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ZXBM1017 (Obsolete)

Single Phase BLDC Fan and Motor Pre-Driver with Adjustable Current Limit

Datasheet

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Description

The ZXBM1017 is a Single-Phase, DC brushless motor pre-driver with PWM variable speed control and current limit features suitable for fans, blowers and pump motors. Where the system dictates, this device can be control°C via an external voltage, PWM signal or thermistor.

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
Current Limiting
Variable commutation delay
Up to 18V input voltage (60V with external regulator)
Small TSSOP20 package
Lead free product

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	Yes
Frequency Generator (FG) and Rotation Detect	FG and RD
Hall Bias Voltage (V)	1.75
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	Yes
Operating Ambient Temperature (°C)	-
Operating Voltage (V)	4.7 to 18
Reference Voltage Output (V)	5
Speed Control	VSPD or PWM
SupplyCurrent (mA)	11
Tail End Current Control	-

Technical Documents

Recommended Soldering Techniques

TN1.pdf