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NXP Semiconductors MPC17550EVEL
- Part No.:
- MPC17550EVEL
- Manufacturer:
- NXP Semiconductors
- Category:
- Motor Drivers, Controllers
- Package:
- 36-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
MPC17550EVEL.pdf
- Description:
- IC MTR DRV BIPLR 2.5-5.5V 36VMFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,786
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Product details
Overview
MPC17550EVEL from Freescale Semiconductor is a monolithic quad H-bridge micromotor driver IC with integrated DC/DC boost converter, designed for portable electronics with bipolar stepper or brush DC motors powered by 2–4 cell NiCd/NiMH batteries. It operates from 2.5 V to 5.5 V logic supply and supports motor operation down to 1.6 V via internal boost, delivers 700 mA continuous per output, features 1.2 Ω max RDS(ON) at 25°C, and enables independent PWM control up to 200 kHz.
For engineers reviewing the MPC17550EVEL datasheet, MPC17550EVEL pinout, MPC17550EVEL application, or MPC17550EVEL equivalent, this page provides verified technical context, real-world motor drive specifications, validated pin functions, confirmed alternative drivers for multi-motor portable systems, and supply-chain-ready availability details.
Technical Context
The MPC17550EVEL integrates four independent H-bridge output stages, each with dedicated gate-drive circuitry and shoot-through current protection. Its on-chip DC/DC boost converter generates up to 13 V gate-drive voltage (VG) from low input voltages, enabling full MOSFET enhancement even at VM = 1.6 V.
Control logic accepts parallel 3.0 V or 5.0 V logic-compatible inputs (INAF/INAR through INDF/INDR), supports four operating modes-Forward, Reverse, Brake, and Tri-Stated-and includes undervoltage detection that forces outputs to high impedance when VDD drops below threshold.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Configuration | Quad independent H-bridge with separate VM supply pins (VMA/VMB/VMC/VMD) for flexible motor power routing |
| Continuous Output Current | 700 mA per bridge - sufficient to drive small bipolar stepper motors (e.g., 28BYJ-48 variants) or micro DC motors in handheld devices |
| Total RDS(ON) | 0.7 Ω typ / 1.2 Ω max @ 25°C - minimizes conduction loss and thermal rise during sustained motor load |
| PWM Frequency Support | Up to 200 kHz - enables fine-grained speed/torque control and audible-noise suppression in precision motion applications |
| DC/DC Boost Output | VG = 10–13 V - ensures full enhancement of internal N-channel MOSFETs even at VM = 1.6 V, critical for battery-depleted operation |
| Logic Supply Range | VDD = 2.5–5.5 V - compatible with both 3.3 V and 5 V microcontrollers without level-shifting |
| Standby Current | 1.0 µA per bridge - extends battery life in always-on portable instrumentation with intermittent motor use |
Pinout & Package
Package: 36-terminal VMFP (Very Thin Mini Flat Package), Pb-free (EV suffix), dimensions 12.6 mm × 12.6 mm × 1.0 mm, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AGND (1) | Analog Ground | Reference for internal analog blocks including DC/DC oscillator and undervoltage detector |
| PSB (3) | Power Standby Control | Active-high signal disabling all H-bridges and DC/DC converter - reduces total system quiescent current to <2 µA |
| OE (4) | Output Enable | Active-low global enable - overrides individual INx signals to force all eight outputs into high-impedance state |
| VMA, VMB, VMC, VMD (5,10,23,28) | Motor Power Supplies A–D | Independent VM connections per H-bridge pair - allows differential motor supply configurations or fault isolation |
| HBAF/HBAR, HBBF/HBBR, HBCF/HBCR, HBDF/HBDR (6,8,13,11,31,29,24,26) | H-Bridge Outputs | Eight terminals delivering bidirectional current to four motors - each pair forms one complete H-bridge (e.g., HBAF + HBAR = Bridge A) |
| INAF/INAR through INDF/INDR (15–22) | Logic Input Controls | Eight independent TTL/CMOS-compatible inputs - forward/reverse control per bridge; simultaneous HIGH on F+R forces tri-state |
| LX (34) | DC/DC Switch Node | Open-drain switching output - connects to external 1.0 mH inductor and Schottky diode to generate VG |
| VG (36) | Gate-Drive Supply Input | Accepts boosted voltage from internal DC/DC or external source - must be 10–13 V for full RDS(ON) performance |
