High Performance – High Reliability 50V DC Brush Motor Driver
This is a powerful yet small size low profile brushed DC motor drive system with a few key features like adjustable constant current control, direction control, brake controls, Alert output, PWM for speed control etc. BD63130AFM chip is the heart of the project which is an H-bridge motor driver for the DC brush motor. This driver can facilitate low power consumption by direct PWM or PWM constant current control. There are various built-in protection circuits in this IC. It is possible to output an abnormal detection signal for Wired-OR that notifies each protection circuit operation, and this contributes to set high reliability.
Constant Current Mode or Direct PWM Mode Selection
- Constant Current Mode: By default, this project works in constant current mode. Constant current can be set using Trimmer Potentiometer PR1. Use Input1 and Input2 of CN2 to control the Motor Forward, Reverse, and Brake, Refer to Table 1 for input logic.
- PWM Mode: Replace the resistor R1 with 0 Ohms. Adjust the PR1 trimmer potentiometer to 1 to 2V. Use Input 1 and Input 2 as external PWM/Logic Input, Maximum Allowable PWM frequency 100Khz. Refer to table 4 for input signals.
Features
- Single Power Supply Input Range 8 to 46V DC (rated voltage of 50V)
- Rated Output Current (peak): 3.0A(4.0A)
- Low ON-Resistance DMOS Output
- Forward, Reverse, Brake, Open Function
- Power Save Function
- External PWM Control – PWM Control Mode
- PWM Constant Current Control Adjustable (current limit function)
- Built-in Spike Noise Cancel Function (external noise filter is unnecessary)
- Built-in Logic Input Pull-down Resistor
- Cross-conduction Prevention Circuit
- Output Detection Signal during Abnormal states (Wired-OR)
- Thermal Shutdown Circuit (TSD)
- Over-current Protection Circuit (OCP)
- Under Voltage Lockout Circuit (UVLO)
- Over Voltage Lockout Circuit (OVLO)
- Ghost Supply Prevention (protects against malfunction when the power supply is disconnected)
- PCB dimensions: 37.47 x 36.83 mm
Inputs and Outputs CN2
- Pin1: VDD 5V DC @ 10-20mA- Input
- Pin2: Input 1 PWM Input or Logic H/L input Constant for Current Mode
- Pin3: Input 1 PWM Input or Logic H/L input Constant for Current Mode
- Pin4: GND
- Pin5: Fault
- Pin5: PS
- Pin7: VDD 5V DC @ 10-20mA – Input
CN3 Motor Supply Input
- Pin1: +DC 8 to 46V Motor Supply
- Pin2: +DC 8 to 46V Motor Supply
- Pin3: GND
- Pin4: GND
CN4 DC Bushed Motor
- Pin1: Motor 1 (Output1)
- Pin2: Motor 1 (Output1)
- Pin3: Motor 2 (Output2)
- Pin4: Motor 2 (Output2)
Trimmer Potentiometer PR1
- Constant Current Adjust
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This is a powerful yet small size low profile brushed DC motor drive system with a few key features like adjustable constant current control, direction control, brake controls, Alert output, PWM for speed control etc. BD63130AFM chip is the heart of the project which is an H-bridge motor driver for the DC brush motor. This driver can facilitate low power consumption by direct PWM or PWM constant current control. There are various built-in protection circuits in this IC. It is possible to output an abnormal detection signal for Wired-OR that notifies each protection circuit operation, and this contributes to set high reliability.
Constant Current Mode or Direct PWM Mode Selection
- Constant Current Mode: By default, this project works in constant current mode. Constant current can be set using Trimmer Potentiometer PR1. Use Input1 and Input2 of CN2 to control the Motor Forward, Reverse, and Brake, Refer to Table 1 for input logic.
- PWM Mode: Replace the resistor R1 with 0 Ohms. Adjust the PR1 trimmer potentiometer to 1 to 2V. Use Input 1 and Input 2 as external PWM/Logic Input, Maximum Allowable PWM frequency 100Khz. Refer to table 4 for input signals.
Features
- Single Power Supply Input Range 8 to 46V DC (rated voltage of 50V)
- Rated Output Current (peak): 3.0A(4.0A)
- Low ON-Resistance DMOS Output
- Forward, Reverse, Brake, Open Function
- Power Save Function
- External PWM Control – PWM Control Mode
- PWM Constant Current Control Adjustable (current limit function)
- Built-in Spike Noise Cancel Function (external noise filter is unnecessary)
- Built-in Logic Input Pull-down Resistor
- Cross-conduction Prevention Circuit
- Output Detection Signal during Abnormal states (Wired-OR)
- Thermal Shutdown Circuit (TSD)
- Over-current Protection Circuit (OCP)
- Under Voltage Lockout Circuit (UVLO)
- Over Voltage Lockout Circuit (OVLO)
- Ghost Supply Prevention (protects against malfunction when the power supply is disconnected)
- PCB dimensions: 37.47 x 36.83 mm
Inputs and Outputs CN2
- Pin1: VDD 5V DC @ 10-20mA- Input
- Pin2: Input 1 PWM Input or Logic H/L input Constant for Current Mode
- Pin3: Input 1 PWM Input or Logic H/L input Constant for Current Mode
- Pin4: GND
- Pin5: Fault
- Pin5: PS
- Pin7: VDD 5V DC @ 10-20mA – Input
CN3 Motor Supply Input
- Pin1: +DC 8 to 46V Motor Supply
- Pin2: +DC 8 to 46V Motor Supply
- Pin3: GND
- Pin4: GND
CN4 DC Bushed Motor
- Pin1: Motor 1 (Output1)
- Pin2: Motor 1 (Output1)
- Pin3: Motor 2 (Output2)
- Pin4: Motor 2 (Output2)
Trimmer Potentiometer PR1
- Constant Current Adjust
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