VNQ5E050AKTR-E STMicroelectronics

VNQ5E050AK-E Quad channel high-side driver with analog current sense for automotive applications Features Max supply voltage V 41 V CC Operating voltage range V 4.5 to 28 V CC Max on-state resistance (per ch.) R 50 m ON PowerSSO-24 Current limitation (typ) I 27 A LIMH (1) Reverse battery protected Off-state supply current I 2 A S Electrostatic discharge protection 1. Typical value with all loads connected. General Application Inrush current active management by All types of resistive, inductive and capacitive power limitation loads Very low standby current Suitable as LED driver 3.0 V CMOS compatible inputs Optimized electromagnetic emissions Description Very low electromagnetic susceptibility The VNQ5E050AK-E is a quad channel high-side Compliance with European directive driver manufactured using ST proprietary 2002/95/EC VIPower M0-5 technology and housed in Very low current sense leakage PowerSSO-24 package. The device is designed Diagnostic functions to drive 12 V automotive grounded loads, and to provide protection and diagnostics. It also Proportional load current sense implements a 3 V and 5 V CMOS compatible High current sense precision for wide interface for the use with any microcontroller. currents range Current sense disable The device integrates advanced protective functions such as load current limitation, inrush Off-state open-load detection and overload active management by power Output short to V detection CC limitation, overtemperature shut-off with Overload and short to ground (power auto-restart and overvoltage active clamp. limitation) indication A dedicated analog current sense pin is Thermal shutdown indication associated with every output channel providing Protections enhanced diagnostic functions including fast Undervoltage shutdown detection of overload and short-circuit to ground Overvoltage clamp through power limitation indication, Load current limitation overtemperature indication, short-circuit to V CC diagnosis and on-state and off-state open-load Self limiting of fast thermal transients detection. The current sensing and diagnostic Protection against loss of ground and loss feedback of the whole device can be disabled by of V CC pulling the CS DIS pin high to share external Overtemperature shutdown with auto sense resistor with similar devices. restart (thermal shutdown) September 2013 Doc ID 13519 Rev 7 1/37 www.st.com 1 Contents VNQ5E050AK-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 . 8 2.4 Waveforms 18 2.5 Electrical characteristics curves 21 3 Application information . 24 3.1 GND protection network against reverse battery . 24 3.1.1 Solution 1: resistor in the ground line (RGND only) 24 3.1.2 Solution 2: diode (DGND) in the ground line . 25 3.2 Load dump protection 25 3.3 MCU I/Os protection . 25 3.4 Current sense and diagnostic 26 3.4.1 Short to VCC and off-state open-load detection 27 3.5 Maximum demagnetization energy (VCC = 13.5 V) . 28 4 Package and PC board thermal data . 29 4.1 PowerSSO-24 thermal data . 29 5 Package and packing information . 32 5.1 ECOPACK . 32 5.2 PowerSSO-24 mechanical data 32 5.3 Packing information . 34 6 Order codes . 35 7 Revision history . 36 2/37 Doc ID 13519 Rev 7