DRV8847PWPR

Name: DRV8847PWPR
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

18-V, 2-A dual H-bridge motor driver with current regulation & independent half-bridge control

4,568 Effective Inventory

DRV8847PWPR

Effective Inventory4,568

18-V, 2-A dual H-bridge motor driver with current regulation & independent half-bridge control

Manufacturer Part # : DRV8847PWPR
Package/Case: HTSSOP-16
Brand: Texas Instruments
Product Categories : Motor Drivers, Controllers
Series : DRV8847

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DRV8847PWPR DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$1.128	$1.13
10	$0.958	$9.58
30	$0.865	$25.95
100	$0.758	$75.80
500	$0.636	$318.00
1000	$0.615	$615.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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DRV8847PWPR Details

The DRV8847PWPR is a dual H-bridge motor driver from Texas Instruments, designed for driving bipolar stepper motors or bidirectional DC motors. This driver IC offers up to 1.75A output current per H-bridge and operates on a wide voltage range, making it ideal for various motor control applications. It features overcurrent protection and integrated PWM current regulation for efficient and reliable motor control.

Pinout

1 (M1A): Motor 1 Phase A Output
2 (M1B): Motor 1 Phase B Output
3 (VM): Motor Voltage Supply
4 (GND): Ground
5 (M2A): Motor 2 Phase A Output
6 (M2B): Motor 2 Phase B Output
7 (VCP): Charge Pump Output
8 (VCPG): Charge Pump Ground

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Dual H-Bridge Design: Provides two independent H-bridges for motor control.
High Output Current: Capable of delivering up to 1.75A per H-bridge.
Wide Voltage Range: Supports a wide operating voltage range for flexibility.
Overcurrent Protection: Features built-in protection against overcurrent conditions.
PWM Current Regulation: Integrated PWM current regulation for efficient motor control.

Application

Stepper Motor Control: Suitable for driving bipolar stepper motors in various applications.
DC Motor Control: Ideal for bidirectional DC motor control in robotics and automation.
Robotics: Used in robotics projects for precise motor control and movement.

Where to Use

The DRV8847PWPR is ideal for applications requiring efficient and precise motor control, especially in robotics, automation, and motion control systems. It is well-suited for driving stepper motors and bidirectional DC motors in various projects and applications.

How to Use

To use the DRV8847PWPR, connect the motor phases M1A/M1B or M2A/M2B to the respective motor windings. Apply the motor voltage supply VM and ensure proper ground connections. Utilize the charge pump outputs for internal operation. Configure PWM signals for desired speed and direction control. Refer to the datasheet for detailed usage instructions.

Application Circuit

The application circuit diagram for the DRV8847PWPR illustrates how to connect the motor driver to stepper or DC motors for motion control. It includes connections for motor phases, voltage supply, ground, and PWM signals, ensuring proper operation and motor control.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

Dual TB6612FNG: A similar dual H-bridge motor driver offering comparable features and performance.
L298N: An alternative dual H-bridge driver with similar functionality for motor control applications.

Complementary

The DRV8847PWPR can be complemented by the DRV8834PWPR, which is a single H-bridge motor driver with lower output current but similar features. The combination of both drivers provides versatile motor control solutions for different motor types and applications.

When selecting complementary motor drivers, ensure compatibility and performance alignment with your specific project requirements.

Frequently Asked Questions

Q: What is the maximum output current per H-bridge of the DRV8847PWPR?

A: The DRV8847PWPR can deliver up to 1.75A of output current per H-bridge. Ensure proper heat sinking and current limitations are considered for optimal performance.

Q: Can the DRV8847PWPR be used in battery-powered applications?

A: Yes, the DRV8847PWPR is suitable for battery-powered applications, providing efficient motor control with low power consumption. Verify the voltage and current requirements align with your application's power source.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of full bridges	2	Vs (min) (V)	2.7
Vs ABS (max) (V)	20	Full-scale current (A)	1
Peak output current (A)	2	RDS(ON) (HS + LS) (mΩ)	1000
Sleep current (µA)	1.7	Control mode	Independent 1/2-Bridge
Control interface	Hardware (GPIO), I2C	Features	Current Regulation, Open-Load Detection
Rating	Catalog	Operating temperature range (°C)	-40 to 125

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification DRV8847PWPR PDF Download

FAQs

What is DRV8847PWPR?

The DRV8847PWPR is a dual H-bridge motor driver integrated circuit (IC) designed by Texas Instruments. It is ideal for driving two brushed DC motors or a bipolar stepper motor in various applications such as robotics, automated equipment, and consumer electronics.

How Does DRV8847PWPR Work?

The DRV8847PWPR works by receiving control signals to drive the connected motor(s) with bidirectional current. It features integrated protection functions such as overcurrent protection, undervoltage lockout, and thermal shutdown to ensure safe and reliable motor operation. The device offers PWM (Pulse-Width Modulation) control for speed and direction management.

How Many Pins does DRV8847PWPR have and What are the Functions of the Pinout Configuration?

The DRV8847PWPR is housed in a 28-pin HTSSOP (PowerPAD) package. The pinout configuration includes:

VBB: Bootstrap capacitor supply voltage.
VCP1, VCP2: Charge pump output for high-side gate drive voltage.
GND: Ground pin.
CP1, CP2: Bootstrap capacitor pin for high-side gate drive.
OUT1A, OUT1B, OUT2A, OUT2B: Motor output pins.
AIN1, BIN1, AIN2, BIN2: Inputs for motor control.
VREF, VREFGD: Reference voltage and buffer enable pin.
FAULT1, nFAULT1, FAULT2, nFAULT2: Fault condition and corresponding fault output pins.
VM, VREG: Motor supply voltage and regulator output.

What are the Pros and Cons of DRV8847PWPR?

Pros:

Dual H-Bridge: Allows control of two motors independently or a bipolar stepper motor.
Integrated Protections: Provides overcurrent protection, undervoltage lockout, and thermal shutdown for reliable motor operation.
PWM Control: Supports PWM control for speed and direction management.
Compact Form Factor: HTSSOP package offers a balance of thermal performance and board space efficiency.
Driver Configuration Flexibility: Allows for various motor driver configurations based on application requirements.

Cons:

Complexity: Requires careful attention to driver and motor wiring and possibly additional external components for optimal performance.
Power Dissipation: High power dissipation may require additional heat sinking or thermal management.
Package Handling: The HTSSOP package may require careful handling during assembly and soldering.

Are There Any Equivalents/Alternatives to DRV8847PWPR for Recommendation?

The DRV8834 from Texas Instruments is a similar dual H-bridge motor driver with lower current capability.
Alternatives to the DRV8847PWPR include the TB67H420FTG from Toshiba and the L298N from STMicroelectronics.