain applications.