L6388E

Product Overview

Category: Integrated Circuits (ICs)

Use: The L6388E is a high-voltage, high and low-side driver IC specifically designed for driving MOSFETs and IGBTs in motor control applications.

Characteristics: - High voltage capability (up to 600V) - Low quiescent current - Built-in protection features (overcurrent, undervoltage lockout, thermal shutdown) - Wide operating temperature range (-40°C to 150°C) - Compact package size (SO-16)

Package: The L6388E is available in a small outline 16-pin package (SO-16), which provides excellent thermal performance and ease of integration into motor control systems.

Essence: The essence of the L6388E lies in its ability to efficiently drive high-power MOSFETs and IGBTs, enabling precise control of motors in various applications.

Packaging/Quantity: The L6388E is typically sold in reels or tubes containing a quantity of 250 units per package.

Specifications

• Supply Voltage Range: 10V to 20V
• Output Current: ±0.6A
• Operating Frequency: Up to 100kHz
• Rise/Fall Time: 35ns/25ns
• Propagation Delay: 75ns
• Maximum Junction Temperature: 150°C

Pin Configuration

The L6388E features a 16-pin configuration with the following pin assignments:

1. VCC
2. GND
3. BOOT
4. HO1
5. LO1
6. VS
7. HO2
8. LO2
9. VREF
10. SD
11. CS
12. VCP
13. NC
14. VDD
15. HO3
16. LO3

Functional Features

• High and low-side driver functionality
• Integrated bootstrap diode for high-side gate drive
• Adaptive dead-time control
• Adjustable undervoltage lockout (UVLO)
• Overcurrent protection with adjustable threshold
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High voltage capability allows for driving of MOSFETs and IGBTs in various motor control applications. - Compact package size enables easy integration into motor control systems. - Built-in protection features enhance system reliability and safety. - Wide operating temperature range ensures reliable operation in harsh environments.

Disadvantages: - Limited output current may not be suitable for high-power motor control applications. - Requires external components for proper operation, such as bootstrap capacitors and resistors.

Working Principles

The L6388E operates by receiving control signals from a microcontroller or motor control circuitry. It provides the necessary gate drive voltages to the high-side and low-side MOSFETs or IGBTs, enabling them to switch on and off according to the desired motor control algorithm. The adaptive dead-time control feature ensures minimal overlap between high-side and low-side switching, preventing shoot-through currents. The integrated protection features safeguard the driver and power devices from overcurrent, undervoltage, and thermal issues.

Application Field Plans

The L6388E is widely used in various motor control applications, including: - Electric vehicles - Industrial automation - Robotics - HVAC systems - Appliances - Power tools

Alternative Models

For those seeking alternative options, the following ICs can be considered: - L6384E - IRS21844S - TC4427A

These alternatives offer similar functionalities and are compatible with motor control applications.

In conclusion, the L6388E is a versatile high-voltage driver IC designed for motor control applications. Its compact size, built-in protection features, and wide operating temperature range make it suitable for a range of industries. However, its limited output current may restrict its use in high-power applications.