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ON LB11988V 1.3A Monolithic Digital Motor Driver For Driving The DC Fan Motors

As a world-renowned distributor of electronic components, Shenzhen Mingjiada Electronics Co., Ltd. has been supplying ON LB11988V 1.3A monolithic digital motor driver for a long time, which has become a preferred solution for DC fan motor drive due to its high integration and reliability.

LB11988V Product Overview

The LB11988V is a driver IC designed for brushless DC motors (BLDC). It is packaged in a 24-SSOP-J package, supports a wide voltage input from 7V to 22V, and has a maximum output current of 1.3A, making it suitable for driving all types of fan motors.1 Its core features include:

Integrated design: The LB11988V integrates a number of functions such as three-phase full-wave current linear driver, current limiting circuit, and thermal shutdown protection to simplify peripheral circuit design.

Protection mechanism: LB11988V has built-in over-voltage, over-current, over-heat protection and reverse rotation protection circuits to ensure stable operation in harsh environments.

Efficient control: LB11988V supports parallel interface and half-bridge output configuration, and achieves accurate motor speed control through linear drive technology.

Specification Of LB11988V

Motor Type - AC, DC：Brushless DC (BLDC)

Function：Driver - Fully Integrated, Control and Power Stage

Output Configuration：Half Bridge

Interface：Parallel

Technology：Bipolar

Applications：Fan Motor Driver

Current - Output：1.3A

Voltage - Supply：7V ~ 22V

Voltage - Load：5V ~ 22V

Operating Temperature：-30°C ~ 75°C (TA)

Mounting Type：Surface Mount

Analysis of LB11988V technical advantages

Wide voltage adaptability and high compatibility

The LB11988V's load voltage range covers 5V to 22V, making it compatible with a wide range of DC power systems, especially suitable for cooling fan applications that require dynamic voltage regulation.

Low Power Consumption and High Efficiency

The LB11988V adopts bipolar parallel technology, which combined with the optimised power stage design, significantly reduces power consumption and improves overall system efficiency.

Environmental Adaptability

With an operating temperature range of -30°C to 75°C, the LB11988V is suitable for industrial equipment, automotive electronics and other high or low temperature scenarios.

Typical Application Scenarios of LB11988V

Cooling system: LB11988V is used to drive cooling fans for servers, PCs and other equipment, supporting PWM speed regulation to balance noise and cooling efficiency.

Home appliance field: such as air conditioning fans, air purifiers, etc., through the FG amplifier function to achieve speed feedback control.

Automotive electronics: LB11988V is suitable for car air-conditioning fans or electronic water pumps to meet automotive-grade stability requirements.

Advantages of Mingjiada Electronics's supply service

Inventory guarantee: LB11988V has sufficient inventory and stable delivery period to ensure customers' rapid delivery needs.

Quality Certification: All devices are from original manufacturers or authorised agents, provide complete qualification certificates, and pass ISO9001/14001 system certification.

Global Logistics Network: Relying on warehouses in Shenzhen and Hong Kong, we support a variety of logistics methods to cover global customer needs.