SBOSA72 July 2021 TMCS1108-Q1
PRODUCTION DATA
Refer to the PDF data sheet for device specific package drawings
The device has an internal resistor divider from the analog supply VS that determines the zero-current output voltage, VOUT,0A. This zero-current output level, along with sensitivity, determines the measurable input current range of the device and allows for unidirectional or bidirectional sensing as described in Absolute Maximum Ratings. The TMCS1108AxB-Q1 variants have a zero-current output set by Equation 16, while the TMCS1108AxU-Q1 devices have a zero-current output voltage set by Equation 17.
These respective reference voltages enable a bidirectional measurable current range for the TMCS1108A2B-Q1 devices and a unidirectional measurement range for the TMCS1108A2U-Q1 devices, as shown in Figure 9-9.