Product overview
Description
The B-G431B-ESC1 Discovery kit is based on the STM32G431CB microcontroller, the L6387 driver and STL180N6F7 power MOSFETs. It is composed of a main power board, and a daughterboard with embedded ST-LINK/V2-1. It is an electronic speed controller (ESC), designed to drive a single 3-phase brushless motor (BLDC/PMSM), performing both sensorless FOC algorithm and 6-step control with a speed regulation, and an active braking function algorithm. The ST sensorless FOC algorithm ensures longer flight times and an optimal dynamic performance. This unit accepts command signal from an external unit for driving and monitoring, for instance a flight control board or equivalent. For this purpose, several communication bus interfaces (UART, CAN, PWM channel) are present. A potentiometer and a user button are available for user application. The daughterboard includes a 5 V battery eliminator circuit (BEC), and the main board embeds an overcurrent/overvoltage and thermal protection circuit. The form factor makes it suitable for small and very light R/C vehicles (FPV race drone) and the motor current capability fits the power requirement of big vehicles, for instance a prosumer drone.
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All features
- Full reference design for electronic speed controller capable of both sensorless FOC and 6-step algorithm
- Designed for drones with up to 6S LiPo battery pack or equivalent suitable DC supply
- 3-phase driver board for BLDC/PMSM motors with discrete N-channel 60 V, 120 A STripFET F7 power MOSFETs
- STM32G431CB Arm® Cortex®-M4 32-bit MCU, 213 DMIPS, 128 Kbytes of Flash memory, 32 Kbytes of SRAM, analog rich, math accelerator
- On-board ST-LINK/V2-1 debugger/programmer detachable from the main board
- Output peak motor current (maximum peak current tested with propeller to have an air-forced cooling): 40 A
- Designed with SMD ceramic capacitors with very low profile
- BEC available through the daughterboard (5 V for external board supply, for example a flight control board)
- Support for motor sensors (Hall or encoder)
- Supported by ST Motor Control Software Development Kit (SDK) with ST Motor profiler
- 3-shunt mode supported for motor current sensing
- L6387 High voltage high and low-side driver with integrated interlocking function
- Overcurrent and overvoltage protection feature (OCP/OVP)
- Thermal measuring and overheating protection with NTC on board
- ESC ready for communication with any standard flight control unit (FCU): PWM/CAN/UART
- Potentiometer and user button available on daughterboard
- Two user LEDs: one green LED for 3.3 V level, and one red LED configurable by the user
- Target applications: motor driving for R/C vehicles, UAV drone, electric car or boat
- PCB type and size:
- FR-4 PCB material
- 8-layer layout
- Dimensions (including the daughterboard with ST-LINK part): 30 mm × 41 mm
- Weight (including the daughterboard with ST-LINK part): 9.2 g
- RoHS compliant
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STM32 programmers ST Worldwide,Asia,Europe,Africa,North America,South America,Oceania,Afghanistan,Bahrain,Bangladesh,Bhutan,Brunei,Burma (Myanmar),Cambodia,China,East Timor,India,Indonesia,Iraq,Japan,Jordan,Kazakhstan,Kuwait,Kyrgyzstan,Laos,Malaysia,Maldives,Mongolia,Nepal,Oman,Pakistan,Philippines,Qatar,Russian Federation,Saudi Arabia,Singapore,South Korea,Sri Lanka,Taiwan,Tajikistan,Thailand,Turkmenistan,United Arab Emirates,Uzbekistan,Vietnam,Yemen,Albania,Andorra,Armenia,Austria,Azerbaijan,Belarus,Belgium,Bosnia and Herzegovina,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Georgia,Germany,Greece,Hungary,Iceland,Ireland,Israel,Italy,Latvia,Liechtenstein,Lithuania,Luxembourg,Macedonia,Malta,Moldova,Monaco,Montenegro,Netherlands,Norway,Poland,Portugal,Romania,San Marino,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Ukraine,United Kingdom,Vatican City,Algeria,Angola,Benin,Botswana,Burkina,Burundi,Cameroon,Cape Verde,Central African Republic,Chad,Comoros,Democratic Republic of Congo,Djibouti,Egypt,Equatorial Guinea,Eritrea,Ethiopia,Gabon,Gambia,Ghana,Guinea,Guinea-Bissau,Ivory Coast,Kenya,Lesotho,Liberia,Libya,Madagascar,Malawi,Mali,Mauritania,Mauritius,Morocco,Mozambique,Namibia,Niger,Nigeria,Rwanda,Sao Tome and Principe,Senegal,Seychelles,Sierra Leone,Somalia,South Africa,Swaziland,Tanzania,Togo,Tunisia,Uganda,Zambia,Zimbabwe,Antigua and Barbuda,Bahamas,Barbados,Belize,Canada,Costa Rica,Dominica,Dominican Republic,El Salvador,Grenada,Guatemala,Haiti,Honduras,Jamaica,Mexico,Nicaragua,Panama,Saint Kitts and Nevis,Saint Lucia,Saint Vincent and the Grenadines,Trinidad and Tobago,United States,Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador,Guyana,Paraguay,Peru,Suriname,Uruguay,Venezuela,Australia,Fiji,Kiribati,Marshall Islands,Micronesia,Nauru,New Zealand,Palau,Papua New Guinea,Samoa,Solomon Islands,Tonga,Tuvalu,Vanuatu STSW-LINK007
ActiveST-LINK, ST-LINK/V2, ST-LINK/V2-1, STLINK-V3 boards firmware upgrade
