Connecting INA240 with Shunt Resistor
217 days
Worked
217 days
Reviews
1s 4in1 esc
Properties
Buttons
Battery
10
USB
S1: PC6; S2: PC7; S3: PB0; S4: PB1
TIM1_CH1: PA8; TIM1_CH1N: PB13; TIM1_CH2: PA9; TIM1_CH2N: PB14; TIM1_CH3: PA10; TIM1_CH3N: PB15; TIM1_CH4: PA11
Power Conversion
Automotive
flowchart TD VBAT["VBAT Input 1S-2S"] BulkCaps["VBAT Bulk Capacitors"] BuckBoost5V["VBAT to 5V Buck-Boost"] Rail5V["5V Rail"] BuckBEC3V3["3.3V BEC TLV62568"] Rail3V3["3.3V Rail"] BoostVDRV["10V VDRV Boost TPS61088"] VDRV10V["10V VDRV Rail"] MCU["STM32G431CBT6 MCU"] GateDrivers["DRV8328 Gate Drivers"] MOSFETs["NTMFS5C628NL MOSFETs"] CurrentSense["Shunt + INA181 Current Sense"] Telemetry["Telemetry / TLM"] JSTSH["JST-SH BM08B-SRSS-TB FC Header"] VBAT --> BulkCaps BulkCaps --> BuckBoost5V BuckBoost5V --> Rail5V Rail5V --> BuckBEC3V3 BuckBEC3V3 --> Rail3V3 BulkCaps --> BoostVDRV BoostVDRV --> VDRV10V Rail3V3 --> MCU Rail5V --> MCU VDRV10V --> GateDrivers Rail3V3 --> GateDrivers GateDrivers --> MOSFETs VBAT --> CurrentSense CurrentSense --> MCU MCU --> Telemetry Telemetry --> JSTSH VBAT --> JSTSH Rail5V --> JSTSH Rail3V3 --> JSTSH CurrentSense --> JSTSH ClockIn["External Clock/HSE"] --> MCU MCU -->|12 PWM| GateDrivers MCU -->|4 DSHOT| GateDrivers CurrentSense -->|ADC_IN| MCU Telemetry -->|UART_TX/RX| MCU
Bare metal
4-in-1 1S–2S 70A BLDC ESC with integrated VBAT-to-5 V buck-boost converter, 3.3 V BEC (TLV62568), 10 V VDRV rail (TPS61088), and STM32G431CBT6 MCU providing 12 PWM outputs and 4 DSHOT inputs for 4× DRV8328 gate drivers with current sense and telemetry.
7.4
Power Management
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Arrow | $25.10–$27.72 |
Digi-Key | $10.93–$12.23 |
LCSC | $14.23–$14.36 |
Mouser | $37.83 |
TME | $4.50 |
Verical | $15.80–$141.66 |
Controls
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