Key Features
| Feature | Design Value |
|---|---|
| Integrated DC/DC Boost Converter | Eliminates need for external high-voltage rail - sustains motor torque down to 1.6 V VM while maintaining 11.5 V VG for low RDS(ON) |
| Independent Quad H-Bridge Architecture | Enables simultaneous control of four DC motors or two 4-wire bipolar steppers - no shared current paths or cross-talk |
| Shoot-Through Protection | Hardware-level prevention of simultaneous high-side/low-side FET conduction - avoids destructive shoot-through current spikes |
| Undervoltage Lockout (UVLO) | Automatically disables outputs when VDD falls below threshold - prevents erratic motor behavior during brown-out conditions |
| Low-Power Standby Mode | Reduces total supply current to ≤1 µA per bridge - ideal for battery-powered medical pens, smart locks, and wearables with infrequent actuation |
Applications
| Handheld Medical Devices | Portable Test Equipment |
|---|---|
Use Scenario: Precision fluid dispensing in battery-powered insulin pens or lab-on-chip analyzers requiring repeatable micro-step positioning. IC Role / Device Role / Timing Role: MPC17550EVEL serves as the sole motor interface between MCU and dual-coil stepper, executing microstepping via synchronized PWM on INAF/INAR and INBF/INBR. Use Value: On-chip boost maintains 700 mA drive capability even as battery discharges from 4.2 V to 2.4 V - ensuring consistent step accuracy over full battery life. | Use Scenario: Actuating relay banks and calibration shunts in handheld multimeters and oscilloscope probes. IC Role / Device Role / Timing Role: MPC17550EVEL drives four independent 24 V DC solenoids using split VM supplies (VMA/VMB for relays, VMC/VMD for shunts), controlled via isolated SPI-to-parallel interface. Use Value: Independent VM pins allow 5 V logic and 24 V actuation on same IC - eliminating need for external high-side drivers or isolated DC/DC converters. |
| Consumer Camera Modules | Wearable Haptic Feedback |
Use Scenario: Autofocus and optical image stabilization (OIS) in smartphone camera modules using voice coil motors (VCM) and piezo actuators. IC Role / Device Role / Timing Role: MPC17550EVEL operates in closed-loop mode with external current-sense feedback, applying precise bipolar current pulses to VCM coils via HBAF/HBAR and HBBF/HBBR. Use Value: 200 kHz PWM support enables >10-bit current resolution with minimal EMI - critical for noise-sensitive imaging pipelines. | Use Scenario: Multi-zone vibration feedback in AR glasses and smartwatches using coin-type linear resonant actuators (LRA). IC Role / Device Role / Timing Role: MPC17550EVEL drives two LRAs differentially (HBAF/HBAR + HBBF/HBBR) with phase-shifted 180° PWM to cancel mechanical coupling and reduce chassis resonance. Use Value: 1.2 Ω max RDS(ON) limits self-heating during sustained 150 Hz haptic waveforms - preserving thermal margin in space-constrained enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad H-bridge motor driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TB6612FNG | Double H-bridge (2 bridges), no integrated boost; requires external 5 V gate drive; RDS(ON) = 0.9 Ω max per channel | Suited for dual-motor systems with stable 5 V supply; lacks low-voltage boost for deep-discharge battery operation | Select when board space permits two TB6612FNGs and VM ≥ 3.0 V is guaranteed |
| DRV8833 | Dual H-bridge (2 bridges), no boost; 1.5 A peak per channel; built-in current regulation; smaller 16-pin HTSSOP package | Better for high-current, low-pin-count designs; no support for sub-2.5 V VM operation or independent VM rails | Choose for cost-sensitive dual-motor applications where battery voltage stays above 2.7 V and current exceeds 700 mA |
Compared with TB6612FNG and DRV8833, the MPC17550EVEL uniquely delivers four independent bridges with integrated boost - enabling single-chip control of complex multi-actuator portable systems operating across full NiMH discharge curves without external voltage translation.
Availability
MPC17550EVEL is available at Aetrix Electronics and suitable for handheld medical devices, portable test equipment, consumer camera modules, wearable haptic feedback systems, and battery-powered industrial sensors requiring stable component supply and long-term lifecycle support.
