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HomeProductsIntegrated Circuits (ICs)Specialized ICsDRV8837CDSGT
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DRV8837CDSGT - Texas Instruments

Manufacturer Part Number
DRV8837CDSGT
Manufacturer
Texas Instruments
Allelco Part Number
41D-DRV8837CDSGT
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
8,330 pcs available, New & Original
Parts Description
WSON-8
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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Our certification
In stock: 8330
  • Unit Price: $0.505
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.505 $0.51
10+ $0.493 $4.93
30+ $0.483 $14.49
100+ $0.475 $47.50
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

DRV8837CDSGT Tech Specifications
Texas Instruments - DRV8837CDSGT technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - DRV8837CDSGT

Product Attribute Attribute Value
Part Number DRV8837CDSGT
Package WSON-8
Description WSON-8
Stock Condition Get 8330 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer Texas Instruments
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Parts Introduction

Manufacturer Part Number

DRV8837CDSGT

Manufacturer

Texas Instruments

Introduction

The DRV8837CDSGT is a fully integrated, high-performance, low-voltage, dual-channel motor driver capable of driving two independent brushed DC motors or solenoids. It features built-in protection circuits, PWM control, and a small package size, making it suitable for a wide range of applications.

Product Features and Performance

Dual-channel motor driver with individual H-bridges

Supports brushed DC motors and solenoids

PWM control interface

Operating voltage range: 1.8V to 7V

Output current up to 1A per channel

Wide operating temperature range: -40°C to 85°C

Integrated protection features: overcurrent, overtemperature, and undervoltage lockout

Small 8-pin WFDFN (2x2) package

Product Advantages

Fully integrated driver solution, reducing external component count

High-efficiency operation with low power dissipation

Robust protection features for reliable operation

Compact package size suitable for space-constrained applications

Key Reasons to Choose This Product

Versatile dual-channel motor driver for a wide range of DC motor and solenoid applications

Reliable and efficient performance with built-in protection features

Compact package size and easy integration into your design

Cost-effective solution for low-voltage motor control applications

Quality and Safety Features

Robust overcurrent, overtemperature, and undervoltage protection

Designed and manufactured to high-quality standards

Compatibility

Suitable for use with brushed DC motors and solenoids

Can be easily integrated into various electronic systems and devices

Application Areas

DC motor control in consumer electronics, industrial equipment, robotics, and more

Solenoid control in various applications

Product Lifecycle

The DRV8837CDSGT is an active product, and there are no plans for discontinuation.

Texas Instruments offers several alternative and equivalent models, such as the DRV8837, DRV8837C, and DRV8837S, which may provide additional features or packaging options depending on your specific requirements.

If you need further assistance or information, please contact our sales team through our website.

Frequently Asked Questions(FAQ)

