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ZH6338

ZH6338

Integrated Three-Phase Sinusoidal Sensorless Driver Chip

High-Current, Highly Integrated 40V~1.75A Three-Phase FOC Driver Chip

The ZH6338 is a high-current, highly integrated three-phase FOC driver chip operating at 6V to 40V. It integrates FOC control algorithms, driver circuitry, detection signal processing, and three power half-bridges. System speed is controlled via the SPD pin, direction via the DIR pin, and feedback speed via the FG pin. Comprehensive protection features include current limiting, over-temperature, over-voltage, under-voltage, short-circuit, open-circuit, and stall protection.Its simplified external circuitry makes it ideal for integrated control and drive of permanent magnet synchronous motors in applications such as fans and water pumps.

data table ZH6338 Datasheet
Characteristics and advantages Ordering Information Product Application Documents and Resources

Characteristics and advantages

Operating Voltage: 6V to 40V

Operating Ambient Temperature: -40°C to 125°C

Continuous Phase Current: 1.75A (sinusoidal amplitude)

Internal Power Transistor On-Resistance: 150mΩ

Integrated Sensing-Free FOC Algorithm

Simple Configuration, High Versatility

Overvoltage, undervoltage, open-short circuit, and stall protection

DIR pin controls direction

SPD pin supports analog speed control and PWM speed control

Communication, register configuration, and fault diagnosis via SPD pin

Ordering Information

Ordering Information Package
ZH6338 ETSSOP16

Product Application

Documents and Resources

Semiment Product Selection Guide

Selection Guide English version
2025-10-22

ZH6338 Datasheet

Datesheet download
2025年 10月 24日

Application Note for ZH6338

Application Note

video

The ZH6338 is a high-current, highly integrated three-phase FOC driver chip operating at 6V to 40V. It integrates FOC control algorithms, driver circuitry, detection signal processing, and three power half-bridges. System speed is controlled via the SPD pin, direction via the DIR pin, and feedback speed via the FG pin. Comprehensive protection features include current limiting, over-temperature, over-voltage, under-voltage, short-circuit, open-circuit, and stall protection.Its simplified external circuitry makes it ideal for integrated control and drive of permanent magnet synchronous motors in applications such as fans and water pumps.
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