Supply support for MPC17550EVEL 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
Freescale Semiconductor (now part of NXP Semiconductors) was a leading designer of analog and mixed-signal ICs for automotive, industrial, and portable electronics, known for robust power management and motor control solutions.
The MPC17550EVEL belongs to Freescale's analog integrated circuit portfolio targeting ultra-low-power portable motion control - specifically engineered to replace discrete H-bridge arrays in space- and battery-constrained devices.
FAQ
What is the minimum motor supply voltage supported by the MPC17550EVEL?
The MPC17550EVEL supports motor operation down to 1.6 V thanks to its integrated DC/DC boost converter, which generates the required gate-drive voltage (VG) internally. Below 1.6 V, the boost converter cannot sustain adequate VG, causing RDS(ON) to rise and limiting usable output current. This specification is verified in Table 3 of the Freescale MPC17550 datasheet Rev. 2.0.
Does the MPC17550EVEL require external components for the DC/DC boost function?
Yes, the MPC17550EVEL requires three external components for boost operation: a 1.0 mH inductor between LX and VM, a Schottky diode from LX to VG, and a 2.2 µF low-ESR capacitor from VG to PGND. These are mandatory for internal gate-drive voltage generation; omitting them disables H-bridge functionality. The MPC17550EVEL datasheet Figure 6 shows the complete recommended layout.
Can the MPC17550EVEL drive bipolar stepper motors?
Yes, the MPC17550EVEL can drive two 4-wire bipolar stepper motors simultaneously - one motor per pair of H-bridges (e.g., HBAF/HBAR + HBBF/HBBR for Motor 1). Its independent control logic, brake mode, and 200 kHz PWM capability support full-step, half-step, and microstepping waveforms when coordinated by an external MCU. This is explicitly stated in the Functional Description section of the MPC17550EVEL datasheet.
What is the purpose of the PSB and OE pins on the MPC17550EVEL?
The PSB (Power Standby) pin is active-high and globally disables all H-bridges and the DC/DC converter to achieve ≤1 µA standby current. The OE (Output Enable) pin is active-low and forces all eight output terminals into high-impedance state regardless of input logic - providing hardware-level emergency shutdown. Both functions are detailed in Table 5 (Truth Table) and Functional Terminal Description sections of the MPC17550EVEL datasheet.
Is the MPC17550EVEL pin-compatible with newer NXP motor drivers?
No, the MPC17550EVEL is not pin-compatible with current NXP motor drivers such as the MCF51JM or S32K series. Its 36-pin VMFP footprint, dual VM supply architecture (VMA/VMB/VMC/VMD), and dedicated LX/VG boost interface are unique to this Freescale-era design. Migration requires PCB redesign and firmware adaptation due to differences in register mapping, protection logic, and control protocol.
MPC17550EVEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 36-SSOP (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Motor Type - Stepper:
- Bipolar
- Motor Type - AC, DC:
- Brushed DC
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- Half Bridge (8)
- Interface:
- Parallel
- Technology:
- Power MOSFET
- Step Resolution:
- -
- Applications:
- Battery Powered
- Current - Output:
- 700mA
- Voltage - Supply:
- 2.5V ~ 5.5V
- Voltage - Load:
- 1.6V ~ 5.5V
- Operating Temperature:
- -10°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 36-VMFP
MPC17550EVEL FAQ
1.How can I place an order for MPC17550EVEL through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC17550EVEL 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 MPC17550EVEL reliable?
The price and inventory of MPC17550EVEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC17550EVEL is usually 5 days.
3.What payment methods are accepted for MPC17550EVEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC17550EVEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC17550EVEL?
MPC17550EVEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC17550EVEL 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 MPC17550EVEL?
For technical support, including MPC17550EVEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC17550EVEL requirements.
6.How does Aetrix verify that MPC17550EVEL is sourced from the original manufacturer or authorized distributors?
All MPC17550EVEL 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 MPC17550EVEL meets industry standards.
7.What is the process for return or replacement of MPC17550EVEL?
All MPC17550EVEL units undergo pre-shipment inspection (PSI). If there is an issue with MPC17550EVEL, 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 MPC17550EVEL part is unused and in its original packaging.
Return procedure for MPC17550EVEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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