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EVBUM2115 - NCV7703 Evaluation Board User`s Manual

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1. www BDTIC com ON
2. NCV7703GEVB NCV7703 Evaluation Board User s Manual Description The NCV7703 is a fully protected triple half bridge driver designed specifically for automotive and industrial motion control applications The three half bridge drivers have independent control This allows for high side low side and H Bridge control H Bridge control provides forward reverse brake and high impedance states Driver control is accomplished via a standard Serial Peripheral Interface SPI The Evaluation Board includes both an NCV7703 and NCV8501 5 V regulator By means of a jumper the user can select an on board or external Vcc source for the IC Numerous convenient terminal points are provided to accommodate multiple application configurations Features Ultra Low Quiescent Current in Sleep Mode Three High Side and Three Low Side Drivers Connected as Half Bridges Figure 1 Evaluation Board Photo ON Semiconductor http onsemi com EVAL BOARD USER S MANUAL Internal Free wheeling Clamp Diodes Configurable as H Bridge Drivers e 0 5 A Continuous 1 A peak Current e Rdson 0 8 Q typ e 5 MHz SPI Control with Daisy Chain Capability Compliance with 5 V and 3 3 V Systems Over Voltage Lockout e Under Voltage Lockout Fault Reporting 1 4 A Over Current Threshold Detection with Optional Shutdown 3 A Current Limit with Auto Shutdown Over Temperature Warning and Protection Levels Inter
3. Yes Yes 5v EN 2 Jumper Sullins Electronic Corp SsCO2ZS YAN Yes Yes Jumper 100mil Molex VValdom 5v EN 4 Posts spacing Electronics Corp 22 20 4023 Yes Yes Connector 42mil Various 19 Posts diameter Vector Electronics K24C M Yes Yes Optional Capacitor selection is based on application and noise control requirements ON Semiconductor and N are registered trademarks of Semiconductor Components Industries LLC SCILLC SCILLC reserves the right to make changes without further notice to any products herein SCILLC makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does SCILLC assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation special consequential or incidental damages Typical parameters which may be provided in SCILLC data sheets and or specifications can and do vary in different applications and actual performance may vary over time All operating parameters including Typicals must be validated for each customer application by customer s technical experts SCILLC does not convey any license under its patent rights nor the rights of others SCILLC products are not designed intended or authorized for use as components in systems intended for surgical implant into the body or other applications intended to support or sustain
4. if powering from an external source LED D1 indicates when 5 V is present powered on board or externally Battery or Supply GHD Vhat R p High Side iT or Low Side Drive Capability Notice the SO of the SPI controller connects to the SI of the NCV7703GEVB and the SO of the NCV7703GEVB connects to the SI of the SPI controller The Enable jumper hard wires the Enable pin EN to be on The Enable function may also be provided by the SPI Controller Disconnect the Enable jumper when providing the signal externally Refer to the data sheet for SPI interface functionality SPI Controller te LK CSE GAD SI EN Optional Yet Supphy Optional GND S oy SV Jumper IM Local Regulator OUT YCC Supply EH Jumper Su LED Indicator IM Local ENABLE OUT SPI Cont EM Figure 4 Typical NCV7703 Power Connections SPI Communication Standard 16 bit communication has been implemented for the communication of this IC to turn drivers on and off and to report faults The LSB Least Significant Bit is clocked in first Communication is implemented as follows 1 CSB goes low to allow serial data transfer 2 A 16 bit word is clocked SCLK into the SI Serial Input pin 3 CSB goes high to transfer the clocked in information to the data registers Note SO is tristate when CSB is high 4 The SI data will be accepted when a valid SPI frame is detected A valid SPI frame consists of the above co
