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NXP Semiconductors MC33887PNBR2
- Part No.:
- MC33887PNBR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Motor Drivers, Controllers
- Package:
- 36-PowerQFN
- Datasheet:
-
MC33887PNBR2.pdf
- Description:
- IC MOTOR DRIVER 5V-28V 36PQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,560
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Product details
Overview
MC33887PNBR2 from NXP Semiconductors is a monolithic 5.0 A H-bridge power IC with integrated load current feedback (1/375 ratio), designed for closed-loop DC motor control in automotive and industrial systems. It features TTL/CMOS-compatible inputs, active current limiting (5.2–7.8 A), 120 mΩ typical RDS(on), and operates from 5.0 V to 28 V supply voltage across −40 °C to 125 °C ambient.
For engineers reviewing the MC33887PNBR2 datasheet, MC33887PNBR2 pinout, MC33887PNBR2 application, or MC33887PNBR2 equivalent, this device delivers precise torque/speed regulation via analog current feedback, fault reporting (undervoltage/short-circuit/overtemperature), and dual disable inputs enabling high-impedance 3-state operation - critical for ETC, EGR, and medical pump designs requiring AEC-Q100 Grade 1 compliance.
Technical Context
The MC33887PNBR2 integrates internal charge pump, gate drive, and logic-controlled half-bridge totem-pole outputs with independent IN1/IN2 polarity control and complementary D1 (active-high)/D2 (active-low) disable functions. Its current-limiting circuitry uses constant OFF-time PWM on low-side MOSFETs with 15–26 µs blanking time and 20.5 µs typical ILIM period.
Feedback is implemented as a ground-referenced proportional current source (IFB = IOUT/375), directly compatible with microcontroller ADC inputs. Fault status (FS) is an open-drain output requiring external 5.0 V pull-up, asserting low during undervoltage, overtemperature (>175 °C), or short-circuit events - all triggering automatic 3-state latch-off.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Continuous Output Current | 5.0 A - supports sustained DC motor loads without thermal shutdown under proper heatsinking |
| RDS(on) (Typical) | 120 mΩ - minimizes conduction loss and junction heating at full load (≤16 W dissipation) |
| Current Feedback Ratio | 1/375 - enables direct ADC monitoring of load current with ±0.266% scaling error |
| Active Current Limit Range | 5.2–7.8 A - programmable via internal PWM blanking and timing (tA = 20.5 µs typ.) |
| PWM Frequency Support | Up to 10 kHz - allows fine-grained speed/torque resolution while maintaining MOSFET switching efficiency |
| Supply Voltage Range | 5.0–28 V - fully specified; limited operation up to 40 V with degraded charge pump performance |
| Sleep Mode Current | ≤50 µA - enables ultra-low-power standby in battery-operated automotive subsystems |
Pinout & Package
MC33887PNBR2 is packaged in HSOP20 (SOT397-2): plastic heatsink small outline package, 20-pin, 1.27 mm pitch, 11 mm × 15.9 mm × 3.2 mm body, with exposed thermal pad DC-coupled to AGND and PGND.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN (Pin 20) | Enable input | Logic-high enables full operation; logic-low forces sleep mode (≤50 µA IQ) |
| IN1 (Pin 3), IN2 (Pin 19) | H-bridge polarity control | TTL/CMOS-compatible inputs defining OUT1/OUT2 direction (H/L → H/L output state) |
| D1 (Pin 18), D2 (Pin 13) | Complementary disable inputs | D1 high or D2 low forces both outputs into high-impedance 3-state, preserving logic functionality |
| FB (Pin 8) | Current feedback output | Ground-referenced constant-current source (IFB = IOUT/375) for ADC interfacing |
| FS (Pin 2) | Fault status output | Open-drain active-low signal indicating undervoltage, short-circuit, or overtemperature |
| OUT1 (Pins 6–7), OUT2 (Pins 14–15) | H-bridge power outputs | Paired terminals per output reduce trace inductance and improve current sharing (5.0 A continuous) |
| V+ (Pins 4–5, 16) | Positive supply | Three dedicated pins minimize IR drop and enhance charge pump stability under high load |
| PGND (Pins 9–12), AGND (Pin 1) | Power/analog ground | Separate low-impedance paths prevent noise coupling from high-current switching into feedback circuitry |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for automotive operation from −40 °C to 125 °C ambient, meeting stringent reliability requirements |
| Integrated charge pump | Enables full enhancement of high-side MOSFETs down to 5.0 V supply without external bootstrap components |
| Open-load detection capability | Enabled by FB output and FS flag behavior during zero-current conditions with valid enable states |
| Thermal protection with hysteresis | Shuts down at 175 °C (TLIM), restarts only after cooling ≥10 °C (THYS) to prevent cycling |
| Short-circuit detection | Distinguishes high-di/dt faults (ISCH = 11 A, ISCL = 8 A) from normal startup transients using 12–21 µs blanking window |
Applications
| Electronic Throttle Control (ETC) | Exhaust Gas Recirculation (EGR) |
|---|---|
Use Scenario: Precise angular positioning of throttle valve via PWM-driven DC motor under engine bay temperature extremes. IC Role / Device Role / Timing Role: H-bridge driver with real-time current feedback for closed-loop torque control and stall detection. Use Value: Enables ISO 26262-compliant functional safety monitoring via FS flag and FB-based load verification. |
Use Scenario: Actuation of EGR valve in diesel engines to regulate NOx emissions across wide duty cycles and vibration environments. IC Role / Device Role / Timing Role: Bidirectional motor driver with active current limiting to prevent coil saturation during rapid valve transitions. Use Value: Eliminates need for external current sense resistors and op-amps, reducing BOM count and PCB area. |
| Turbo Flap Control | Medical Infusion Pumps |
Use Scenario: High-reliability actuation of variable geometry turbocharger (VGT) flaps in harsh under-hood conditions. IC Role / Device Role / Timing Role: Robust H-bridge with undervoltage lockout and thermal foldback to sustain operation during transient load spikes. Use Value: Maintains precise flap position during engine cranking (low-V+ events) without latch-up or uncontrolled motion. |