STM32 utilities ST Worldwide,Asia,Europe,Africa,North America,South America,Oceania,Afghanistan,Bahrain,Bangladesh,Bhutan,Brunei,Burma (Myanmar),Cambodia,China,East Timor,India,Indonesia,Iraq,Japan,Jordan,Kazakhstan,Kuwait,Kyrgyzstan,Laos,Malaysia,Maldives,Mongolia,Nepal,Oman,Pakistan,Philippines,Qatar,Russian Federation,Saudi Arabia,Singapore,South Korea,Sri Lanka,Taiwan,Tajikistan,Thailand,Turkmenistan,United Arab Emirates,Uzbekistan,Vietnam,Yemen,Albania,Andorra,Armenia,Austria,Azerbaijan,Belarus,Belgium,Bosnia and Herzegovina,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Georgia,Germany,Greece,Hungary,Iceland,Ireland,Israel,Italy,Latvia,Liechtenstein,Lithuania,Luxembourg,Macedonia,Malta,Moldova,Monaco,Montenegro,Netherlands,Norway,Poland,Portugal,Romania,San Marino,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Ukraine,United Kingdom,Vatican City,Algeria,Angola,Benin,Botswana,Burkina,Burundi,Cameroon,Cape Verde,Central African Republic,Chad,Comoros,Democratic Republic of Congo,Djibouti,Egypt,Equatorial Guinea,Eritrea,Ethiopia,Gabon,Gambia,Ghana,Guinea,Guinea-Bissau,Ivory Coast,Kenya,Lesotho,Liberia,Libya,Madagascar,Malawi,Mali,Mauritania,Mauritius,Morocco,Mozambique,Namibia,Niger,Nigeria,Rwanda,Sao Tome and Principe,Senegal,Seychelles,Sierra Leone,Somalia,South Africa,Swaziland,Tanzania,Togo,Tunisia,Uganda,Zambia,Zimbabwe,Antigua and Barbuda,Bahamas,Barbados,Belize,Canada,Costa Rica,Dominica,Dominican Republic,El Salvador,Grenada,Guatemala,Haiti,Honduras,Jamaica,Mexico,Nicaragua,Panama,Saint Kitts and Nevis,Saint Lucia,Saint Vincent and the Grenadines,Trinidad and Tobago,United States,Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador,Guyana,Paraguay,Peru,Suriname,Uruguay,Venezuela,Australia,Fiji,Kiribati,Marshall Islands,Micronesia,Nauru,New Zealand,Palau,Papua New Guinea,Samoa,Solomon Islands,Tonga,Tuvalu,Vanuatu STSW-LINK009
ActiveST-LINK, ST-LINK/V2, ST-LINK/V2-1, STLINK-V3 USB driver signed for Windows
STM32 utilities ST STSW-LINK009Description:
ST-LINK, ST-LINK/V2, ST-LINK/V2-1, STLINK-V3 USB driver signed for Windows
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All resources
| Resource title | Version | Latest update |
|---|
Product Specifications (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.0 | 10 Apr 2019 | 10 Apr 2019 |
Technical Notes & Articles (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 7.0 | 15 Jan 2025 | 15 Jan 2025 |
User Manuals (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 4.0 | 23 Mar 2021 | 23 Mar 2021 |
Wiki (3)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.0 | | |||
| 1.0 | | |||
| 1.0 | |
Presentations (2)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.0 | 20 Jun 2023 | 20 Jun 2023 | ||
| 1.0 | 26 Mar 2025 | 26 Mar 2025 |
Flyers (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 20.07 | 12 Apr 2022 | 12 Apr 2022 |
Brochures (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 10.2022 | 21 Oct 2022 | 21 Oct 2022 |
License Agreement (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 5.0 | 21 Sep 2016 | 21 Sep 2016 |
Evaluation Board Terms of Use (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 2.0 | 15 Jan 2025 | 15 Jan 2025 |
All resources
| Resource title | Version | Latest update |
|---|
Board Manufacturing Specifications (2)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| ZIP | 3.0 | 17 Mar 2021 | 17 Mar 2021 | |
| ZIP | 2.0 | 17 Mar 2021 | 17 Mar 2021 |
Bill of Materials (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| ZIP | 4.0 | 18 Mar 2021 | 18 Mar 2021 |
Schematic Pack (3)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.2 | 04 Feb 2021 | 04 Feb 2021 | ||
| 1.0 | 04 Feb 2021 | 04 Feb 2021 | ||
| 1.0 | 17 Mar 2021 | 17 Mar 2021 |
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Quality and Reliability
| Part Number | Marketing Status | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|
| B-G431B-ESC1 | Active | Ecopack1 | |
Marketing Status
Active
RoHS Compliance Grade
Ecopack1
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
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| Part Number | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Supplier | Specific features | WEEE Compliant | Core Product | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B-G431B-ESC1 | Active | 18.0 / 1 | Available at 4 distributors Distributor availability of B-G431B-ESC1
Distributor reported inventory date: 3/31/2025 | | | | Buy from Distributor | | CHINA | 3A991.a.2 | NEC | ST |
| true | STM32G431CB |
B-G431B-ESC1 Active
Budgetary Price (US$)*/Qty:
18.0 / 1
Package:
-
Packing Type:
-
RoHS:
Country of Origin:
CHINA
ECCN (US):
3A991.a.2
ECCN (EU):
NEC
Part Number:
B-G431B-ESC1
Supplier:
ST
Specific features:
-
WEEE Compliant:
true
Core Product:
STM32G431CB
Distributor Name
Farnell Element14
Stock
764Min.Order
1ANGLIA Live
Stock
247Min.Order
1MOUSER
Stock
523Min.Order
1DIGIKEY
Stock
719Min.Order
1Distributor reported inventory date: 3/31/2025
Stock
Min.Order
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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors