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ST EVAL-L9177A User Manual

Manual is about: demo board hardware

Summary of EVAL-L9177A

  • Page 1

    July 2017 docid030859 rev 1 1/20 1 um2263 user manual eval-l9177a demo board hardware introduction the eval-l9177a is an evaluation board designed to evaluate l9177a, a smart power device designed by stmicroelectronics in advanced bcd technology. L9177 is able to drive all the relevant loads used in...

  • Page 2: Contents

    Contents um2263 2/20 docid030859 rev 1 contents 1 hardware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 microcontroller . . . . . . ....

  • Page 3: List of Tables

    Docid030859 rev 1 3/20 um2263 list of tables 3 list of tables table 1. L9177a pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 2. Motherboard jumpers and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 4: List of Figures

    List of figures um2263 4/20 docid030859 rev 1 list of figures figure 1. Application block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 2. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 5: 1 Hardware

    Docid030859 rev 1 5/20 um2263 hardware description 18 1 hardware description the eval-l9177a-spi board provides maximum flexibility, access to all pins to simplify the evaluation and debug phase. 1.1 block diagram figure 1. Application block diagram 1.2 microcontroller standard apg connector 4 x 36....

  • Page 6: 2 Block

    Block diagram um2263 6/20 docid030859 rev 1 2 block diagram figure 2. Block diagram *$3*36 63, ,1- *1'b3b *1'b3b /$03 7$&+ 287' 287& *1'b,1- *1'2+ *1'b,1- 5(/ 5(/ 5(/ 2+ 287% 287$ ,1- ,1 9% .( ,1 95287 95,1 95,1 ./b5; ./b7; ,1b5(/ ,1b5(/ ,/6b7$&+ (1 5(;7 3:0 5(6(7 6&. &6 62 6, ',5 9%b ,12+ 5(6(7 2sh...

  • Page 7

    Docid030859 rev 1 7/20 um2263 l9177a pinout and pin description 18 3 l9177a pinout and pin description figure 3. L9177a pinout table 1. L9177a pin descriptions pin number pin name description class i/o type 1 dir logic input to set stepper motor direction signal i 2 nc not connected - - 3 vdd_trk tr...

  • Page 8

    L9177a pinout and pin description um2263 8/20 docid030859 rev 1 12 gnd_o2h o2 sensor heater ground pwr gnd 13 nc not connected - - 14 ino2h o2 sensor heater input signal i 15 reset reset signal to the micro signal o 16 in_rel2 relay 2 parallel control input signal i 17 in_rel1 relay 1 parallel contr...

  • Page 9

    Docid030859 rev 1 9/20 um2263 l9177a pinout and pin description 18 46 vdd 5v voltage regulator output pwr o 47 nc not connected - - 48 pwm logic input for stepper motor signal i 49 vdd_sb 5v standby voltage regulator output pwr o 50 vb battery line to bridge 2 pwr i 51 outd output bridge 2 pwr o 52 ...

  • Page 10

    L9177a pinout and pin description um2263 10/20 docid030859 rev 1 3.1 board layout figure 4. Board front layout figure 5. Board back layout.

  • Page 11

    Docid030859 rev 1 11/20 um2263 l9177a pinout and pin description 18 figure 6. Board front view.

  • Page 12

    Evaluation board main components and connectors um2263 12/20 docid030859 rev 1 4 evaluation board main components and connectors figure 7. Motherboard main components and connectors.

  • Page 13: Jumpers & Connectors

    Docid030859 rev 1 13/20 um2263 jumpers & connectors 18 5 jumpers & connectors 5.1 motherboard jumpers & connectors table 2. Motherboard jumpers and connectors name description type j1 microcontroller v cc selector jumper: on: microcontroller is supplied by l9177a vcc regulator off: microcontroller i...

  • Page 14

    Jumpers & connectors um2263 14/20 docid030859 rev 1 j11 serial interface tx selector for k-line 3 way jumper: 1-2: serial 0 2-3: serial 1 j12 stepper motor output screw connector: 1: out c 2: out d j13 serial interface rx selector for k-line 3 way jumper: 1-2: serial 0 2-3: serial 1 j14 vrs differen...

  • Page 15

    Docid030859 rev 1 15/20 um2263 jumpers & connectors 18 j21 igbt1 driver enable jumper: on: ign1 connected to igbt off: ign1 disconnected to igbt j22 reset connector jumper: on: l9177a reset connected to uc reset input off: l9177a reset disconnected to uc reset input j23 water temperature sensor inpu...

  • Page 16

    Jumpers & connectors um2263 16/20 docid030859 rev 1 figure 8. Microcontroller connector figure 9. Expansion connector.

  • Page 17: 6 Functional

    Docid030859 rev 1 17/20 um2263 functional description 18 6 functional description 6.1 default jumper setting 6.2 getting started 6.2.1 start up 1. Configure all the jumper according to table 2. Connect a power supply to j4 respecting the right polarity 3. Configure the power supply to 13.5 v and lim...

  • Page 18

    L91 77a ev aluat ion boar d sch emat ic um22 63 1 8 /2 0 d ocid030 859 re v 1 appendix a l9177a evaluation board schematic figure 10. L9177a evaluation board schematic 9&& 9&& 9&& *1' *1' *1' *1' *1' *1' *1' - 5(6(7 5(6(7 ./b5;b ./b7;b 7b$,5 7b+2 3b%2267 /$0%'$b,1 ./b7;b ./b5;b 9''b6% 3:0 ',5 67(3b(...

  • Page 19: Revision History

    Docid030859 rev 1 19/20 um2263 revision history 19 revision history table 4. Document revision history date revision changes 18-jul-2017 1 initial release..

  • Page 20

    Um2263 20/20 docid030859 rev 1 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...