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UM3437
User manual
Getting started with the STEVAL boards based on the LED1202 LED driver
Introduction
There are four types of evaluation boards that mount a different number of LED1202 LED drivers. Each board has different
LEDs devices with different kind of layout panels, to demonstrate the versatility of the LED1202 when configured with different
types of LED, monochrome, or RGB.
All the boards share the same software application, the STSW-LED1202GUI. In this way the use of any of these STEVAL is not
different from any other.
UM3437 - Rev 1 - October 2024
www.st.com
For further information contact your local STMicroelectronics sales office.

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Summary of Contents for ST STEVAL-LLL007V1

  • Page 1 All the boards share the same software application, the STSW-LED1202GUI. In this way the use of any of these STEVAL is not different from any other. UM3437 - Rev 1 - October 2024 www.st.com For further information contact your local STMicroelectronics sales office.
  • Page 2: Steval-Lll007V1

    LED1202 are connected with the White LEDs panel. It also reports the I2C address for each IC and which LED channel is associated with each White LED. Figure 1. STEVAL-LLL007V1 main board STEVAL-LLL007V1 works when connected with a Nucleo-64 board, programmed with the STSW-LLL007FW firmware.
  • Page 3: Steval-Lll011V1

    UM3437 STEVAL-LLL011V1 STEVAL-LLL011V1 STEVAL-LLL011V1 is a standalone evaluation kit, composed by four LED1202 ICs connected with 16 RGB LEDs as showed in the layout below. For each LED, is reported the I2C address and the channels at which is connected. The LED1202 is connected with an STM32L073 MCU.
  • Page 4: Steval-Lll015V1

    UM3437 STEVAL-LLL015V1 STEVAL-LLL015V1 STEVAL-LLL015V1 is an evaluation board with eight LED1202 and an STM32L072 MCU. In this board 8 LED1202 are connected to a single I2C bus and synchronized with the same clock. The STM32L072 acts as a bridge between the LED drivers and the PC software: communication is performed by a USB cable that supplies the board too.
  • Page 5: X-Nucleo-Led12A1

    UM3437 X-NUCLEO-LED12A1 X-NUCLEO-LED12A1 The LED1202 is a 12-channel low quiescent current LED driver, which guarantees 5 V output driving capability. Each channel is able to provide up to 20 mA with a headroom voltage of 350 mV (typ.) only. The output current can be adjusted separately for each channel through an 8-bit analog and 12-bit digital dimming control.
  • Page 6: Steval-Lll007M1 Schematic Diagrams

    UM3437 STEVAL-LLL007M1 schematic diagrams STEVAL-LLL007M1 schematic diagrams Figure 5. STEVAL-LLL007M1 circuit schematic L1_CS0 L1_CS1 L1_CS2 L2_CS11 ADDR=59h L1_CS3 L2_CS10 ADDR=58h L1_CS4 L2_CS9 ADDR=5Ah L1_CS5 L2_CS8 L1_CS6 L2_CS7 L1_CS7 L2_CS6 L1_CS8 L2_CS5 L1_CS9 L2_CS4 Place close L1_CS10 L2_CS3 to J16 pins L1_CS11 L2_CS2 L3_CS0...
  • Page 7: Figure 6. Steval-Lll007D1 Circuit Schematic

    UM3437 STEVAL-LLL007M1 schematic diagrams Figure 6. STEVAL-LLL007D1 circuit schematic L1_CS0 L1_CS4 L1_CS8 VLMY31K1L2-GS08 VLMY31K1L2-GS08 VLMY31K1L2-GS08 L_3V3 L2_CS0 L_3V3 L2_CS4 L_3V3 L2_CS8 VLMY31K1L2-GS08 VLMY31K1L2-GS08 VLMY31K1L2-GS08 L3_CS0 L3_CS4 L3_CS8 VLMY31K1L2-GS08 VLMY31K1L2-GS08 VLMY31K1L2-GS08 L1_CS1 L1_CS5 L1_CS9 VLMY31K1L2-GS08 VLMY31K1L2-GS08 VLMY31K1L2-GS08 L_3V3 L2_CS1 L_3V3 L2_CS5 L_3V3 L2_CS9 VLMY31K1L2-GS08...
  • Page 8: Figure 7. Steval-Lll007D2 Circuit Schematic

