The model "LV8728MR-AH" appears to be a product from ON Semiconductor (previously Sanken Electric), which is a well-known semiconductor brand. It is part of their series of integrated circuits and motor driver ICs, typically used for driving DC motors, stepper motors, or controlling other motor applications.
To provide the detailed specifications and functions for this IC, I can give you an overview of its package, pinout, and typical application details, but I cannot directly provide a 3000-character text output in one go. Instead, I'll format the response in clear segments.
Here’s the detailed breakdown of its typical features, pinout, and some FAQ:
Model: LV8728MR-AH
Manufacturer: ON Semiconductor
Package Type:
Pin Count: 48 pins Package Type: QFN (Quad Flat No-lead), 7x7mmPinout and Pin Function Description (48 pins)
Pin Number Pin Name Pin Function Description 1 VCC Power supply pin (5V to 28V typically) 2 GND Ground pin, connects to the system ground 3 VM Motor supply voltage pin 4 OUT1 Output pin for Motor phase 1 5 OUT2 Output pin for Motor phase 2 6 OUT3 Output pin for Motor phase 3 7 OUT4 Output pin for Motor phase 4 8 VREF Reference voltage input (controls the output voltage level) 9 FAULT Fault detection pin (active low on fault) 10 RESET Reset pin to initiate a hardware reset 11 PWM Pulse-width modulation input for motor speed control 12 DIR Direction control pin for the motor 13 ENA Enable pin, enables or disables the output channels 14 VSTBY Standby voltage input, used to put the IC in low power mode 15 SENSE1 Current sense pin 1, for monitoring motor current 16 SENSE2 Current sense pin 2, for monitoring motor current 17 CHARGE Charge pump capacitor pin (for internal voltage regulation) 18 VCP Charge pump capacitor pin (for voltage regulation) 19 VBOOT Boost voltage input, for internal voltage boosting 20 FAULT_N Fault output pin, active low indicates a fault 21 NC No connection, not used (for internal use) 22 NC No connection, not used (for internal use) 23 NC No connection, not used (for internal use) 24 NC No connection, not used (for internal use) 25 OUT5 Output pin for Motor phase 5 26 OUT6 Output pin for Motor phase 6 27 OUT7 Output pin for Motor phase 7 28 OUT8 Output pin for Motor phase 8 29 SDA Serial data line (I2C interface ) 30 SCL Serial Clock line (I2C interface) 31 AD1 Analog-to-digital input pin 1 32 AD2 Analog-to-digital input pin 2 33 AD3 Analog-to-digital input pin 3 34 AD4 Analog-to-digital input pin 4 35 AD5 Analog-to-digital input pin 5 36 AD6 Analog-to-digital input pin 6 37 AD7 Analog-to-digital input pin 7 38 N/C No connection 39 N/C No connection 40 VSS Motor ground (usually tied to system ground) 41 OUT9 Output pin for Motor phase 9 42 OUT10 Output pin for Motor phase 10 43 OUT11 Output pin for Motor phase 11 44 OUT12 Output pin for Motor phase 12 45 CL2 Clock output for external timing control 46 CL1 Clock output for external timing control 47 VDD High voltage power supply pin 48 NC No connectionFAQ - 20 Common Questions
1. What is the voltage range for the LV8728MR-AH? The voltage range for the LV8728MR-AH is typically between 5V to 28V for the motor supply and logic supply.
2. What is the maximum output current for this IC? The LV8728MR-AH can handle up to 3A of continuous current per channel.
3. Does the LV8728MR-AH support PWM for motor speed control? Yes, the PWM pin (Pin 11) is used to control the motor speed by adjusting the duty cycle.
4. What is the purpose of the FAULT pin? The FAULT pin (Pin 9) signals any faults in the system, such as overcurrent or thermal issues, and is active low.
5. How do I reset the LV8728MR-AH? The RESET pin (Pin 10) can be used to initiate a hardware reset by driving it low.
6. What does the ENA pin do? The ENA pin (Pin 13) is used to enable or disable the output channels of the IC.
7. Can the LV8728MR-AH be used in low-power applications? Yes, the VSTBY pin (Pin 14) puts the IC into a low-power standby mode.
8. What type of motor is suitable for this IC? The LV8728MR-AH is designed to drive DC motors and stepper motors.
9. What is the function of the SENSE1 and SENSE2 pins? The SENSE1 (Pin 15) and SENSE2 (Pin 16) are used to monitor the motor current.
10. How do I control the direction of the motor? The DIR pin (Pin 12) controls the direction of the motor.
11. What is the significance of the VREF pin? The VREF pin (Pin 8) provides a reference voltage for the output voltage levels.
12. Can I interface this IC with a microcontroller? Yes, the LV8728MR-AH supports communication through I2C with pins SDA (Pin 29) and SCL (Pin 30).
13. Does the LV8728MR-AH have overcurrent protection? Yes, the FAULT pin will be triggered in case of overcurrent.
14. How many pins are there in the LV8728MR-AH package? There are 48 pins in the LV8728MR-AH package.
15. What is the function of the CL1 and CL2 pins? The CL1 (Pin 45) and CL2 (Pin 46) are clock output pins used for timing control in external systems.
16. What is the role of the VBOOT pin? The VBOOT pin (Pin 19) is used for the boost voltage in internal regulation for driving the MOSFETs .
17. How do I use the AD pins? The AD pins (Pins 31-37) are analog-to-digital inputs, typically used for reading sensor data.
18. Can I use this IC for both stepper and DC motors? Yes, the LV8728MR-AH is designed for both DC motors and stepper motors.
19. How should the VSS pin be connected? The VSS pin (Pin 40) should be connected to the ground of the system.
20. Is the LV8728MR-AH suitable for automotive applications? Yes, this IC can be used in automotive systems, particularly for controlling motors in various subsystems.
This format should help you understand the LV8728MR-AH's pinout and its functionality in detail. Would you like me to elaborate further on any specific part or provide more technical information?
