What is the Additional Feature ?

Name: L6203
Brand: STMicroelectronics
SKU: L6203
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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STMicroelectronics L6203

型号:: L6203

制造商:: STMicroelectronics

封装:: Multiwatt-11 (Vertical, Bent and Staggered Leads)

数据表:: L6203.pdf

描述:: IC MOTOR DRIVER PAR 11MULTIWATT

库存:: 3108

数量:: 添加到购物车

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L6203 规格

Packaging:
Tube
Series:
-
ProductStatus:
Active
OutputConfiguration:
Half Bridge (2)
Applications:
DC Motors, General Purpose
Interface:
Logic
LoadType:
Inductive
Technology:
BCDMOS
RdsOn(Typ):
300mOhm
Current-Output/Channel:
4A
Current-PeakOutput:
-
Voltage-Supply:
12V ~ 48V
Voltage-Load:
12V ~ 48V
OperatingTemperature:
-40°C ~ 150°C (TJ)
Features:
Bootstrap Circuit
FaultProtection:
Over Temperature
MountingType:
Through Hole

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L6203 信息

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L6203 Typical application Circuitry Schematics

Microelectronics' L6203 is a full bridge driver intended for motor control applications. Two H-bridges are included, which are great for driving inductive loads like DC and stepping motors. Below is a guide for integrating the L6203 into your circuit:

1. Power Supply: Connect a suitable power supply to the V_S pin. The supply should be within the range specified in the data sheet, typically up to 48V.

2. Ground: Join each ground (GND) pin to the circuit's common ground.

3. Motor Connections: Join the OUT 1 and OUT 2 pins of the DC motor. The motor's direction can be controlled by modulating these outputs.

4. Control Inputs: Connect your control signals to the INPUT 1 and INPUT 2 pins. The state of these pins determines the direction of motor rotation.

5. Enable Pin: Connect the ENABLE pin to logic high (V_S) to enable the motor driver. When this pin is set to logic low, the outputs are disabled, and the motor is in a freewheeling state.

6. Bootstrap Capacitors: The L6203 requires external bootstrap capacitors (C_BOOT1 and C_BOOT2) for correct operation. Connect these capacitors between the BOOT1 (BOOT2) and OUT1 (OUT2) pins respectively. The value of these capacitors is determined by the motor current and voltage, and can be calculated using formulas in the data sheet.

7. Logic Supply Voltage (V_SS): This is the supply voltage for the logic side of the device. Connect this pin to a suitable logic supply voltage, typically 5V.

8. Thermal Considerations: The L6203 has a built-in thermal shutdown feature. However, it's important to guarantee that your PCB design enables efficient heat dissipation. The package's heat-sink tab should be connected to ground and have adequate heat-sinking.

9. Decoupling Capacitors: It's advisable to connect a decoupling capacitor close to the V_S pin to filter out any voltage spikes and provide a smooth supply voltage.

10. Integral protection diodes are a feature of the L6203. Therefore, you don't need external diodes unless you have a specific requirement for additional protection.

Refer to the L6203's data sheet for complete details and application notes. Considerations such as layout, peak current, and thermal management can have significant effects on your motor control design.