EV-VND7020AJ

EV-VND7020AJ VND7020AJ evaluation board Data brief – Off-state open-load detection – Output short to VCC detection – Sense enable/disable Features Max transient supply voltage VCC 40 V Operating voltage range VCC 4 to 28 V Typ on-state resistance (per Ch) RON 22 mΩ Current limitation (typ) ILIMH 63 A Standby current (max) ISTBY 0.5 µA • Protections – Undervoltage shutdown – Overvoltage clamp – Load current limitation – Self-limiting of fast thermal transients – Configurable latch-off on overtemperature or power limitation with dedicated fault reset pin – Loss of ground and loss of VCC – Reverse battery with external components – Electrostatic discharge protection Applications Typical applications are all types of automotive resistive, inductive and capacitive loads. Table 1. Device summary • Simple single IC application board dedicated for VND7020AJ • Provides electrical connectivity and thermal heat-sinking for easy prototyping Order code Reference EV-VND7020AJ VND7020AJ evaluation board • General device features – Double channel smart high-side driver with MultiSense analog feedback – Very low standby current – Compatible with 3 V and 5 V CMOS outputs • Diagnostic functions – Multiplexed analog feedback of: load current with high precision proportional current mirror, VCC supply voltage and TCHIP device temperature – Overload and short to ground (power limitation) indication – Thermal shutdown indication September 2015 DocID025740 Rev 5 For further information contact your local STMicroelectronics sales office. 1/7 www.st.com Description 1 EV-VND7020AJ Description The board provides you an easy way to connect ST VIPower® M0-7 technology into your existing system. The EV-VND7020AJ evaluation board comes pre-assembled with a VND7020AJ high-side driver. On board minimum set of electrical components (as for device datasheet recommendation) enables the user to directly connect the load, the power supply and the microcontroller without any additional effort in external component design and connection. The VND7020AJ is a double channel high-side driver manufactured using ST proprietary VIPower M0-7 technology and housed in PowerSSO-16 package. It is designed to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS-compatible interface, providing 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 VCC and OFF-state open-load. A sense enable pin allows OFF-state diagnosis to be disabled during the module low-power mode as well as external sense resistor sharing among similar devices. Figure 1. EV-VND7020AJ schematic 9EDW 9EDW - )DXOW567 0XOWL6HQVH 6B(1 6(/ 6(/ ,1 ,1 9 ,1 ,1 5. 5. )DXOW567 6B(1 5. 0XOWL6HQVH & Q)  5VHQVH 73 6(/ 6(/ 5. 5. 5.  3*1' 5. 3*1' 73  ,1387  ,1387  )DXOW567  6(Q  0XOWL6HQVH  6(/  6(/  5B83 8 - 5B83   ,QB3XOO83                   9%$77 - ,QB3XOO83 3*1' 9EDW 287387 287387 287387 287387 287387 287387 287387 287387            & Q) 2XW         2XW *1' 366 ' 5 . (6'/ &21 3*1' /(' /(' & Q)           & Q) 5 N 5 N 3*1' - 3*1' 3*1' *$3*&)7 2/7 DocID025740 Rev 5 EV-VND7020AJ 2 Board connections Board connections Figure 2 shows the placement of the connectors to be used for supplying the evaluation board, connecting the load and controlling the functionality and diagnostic of the device. Figure 2. Evaluation board connectors Table 2. J5 connector: pin functions Connector Pin number Pin name J5 1…4 N/A J5 5 IN_PullUP J5 6 +5V J5 7 FaultRST Active low compatible with 3 V and 5 V CMOS outputs pin; it unlatches the output in case of fault; If kept low, sets the outputs in auto-restart. J5 8 MultiSense Multiplexed analog sense output pin; it delivers a current proportional to the selected diagnostic: load current, supply voltage or chip temperature. J5 9 S_EN Active high compatible with 3 V and 5 V CMOS outputs pin; it enables the MultiSense diagnostic pin. J5 10 SEL0 Active high compatible with 3 V and 5 V CMOS outputs pin; together with SEL1, it addresses the MultiSense multiplexer. J5 11 SEL1 Active high compatible with 3 V and 5 V CMOS outputs pin; together with SEL0, it addresses the MultiSense multiplexer. J5 12 N/A Not connected J5 13 IN0 Voltage controlled input pin with hysteresis, compatible with 3 V and 5 V CMOS outputs. It controls OUT0 switch state. Pin function Not connected Connection to optional external pull-up resistor for open load detection in off-state. 5V Power Supply DocID025740 Rev 5 3/7 6 Board connections EV-VND7020AJ Table 2. J5 connector: pin functions (continued) Connector Pin number Pin name J5 14 IN1 Voltage controlled input pin with hysteresis, compatible with 3 V and 5 V CMOS outputs. It controls OUT1 switch state. J5 15…18 N/A Not connected Pin function In case the user wishes to utilize the Current Sense / MultiSense function of the device, it is necessary to plug a sense resistor in RSENSE. The package includes a through-hole resistor, to be mounted on TP1-TP2 (see figure b). Different RSENSE values can be adopted based on user preference. Another option is soldering an SMD resistor on the dedicated PCB pad, as shown in Figure 3. No sense resistor Figure 4. Mounting through-hole sense resistor Figure 5. Pads for soldering SMD resistor 4/7 DocID025740 Rev 5 EV-VND7020AJ 3 Thermal data Thermal data D Table 3. VND7020AJ thermal data Symbol Rthj-amb Parameter Thermal resistance junction-ambient (MAX) Max Unit 39 °C/W Table 4. PCB specifications Parameter Board dimensions Value 25 mm x 41.5 mm Number of Cu layer 2 Layer Cu thickness 35 µm Board finish thickness 1.6 mm +/- 10% Board Material FR4 Thermal vias separation 1.1 mm Thermal vias diameter 0.5 mm DocID025740 Rev 5 5/7 6 Revision history 4 EV-VND7020AJ Revision history Table 5. Document revision history 6/7 Date Revision Changes 13-Jan-2014 1 Initial release. 15-Jan-2014 2 Updated Figure 2: Evaluation board connectors 15-May-2014 3 Updated Applications and Description. Updated Description, Chapter 2: Board connections and Chapter 3: Thermal data 24-Jul-2014 4 Updated Figure 1: EV-VND7020AJ schematic 01-Sep-2015 5 Changed EV-VND7020AJ-E in EV-VND7020AJ. Updated Features and Section 1: Description. DocID025740 Rev 5 EV-VND7020AJ IMPORTANT NOTICE – PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products. No license, express or implied, to any intellectual property right is granted by ST herein. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. © 2015 STMicroelectronics – All rights reserved DocID025740 Rev 5 7/7 7