EV-VND7140AJ STMicroelectronics

EV-VND7140AJ VND7140AJ evaluation board Data brief Diagnostic functions Multiplexed analog feedback of: load current with high precision proportional current mirror, V supply voltage and CC T device temperature CHIP Overload and short to ground (power limitation) indication Thermal shutdown indication OFF-state open-load detection Output short to V detection CC Sense enable/disable Protections Undervoltage shutdown Features Overvoltage clamp Max transient supply voltage V 40 V CC Load current limitation Self limiting of fast thermal transients Operating voltage range V 4 to 28 V CC Configurable latch-off on Typ. on-state resistance (per Ch) R 140 m ON overtemperature or power limitation with dedicated fault reset pin Current limitation (typ) I 12 A LIMH Loss of ground and loss of V CC Stand-by current (max) I 0.5 A STBY Reverse battery with external components Electrostatic discharge protection Simple single IC application board dedicated for VND7140AJ Applications Provides electrical connectivity and thermal heat-sinking for easy prototyping Typical applications are all types of automotive General device features resistive, inductive and capacitive loads. Double channel smart high-side driver Table 1: Device summary with MultiSense analog feedback Order code Reference Very low standby current Compatible with 3 V and 5 V CMOS EV-VND7140AJ VND7140AS evaluation board outputs September 2015 DocID026240 Rev 2 1/7 www.st.com Description EV-VND7140AJ 1 Description This board provides you an easy way to connect STMicroelectronics VIPower M0-7 technology into your existing system. The board comes pre-assembled with VND7140AJ high-side driver. On board minimum set of electrical components (as for device datasheet recommendation) is enabling the user to directly connect the load, the power supply and the microcontroller without any additional effort in external component design and connection. The VND7140AJ is a double channel high-side driver manufactured using ST proprietary VIPower technology and housed in PowerSSO-16 package. The device is designed to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface and to provide protection and diagnostics. The device integrates advanced protective functions such as load current limitation, overload active management by power limitation and overtemperature shutdown with configurable latch-off. A FaultRST pin unlatches the output in case of fault or disables the latch-off functionality. A dedicated multifunction multiplexed analog output pin delivers sophisticated diagnostic functions including high precision proportional load current sense, supply voltage feedback and chip temperature sense, in addition to the detection of overload and short circuit to ground, short to V and OFF-state open-load. A sense enable pin allows OFF-state CC diagnosis to be disabled during the module low-power mode as well as external sense resistor sharing among similar devices. Figure 1: Evaluation board schematic 2/7 DocID026240 Rev 2