SC225KSIT datasheet(4/13 Pages) SECELECTRONICS

4 / 13 page

SC225KSIT

120 kHz Bandwidth, High Voltage Isolation

Current Sensor with Integrated Overcurrent Detection

4/13

Functional Block Diagram

Terminal List Table, Latching Version

Number

Name

Description

1 through 4

IP+

Sensed current copper conduction path pins. Terminals

for current being sensed; fused internally, loop to IP–

pins; unidirectional or bidirectional current flow.

5 through 8

IP–

Sensed current copper conduction path pins. Terminals

for current being sensed; fused internally, loop to IP+

pins; unidirectional or bidirectional current flow.

GND

Device ground connection.

VZCR

Voltage Reference Output pin. Zero current (0 A)

reference; output voltage on this pin scales with VCC .

(Not a highly accurate reference.)

FILTER

Filter pin. Terminal for an external capacitor connected

from this pin to GND to set the device bandwidth.

VIOUT

Analog Output pin. Output voltage on this pin is

proportional to current flowing through the loop

between the IP+ pins and IP– pins.

FAULT

Overcurrent Fault pin. When current flowing

between IP+ pins and IP– pins exceeds the

overcurrent fault threshold, this pin transitions to a

logic low state.

VCC

Supply voltage.

VOC

Overcurrent Input pin. Analog input voltage on this

pin sets the overcurrent fault threshold.

FAULT_EN

Enables overcurrent faulting when high. Resets

FAULT when low.

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