5. life or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application Buyer shall indemnify and hold SCILLC and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part SCILLC is an Equal Opportunity Affirmative Action Employer This literature is subject to all applicable copyright laws and is not for resale in any manner PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT N American Technical Support 800 282 9855 Toll Free ON Semiconductor Website www onsemi com Literature Distribution Center for ON Semiconductor USA Canada P O Box 5163 Denver Colorado 80217 USA Europe Middle East and Africa Technical Support Order Literature http www onsemi com orderlit Phone 303 675 2175 or 800 344 3860 Toll Free USA Canada Phone 421 33 790 2910 f Fax 303 675 2176 or 800 344 3867 Toll Free USA Canada Japan Customer Focus Center For additional information please contact your local Email orderlit onsemi com Phone 81 3 5817 1050 Sales Representative
6. nally Fused Leads in SON 14 Package ON Semicond uctor W w oOnsemicom NCV7703G Rev B on T C3 Te Re CS ROHS compliant Figure 2 Silkscreen Showing Component Positions of the NCV7703GEVB WW BD TTC com ON sau May 2012 Rev 2 e EVBUM2115 D NCV7703GEVB SCHEMATIC Vout PON G 2a 7 EN Reset d OUT3 OUT1 D Dela GND a p 10k TET c Meg al EN c22 e a O 1uF c GND GND D L Pinout Vcc 5V R9 C12 A 100k 0 1uF l A D1 470 EN Hi 7 U1 R8 100k SO R2 100 SI R7 OUT1 100 OUT2 C16 gt 10pF OUT3 SCLK R6 100 NCV7703 C7 C2 C3 e415 10nF 10nF 10nF 10pF CSB R5 a 100 C14 10pF VB GND Ge 330uF GND Lt C gt p Figure 3 Evaluation Board Schematic www BD t ctom ON NCV7703GEVB Typical connections to the evaluation board are shown in Figure 4 The diagram illustrates half bridge operation of a motor and the option for a high side or low side load The load connections are for illustration only and do not limit other possible connections The connection of the battery or supply to VB powers the board Vcc for the NCV7703 may be powered by the on board regulator powered from VB with the 5 V jumper Remove the 5 V jumper
7. nditions and a complete set of multiples of 16 bit words C56 l www BD FiEtcom ON NCV7703GEVB SPI Communication Frame Format The table below defines the programming bits and chain communication between SPI compatible IC s is diagnostic bits Fault information is sequentially clocked possible by connection of the Serial Output pin SO to the out the SO pin of the NCV7703 as programming input of the sequential IC SI information is clocked into the SI pin of the device Daisy Table 1 PROGRAMMING AND DIAGNOSTIC BITS Input Data Output Data Bit Bit Number Bit Description Number Bit Description 15 Over Voltage Lock Out Control 0 Disable Power Supply Fail Signal 0 0 NoFault Fault OVLO PSF for OVLO or UVLO Not Used Under Load Detect Signal 0 No Fault ULD 1 t Fauit t Fauit Over Current Detection Shut 0 Disable Over Load Detect Signal 0 No Fault Down Control OCD OLD 1 1 Enable 1 Enable 1 t Fauit t Fauit ee a a a e a T CC SS S T D NotUsed O Used NotUsed o Used pee SE 3 OUTL2 0 Off 3 OUTL2 1 On 1 On ee ee Ea Thermal Warning ae Eien Operational Recommendations Recommended operating voltages for this board are Vbat 13 2 V Vcc S5 V This board is not reverse battery protected Damage to the board may occur with incorrect connections The NCV7703 device and CS aluminum electrolytic capacitor are particularly sensitive to reverse batte
8. ry conditions See the NCV7703 D datasheet for electrical and environmental www BD PT t tom ON NCV7703GEVB Figure 5 Component Side Etch Pattern Figure 6 Reverse Side Etch Pattern Shown from Component Side www BD Ptle tom ON NCV7703GEVB BILL OF MATERIALS Designator Quantity Description Value Tolerance Footprint Manufacturer Manufacturer Part Number Substitution Allowed Lead Free SON 14 oie 1 NCW7703 NA NA fused ON Semiconductor TBD No Yes U2 1 NCYe501 5V 50 8 ON Semiconductor NCV8501 D506 No Yes 10pF to 100pF g C2 C3 C7 N A Output Capacitor typ NA 0805 User Supplied NA NA N A Radial 200 mil C5 1 VB Power Supply Capacitor 330uF 50 20 spacing United Chemi Con ELXZ500ELL351MJ25S Yes Yes YCC Power Supply Capacitor C12 C22 1 NCY6501 Bypass Capacitor O 1uF 50 10 1206 Yageo America CC1206KRX 7R9IBB104 Yes Yes C14 C15 C16 3 SPI Input Capacitor 10pF 50 5 0805 Yageo America CCOS05JRNPOSBN100 Yes Yes R1 1 EN input Resistor 1k 1 0805 Yageo America RCOS05FR 071KL Yes Yes R2 R5 R6 R7 4 SPI Input Resistor 100 1 0805 Yageo America RCOB05FR 07100RL Yes Yes R3 1 NCV8501 EN Input Resistor 10k 1 0805 Yageo America RCOS05FR 07 10KL Yes Yes R4 1 LED Current Setting Resistor 470 1 0805 Yageo America RCOS05FR 07470RL Yes Yes EN Pulldown Resistor r RS RY 2 CSB Pullup Resistor 100k 1 0805 Yageo America RCOS05FR 07 100KL Yes Yes D1 1 YCC Operational green LED M A N A 2246 Panasonic LN11361CTR

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