VNQ5050AK-E STMicroelectronics

VNQ5050AK-E Quad channel high side driver with analog current sense for automotive applications Features Parameters Symbol Value PowerSSO-24 Max supply voltage V 41 V CC Reverse battery protection (see Figure 25) Operating voltage range V 4.5 to 36 V CC Electrostatic discharge protection Max on-state resistance (per ch.) R 50 m ON Current limitation (typ) I 19 A LIMH Application (1) Off-state supply current I 2A S All types of resistive, inductive and capacitive 1. Typical value with all loads connected. loads. Suitable as LED driver. General features: Inrush current active management by power limitation Description Very low standby current The VNQ5050AK-E is a monolithic device made 3.0V CMOS compatible input using STMicroelectronics VIPower M0-5 Optimized electromagnetic emission technology. It is intended for driving resistive or Very low electromagnetic susceptibility inductive loads with one side connected to In compliance with the 2002/95/EC ground. Active V pin voltage clamp protects the CC European directive device against low energy spikes (see ISO7637 Diagnostic functions: transient compatibility table). Proportional load current sense This device integrates an analog current sense High current sense precision for wide which delivers a current proportional to the load current range current (according to a known ratio) when Current sense disable CS DIS is driven low or left open. When CS DIS Thermal shutdown indication is driven high, the CURRENT SENSE pin is in a Very low current sense leakage high impedance condition. Protection: Output current limitation protects the device in Undervoltage shutdown overload condition. In case of long overload Overvoltage clamp duration, the device limits the dissipated power to Load current limitation a safe level up to thermal shutdown intervention. Self limiting of fast thermal transients Thermal shutdown with automatic restart allows Protection against loss of ground and loss of V the device to recover normal operation as soon as CC Thermal shutdown the fault condition disappears. Table 1. Device summary Order codes Package Tube Tape and Reel PowerSSO-24 VNQ5050AK-E VNQ5050AKTR-E September 2013 Doc ID 13329 Rev 10 1/31 www.st.com 1 Contents VNQ5050AK-E Contents 1 Block diagram and pin configuration . 5 2 Electrical specifications 7 2.1 Absolute maximum ratings . 7 2.2 Thermal data . 8 2.3 Electrical characteristics . 9 2.4 Electrical characteristics curves 17 3 Application information . 20 3.1 GND protection network against reverse battery . 20 3.1.1 Solution 1: resistor in the ground line (RGND only) 20 3.1.2 Solution 2: a diode (DGND) in the ground line 21 3.2 Load dump protection 21 3.3 Microcontroller I/Os protection . 21 3.4 Maximum demagnetization energy (VCC = 13.5V) . 23 4 Package and PC board thermal data . 24 4.1 PowerSSO-24 thermal data . 24 5 Package and packing information . 27 5.1 ECOPACK packages . 27 5.2 PowerSSO-24 mechanical data 27 5.3 Packing information . 29 6 Revision history . 30 2/31 Doc ID 13329 Rev 10