Use Scenario: Silent, accurate peristaltic motor control in portable infusion pumps requiring low standby power and fault diagnostics. IC Role / Device Role / Timing Role: Motor driver with sleep mode (≤50 µA) and fault-flagged occlusion detection via current feedback deviation. Use Value: Extends battery life >30% versus discrete solutions while providing IEC 60601-1 compliant safety signaling. |
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 |
|---|---|---|---|
| DRV8876PWPR | 4.5 A continuous, no integrated current feedback; requires external sense resistor and amplifier | Lacks native 1/375 current mirror - unsuitable for direct ADC interfacing without added components | Preferred where cost sensitivity outweighs diagnostic integration and AEC-Q100 compliance is not required |
| VNH7040ASTR | 4.0 A continuous, SPI-configurable diagnostics, but no analog FB output; higher RDS(on) (180 mΩ) | Relies on digital communication for fault reporting - adds MCU overhead versus MC33887PNBR2's analog FB + FS dual-path monitoring | Chosen when system-level diagnostics require configurable thresholds and multi-device daisy-chaining |
Compared with DRV8876PWPR and VNH7040ASTR, the MC33887PNBR2 uniquely combines AEC-Q100 Grade 1 qualification, integrated analog current feedback, and dual-disable architecture - delivering lower system-level BOM cost and faster closed-loop development for safety-critical automotive actuators.
Availability
MC33887PNBR2 is available at Aetrix Electronics and suitable for electronic throttle control, exhaust gas recirculation, and medical infusion pump designs requiring stable component supply, long-term automotive-grade lifecycle support, and traceable sourcing.
Supply support for MC33887PNBR2 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 leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in power management and functional safety.
The MC33887PNBR2 belongs to NXP's automotive-grade H-bridge portfolio, engineered specifically for high-reliability motor actuation in engine management, emissions control, and ADAS subsystems - emphasizing robustness, integrated diagnostics, and AEC-Q100 compliance.
FAQ
What is the maximum continuous output current rating for the MC33887PNBR2?
The MC33887PNBR2 is rated for 5.0 A continuous DC output current, provided junction temperature remains ≤150 °C under specified thermal conditions (e.g., RθJB ≈ 7.0 °C/W with HSOP20 mounted on a 4-layer board). Peak currents up to 7.8 A are supported via active current limiting, but sustained operation above 5.0 A requires careful thermal design and derating.
How does the current feedback (FB) pin function on the MC33887PNBR2?
The FB pin on the MC33887PNBR2 provides a ground-referenced constant-current output equal to 1/375th of the high-side load current (e.g., 1.33 mA at 500 mA load). This analog signal is directly compatible with standard microcontroller ADC inputs, enabling real-time torque estimation, open-load detection, and closed-loop speed control without external sensing components.
Does the MC33887PNBR2 support PWM motor control, and what is its maximum frequency?
Yes, the MC33887PNBR2 supports external PWM control of motor direction and speed, with verified operation up to 10 kHz. Its fast switching characteristics (tF/tR = 5.0 µs typ. at 3.0 A) and low propagation delays (tD(ON)/tD(OFF) = 18 µs max) ensure minimal distortion and efficient power delivery across the full PWM range.
What fault conditions does the FS pin report on the MC33887PNBR2?
The FS pin on the MC33887PNBR2 is an open-drain active-low output that asserts during three critical fault conditions: undervoltage (V+ < 4.15 V), overtemperature (junction >175 °C), and short-circuit (detected via ISCH = 11 A or ISCL = 8 A thresholds). The pin remains latched low until fault clearance and input reset, ensuring reliable system-level fault capture.
Is the MC33887PNBR2 qualified for automotive applications?
Yes, the MC33887PNBR2 is fully AEC-Q100 Grade 1 qualified, meaning it is tested and certified for operation from −40 °C to +125 °C ambient temperature and meets rigorous automotive reliability standards including ESD (±2 kV HBM), thermal cycling, and accelerated lifetime testing - making it suitable for engine control, transmission, and chassis applications.
MC33887PNBR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 36-PowerQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Motor Type - Stepper:
- -
- Motor Type - AC, DC:
- Brushed DC
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- Half Bridge (2)
- Interface:
- Parallel
- Technology:
- Power MOSFET
- Step Resolution:
- -
- Applications:
- General Purpose
- Current - Output:
- 5A
- Voltage - Supply:
- 5V ~ 28V
- Voltage - Load:
- 5V ~ 28V
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 36-PWR QFN (9x9)
MC33887PNBR2 FAQ
1.How can I place an order for MC33887PNBR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC33887PNBR2 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 MC33887PNBR2 reliable?
The price and inventory of MC33887PNBR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC33887PNBR2 is usually 5 days.
3.What payment methods are accepted for MC33887PNBR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC33887PNBR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC33887PNBR2?
MC33887PNBR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC33887PNBR2 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 MC33887PNBR2?
For technical support, including MC33887PNBR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC33887PNBR2 requirements.
6.How does Aetrix verify that MC33887PNBR2 is sourced from the original manufacturer or authorized distributors?
All MC33887PNBR2 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 MC33887PNBR2 meets industry standards.
7.What is the process for return or replacement of MC33887PNBR2?
All MC33887PNBR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC33887PNBR2, 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 MC33887PNBR2 part is unused and in its original packaging.
Return procedure for MC33887PNBR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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