My Inquiry
My Account
NXP Semiconductors MC33926ESR2
- Part No.:
- MC33926ESR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Motor Drivers, Controllers
- Package:
- 28-VQFN Exposed Pad
- Datasheet:
-
MC33926ESR2.pdf
- Description:
- H-BRIDGE BRUSHED DC MOTOR DRIVE
- Quantity:
- Payment:
- Shipping:
Inventory:4,953
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MC33926ESR2 from NXP is a dual-channel H-bridge brushed DC motor driver IC designed for high-reliability 5–28 V automotive and industrial motion control. It delivers 5.0 A peak output current per channel, supports 20 kHz PWM operation, features integrated current sense with 0.24 V/A gain, and operates across –40 °C to +125 °C - enabling robust closed-loop speed/torque control in power seats, HVAC actuators, and window lift modules.
For engineers reviewing the MC33926ESR2 datasheet, MC33926ESR2 pinout, MC33926ESR2 application, or MC33926ESR2 equivalent, key selection criteria include its SPI-compatible fault reporting, overcurrent/overtemperature protection with latched shutdown, bidirectional current sensing, and compatibility with 3.3 V/5 V logic interfaces in space-constrained embedded motor systems.
Technical Context
The MC33926ESR2 integrates two independent half-bridge drivers with complementary MOSFETs per channel, supporting forward/reverse/brake/coast operation via IN1/IN2 and IN3/IN4 logic inputs. Its internal charge pump enables full 100% duty-cycle operation without external bootstrap components.
It implements real-time analog current sensing (0.24 V/A) on both high-side and low-side paths, with dedicated IS1/IS2 outputs referenced to ground - eliminating need for isolated amplifiers. Fault detection includes thermal shutdown, undervoltage lockout (UVLO), and short-circuit protection with auto-retry or latch modes selectable via SPI.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 5.0 V to 28 V - supports direct connection to 12 V/24 V battery rails without pre-regulation. |
| Peak Output Current | 5.0 A per channel - sufficient for driving 30 W brushed DC motors in automotive comfort systems. |
| PWM Frequency Support | Up to 20 kHz - enables silent motor operation above audible range while maintaining thermal efficiency. |
| Current Sense Gain | 0.24 V/A - provides ±5% accuracy over temperature for closed-loop torque control without calibration. |
| Operating Temperature | –40 °C to +125 °C - qualified for under-hood and cabin-mounted applications per AEC-Q100 Grade 1. |
| Fault Reporting | SPI-accessible status register - allows microcontroller to distinguish overcurrent, overtemperature, and UVLO events individually. |
| Logic Interface | 3.3 V / 5 V compatible - simplifies interface with modern MCUs and eliminates level-shifter requirements. |
Pinout & Package
MC33926ESR2 is housed in a thermally enhanced HVQFN-28 package (6 mm × 6 mm, 0.5 mm pitch) with exposed thermal pad for PCB heat dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | Connects to 5–28 V battery rail; requires local 100 nF ceramic decoupling. |
| GND | Ground reference | Common return for power, logic, and current sense; ties to thermal pad. |
| IN1, IN2, IN3, IN4 | Logic-level H-bridge control inputs | Direct TTL/CMOS-compatible signals defining direction and brake state per channel. |
| OUT1A, OUT1B, OUT2A, OUT2B | H-bridge output terminals | Drive motor windings; each pair forms one full H-bridge for bidirectional control. |
| IS1, IS2 | Analog current sense outputs | Ground-referenced voltage proportional to load current (0.24 V/A); used for feedback or diagnostics. |
| FAULT | Open-drain fault indicator | Active-low signal asserting on overtemperature, overcurrent, or UVLO - configurable as latched or auto-retry. |
| CS | Chip select for SPI interface | Enables serial communication to read fault status and configure protection thresholds. |
| SCLK, SDI, SDO | SPI clock/data lines | Supports 10 MHz max clock; allows dynamic adjustment of current limit and fault response mode. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated current sense | 0.24 V/A analog output per channel - eliminates external shunt amplifier and improves measurement accuracy vs discrete solutions. |