    UM3437 STEVAL-LLL007M1 schematic diagrams Figure 7. STEVAL-LLL007D2 circuit schematic UM3437 - Rev 1 page 8/30...
  • Page 9: Steval-Lll007M1 Bill Of Materials

    UM3437 STEVAL-LLL007M1 bill of materials STEVAL-LLL007M1 bill of materials Table 1. STEVAL-LLL007M1 bill of materials Item Q.ty Ref. Part/Value Description Manufacturer Order code CN7, CN10, SSW-119-01-T-D Connector Samtec SSW-119-01-T-D C1, C2, C3, Capacitor SMD 1µ, 16V ±10% CGA3E1X7R1C105K080AC C4, C5, C6 0603 Capacitor SMD C7, C8...
  • Page 10: Steval-Lll007V1 Kit Versions

    STEVAL$LLL007V1A bill of materials STEVAL$LLL007V1A 1. This code identifies the STEVAL-LLL007V1 evaluation kit first version. The kit consists of a STEVAL-LLL007M1 whose version is identified by the code STEVAL$LLL007M1A, a STEVAL-LLL007D1 whose version is identified by the code STEVAL$LLL007D1A and a STEVAL-LLL007D2 whose version is identified by the code STEVAL$LLL007D2A.
  • Page 11: Steval-Lll011V1 Schematic Diagrams

    UM3437 STEVAL-LLL011V1 schematic diagrams STEVAL-LLL011V1 schematic diagrams Figure 8. STEVAL-LLL011V1 schematic UM3437 - Rev 1 page 11/30...
  • Page 12: Steval-Lll011V1 Bill Of Materials

    UM3437 STEVAL-LLL011V1 bill of materials STEVAL-LLL011V1 bill of materials Table 5. STEVAL-LLL011V1 bill of materials Manufacture Item Q.ty Ref. Part / Value Description Order code C1, C3, C6, C7, C11, C12, C25, 1µ 25V C 0603 1608Metric Wurth 885012206076 C26, C2, C4, C5 C13, C15, C14, 1µ...
  • Page 13 UM3437 STEVAL-LLL011V1 bill of materials Manufacture Item Q.ty Ref. Part / Value Description Order code U1, U4, U6, U7 VFQFPN20 3x3 0.5 LED1202 SOT-666 USBLC6-2 DFN-6-1EP 3x3mm STBC08 Pitch0.95mm DFN-6-1EP 3x3mm LD39050PU33R Pitch0.95mm LQFP-64 10x10mm STM32L073RZT Pitch0.5mm SOT-363 SC-70-6 74LVC1G175 LGA-16 3x3mm L3GD20H P0.5mm L3GD20H...
  • Page 14: Steval-Lll011V1 Board Versions

    UM3437 STEVAL-LLL011V1 board versions STEVAL-LLL011V1 board versions Table 6. STEVAL-LLL011V1 versions PCB version Schematic diagrams Bill of materials STEVAL$LLL011V1A schematic diagrams STEVAL$LLL011V1A bill of materials STEVAL$LLL011V1A 1. This code identifies the STEVAL-LLL011V1 evaluation board first version. It is printed on the board PCB. UM3437 - Rev 1 page 14/30...
  • Page 15: Steval-Lll015M1 Schematic Diagrams

    UM3437 STEVAL-LLL015M1 schematic diagrams STEVAL-LLL015M1 schematic diagrams Figure 9. STEVAL-LLL015M1 schematic diagram (1 of 3) UM3437 - Rev 1 page 15/30...
  • Page 16: Figure 10. Steval-Lll015D1 Schematic Diagram (2 Of 3)

    UM3437 STEVAL-LLL015M1 schematic diagrams Figure 10. STEVAL-LLL015D1 schematic diagram (2 of 3) UM3437 - Rev 1 page 16/30...
  • Page 17: Figure 11. Steval-Lll015D1 Schematic Diagram (3 Of 3)

    UM3437 STEVAL-LLL015M1 schematic diagrams Figure 11. STEVAL-LLL015D1 schematic diagram (3 of 3) UM3437 - Rev 1 page 17/30...
  • Page 18: Steval-Lll015V1 Bill Of Materials

