VNQ5E050MK-E

VNQ5E050MK-E Quad channel high-side driver with analog current sense for automotive applications Features Max supply voltage VCC 41V Operating voltage range VCC 4.5 to 28V Max on-state resistance (per ch.) RON 50 mΩ Current limitation (typ) ILIMH 27 A Off-state supply current IS 2 µA(1) 1. Typical value with all loads connected. ■ ■ ■ – Electrostatic discharge protection Applications General – Inrush current active management by power limitation – Very low standby current – 3.0V CMOS compatible inputs – Optimized electromagnetic emissions – Very low electromagnetic susceptibility – In compliance with the 2002/95/EC european directive – Very low current sense leakage Diagnostic functions – Proportional load current sense – High current sense precision for wide currents range – Current sense disable – Overload and short to ground (power limitation) indication – Thermal shutdown indication Protections – Undervoltage shutdown – Overvoltage clamp – Load current limitation – Self limiting of fast thermal transients – Protection against loss of ground and loss of VCC – Overtemperature shutdown with auto restart (thermal shutdown) – Reverse battery protected (see Figure 29: Application schematic) September 2013 PowerSSO-24 ■ All types of resistive, inductive and capacitive loads ■ Suitable as LED driver Description The VNQ5E050MK-E is a quad channel high-side driver manufactured in the ST proprietary VIPower M0-5 technology and housed in the tiny PowerSSO-24 package. The VNQ5E050MK-E is designed to drive 12V automotive grounded loads delivering protection, diagnostics and easy 3V and 5V CMOS compatible interface with any microcontroller. The device integrates advanced protective functions such as load current limitation, inrush and overload active management by power limitation, overtemperature shut-off with auto-restart and over-voltage active clamp. A dedicated analog current sense pin is associated with every output channel in order to provide Enhanced diagnostic functions including fast detection of overload and short-circuit to ground through power limitation indication and overtemperature indication. The current sensing and diagnostic feedback of the whole device can be disabled by pulling the CS_DIS pin high to allow sharing of the external sense resistor with other similar devices. Doc ID 16374 Rev 2 1/36 www.st.com 1 Contents VNQ5E050MK-E Contents 1 Block diagram and pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.4 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.5 Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3.1 4 3.1.1 Solution 1: resistor in the ground line (RGND only) . . . . . . . . . . . . . . . . 23 3.1.2 Solution 2: diode (DGND) in the ground line . . . . . . . . . . . . . . . . . . . . . 24 3.2 Load dump protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3.3 MCU I/Os protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3.4 Current sense and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.5 Maximum demagnetization energy (VCC =13.5V) . . . . . . . . . . . . . . . . . . 27 Package and PC board thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 4.1 5 GND protection network against reverse battery . . . . . . . . . . . . . . . . . . . 23 PowerSSO-24 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 5.1 ECOPACK® packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 5.2 PowerSSO-24 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 5.3 Packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 6 Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 2/36 Doc ID 16374 Rev 2 VNQ5E050MK-E List of tables List of tables Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. Table 9. Table 10. Table 11. Table 12. Table 13. Table 14. Table 15. Table 16. Table 17. Pin functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Suggested connections for unused and not connected pins . . . . . . . . . . . . . . . . . . . . . . . . 6 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Power section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Switching (VCC=13V; Tj= 25°C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Logic inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Protections and diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Current sense (8V