Overview
The L6203 is a full bridge driver for motor control applications, developed by STMicroelectronics using Multipower-BCD technology. This technology integrates isolated DMOS power transistors with CMOS and Bipolar circuits on the same chip, optimizing both the logic circuitry and the power stage for high performance. The device is designed to operate at supply voltages up to 48V and can efficiently handle high switching speeds. It features TTL, CMOS, and microcontroller-compatible logic inputs and includes a common enable control for both channels. The L6203 is available in several package types, including the Multiwatt11 package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 12 - 48 | V |
| Output Current (RMS) | 4A | A |
| Peak Current | 5A | A |
| On-state Resistance (RDS ON) | 0.3 Ω | Ω |
| Operating Frequency | Up to 100 KHz | KHz |
| Operating Temperature | -40°C to 150°C | °C |
| Number of Channels | 2 | - |
| Package Type | Multiwatt11 | - |
| Number of Pins | 11 | - |
Key Features
- High Efficiency
- Internal Logic Supply
- Operating Frequency up to 100 KHz
- TTL Compatible Drive
- Cross Conduction Protection
- Thermal Shutdown
- High Peak Current Capability (up to 5A)
Applications
The L6203 is suitable for various motor control and power management applications, including:
- Brushed DC Motor Control
- Two Phase Stepper Motor Control
- General Power Management in Industrial and Automotive Systems
Q & A
- What is the maximum supply voltage for the L6203?
The maximum supply voltage for the L6203 is 48V.
- What is the maximum RMS current rating of the L6203?
The maximum RMS current rating of the L6203 is 4A.
- What is the operating temperature range of the L6203?
The operating temperature range of the L6203 is -40°C to 150°C.
- Does the L6203 have cross conduction protection?
Yes, the L6203 includes cross conduction protection.
- What is the typical on-state resistance (RDS ON) of the L6203?
The typical on-state resistance (RDS ON) of the L6203 is 0.3 Ω.
- Is the L6203 compatible with TTL, CMOS, and microcontrollers?
Yes, the L6203 is compatible with TTL, CMOS, and microcontrollers.
- What is the maximum peak current the L6203 can handle?
The L6203 can handle a maximum peak current of 5A.
- Does the L6203 have thermal shutdown protection?
Yes, the L6203 includes thermal shutdown protection.
- In what package types is the L6203 available?
The L6203 is available in the Multiwatt11 package among others.
- What is the maximum operating frequency of the L6203?
The maximum operating frequency of the L6203 is up to 100 KHz.
