ZHCSG01C February 2017 – August 2018 DRV8320 , DRV8320R , DRV8323 , DRV8323R
PRODUCTION DATA.
Table 1 lists the recommended values of the external components for the gate driver and the buck regulator.
| 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 | |