Application diagram
1
Application diagram
TSC1021
The TSC1021 high-side current-sense amplifier features a 2.8 to 30 V input common-mode
range that is independent of the supply voltage. The main advantage of this feature is that it
allows high-side current sensing at voltages much greater than the supply voltage (VCC).
Figure 1. Application schematic: high-line current sensing
Vsense
Rsense
Iload
Common-mode range
Vp
Vm
Rg1
Rg2
Supply voltage
Vcc
Rg3
Gnd
Out
Vout = Av.Vsense
AM06135
2/12
Doc ID 17857 Rev 1