LB11685AV-W-AH Integrated Circuits (ICs)

Technology:	Bipolar
Supplier Device Package:	24-SSOP
Package / Case:	24-LSOP (0.220", 5.60mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Voltage - Load:	4.5 V ~ 18 V
Voltage - Supply:	4.5 V ~ 18 V
Current - Output:	1.2A
Applications:	General Purpose
Step Resolution:	--
Series:	--
Interface:	Parallel
Output Configuration:	Half Bridge (3)
Function:	Driver - Fully Integrated, Control and Power Stage
Motor Type - AC, DC:	Brushless DC (BLDC)
Motor Type - Stepper:	--
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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<p>The LB11685AV-W-AH is a key component of the PMIC - Motor Drivers, Controllers category. This is a versatile power management integrated circuit (PMIC) designed to fulfill the requirements of a wide range of DC motor functions in a variety of applications. Its features include a built-in adjustable constant-current Linear Regulator, Rectifier Bridges with integrated protection, full-time input overvoltage protection, plus a built-in step-up converter.</p><p>The LB11685AV-W-AH’s application field includes DC motor drives, such as home appliances, white goods, and industrial equipment products. By delivering constant-current control output and onboard RS-232/RS-485 communication, this PMIC simplifies the development process. It is also suitable for two wire applications, such as motion control and fan control solutions.</p><p>The LB11685AV-W-AH integrates a full suite of features and high-end features to simplify the development process. In addition to the linear regulator, the built-in rectifier bridges and overvoltage protection functions are designed to provide electrical isolation and stabilization of the power supply output. This PMIC also features a built-in step-up converter which is capable of providing stable and steady power supply voltage to the motor.</p><p>In addition, the LB11685AV-W-AH is optimized for low power consumption and offers superior energy-saving performance compared to traditional solutions. The low standby current consumption of just 0.45mA makes the device ideal for use in battery-powered applications.</p><p>The working principle of the LB11685AV-W-AH is based on a dual-channel current control. The first channel is the input current sensing, where the PMIC senses the input current and converts it into a voltage corresponding to the load demand. The second channel is the output current control, where the PMIC adjusts the output voltage in order to maintain a constant current flow to the motor. As a result, the PMIC is able to maintain a constant current flow to the motor even in the presence of supply voltage changes.</p><p> The LB11685AV-W-AH can be used to drive a wide range of DC motors, including AC induction motors, DC brushless motors, DC brushed motors, stepper motors, and others. The PMIC comes with built-in adjustable current regulation, so it can be used to regulate the motor current from 0 to 15.8A, enabling users to customize the motor performance according to the specific system requirements.</p><p>Other key features of the LB11685AV-W-AH include its wide operating temperature range of -40℃ to +125℃, and its low-noise switching characteristics. The integrated EMI filter allows for high-efficiency conversion and low-noise operation. The IC further features an integrated watchdog timer, as well as an overvoltage lockout circuit, which helps protect the motor and the PMIC from overvoltage damages.</p><p>The LB11685AV-W-AH is a powerful motor driver IC that offers superior performance, low power consumption, and high reliability. Its unique combination of features makes it suitable for use in a variety of motor control applications.</p>

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