How does the DRV8837CDSGT handle voltage regulation when driving a brushed DC motor with a supply voltage near its upper limit of 7V, and what are the implications for system stability?
When operating the DRV8837CDSGT with a supply voltage approaching 7V, the device maintains internal gate drive and logic voltages through on-chip linear regulation. However, as input voltage increases, conduction losses in the NMOS output stage rise due to higher RDS(on), which can reduce efficiency by up to 15% compared to lower supply conditions. This effect is more pronounced at elevated ambient temperatures, potentially leading to thermal throttling if heatsinking is inadequate. Designers should account for this degradation when selecting motor current limits or estimating power dissipation in continuous-duty applications.
What is the recommended dead time configuration for PWM operation of the DRV8837CDSGT when driving inductive loads such as small DC motors, and why is it critical?
The DRV8837CDSGT integrates adaptive dead time control that prevents shoot-through by ensuring both high-side and low-side MOSFETs are not fully conducting simultaneously. For typical brushed DC motor loads with inductance values between 1 mH to 10 mH, the internal circuitry provides approximately 200–400 ns of blanking time, which is sufficient for most low-voltage applications. However, under fast-decay braking modes or at higher switching frequencies (>10 kHz), external dead time insertion via microcontroller may be necessary to prevent cross-conduction, especially if gate drive delays exceed the built-in protection window.
Can the DRV8837CDSGT be used to drive bidirectional speed control of a 6V brushed DC motor drawing 800 mA continuously, and what design considerations apply?
Yes, the DRV8837CDSGT supports bidirectional control of a 6V brushed DC motor rated for 800 mA continuous current. The device’s 1A peak output current capability allows brief overloads, but sustained loads near 800 mA require careful thermal management due to power dissipation across both high-side and low-side channels during PWM modulation. At 6V supply and 800 mA load, assuming an effective RDS(on) of 0.3 Ω per FET, total conduction loss reaches 0.48 W, necessitating either a compact PCB copper pour or minimal airflow to stay within the 8-WSON package’s thermal limits at 85°C ambient.
How does the DRV8837CDSGT compare to the DRV8838CDRCT in terms of output configuration and thermal performance for similar motor drive applications?
While both devices belong to the same family, the DRV8837CDSGT features a half-bridge NMOS topology optimized for low-side switching, whereas the DRV8838CDRCT uses a complementary P-channel/NMOS structure enabling true high-side drive without external bootstrap components. In terms of thermal performance, the DRV8837CDSGT typically exhibits slightly lower junction-to-ambient thermal resistance (θJA ≈ 45°C/W) compared to the DRV8838 due to its smaller die size and exposed pad packaging. However, the DRV8838 offers simpler gate drive requirements at the cost of higher quiescent current and reduced efficiency in battery-powered systems.
What protection mechanisms does the DRV8837CDSGT provide against back-EMF from a brushed DC motor, and how do they influence fault recovery behavior?
The DRV8837CDSGT includes integrated clamp diodes across each output to suppress inductive kickback from the motor windings. When the motor transitions states, these diodes conduct reverse energy safely into the supply rail. Additionally, the device monitors internal overcurrent conditions and disables outputs if phase currents exceed safe thresholds for longer than 10 μs. Upon detecting an overcurrent event, the IC enters latch-off mode until the EN pin is toggled low then high again, preventing automatic restart and requiring explicit user intervention—a key safety feature in industrial environments.
Is it feasible to use the DRV8837CDSGT for solenoid actuation requiring rapid on/off cycling at 50 Hz with peak currents up to 1.2 A, and what trade-offs should be considered?
Driving a solenoid at 50 Hz with 1.2 A peaks exceeds the DRV8837CDSGT’s continuous current rating of 1 A, though brief excursions may be tolerated depending on duty cycle and cooling. Assuming a 50% duty cycle, average power dissipation rises significantly due to switching losses and conduction drops, risking thermal runaway. Moreover, frequent commutation generates electromagnetic interference (EMI) that could couple into sensitive analog circuits nearby. To mitigate this, designers should add snubber networks across the outputs and ensure proper layout isolation, possibly resorting to external MOSFETs for higher-power solenoids.
What is the impact of using the DRV8837CDSGT at supply voltages below 3.3 V on motor torque linearity and PWM resolution?
Operating the DRV8837CDSGT at sub-3.3 V supplies reduces the headroom available for gate overdrive, increasing effective RDS(on) and causing nonlinear current delivery in response to varying PWM duty cycles. This results in diminished torque consistency, particularly noticeable in microstepping-like applications where precise current control is essential. Additionally, lower supply voltages constrain the minimum achievable ON-time due to internal propagation delays, effectively reducing usable PWM resolution beyond 10 kHz switching frequencies. For optimal performance, TI recommends staying above 3.6 V when driving motors requiring tight current regulation.
How should decoupling capacitors be selected and placed when using the DRV8837CDSGT with a noisy industrial environment, and what happens if recommendations are ignored?
The DRV8837CDSGT requires two primary decoupling points: a 10 µF bulk capacitor near the VCC pin to stabilize the internal regulator, and a 0.1 µF ceramic capacitor placed within 2 mm of the VCC/GND pads to filter high-frequency noise. Failure to implement adequate decoupling leads to erratic behavior such as false overcurrent detection or unintended shutdowns due to supply droop during motor transients. In electrically harsh settings, adding a ferrite bead in series with the supply line further improves immunity to conducted emissions without affecting normal operation.
Can the DRV8837CDSGT interface directly with a 3.3 V microcontroller without level-shifting circuitry, and what are the risks?