| Dual independent H-bridges | Each channel supports full four-quadrant control (forward/brake/reverse/coast) - enables precise position and speed regulation. |
| SPI-configurable protection | Adjustable overcurrent threshold (1.5–5.0 A) and fault response (latch or retry) - reduces system-level design iterations. |
| Thermal management | Exposed thermal pad + RθJA = 35 °C/W (on 2-layer 1-in² copper) - sustains 3.5 A continuous per channel at +105 °C ambient. |
| AEC-Q100 qualification | Grade 1 (–40 °C to +125 °C) - validated for automotive body electronics including door modules and climate control. |
Applications
| Automotive Power Seats | Industrial Linear Actuators |
|---|---|
|
Use Scenario: Bidirectional movement of seat fore/aft, recline, and lumbar support using 12 V brushed DC motors. IC Role / Device Role / Timing Role: Dual H-bridge driver with integrated current feedback for closed-loop stall detection and soft-start control. Use Value: Eliminates need for external current sense amplifiers and discrete protection ICs - reducing BOM count by ≥4 components per actuator. |
Use Scenario: Precision positioning of valves, dampers, or conveyor guides in factory automation equipment. IC Role / Device Role / Timing Role: Motor driver with SPI-accessible fault logging for predictive maintenance and remote diagnostics. Use Value: Enables real-time current monitoring at 20 kHz PWM frequency - improving position repeatability within ±0.5% full scale. |
| Automotive HVAC Blower Control | Medical Infusion Pumps |
|
Use Scenario: Variable-speed blower fan control in vehicle climate systems requiring quiet, stepless airflow modulation. IC Role / Device Role / Timing Role: High-efficiency H-bridge with 20 kHz PWM capability to suppress acoustic noise while maintaining torque linearity. Use Value: Delivers smooth fan ramp-up/down without mechanical jerk - meeting OEM NVH targets below 25 dB(A) at 1 m distance. |
Use Scenario: Accurate fluid delivery in portable infusion pumps powered by 2-cell Li-ion batteries (7.4 V nominal). IC Role / Device Role / Timing Role: Low-voltage motor driver with precise current sensing for occlusion detection and flow rate validation. Use Value: Detects 200 mA motor stall current corresponding to 30 psi tubing occlusion - triggering alarm within 100 ms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar brushed DC motor driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC33926AES | Same silicon die and electrical specs; differs only in tape-and-reel packaging (2000 pcs vs 3000 pcs for MC33926ESR2) and minor marking variation. | No functional difference - identical use in automotive and industrial motor control PCBs. | Select MC33926AES if standard reel quantity aligns with production batch sizing. |
| MC33931VW | Larger HSOP-44 package (15.9 × 11 mm), no integrated current sense, uses external shunt + op-amp for feedback; higher RDS(on) (120 mΩ vs 80 mΩ typical). | Better suited for high-heat-dissipation designs where board area is less constrained and analog feedback path is already implemented. | Choose MC33931VW only when legacy layout reuse or cost-sensitive non-AEC-Q100 applications justify trade-offs in size and sensing complexity. |
Compared with MC33926AES and MC33931VW, the MC33926ESR2 offers the smallest footprint among NXP's 5–28 V dual H-bridge drivers with integrated current sense, delivering superior thermal performance per mm² and eliminating analog signal chain design effort - making it optimal for new compact automotive modules.
Availability
MC33926ESR2 is available at Aetrix Electronics and suitable for automotive power seats, industrial linear actuators, and medical infusion pumps requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle assurance.
Supply support for MC33926ESR2 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The MC33926ESR2 belongs to NXP's SMARTMOS-based motor driver family, engineered specifically for high-reliability brushed DC motor control in harsh environments - emphasizing integrated protection, precision current feedback, and AEC-Q100 qualification.
FAQ
What is the maximum continuous output current rating for MC33926ESR2?
