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STM32H743VIT6
Properties
flowchart TD XT60["XT60 6S Input"] USB["USB-C 5V Input"] PMUX["USB/XT60 Power-Mux"] Buck["6S-rated Buck Converter"] LDO["3.3V LDO Regulator"] MCU["STM32H743 MCU"] VBAT_DIV["VBAT Divider Circuit"] CUR_IN["60A Current Sense + CUR_IN ADC"] ESCx6["ESC x6 JST-GH Outputs"] GPS["GPS JST-GH"] SBUS["SBUS JST-GH"] TEL1["Telemetry 1 JST-GH"] TEL2["Telemetry 2 JST-GH"] AUX1["AUX 1 JST-GH"] AUX2["AUX 2 JST-GH"] IMU["ICM42688 IMU"] BARO["MS5611 Barometer"] COMPASS["IST8310 External Compass (JST-GH)"] QSPI["S25FL064LA QSPI Flash"] OSC_HSE["8 MHz HSE Crystal"] OSC_LSE["32.768 kHz LSE Crystal"] XT60 --> PMUX USB --> PMUX PMUX --> Buck Buck --> LDO LDO --> MCU XT60 --> VBAT_DIV VBAT_DIV --> MCU XT60 --> CUR_IN CUR_IN --> MCU MCU --> ESCx6 MCU --> GPS MCU --> SBUS MCU --> TEL1 MCU --> TEL2 MCU --> AUX1 MCU --> AUX2 MCU --> IMU MCU --> BARO MCU --> COMPASS MCU --> QSPI MCU --> OSC_HSE MCU --> OSC_LSE
External IST8310 magnetometer via connector
Aerospace
ICM42688
BMI270: Accelerometer noise ~90 μg/√Hz; Gyroscope noise ~0.007 °/s/√Hz. ICM42688: Accelerometer noise ~75 μg/√Hz; Gyroscope noise ~0.004 °/s/√Hz. Overall, ICM42688 offers lower noise performance.
46.0 mm x 46.0 mm
Proceed to PCB planning: confirm 4-layer stackup, determine board outline from current component extents, define mounting hole strategy, and then begin component placement with priority on IMU and barometer proximity to MCU and analog ground.
USB-C + XT60 6S with power-mux, buck to 5V, LDO to 3V3, VBAT divider and 60 A current sense into MCU ADC
Schematic and core architecture defined; ready for layout planning.
Microcontroller
STMicroelectronics
STM32H743VIT6
U
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Arrow | $25.89–$34.70 |
Digi-Key | $28.11–$37.55 |
LCSC | $36.71–$40.10 |
Mouser | $48.35–$48.67 |
TME | $3.81 |
Verical | $20.92–$38.35 |
Controls
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