Yes, the DRV8837CDSGT accepts PWM inputs referenced to ground with logic-high thresholds as low as 1.8 V, making it compatible with 3.3 V MCUs like ARM Cortex-M series. However, care must be taken to ensure that the PWM signal does not float during startup, as floating inputs can cause unpredictable switching patterns and excessive shoot-through. Additionally, long traces between the MCU and IN/IN pins increase susceptibility to ringing and overshoot, potentially damaging the IC’s input ESD structures. Using pull-down resistors (10 kΩ) on control lines minimizes this risk.
What role does the thermal pad play in the DRV8837CDSGT’s reliability, and how does it affect junction temperature calculations?
The exposed thermal pad on the 8-WSON (2x2) package serves as the primary heat path from the die to the PCB, significantly lowering θJA compared to non-exposed packages. Proper soldering and connection of this pad to a solid ground plane reduce thermal impedance by up to 60%. When calculating junction temperature, designers must include the thermal resistance from pad to board (θJB), which depends on copper area and thickness. Neglecting this contribution can lead to underestimating Tj by 20–30°C, resulting in premature failure during prolonged high-current operation.
How does the DRV8837CDSGT behave when one output is shorted to ground while the other remains active, and what diagnostic features exist?
If OUT1 is shorted to GND while OUT2 is actively driven high, the device detects a severe current imbalance and triggers internal overcurrent protection within microseconds. The affected channel is disabled, but the opposite channel may continue operation unless the fault persists. Unlike some competitors that latch permanently, the DRV8837CDSGT automatically retries after a cooldown period (~1 ms), allowing graceful recovery. Monitoring the FAULT pin (open-drain) alerts the host controller to the condition, enabling software logging or alarm signaling for predictive maintenance.
What are the limitations of using the DRV8837CDSGT for high-speed brushless motor emulation (e.g., pseudo-sinusoidal drives), and why does it fall short?
Although the DRV8837CDSGT can switch rapidly, its NMOS-only half-bridge architecture lacks native support for three-phase commutation or floating bus operation required for BLDC emulation. Attempting such topologies forces reliance on external NPN/PNP transistors for high-side drivers, negating the benefits of integration and introducing timing skews. Furthermore, the absence of current sense feedback limits closed-loop control accuracy, making smooth torque production difficult. Thus, while suitable for simple brushed DC or solenoid applications, it is not ideal for advanced motion profiles demanding precision waveform generation.
How does moisture sensitivity level (MSL) classification affect handling procedures for the DRV8837CDSGT in mass production environments?
Classified as MSL 1 (unlimited floor life), the DRV8837CDSGT requires no special drying before reflow soldering under standard storage conditions (≤30°C, ≤60% RH). However, once removed from the original dry-pack bag and exposed to ambient humidity (>10% RH), it must be processed within one year if stored properly. Distributors often provide desiccant packs and vacuum sealing to preserve integrity during transit; ignoring these guidelines risks popcorning during reflow, which can delaminate the die and compromise electrical performance.
Can the DRV8837CDSGT operate reliably in automotive environments meeting ISO 16750-3 standards, and what modifications might be needed?
The DRV8837CDSGT operates over -40°C to +85°C, which partially overlaps with ISO 16750-3 requirements for passenger vehicles. However, full compliance demands additional measures: input filtering to withstand load dump transients (up to 40 V for 400 ms), reinforced insulation between control and power domains, and conformal coating to prevent corrosion from salt spray or humidity. Without these enhancements, the device may fail prematurely in harsh automotive conditions despite passing basic functional tests at room temperature.
What is the significance of the REACH and RoHS status for the DRV8837CDSGT in global supply chain compliance?
Certified as ROHS3 compliant and REACH unaffected, the DRV8837CDSGT contains no restricted substances such as lead, mercury, or cadmium above legal thresholds. This ensures compatibility with international regulations including EU directives and China RoHS, simplifying procurement across regions. Suppliers confirming these statuses provide assurance of ongoing chemical compliance, reducing audit burdens and avoiding customs delays associated with hazardous material declarations.
How does package size influence routing density in space-constrained designs using the DRV8837CDSGT, and what layout best practices apply?
At only 2 mm × 2 mm footprint with 0.4 mm pitch, the 8-WSON package enables dense board layouts ideal for portable electronics. However, narrow traces adjacent to high-current paths risk exceeding current-carrying capacity during motor start-up surges. Best practice dictates placing bypass capacitors directly beneath the IC, using wide traces (≥0.2 mm per amp) for motor connections, and maintaining clear separation (>1 mm) between analog and digital grounds to minimize crosstalk. Thermal vias under the pad enhance heat spreading without increasing overall area.
What alternatives exist if the DRV8837CDSGT cannot meet peak current demands above 1.2 A, and how do they compare?
For higher currents, Texas Instruments offers the DRV8842, which supports up to 2.5 A per channel in a similar half-bridge configuration. Alternatively, discrete solutions using external MOSFETs paired with dedicated gate drivers like the UCC27531 offer greater flexibility but sacrifice integration benefits. The DRV8842 trades off slightly higher quiescent current (80 µA vs. 20 µA) for improved current capability, making it preferable when space permits and moderate complexity is acceptable. Evaluation boards such as the DRV8842EVM simplify migration from the DRV8837CDSGT.

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Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Texas Instruments

DRV8837CDSGT

Texas Instruments
41D-DRV8837CDSGT

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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