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ZXBM1004 (NRND)

NRND = Not Recommended for New Design

Single Phase BLDC Fan and Motor Pre-Driver

Datasheet

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Description

The ZXBM1004 is a single-phase, DC brushless motor pre-driver with PWM variable speed control suitable for fan and blower motors. The controller is intended for applications where the fan or blower speed is control°C by an external PWM signal, thermistor or DC voltage.

Feature(s)

Compliant with external PWM speed control

Compliant with thermistor control

Minimum speed setting

Low noise

Auto restart

Built in hall amplifier

Speed pulse (FG) and lock rotor (RD) outputs

Up to 18V input voltage (60V with external regulator)

QSOP16 package

Application(s)

Mainframe and personal computer fans and blowers

Instrumentation fans

Central heating blowers

Automotive climate control

Specifications & Technical Documents

Product Parameters

Adjustable Current Limit	-
Frequency Generator (FG) and Rotation Detect	FG and RD
Hall Bias Voltage (V)	-
High Side Switch Drive Sink Current (mA)	100
Lock Detect, Shut-Down and Auto Start	Yes
Low Side Switch Drive Source Current (mA)	80
Minimum Speed Setting	-
Operating Ambient Temperature (°C)	-40 to 110
Operating Voltage (V)	4.7 to 18
Reference Voltage Output (V)	3
Speed Control	VSPD or PWM
SupplyCurrent (mA)	6
Tail End Current Control	-

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Purchase & Availability

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN #	Issue Date	Implementation Date	Subject
PCN-2770	2025-10-30	2025-10-30	Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products