    UM3437 STEVAL-LLL015V1 bill of materials STEVAL-LLL015V1 bill of materials Table 7. STEVAL-LLL015V1 bill of materials Item Q.ty Ref. Part / Value Description Manufacturer Order code Ceramic C1, C4, C36 1u 16V Murata GCM21BL81C105KA58L Capacitor Ceramic 10u 10V Wuerth 885012108010 Capacitor C3, C5, C6, C7, Ceramic C9, C10, C11,...
  • Page 19 VFDFPN 8 ST1S31PUR Convernter 3x3x1.0 LD39050PU33R 3.3V LDO LD39050PU33R , DFN6 3x3 STM32L072KZ Ux, UFQFPN 32 32 bit ARM MCU ST STM32L072KZU6 5x5x0.55 mm LED1202, U5, U6, U7, U8, WFQFPN U9, U10, U11, LED Driver LED1202QTR 3X3X0.60 20L PITCH 0.5...
  • Page 20: Steval-Lll015V1 Board Versions

    UM3437 STEVAL-LLL015V1 board versions STEVAL-LLL015V1 board versions Table 8. STEVAL-LLL015V1 versions PCB version Schematic diagrams Bill of materials STEVAL$LLL015V1A schematic diagrams STEVAL$LLL015V1A bill of materials STEVAL$LLL015V1A 1. This code identifies the STEVAL-LLL015V1 evaluation board first version. It is printed on the board PCB. UM3437 - Rev 1 page 20/30...
  • Page 21: Steval-Lll015V1 Regulatory Compliance Information

    UM3437 STEVAL-LLL015V1 regulatory compliance information STEVAL-LLL015V1 regulatory compliance information Notice for US Federal Communication Commission (FCC) For evaluation only; not FCC approved for resale FCC NOTICE - This kit is designed to allow: (1) Product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and (2) Software developers to write software applications for use with the end product.
  • Page 22: Nucleo-Led12A1 Schematic Diagrams

    UM3437 X-NUCLEO-LED12A1 schematic diagrams X-NUCLEO-LED12A1 schematic diagrams Figure 12. X-NUCLEO-LED12A1 expansion board circuit schematic NUCLEO MORPHO CONNECTORS L1_CS0 L2_CS11 CN10 L1_CS1 L2_CS10 L1_CS2 L2_CS9 L1_CS3 L2_CS8 L1_CS4 L2_CS7 L1_CS5 L2_CS6 L1_CS6 L2_CS5 VOUT L1_CS7 L2_CS4 L1_CS8 L2_CS3 LDL112PT-TR R1336K L1_CS9 L2_CS2 L1_CS10 L2_CS1...
  • Page 23: X-Nucleo-Led12A1 Bill Of Materials

    UM3437 X-NUCLEO-LED12A1 bill of materials X-NUCLEO-LED12A1 bill of materials Table 9. X-NUCLEO-LED12A1 expansion board bill of materials Item Q.ty Ref. Part/Value Description Manufacturer Order code CN5 Female on Top, Male CONN1x10 2.54 mm Connector Wurth 61301011121 on Bottom CN6, CN9 Female on CONN1x8 2.54 mm Connectors...
  • Page 24: Table 10. Led Panel Bill Of Materials

    UM3437 X-NUCLEO-LED12A1 bill of materials Table 10. LED panel bill of materials Manufact Item Q.ty Ref. Value Description Part Number urer D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, PLCC White LEDs...
  • Page 25: Nucleo-Led12A1 Board Versions

    UM3437 X-NUCLEO-LED12A1 board versions X-NUCLEO-LED12A1 board versions Table 11. X-NUCLEO-LED12A1 versions PCB version Schematic diagrams Bill of materials X$NUCLEO-LED12A1 schematic diagrams X$NUCLEO-LED12A1 bill of materials X$NUCLEO-LED12A1 1. This code identifies the X-NUCLEO-LED12A1 evaluation board first version. It is printed on the board PCB. UM3437 - Rev 1 page 25/30...
  • Page 26: Revision History

    UM3437 Revision history Table 12. Document revision history Date Revision Changes 24-Oct-2024 Initial release. UM3437 - Rev 1 page 26/30...
  • Page 27: Table Of Contents

    STEVAL-LLL007V1 kit versions ........
  • Page 28: List Of Tables

    UM3437 List of tables List of tables Table 1. STEVAL-LLL007M1 bill of materials ............9 Table 2.
  • Page 29: List Of Figures

    STEVAL-LLL007V1 main board ........
  • Page 30 ST’s terms and conditions of sale in place at the time of order acknowledgment. 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’...

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