FAQ:
- Q: Does this module support brushless and non-inductive BLDC?
- A: Yes. The DRV8301 motor drive module features three-phase BEMF output which can be used to sample communication signal.
- Q: Does it support ST FOC library?
- A: Yes. In addition to two-channel chip internal current amplifier, the DRV8301 driver board features three-channel external current amplifier circuit to support ST FOC three-resistor current sampling mode.
GND: GND nOCTW: nOCTW
nSCS: nSCS
SDO: SDO
DC-CAL: DRV8310 Internal Amplifier Input Short Circuit Switching Signal
INH-A: Phase A High-side MOS Switch Signal
INH-B: Phase B High-side MOS Switch Signal
INH-C: Phase C High-side MOS Switch Signal
SO-2: DRV8310 Internal Amplifier 2 Output
VPD D-O: Voltage Signal Output of Power Supply & Amplitude = 5.1/73.1 VP DD
EMF-B: Phase B Back-EMF Output & Amplitude = 5.1/73.1 EMF
IOUTA: Phase A Current Signal Output
IOUTB: Phase B Current Signal Output
IOUTC: Phase C Current Signal Output
PWRGD: DRV8301 DC-DC Operating Indication Signal
nFAULT: DRV8301 Abnormal Indicator Signal
SDI: SDI
SCLK: SCLK
EN-GATE: DRV8301 Drive Enable, High-level Enable
INL-A: Phase A Low-side MOS Switch Signal
INL-B: Phase B Low-side MOS Switch Signal
INL-C: Phase C Low-side MOS Switch Signal
SO-1: DRV8301 Internal Amplifier 1 Output
EMF-A: Phase A Back-EMF Output & Amplitude = 5.1/73.1 EMF
EMF-C: Phase B Back-EMF Output & Amplitude = 5.1/73.1 EMF
EX-REF: Current differential amplifier reference level selects the internal or external reference level via R27, R28. The internal reference level is 3.3V, which means that the phase current is 0 when the phase current signal output is 1.65V. Setting example: When you want to set the current level signal with 2.5V as 0, it is needed to connect this pin to a 5V level, with R28 missing solder and R27 soldered to 0R resistor.
REF+1.65V: Reference level output of external differential current amplifier. When using the on-board 3.3V reference level, this pin outputs a 1/2 reference level amplitude, which is 1.65V.
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