---
title: tIOUSBBusVoltage
framework: USBDriverKit
role: symbol
role_heading: Enumeration
platforms: [driverkit 19.0+]
path: usbdriverkit/tiousbbusvoltage
---

# tIOUSBBusVoltage

A constant for the USB bus voltage.

## Declaration

```occ
enum tIOUSBBusVoltage : unsigned int;
```

## Topics

### Getting the Voltage Value

- [kIOUSBBusVoltageDefault](usbdriverkit/tiousbbusvoltage/kiousbbusvoltagedefault.md)

## See Also

### Electrical Characteristics

- [tIOUSB20BusCurrent](usbdriverkit/tiousb20buscurrent.md)
- [tIOUSB30BusCurrent](usbdriverkit/tiousb30buscurrent.md)