Details

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BUY DRV8838DSGR https://www.utsource.net/itm/p/8384187.html

Parameter	Symbol	Min	Typical	Max	Unit	Description
Supply Voltage	VDD	2.5		11	V	Operating supply voltage range
Logic Supply Voltage	VLOGIC	1.8		5.5	V	Logic supply voltage
Quiescent Current	IQ		300		μA	Current consumption in standby mode
Peak Current Limit	IPEAK		1.5		A	Maximum peak current limit
Thermal Shutdown	TSD		160		°C	Temperature at which thermal shutdown occurs
Under Voltage Lockout	UVLO	2.1			V	Minimum input voltage to enable operation
Short-Circuit Protection			Yes			Protection against short circuits
Package Type			DSGR			PowerPAD? thermally enhanced SOIC

Instructions for DRV8838DSGR:

1. Power Supply Connection:

   • Connect the power supply (VDD) and logic supply (VLOGIC) to their respective pins. Ensure VDD is within the 2.5V to 11V range and VLOGIC within 1.8V to 5.5V.

2. Grounding:

   • Ensure a solid ground connection for both power and logic supplies to prevent noise and ensure stable operation.

3. Input Control Signals:

   • Use the IN pin to control the motor direction or operation. High input drives the motor one way, low input drives it the other.

4. Current Sensing:

   • The device includes an internal current sensing mechanism that limits the peak current to protect the motor driver.

5. Thermal Considerations:

   • Monitor the operating temperature. The device will shut down if the junction temperature exceeds 160°C.

6. Protection Features:

   • The DRV8838DSGR has built-in protection features including thermal shutdown, under-voltage lockout, and short-circuit protection.

7. PCB Layout:

   • For optimal thermal performance, follow the recommended PCB layout guidelines provided in the datasheet, especially concerning the PowerPAD?.

8. Testing:

   • Before full-scale integration, test the module with typical loads to ensure all parameters are within acceptable ranges.

(For reference only)