LB1923M-TLM-E

Product Overview

Category: Integrated Circuit (IC)

Use: The LB1923M-TLM-E is a specialized IC designed for motor control applications. It provides precise and efficient control over the speed and direction of motors.

Characteristics: - High-performance motor control - Compact size - Low power consumption - Wide operating voltage range - Built-in protection features

Package: The LB1923M-TLM-E is available in a small outline package (SOP) with 16 pins.

Essence: This IC is essential for controlling the operation of motors, ensuring smooth and reliable performance.

Packaging/Quantity: The LB1923M-TLM-E is typically sold in reels containing a quantity of 250 units.

Specifications

• Operating Voltage Range: 2.5V to 5.5V
• Maximum Output Current: 1.2A
• Control Interface: Serial Peripheral Interface (SPI)
• Operating Temperature Range: -40°C to +85°C
• Protection Features: Overcurrent protection, thermal shutdown, undervoltage lockout

Detailed Pin Configuration

The LB1923M-TLM-E has the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VREF | Reference voltage input | | 2 | IN1 | Motor input 1 | | 3 | IN2 | Motor input 2 | | 4 | GND | Ground | | 5 | VCC | Power supply voltage | | 6 | CS | Chip select | | 7 | SCK | Serial clock input | | 8 | SDI | Serial data input | | 9 | SDO | Serial data output | | 10 | PWM | Pulse width modulation input | | 11 | VREF2 | Reference voltage input 2 | | 12 | NC | No connection | | 13 | NC | No connection | | 14 | NC | No connection | | 15 | NC | No connection | | 16 | NC | No connection |

Functional Features

• Precise speed control: The LB1923M-TLM-E allows for accurate control of motor speed through its built-in pulse width modulation (PWM) input.
• Direction control: It enables easy reversal of motor rotation direction by controlling the inputs IN1 and IN2.
• Overcurrent protection: The IC incorporates overcurrent protection to prevent damage to the motor and the IC itself in case of excessive current flow.
• Thermal shutdown: In the event of excessive temperature, the thermal shutdown feature activates to protect the IC from overheating.
• Undervoltage lockout: The undervoltage lockout feature ensures that the IC operates within the specified voltage range, preventing malfunctions.

Advantages and Disadvantages

Advantages: - High-performance motor control capabilities - Compact size allows for integration into space-constrained applications - Low power consumption for energy-efficient operation - Wide operating voltage range provides flexibility in various power supply configurations - Built-in protection features enhance reliability and durability

Disadvantages: - Limited maximum output current may not be suitable for high-power motor applications - Requires external components for complete motor control system implementation

Working Principles

The LB1923M-TLM-E utilizes a combination of internal circuitry and external control signals to regulate the speed and direction of motors. By receiving control signals through the SPI interface, it adjusts the motor inputs (IN1 and IN2) accordingly, resulting in precise motor control.

Detailed Application Field Plans

The LB1923M-TLM-E is widely used in various applications that require motor control, including but not limited to: - Robotics - Industrial automation - Consumer electronics - Automotive systems - Medical equipment

Detailed and Complete Alternative Models

1. LB1945M-TLM-E: Similar to LB1923M-TLM-E, but with higher maximum output current (2A).
2. LB1930M-TLM-E: Similar to LB1923M-TLM-E, but with additional built-in protection features.
3. LB1910M-TLM-E: Similar to LB1923M-TLM-E, but optimized for low-power applications.

These alternative models offer different specifications and features to cater to specific motor control requirements.

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