VNQ7004SY Quad-channel high-side driver with 16-bit SPI interface for automotive applications Datasheet - production data Undervoltage shutdown Overvoltage clamp Latch-off or programmable time limited auto restart (power limitation and overtemperature shutdown) Load dump protected Protection against loss of ground Features Description The VNQ7004SY is a device made using Channel V R I CC ON(typ) LIMH(typ) STMicroelectronics VIPower technology. It is intended for driving resistive or inductive loads 01 28 V 35 m 35 A directly connected to ground. The device is 23 28 V 9 m 80 A protected against voltage transient on V pin. CC An 8 bit short frame access to output control AEC-Q100 qualified registers is provided allowing PWM control General through SPI with high granularity. 16-bit ST-SPI for full diagnostic with 8 bits An analog current feedback for each channel is Short Frame option connected to the CURRENT-SENSE pin via a Programmable Bulb/LED mode for multiplexer. The device detects open-load in OFF- ch. 0-1 state conditions. Advanced limp home functions for robust fail-safe system Real time diagnostic is available through the SPI bus (open-load, output short to V , Very low standby current CC overtemperature, communication error, power Optimized electromagnetic emissions limitation or latch off). Very low electromagnetic susceptibility Output current limitation protects the device in an Control through direct inputs and / or SPI over load condition. The device can limit the Compliant with European directive dissipated power to a safe level up to thermal 2002/95/EC shutdown intervention. Thermal shutdown can be Diagnostic functions configured as latched off or programmable time Multiplex proportional load current sense limited auto restart. Synchronous diagnostic of over load and The device enters a limp home mode in case of short to GND, output shorted to V and CC loss of digital supply (V ), reset of digital DD OFF-state open-load memory or watchdog monitoring time-out event. Programmable case overtemperature In this mode states of channel 0, 1, 2 or 3 are warning respectively controlled by four dedicated pins IN0, Protection IN1, IN2 and IN3. Channel 0 and 1 can be programmed via SPI for load type (BULB/ LED Two levels load current limitation mode). Self limiting of fast thermal transients December 2018 DS12442 Rev 3 1/95 This is information on a product in full production. www.st.comContents VNQ7004SY Contents 1 Block diagram and pin description . 8 2 Functional description 11 2.1 Device interfaces 11 2.2 Operating modes 11 2.2.1 Startup transition phase . 11 2.2.2 Reset mode 11 2.2.3 Fail Safe mode 12 2.2.4 Normal mode . 13 2.2.5 Standby mode 15 2.2.6 Sleep mode 1 . 17 2.2.7 Sleep mode 2 . 17 2.2.8 Battery undervoltage mode 17 2.2.9 Limp Home mode . 19 3 Protections 23 3.1 Pre-warning . 23 3.2 Junction overtemperature (OT) 23 3.3 Power limitation (PL) 24 4 SPI functional description . 26 4.1 SPI communication . 26 4.1.1 Signal description . 26 4.1.2 Connecting to the SPI bus . 27 4.1.3 SPI mode 27 4.2 SPI protocol . 28 4.2.1 SDI format . 28 4.2.2 SDO format 29 4.2.3 Operating code definition 29 4.2.4 Special commands . 32 4.3 Register map 33 4.3.1 Global Status byte description 33 4.3.2 RAM 34 4.3.3 ROM . 35 2/95 DS12442 Rev 3