CQ3203

$6.06

Description：CORELESS CURENT SENSOR / 20A W/S
Series：-
Mfr：Asahi Kasei Microdevices/AKM
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:743cc0cfaf5d Category: Current Sensors Brand: Asahi Kasei Microdevices/AKM

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Product introduction

CQ3203 is listed in the Current Sensors range at ChipApex. The manufacturer field lists Asahi Kasei Microdevices/AKM. Its product description is CORELESS CURENT SENSOR / 20A W/S. Review the specifications below when checking this part for your BOM.

Current Sensors specifications for CQ3203

Description：CORELESS CURENT SENSOR / 20A W/S
Series：-
Mfr：Asahi Kasei Microdevices/AKM
Package：Tape & Reel (TR),Cut Tape (CT)
For Measuring：AC/DC
Sensor Type：Hall Effect, Open Loop
Current - Sensing：35.7A
Number of Channels：1
Output：Ratiometric, Voltage
Sensitivity：37mV/A
Frequency：-
Linearity：-
Accuracy：±1.3%
Voltage - Supply：3.3V
Response Time：0.5µs
Current - Supply (Max)：6.2mA
Operating Temperature：-40°C ~ 90°C
Grade：-
Qualification：-
Polarization：Bidirectional
Mounting Type：Surface Mount
Package / Case：24-LSSOP (0.220", 5.60mm Width), 10 Leads
Supplier Device Package：24-VSOP

Current Sensors datasheet and documents for CQ3203

CQ3203

Current Sensors Overview

The CQ3203 is a single-channel open-loop Hall effect current sensor manufactured by Asahi Kasei Microdevices. It provides a voltage output ratio with a sensitivity of 37mV/A and measures currents up to 35.7A. The device operates on a 3.3V supply, drawing a maximum supply current of 6.2mA. It features a response time of 0.5µs and maintains an accuracy of ±1.3%. Designed for AC/DC measurement, it functions within a temperature range of -40°C to 90°C. The component is housed in a 24-VSOP package.

Current Sensors Feature Summary

Utilizes open-loop Hall effect technology for non-contact current detection
Provides proportional voltage output for direct signal processing
Supports bidirectional current measurement capabilities

Current Sensors Applications

Industrial motor drive current monitoring
Power supply overcurrent protection circuits
Battery management system sensing

Current Sensors Procurement Notes

Verify the specific suffix code against official documentation to confirm pinout and electrical specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to integration. Check for obsolescence notices or manufacturer recommended replacements if availability is constrained.

Current Sensors Selection Notes

Select this component when a low supply current and compact surface mount form factor are required for high-speed current sensing applications. Ensure the input current range aligns with the 35.7A limit and that the 3.3V logic interface matches the host system architecture.

Current Sensors Part Context

This part belongs to the CQ series of current sensors from Asahi Kasei Microdevices, which utilizes proprietary thin-film Hall element technology. The series is designed for automotive and industrial applications requiring high reliability and precise current feedback in compact packages.