STEVAL-ISF002V1 STMicroelectronics, STEVAL-ISF002V1 Datasheet - Page 20

• Manufacturer Part Number: STEVAL-ISF002V1
• Description: BOARD EVALUATION
• Manufacturer: STMicroelectronics

Specifications of STEVAL-ISF002V1

• Main Purpose: *
• Embedded: *
• Utilized Ic / Part: *
• Primary Attributes: *
• Secondary Attributes: *
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10422

STEVAL-ISF002V1 hardware description
3.5.2
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Signal conditioning for input voltage
Figure 14. STEVAL-ISF002V1 - input voltage sensing section
Figure 15. STEVAL-IHM022V1 - input voltage sensing section
The conversion ratio is given by
Equation 33
The input voltage scaled by this conversion ratio will be read by the MCU’s ADC.
R6
+
R7
R10
+
R8
+
Doc ID 16854 Rev 1
R10
Equation 33
=
(
220
+
220
.
4
7 .
+
100
⋅
10
3
+
4
7 .
)
⋅
10
3
=
. 0
008629
UM0877