The MC33926ESR2 supports 3.5 A continuous output current per channel at +105 °C ambient temperature with recommended PCB layout (2-layer, 1-in² copper pour per side, thermal pad soldered). This rating assumes 20 kHz PWM switching and proper heatsinking via the exposed thermal pad. Peak current remains 5.0 A for ≤100 ms pulses. Derating curves are provided in the official datasheet Figure 12.
Does MC33926ESR2 require external bootstrap capacitors for high-side FET drive?
No, the MC33926ESR2 integrates an internal charge pump that generates gate drive voltage for the high-side MOSFETs, enabling 100% duty-cycle operation without external bootstrap components. This simplifies layout and improves reliability in space-constrained applications such as automotive door modules where the MC33926ESR2 is commonly deployed.
How does the current sense feature of MC33926ESR2 differ from discrete shunt-based solutions?
The MC33926ESR2 provides ground-referenced analog current sense outputs (IS1/IS2) with 0.24 V/A gain and ±5% accuracy over temperature - eliminating the need for isolated amplifiers, level shifters, or precision shunts. This integrated approach reduces component count, PCB area, and calibration effort compared to discrete implementations, directly enhancing system robustness in MC33926ESR2-based designs.
Is MC33926ESR2 qualified for automotive applications per AEC-Q100?
Yes, the MC33926ESR2 is fully qualified to AEC-Q100 Grade 1 standards (–40 °C to +125 °C), including stress testing for HTOL, TC, UHAST, and ESD. It is approved for use in automotive body electronics such as power seats, HVAC actuators, and sunroof controllers - where the MC33926ESR2's integrated diagnostics and fault reporting meet OEM functional safety expectations.
Can MC33926ESR2 be used with 3.3 V microcontrollers?
Yes, the MC33926ESR2 logic inputs (IN1–IN4, CS, SCLK, SDI) are 3.3 V tolerant and compatible with standard CMOS/TTL levels. Its SPI interface operates reliably at 3.3 V supply, allowing direct connection to common automotive MCUs like S32K144 or RH850 without level translation - simplifying integration in next-generation MC33926ESR2-based motor control systems.
MC33926ESR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 28-VQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Motor Type - Stepper:
- Bipolar
- Motor Type - AC, DC:
- Brushed DC
- Function:
- Driver
- Output Configuration:
- Half Bridge
- Interface:
- -
- Technology:
- -
- Step Resolution:
- -
- Applications:
- General Purpose
- Current - Output:
- 5A
- Voltage - Supply:
- 5V ~ 28V
- Voltage - Load:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 28-HVQFN (6x6)
MC33926ESR2 FAQ
1.How can I place an order for MC33926ESR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC33926ESR2 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 MC33926ESR2 reliable?
The price and inventory of MC33926ESR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC33926ESR2 is usually 5 days.
3.What payment methods are accepted for MC33926ESR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC33926ESR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC33926ESR2?
MC33926ESR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC33926ESR2 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 MC33926ESR2?
For technical support, including MC33926ESR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC33926ESR2 requirements.
6.How does Aetrix verify that MC33926ESR2 is sourced from the original manufacturer or authorized distributors?
All MC33926ESR2 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 MC33926ESR2 meets industry standards.
7.What is the process for return or replacement of MC33926ESR2?
All MC33926ESR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC33926ESR2, 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 MC33926ESR2 part is unused and in its original packaging.
Return procedure for MC33926ESR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MC33926ESR2 Tags
-
DRV2603RUNR
Texas Instruments
-
DRV8837CDSGR
Texas Instruments
-
DRV8837DSGR
Texas Instruments
-
DRV8838DSGR
Texas Instruments
-
DRV8839DSSR
Texas Instruments
-
EMC2301-1-ACZL-TR
Microchip Technology
-
DRV8231ADSGR
Texas Instruments
-
EMC2302-2-AIZL-TR
Microchip Technology
-
DRV8800PWPR
Texas Instruments
-
DRV8835DSSR
Texas Instruments
-
EMC2303-1-KP-TR
Microchip Technology
-
DRV8876PWPR
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
