Features

• Single-Phase Full Wave BLDC Fan/Motor Drive with BTL Output

(BTL Amplifier Gain = 49dB)

• Low Noise Architecture

• Wide Operating Voltage Range: 2.4V to 18V

• PWM Speed Control with External PWM Input

• DC Voltage Speed Control by Adjusting VCONT and RMI

Voltage

• Hall Bias Output: VHB = 1.25V

• Built-In Quick Start Circuit

• Lock Protection with Automatic Restart

• Frequency Generator (FG) Output

• Rotor Lock Detection (RD) Output

• Current Limit Circuit

• RF Defines The Current Limit; RF = 1Ω will Achieve 250mA

Current Limit

• Thermal Shut-Down (TSD) Circuit

• Low Profile Package: TSSOP-16EP (Type DX) with Exposed

Pads for Power Handling Capability

• Lead-Free Finish; RoHS Compliant (Notes 1 & 2)

• Halogen and Antimony Free. “Green” Device (Note 3)

Applications

• 9V/12V/15V BLDC Cooling Fans and Motors

• CPU Cooling Fans for Notebooks and Desktop BLDC Fans

• Instruments Cooling Fans

• Medium Voltage, Low Power BLDC Motors