TI中文支持网Part Number:BQ25700A
输入12V后，LODRV1/HIDRV1和LODRV2/HIDRV2无电压 ，VDDA为6V, VBAT为6V，VSYS为6V，请问为啥LODRV1/HIDRV1和LODRV2/HIDRV2无电压
Star Xu：
您好，请参考schematic checklish确认电路和layout
Please see attached document.0552.BQ2570X_BQ2571X_BQ2572X_BQ2573X_SchematicChecklist.pdfFor layout guidance, please see the following FAQ.https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1032723/faq-how-do-i-ensure-the-charger-layout-is-satisfactory-is-there-a-guideline-for-the-buck-boost-charger-controllers-like-bq25713-bq25720-and-bq25730-etc
![[FAQ] BQ25700A、BQ25703A、BQ25708、BQ25710、BQ25713、BQ25713B、BQ25720、BQ25723、BQ25730、BQ25731：我应该为我的充电应用选择哪种降压/升压充电控制器？-TI中文支持网](https://www.ti2k.com/wp-content/uploads/ti2k/DeyiSupport_电源管理_17550.jpg)