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Related Manuals for ST EVAL-L99ASC03
Summary of Contents for ST EVAL-L99ASC03
- Page 1 UM2983 User manual EVAL-L99ASC03 Evaluation Board Introduction The EVAL-L99ASC03 is an evaluation board designed for sensorless 3Phase BLDC motor control. UM2983 - Rev 1 - January 2022 www.st.com For further information contact your local STMicroelectronics sales office.
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Page 2: Eval-L99Asc03 Board
UM2983 EVAL-L99ASC03 Board EVAL-L99ASC03 Board The EVAL-L99ASC03 is composed by a motherboard and a daughter board on which is pre-assembled the L99ASC03G (see Figure 1). The system features an enhanced power management power supply functionality including various standby modes. The motherboard, based on STM8 microcontroller, provides the logic section for monitoring and driving the L99ASC03G assembled in the daughterboard. -
Page 3: Hardware Description And Setup
L99ASC03G in the daughterboard. • Socket and connectors to plug the daughterboard. The motherboard schematic is shown in the following figures. The schematic and BOM of the motherboard can be found on the ST website. UM2983 - Rev 1 page 3/17... -
Page 4: Figure 3. Stm8 Uni Board - I/O And Body
UM2983 Motherboard schematic Figure 3. STM8 Uni Board - I/O and body UM2983 - Rev 1 page 4/17... -
Page 5: Figure 4. Stm8 Uni Board - Usb Interface
UM2983 Motherboard schematic Figure 4. STM8 Uni Board - USB interface UM2983 - Rev 1 page 5/17... -
Page 6: Figure 5. Stm8 Uni Board - Stm8 And Supply
UM2983 Motherboard schematic Figure 5. STM8 Uni Board - STM8 and supply UM2983 - Rev 1 page 6/17... -
Page 7: Daughterboard Schematic
1 power stage - three phase inverter section: six power MOSFET are soldered, a connector to the external BLCD motor is foreseen. • 3 customer power board connectors. The schematic and BOM of the daughterboard can be found on the ST website. UM2983 - Rev 1 page 7/17... -
Page 8: Figure 6. Eval-L99Asc03 Daughterboard Schematic
UM2983 Daughterboard schematic Figure 6. EVAL-L99ASC03 daughterboard schematic TP15 optional TP41 UM2983 - Rev 1 page 8/17... -
Page 9: Motherboard Layout
UM2983 Motherboard layout Motherboard layout The EVAL-L99ASC03 motherboard was designed in a 2 layers board. Motherboard Top and Bottom layers are shown in Figure 7 Figure 8. Gerber files of the motherboard can be found in the ST website. Figure 7. -
Page 10: Daughterboard Layout
Different choice regarding the number of the layers can be used. A two-layers or an N-layers (where N can be 3 or 4) application board can be used to develop the board for the L99ASC03G application. The EVAL-L99ASC03 daughterboard was designed in a 2 layers board because: •... -
Page 11: Board Connection And Setup
UM2983 Board connection and setup Board connection and setup Figure 11 shows the placement of the components on the motherboard. Also, the placement of the connectors to be used for supplying the evaluation board and connecting with a host PC through USB cable are shown. - Page 12 UM2983 Board connection and setup Jumpers of the motherboard are already set in their default position. Table 1. Motherboard jumper configuration Jumper Description Default position +5 V_DB Not present +5 V_STM8 Present USART USART Reset STM8 Swim STM8 Table 2. Daughterboard jumper configuration Jumper Description...
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Page 13: Revision History
UM2983 Revision history Table 3. Document revision history Date Version Changes 24-Jan-2022 Initial release. UM2983 - Rev 1 page 13/17... -
Page 14: Table Of Contents
EVAL-L99ASC03 Board ........ - Page 15 UM2983 List of tables List of tables Table 1. Motherboard jumper configuration ............12 Table 2.
- Page 16 EVAL-L99ASC03 daughterboard schematic ........
- Page 17 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’...
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