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ON Semiconductor NCV78763 LDM A REFERENCE DESIGN KIT, Быстрый старт и обзор системы

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Confidential 

30 

29/08/2016 

PSRR stability (VBAT = 10V >>> 20V) 

 

 

The LED current is not affected by harsh battery step-ups 

Содержание NCV78763 LDM A REFERENCE DESIGN KIT

Страница 1: ...FRONTLIGHTING SOLUTIONS APG AAB NCV78763 LDM A REFERENCE DESIGN KIT QUICK START GUIDE SYSTEM OVERVIEW Document version 1 6 29th of Aug 2016 Christiam Gasparini System Application Engineer Automotive A...

Страница 2: ...Confidential 2 29 08 2016 NCV78763 LDM A v1 1 Quick Start Guide KIT OVERVIEW...

Страница 3: ...ning Light DRL Position Light PL and Turn Indicator TURN aimed for car bulb equivalent system replacement and migration to Power LEDS Content NCV78763 REF DES LDM A KIT OVERVIEW A NCV78763 REF Design...

Страница 4: ...control The LED strings DRL PL are driven according to advanced dimming control techniques including logarithmic ramps analog and digital modulation for enhanced human eye sensitivity smoothness perc...

Страница 5: ...LDM A Reference Design NCV78763 ONSEMI BOM DRL PL TURN 8 bit MCU Diagnostics is performed by current sensing in the ECU NCV78763 LDM A as Bulb to LED migration adaptor The module inputs to outputs fun...

Страница 6: ...Confidential 6 29 08 2016 NCV78763 LDM A v1 1 Quick Start Guide HW SETUP...

Страница 7: ...to DRL and PL controlled via logarithmic dimming slopes ramp while channel 02 performs the turn indicator blinker function NCV78763 LDM A REF DES KIT Main board LDM NCV78763 LDM A REF Design Board KIT...

Страница 8: ...nds by the user via buttons and switch NCV78763 LDM A REF DES KIT the LDM Interface Plugs towards LDM A four wire input interface Wall socket Light power supply LAB Bench power supply BUTTONS spy LEDS...

Страница 9: ...V78763 LDM A REF DES KIT Cabling connections Four wires input connector KIT ITEM C Input 01 DRL RED wire banana Input 02 PL BLUE wire banana Input 03 TURN YELLOW wire banana Input 04 GND BLACK wire ba...

Страница 10: ...ctly plugged in the LDM interface in absence of a bench power supply or for highly portable ready to go demos NCV78763 LDM A REF DES KIT Power Supply and plug adapters 12V 3A light power supply KIT IT...

Страница 11: ...ins commercial Automotive LED Modules Philips GH1644 Two samples are available per KIT The LED plates are equipped a customized compact heatsink and cabling to be plugged to the NCV78763 LDM A NCV7876...

Страница 12: ...Confidential 12 29 08 2016 The connections of all previous elements brings to the following NCV78763 LDM A REF DES KIT the entire setup system...

Страница 13: ...hanced feature allowing to adapt parameters to completely different string and or headlight per means of the programmer shown APRGM The current levels for channels 01 and 02 are adjusted via the two r...

Страница 14: ...mming procedure the APRGM board when the system is in power off must first be plugged into the three LDM A main board connectors P4 S1 and P5 respectively CN1 CN2 and CN3 in APRGM NCV78763 LDM A REF D...

Страница 15: ...ive currents in both LED strings At any time the sequence can be exited without save by pressing S2 2 Adjust the current in the LEDs The right setting can be found by human visual perception such as l...

Страница 16: ...Enter procedure while powering up Save factory settings when programming procedure is running Button S2 Exit immediately without saving when programming procedure is running Button S1 Exit programming...

Страница 17: ...Confidential 17 29 08 2016 NCV78763 LDM A v1 1 System Overview Design...

Страница 18: ...Confidential 18 29 08 2016 NCV78763 LDM A REF DES PCB Board 3D Overview NCV78763 LDM A 3D image PCB Size 68mm xx 63mm...

Страница 19: ...view The LDM A REF DES v1 1 top level block schematics view is shown below A INPUTS POWER SIGNALS B REVERSE POLARITY PROTECTION C MCU INPUTS INTERFACE D MCU LOW COST LOW PIN COUNT E NCV78763 LED DRIV...

Страница 20: ...Confidential 20 29 08 2016 NCV78763 LDM A REF DES sub circuit B reverse battery...

Страница 21: ...Confidential 21 29 08 2016 NCV78763 LDM A REF DES sub circuit C MCU interface...

Страница 22: ...Confidential 22 29 08 2016 NCV78763 LDM A REF DES sub circuit D MCU...

Страница 23: ...Confidential 23 29 08 2016 NCV78763 LDM A REF DES sub circuit E NCV78763...

Страница 24: ...Confidential 24 29 08 2016 NCV78763 LDM A REF DES PCB top side...

Страница 25: ...Confidential 25 29 08 2016 NCV78763 LDM A v1 1 System Overview Measurement Report...

Страница 26: ...t the DRL led string is ramped to the nominal current value by combining analog and digital dimming logarithmic mode is shown 1 Analog dimming ramp phase amplitude logarithmic increases 2 Digital dimm...

Страница 27: ...Confidential 27 29 08 2016 System steady state stability low VBAT 7V...

Страница 28: ...Confidential 28 29 08 2016 System steady state stability nom VBAT 13V...

Страница 29: ...Confidential 29 29 08 2016 System steady state stability nom VBAT 19V...

Страница 30: ...Confidential 30 29 08 2016 PSRR stability VBAT 10V 20V The LED current is not affected by harsh battery step ups...

Страница 31: ...Confidential 31 29 08 2016 PSRR stability VBAT 20V 10V Also in case of heavy battery drops the LED current is not affected...

Страница 32: ...VLED is shorted to GND The module turns off the input to flag to the body controller the failure Programmed short circuit detection time Short circuit VLED 0V Failing input is forced off by the relate...

Страница 33: ...33 29 08 2016 ISO 7637 pulses type 1 The LDM A module is validated through the standard ISO 7637 pulses For what concerns pulse type 1 it is shown how it correctly restarts normal operation at each pu...

Страница 34: ...Confidential 34 29 08 2016 ISO 7637 pulses type 1 ZOOM The module correctly restarts normal operation at each pulse iteration Note No reset from the MCU...

Страница 35: ...Confidential 35 29 08 2016 ISO 7637 pulses type 2a Also in this case the module correctly restarts normal operation at each pulse iteration...

Страница 36: ...Confidential 36 29 08 2016 ISO 7637 pulses type 3a The highest amplitude disturbance 150V does not minimally affect the module operation...

Страница 37: ...Confidential 37 29 08 2016 ISO 7637 pulses type 3b The highest disturbance 150V does not affect at all the module operation...

Страница 38: ...Confidential 38 29 08 2016 EMC conducted emission CISPR25 Results obtained without EMC input filter small X7R capacitor only used...

Страница 39: ...onfidential LED FRONTLIGHTING SOLUTIONS AAB NCV78763 LDM A QUICK START GUIDE OVERVIEW Any question or advice Our staff will be glad to provide all necessary information and collect your valuable input...

Страница 40: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information ON Semiconductor NV78763RLA11GEVK...

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