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LB1639 PDF Pinout – Motor Driver – LB1639-CV – 8 Pin

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This is a specific integrated circuit (IC) model manufactured by Sanyo (now part of ON Semiconductor). It is a motor driver IC designed for controlling DC motors.

Part Number: LB1639

Function: Motor Driver

Package: DIP 8 Pin Type

Manufacturer: Sanyo

Images:

LB1639 motor driver

 

Description

This is 8 Pin Type, Motor Driver. The LB1639 is low-saturation bidirectional motor driver ICs for use in low-voltage applications.

1. This is capable of driving and controlling DC motors, typically in applications such as robotics, consumer electronics, and automotive systems.

2. The IC features a dual H-bridge configuration, allowing it to control the direction and speed of two DC motors independently. Each H-bridge consists of four power MOSFETs that can drive the motor in forward, reverse, or brake modes.

3. The LB1639 incorporates various protection functions to enhance the reliability and safety of the motor and the IC itself. These protection features include overcurrent protection, thermal shutdown, and undervoltage lockout.

4. The IC supports Pulse Width Modulation (PWM) speed control, enabling precise speed regulation of the DC motors. By adjusting the duty cycle of the PWM signal, the motor speed can be varied.

 

Pinouts:

LB1639 pdf pinout datasheet

Features:

1. Low voltage operation

2. Low saturation voltage (upper transistor + lower transistor residual voltage

3. Low current drain at standby mode

4. Separate logic power supply and motor power supply

5. Brake function

6. Built-in spark killer diodes

LB1639 PDF Datasheet


 

LB1638 PDF Datasheet

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CL1502 PDF Datasheet – Non-isolated Buck LED Driver

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This post explains for the LED Driver.

The Part Number is CL1502.

The function of this semiconductor is Non-isolated Buck LED Driver.

The package is SOP 8 Pin Type

Manufacturer: ChipLink

Preview images :

1 page
CL1502 pdf

Description

The CL1502 is a step-down constant current driver chip with excellent performance, which can realize high-precision LED constant current drive. The chip works in the inductor current critical continuous mode (TM), and the operating voltage covers 85Vac~265Vac. The chip integrates 500V power devices, and peripheral applications can achieve high-precision constant current without auxiliary winding detection and power supply, which greatly reduces external costs.

An LED constant current driver IC is a specialized integrated circuit designed to regulate the current supplied to one or more Light Emitting Diodes (LEDs) in a circuit. LEDs are semiconductor devices that emit light when current flows through them, and they require a constant current to operate efficiently and maintain consistent brightness. LED driver ICs ensure that the LED receives a stable and controlled current, regardless of variations in input voltage or temperature.

Pinouts
CL1502 pinout datasheet

Features

1. Wide input voltage

2. ±5% LED output current accuracy

3. Internal integrated 500V power tube

4. Chip ultra-low working current

5. Inductor current critical continuous mode (TM)

6. No auxiliary winding

7. Excellent line voltage regulation and load regulation

8. LED open/short circuit protection

9. Current sampling resistor short circuit protection

10. Under Voltage Lockout (UVLO)

11. Over temperature adjustment function

CL1502 PDF Datasheet