JAJSD42B February 2017 – December 2017 DRV8320 , DRV8320R , DRV8323 , DRV8323R
PRODUCTION DATA.
Table 1 には、ゲート・ドライバと降圧レギュレータ用の外部部品の推奨値が記載されています。
COMPONENTS | PIN 1 | PIN 2 | RECOMMENDED |
---|---|---|---|
GATE DRIVER AND SENSE AMPLIFIER | |||
CVM1 | VM | PGND | X5R or X7R, 0.1-µF, VM-rated capacitor |
CVM2 | VM | PGND | ≥ 10 µF, VM-rated capacitor |
CVCP | VCP | VM | X5R or X7R, 16-V, 1-µF capacitor |
CSW | CPH | CPL | X5R or X7R, 47-nF, VM-rated capacitor |
CDVDD | DVDD | AGND | X5R or X7R, 1-µF, 6.3-V capacitor |
RnFAULT | VCC(1) | nFAULT | Pullup resistor |
RSDO | VCC(1) | SDO | Pullup resistor |
RIDRIVE | IDRIVE | AGND or DVDD | DRV832x hardware interface |
RVDS | VDS | AGND or DVDD | DRV832x hardware interface |
RMODE | MODE | AGND or DVDD | DRV832x hardware interface |
RGAIN | GAIN | AGND or DVDD | DRV832x hardware interface |
CVREF | VREF | AGND or DGND | X5R or X7R, 0.1-μF, VREF-rated capacitor |
RASENSE | SPA | SNA and PGND | Sense shunt resistor |
RBSENSE | SPB | SNB and PGND | Sense shunt resistor |
RCSENSE | SPC | SNC and PGND | Sense shunt resistor |
BUCK REGULATOR | |||
CVIN | VIN | BGND | X5R or X7R, 1 to 10 µF, VM-rated capacitor |
CBOOT | SW | CB | X5R or X7R, 0.1-µF, 16-V capacitor |
DSW | SW | BGND | Schottky diode |
LSW | SW | OUT(2) | Output inductor |
COUT | OUT(2) | BGND | X5R or X7R, OUT rated capacitor |
RFB1 | OUT(2) | FB | Resistor divider to set buck output voltage |
RFB2 | FB | BGND |