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Name: DRV8312DDWR
Brand: Texas Instruments
SKU: DRV8312DDWR
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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Texas Instruments DRV8312DDWR

Part No.:: DRV8312DDWR

Manufacturer:: Texas Instruments

Package:: 44-TSSOP (0.244, 6.20mm Width) Exposed Pad

Datasheet:: DRV8312DDWR.pdf

Description:: IC BRIDGE DRIVER PAR 44HTSSOP

In Stock:: 2713

Quantity:: Add To Cart

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DRV8312DDWR Typical application Circuitry

DRV8312DDWR

The DRV8312DDWR is a significant component in Texas Instruments' DRV8312 series, which is renowned for its brushless DC (BLDC) motor drivers. This series is widely appreciated in applications requiring efficient, reliable motor control, such as in automotive, industrial, and consumer electronics sectors. The DRV8312DDWR is particularly notable for its integrated dual H-bridge design, which makes it ideal for driving two BLDC motors simultaneously, and for its robust protection features.

1. Power Supply Connectivity: The DRV8312DDWR is engineered to operate within a voltage range of 8.2V to 60V. You should connect the VVM pin to a power source that falls within this specified range. Incorporating a decoupling capacitor near the VVM pin is advisable to ensure stable power supply and to reduce electrical noise.

2. Grounding Method (PGND and AGND Pins): The DRV8312DDWR has distinct power ground (PGND) and analog ground (AGND) pins. Proper connection of both these pins to your system's ground is crucial to ensure stability and minimize noise interference.

3. Motor Phase Connections (AHx, ALx, BHx, BLx Pins): The motor terminals should be connected to the AHx, ALx, BHx, and BLx pins of the DRV8312DDWR. This configuration enables the chip to manage the operation of two motors simultaneously.

4. Input Signal Integration (INHA, INHB, INHC, INLA, INLB, INLC Pins): The INHA, INHB, INHC, INLA, INLB, and INLC pins are designed for receiving input signals that dictate the motor's direction and speed. These should be connected to the output signals of a microcontroller or another control circuit.

5. PWM Control (PWM Pins): The DRV8312DDWR features PWM pins for controlling the motor's speed through pulse-width modulation. These pins should be linked to a PWM output from a microcontroller to manage the motor's speed effectively.

6. Current Sensing (CSHA, CSHB, CSHC Pins): The device includes current sensing capabilities through the CSHA, CSHB, and CSHC pins. Connect these to shunt resistors in your motor control circuit for precise current monitoring.

7. Fault Indication (nFAULT Pin): The nFAULT pin provides an indication of fault conditions such as overcurrent or thermal shutdown. This pin should be interfaced with a microcontroller for fault detection and management.

8. PCB Design Considerations: In designing the PCB for the DRV8312DDWR, prioritize minimizing the length of high current traces and maintaining a clear separation between power and signal traces to reduce electromagnetic interference.

9. Heat Management and Protective Measures: Given the power handling capabilities of the DRV8312DDWR, implementing thermal management solutions like heatsinks and ensuring the use of protective components like resistors or capacitors can be beneficial for enhanced performance and durability.

In summary, the DRV8312DDWR is a versatile and powerful motor driver suitable for controlling two BLDC motors. Proper connections for power supply, grounding, motor phase inputs, PWM control, current sensing, and fault indication, along with a well-thought-out PCB layout and appropriate thermal management, are key to maximizing the effectiveness of the DRV8312DDWR in your motor control applications.

DRV8312DDWR information

DRV8312DDWR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
OutputConfiguration:
Half Bridge (3)
Applications:
DC Motors, General Purpose
Interface:
PWM
LoadType:
Inductive
Technology:
Power MOSFET
RdsOn(Typ):
80mOhm LS, 80mOhm HS
Current-Output/Channel:
3.5A
Current-PeakOutput:
6.5A
Voltage-Supply:
10.8V ~ 13.2V
Voltage-Load:
0V ~ 52.5V
OperatingTemperature:
-40°C ~ 150°C (TJ)
Features:
Bootstrap Circuit, Status Flag
FaultProtection:
Current Limiting, Over Temperature, Short Circuit, UVLO
MountingType:
Surface Mount

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6. What is the process for return or replacement of DRV8312DDWR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DRV8312DDWR we delivered, we will accept the replacement or return of the DRV8312DDWR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DRV8312DDWR.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations