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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Motor Drivers, Controllers

Monolithic Power Systems Inc. MP6619GQ-Z

Name: MP6619GQ-Z
Brand: Monolithic Power Systems Inc.
SKU: MP6619GQ-Z
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MP6619GQ-Z

Manufacturer:: Monolithic Power Systems Inc.

Category:: Motor Drivers, Controllers

Package:: 19-VFQFN

Datasheet:: MP6619GQ-Z.pdf

Description:: 5.4V TO 28V, 5A, H-BRIDGE MOTOR

Quantity:: RFQ Add To RFQ list

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Product details

Overview

MP6619GQ-Z from Monolithic Power Systems is a 5.4V–28V, 5A H-bridge motor driver IC with integrated N-channel MOSFETs (65mΩ R_DS(ON) per half-bridge), cycle-by-cycle current limiting, and fault reporting via open-drain nFAULT. It drives brushed DC motors in bidirectional mode with 100% duty-cycle capability and operates across –40°C to +125°C junction temperature.

For engineers reviewing the MP6619GQ-Z datasheet, MP6619GQ-Z pinout, MP6619GQ-Z application, or MP6619GQ-Z equivalent, key selection criteria include input voltage range compatibility, programmable current trip (via ISET resistor), thermal shutdown behavior, and bootstrap-based high-side gate drive architecture for continuous conduction.

Technical Context

The MP6619 implements a dual high-side/low-side gate driver architecture with internal charge pump (VBST1/VBST2) enabling 100% duty-cycle operation of N-channel HS-FETs. Current sensing is achieved via external LSS-to-ground shunt resistor with IFB feedback loop and user-programmable V_ITRIP (100–220mV).

Protection logic includes over-current (IOCP = 10A), input over-voltage (V_INOVP = 34V typ), UVLO (VIN_ON = 5.35V), and thermal shutdown (T_J = 150°C). Fault conditions assert active-low nFAULT with automatic recovery after t_OCP = 1ms.

Key Specifications

Parameter	Value and Actual Design Meaning
Input Voltage Range	5.4V to 28V - supports 12V/24V industrial and automotive battery systems without external regulation.
Continuous Output Current	5A - sustained motor drive capability with thermal derating above 25°C ambient.
R_DS(ON) (HS + LS)	65mΩ per half-bridge - limits conduction loss to ≤1.625W at 5A, enabling compact thermal design.
Current Trip Threshold	Programmable 100–220mV at ISET - sets motor overcurrent limit from 2.5A to 5.5A using external resistor.
Shutdown Current	1μA - enables ultra-low-power sleep mode for battery-powered portable motor control.
Fault Reporting	Open-drain nFAULT - signals OCP, OTP, OVP, or current-limit events with automatic retry after 1ms.
Package	QFN-19 (3mm × 3mm) - exposes thermal pad for PCB heat sinking; θ_JA = 50°C/W on 4-layer board.

Pinout & Package

MP6619GQ-Z uses a thermally enhanced QFN-19 (3mm × 3mm) package with exposed thermal pad. Pin 1 is marked by top-side index area; pins 2/11 (VIN), 3/10 (OUT2/OUT1), and 12/18 (NC) share identical land pattern geometry per JEDEC MO-220.

Pin/Terminal	Circuit Role	Design Meaning
1 IFB	Current-sense feedback	Connects to LSS node; compares sensed voltage against V_ITRIP to trigger cycle-by-cycle current limiting.
2, 11 VIN	Main power input	Dual-input configuration reduces trace inductance; accepts 5.4–28V supply with 36V absolute max rating.
3 OUT2 / 10 OUT1	H-bridge output terminals	Drive brushed DC motor terminals; support bidirectional current flow and freewheeling paths.
4 BST2 / 9 BST1	Bootstrap supply for HS-FET gates	Requires ceramic capacitor between BSTx and corresponding OUTx to sustain gate drive during 100% duty cycle.
5 EN	Enable control	Logic-high (>1.5V) enables operation; <100ns low pulse initiates shutdown with <1μA quiescent draw.
6, 7, 8 LSS	Low-side source return	Common node for external current-sense resistor; connects to system ground to measure total H-bridge current.
13 nFAULT	Fault indicator output	Active-low open-drain signal requiring external pull-up; asserts during OCP, OTP, OVP, or current-limit events.
14 VCC	Internal 5V LDO output	Powers internal logic and gate drivers; drops out below 4.8V, triggering reset and shutdown sequence.
15 IN1 / 16 IN2	H-bridge control inputs	Independent logic-level inputs (1.5V high threshold); define direction and braking modes per truth table.
17 ISET	Current trip voltage setting	Resistor-to-ground sets V_ITRIP; 80kΩ yields 100mV trip, enabling lower-loss sensing at reduced current limit.
19 AGND	Analog ground reference	Separate ground for precision current-sense circuitry; must be tied to power ground at single point near LSS.

Key Features

Feature	Design Value
Integrated H-bridge with N-MOSFETs	Eliminates need for external gate drivers or discrete FETs; reduces BOM count and layout complexity.
Programmable current limit	V_ITRIP adjustable from 100mV to 220mV via ISET resistor, enabling precise motor stall protection and thermal management.
Bootstrap-based 100% duty-cycle drive	Charge-pump-assisted BST1/BST2 allows continuous high-side conduction-critical for PWM-controlled torque hold.
Comprehensive fault protection	Simultaneous detection of over-current (10A), over-voltage (34V), over-temperature (150°C), and short-circuit conditions.
Low-power shutdown mode	1μA supply current enables energy-sensitive applications such as battery-powered robotics and portable tools.

Applications

Industrial Actuators

Automotive HVAC Dampers

Use Scenario: Precise linear positioning of pneumatic or electric actuators in PLC-controlled valve systems.

IC Role / Device Role / Timing Role: Bidirectional H-bridge driver controlling 24V brushed DC actuator motor with current-limited start/stop transitions.

Use Value: Cycle-by-cycle current limiting prevents inrush damage during cold-start; nFAULT enables real-time diagnostics for predictive maintenance.

Use Scenario: Motorized air flap control in vehicle climate systems requiring silent, reliable directional switching.

IC Role / Device Role / Timing Role: Directional motor controller interfacing with CAN/LIN microcontroller; handles 12V battery transients up to 34V.

Use Value: Input over-voltage protection avoids latch-up during load-dump events; thermal shutdown ensures safe operation under dashboard temperature extremes.

Robotics Joint Control

Medical Infusion Pumps

Use Scenario: Torque-controlled joint actuation in collaborative robots where motor stall must be detected and managed.

IC Role / Device Role / Timing Role: High-efficiency motor driver with programmable current trip (set to 3.2A) for precise stall detection and soft-stop deceleration.

Use Value: Adjustable V_ITRIP allows tuning to motor winding resistance; 65mΩ R_DS(ON) minimizes self-heating during extended holding periods.

Use Scenario: Peristaltic pump motor control in portable infusion devices requiring fail-safe operation and low standby power.

IC Role / Device Role / Timing Role: Safety-critical motor driver with fault reporting (nFAULT) fed to MCU watchdog; operates from 5.4–28V medical-grade power rails.

Use Value: 1μA shutdown current extends battery life; over-temperature shutdown prevents thermal runaway in sealed enclosures.

Equivalent & Alternatives

The following parts are listed as comparable options for similar H-bridge motor driver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TB9051FTG	40V max VIN, 3.5A continuous, integrated current sense amplifier (not shunt-based), SPI interface for diagnostics.	Requires microcontroller with SPI; better suited for closed-loop torque control but lacks programmable analog current trip.	Select when digital diagnostics and higher voltage margin outweigh need for simple analog current limiting.
VNH7040AS	41V max VIN, 4.5A continuous, built-in current sense output (0.5V/A), no external ISET programming.	Fixed 0.5V/A sense gain limits flexibility; lacks bootstrap architecture-supports only <100% duty cycle.	Choose for cost-sensitive 12V systems where fixed current scaling and integrated sense output simplify design.

Compared with TB9051FTG and VNH7040AS, MP6619GQ-Z provides superior analog current-limit programmability, true 100% duty-cycle capability, and simpler resistor-based configuration-making it optimal for deterministic, low-component-count brushed motor control.

Availability

MP6619GQ-Z is available at Aetrix Electronics and suitable for industrial automation, automotive subsystems, and medical device manufacturing requiring stable component supply, RoHS-compliant packaging, and long-term production continuity.

Supply support for MP6619GQ-Z includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Monolithic Power Systems (MPS) is a fabless semiconductor company specializing in high-performance power management ICs, including DC/DC converters, motor drivers, and LED controllers.

The MP6619 belongs to MPS's brushed DC motor driver product line, engineered for robust, integrated H-bridge control in space-constrained industrial and automotive applications with demanding thermal and transient requirements.

FAQ

What is the minimum input voltage required for MP6619GQ-Z to operate?

The MP6619GQ-Z requires a minimum input voltage of 5.4V to ensure proper startup and internal LDO (VCC) regulation. Below this threshold, the IC remains in under-voltage lockout (UVLO) and will not enable the H-bridge, even if EN is asserted.

How does the ISET pin adjust current limiting, and what resistor value sets a 3A trip point?

ISET sets V_ITRIP using V_ITRIP = 0.2V × (40kΩ / R_ISET). For a 3A trip with a 50mΩ sense resistor, V_ITRIP must be 150mV → R_ISET = 40kΩ × (0.2 / 0.15) ≈ 53.3kΩ. A standard 53.6kΩ (1%) resistor achieves this precisely.

Can MP6619GQ-Z drive a motor in brake mode, and how is it configured?

Yes-brake mode is achieved by setting IN1 = IN2 = HIGH (or LOW) while EN = HIGH. This forces both low-side (or high-side) FETs on, shorting the motor terminals and dissipating kinetic energy as heat in the MOSFETs and sense resistor.

What is the purpose of the dual VIN pins (pins 2 and 11), and how should they be routed?

Pins 2 and 11 are electrically identical VIN inputs designed to reduce high-frequency switching current loop inductance. They must be connected to the same input rail using symmetric, low-inductance traces and each decoupled with ≥22µF X7R ceramic capacitors placed adjacent to their respective pins.

Is an external pull-up required on the nFAULT pin, and what voltage level is compatible?

Yes-nFAULT is an open-drain output requiring an external pull-up resistor. It is rated for 6V maximum, so a 3.3V or 5V pull-up (typically 4.7kΩ–10kΩ) to VCC or MCU I/O rail is appropriate; the pin sinks >5mA when active low.

Does MP6619GQ-Z support PWM speed control, and what is the recommended frequency range?

Yes-the MP6619GQ-Z supports PWM speed control via IN1/IN2 inputs. The datasheet validates stable operation up to 100kHz, but 20kHz is recommended to avoid audible noise while maintaining efficient current regulation and thermal performance.

What thermal considerations apply when operating at 5A continuous current?

At 5A and 24V, conduction loss is ~1.625W. With θ_JA = 50°C/W, junction rise is ~81°C above ambient. To stay within 125°C T_J, ambient must remain ≤44°C unless enhanced PCB copper area or forced airflow is used.

MP6619GQ-Z Specifications

Product attributes: Attribute value

Manufacturer:: Monolithic Power Systems Inc.

Series:: -

Package/Case:: 19-VFQFN

Packaging:: Tape & Reel (TR)

Product Status:: Active

Motor Type - Stepper:: Bipolar

Motor Type - AC, DC:: Brushed DC

Function:: Driver - Fully Integrated, Control and Power Stage

Output Configuration:: Half Bridge (2)

Interface:: On/Off

Technology:: NMOS

Step Resolution:: -

Applications:: General Purpose

Current - Output:: 5A

Voltage - Supply:: 5.4V ~ 28V

Voltage - Load:: -

Operating Temperature:: -40°C ~ 125°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 19-QFN (3x3)

MP6619GQ-Z FAQ

1.How can I place an order for MP6619GQ-Z through Aetrix?

Please submit a Request for Quotation (RFQ) for MP6619GQ-Z on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for MP6619GQ-Z reliable?

The price and inventory of MP6619GQ-Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MP6619GQ-Z is usually 5 days.

3.What payment methods are accepted for MP6619GQ-Z?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MP6619GQ-Z transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MP6619GQ-Z?

MP6619GQ-Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MP6619GQ-Z order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for MP6619GQ-Z?

For technical support, including MP6619GQ-Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MP6619GQ-Z requirements.

6.How does Aetrix verify that MP6619GQ-Z is sourced from the original manufacturer or authorized distributors?

All MP6619GQ-Z products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MP6619GQ-Z meets industry standards.

7.What is the process for return or replacement of MP6619GQ-Z?

All MP6619GQ-Z units undergo pre-shipment inspection (PSI). If there is an issue with MP6619GQ-Z, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The MP6619GQ-Z part is unused and in its original packaging.

Return procedure for MP6619GQ-Z:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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