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ZXBM2003 (NRND)

NRND = Not Recommended for New Design

Two Phase BLDC Fan and Motor Driver with Complementary Open Darlington Emitter Output

Datasheet

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Description

The ZXBM200x is a series of 2-phase, DC brushless motor pre-drivers with PWM variable speed control suitable for fan and blower motors.

Feature(s)

Built in lock detect protection, rotational speed sensing and automatic recovery

Built in Hall amplifier allows direct connection to Hall element

PWM Speed control via - External voltage - Thermistor input - External PWM source

Speed (FG) pulse output – ZXBM2003

Rotor lock output – ZXBM2002

Combined Rotor Lock (RD) and Speed (FG) signal – ZXBM2001

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

MSOP10 package

Application(s)

Mainframe and Personal Computer Fans and Blowers

Instrumentation Fans

Central Heating Blowers

Automotive climate control

Specifications & Technical Documents

Product Parameters

Frequency Generator (FG) and Rotation Detect	-
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 85
Operating Voltage (V)	4.5 to 18
Reference Voltage Output (V)	-
Speed Control	-
SupplyCurrent (mA)	2.2

Technical Documents

Recommended Soldering Techniques

TN1.pdf

RoHS CofC

RoHSFile

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
PCN-2594	2022-08-31	2023-02-28	Device End of Life (EOL)