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NXP Semiconductors MPC17531AEV
- Part No.:
- MPC17531AEV
- Manufacturer:
- NXP Semiconductors
- Category:
- Motor Drivers, Controllers
- Package:
- 20-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
MPC17531AEV.pdf
- Description:
- IC MTR DRV BIPLR 2.7-3.6V 20VMFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,623
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Product details
Overview
MPC17531AEV from NXP Semiconductors is a monolithic dual H-bridge motor driver IC designed for portable bipolar stepper and brushed DC motor control, featuring 700 mA continuous output current per bridge, 1.2 Ω max RDS(on) at 25 °C, and 3.0 V logic-compatible inputs. It operates from 2.0–8.6 V motor supply using an internal charge pump and supports four discrete operating modes: Forward, Reverse, Brake, and Tri-state - enabling precise bidirectional motion control in camera lens actuators and disk drive head positioners.
For engineers reviewing the MPC17531AEV datasheet, MPC17531AEV pinout, MPC17531AEV application, or MPC17531AEV equivalent, key selection considerations include its 20-pin VMFP package, independent PWM control up to 200 kHz per bridge, built-in shoot-through protection, undervoltage shutdown, and power-save mode drawing ≤2.0 μA - all critical for battery-powered micro-motor systems requiring low quiescent power and robust fault handling.
Technical Context
The MPC17531AEV integrates two fully independent H-bridge channels with SMARTMOS technology, each driven by a dedicated predriver powered by an internal triple charge pump (VCRES ≈ 3×VDD). Its logic interface accepts 3.0 V–compatible signals (VIH ≥ 0.7×VDD), and the PSAVE pin enables global high-impedance state with full charge pump and detection circuit shutdown.
Each bridge supports independent PWM modulation up to 200 kHz with propagation delays under 0.5 μs (tPLH/tPHL) and features integrated shoot-through prevention via interlock logic and undervoltage lockout (VDDDET = 1.0–2.5 V). The device requires external 0.1 μF bucket capacitors on C1L/C1H and C2L/C2H for stable gate drive generation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 0.7 A DC per bridge - sufficient to drive small bipolar stepper motors (e.g., 2-phase, 10–20 Ω phase) or brushed DC micromotors in optical positioning systems. |
| RDS(on) | 0.8 Ω typ / 1.2 Ω max at 25 °C - minimizes conduction loss and thermal rise during continuous operation at rated current. |
| PWM Frequency Support | Up to 200 kHz - enables fine-grained speed/torque control and current regulation without audible noise in sensitive applications. |
| Logic Supply Range | 2.7–3.6 V - compatible with 3.0 V microcontrollers and low-power MCUs without level-shifting. |
| Charge Pump Voltage | VCRES ≈ 12–13.5 V - ensures full enhancement of high-side MOSFETs even when VM = 5.0 V and VDD = 3.0 V. |
| Power-Save Current | ≤2.0 μA - extends battery life in standby mode for portable imaging devices between actuation cycles. |
| Undervoltage Threshold | 1.0–2.5 V (VDDDET) - disables outputs before logic corruption occurs, preventing erratic motor behavior during brownout. |
Pinout & Package
Package: 20-pin Very Thin Mini Flat Package (VMFP), Pb-free, exposed pad not present (unlike TSSOP variant). Dimensions per NXP drawing 98ASA10616D.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Logic Supply Input | 3.0 V MCU interface power; powers internal logic and triggers undervoltage shutdown if below 1.0 V. |
| IN1A, IN1B, IN2A, IN2B | Bridge Control Inputs | Direct TTL/CMOS logic control of H-bridge states; truth table defines Forward/Reverse/Brake/Tri-state per channel. |
| PSAVE | Global Power-Save Enable | High-level active input forcing all four outputs into high-impedance state and disabling charge pump to reduce IQ to ≤2.0 μA. |
| OUT1A, OUT1B, OUT2A, OUT2B | H-Bridge Outputs | Low-RDS(on) NMOS/PMOS outputs capable of sourcing/sinking 0.7 A; require external snubbing for inductive kickback. |
| VM1, VM2 | Motor Supply Inputs | Must be tied together externally; supply 2.0–8.6 V to power both bridges; voltage determines maximum output swing. |
| C1H, C1L, C2H, C2L | Charge Pump Capacitor Terminals | Connect 0.1 μF ceramic capacitors per pair to generate VCRES ≈ 3×VDD for high-side gate drive. |
| CRES | Charge Pump Output | Internal predriver supply rail (~12–13.5 V); must be decoupled to PGND with 0.01–1.0 μF capacitor. |
| PGND1, PGND2, LGND | Ground Returns | PGND pins carry high-current return paths; LGND is low-noise logic reference - separate routing recommended. |
Key Features
| Feature | Design Value |
|---|---|
| Independent Dual H-Bridge Control | Each bridge (OUT1A/B and OUT2A/B) accepts separate INx logic inputs, enabling simultaneous but distinct motion profiles - e.g., focus + zoom in camera modules. |
| Integrated Triple Charge Pump | Generates ~13 V gate drive from 3.0 V logic supply, eliminating need for external high-voltage bias and ensuring reliable high-side FET turn-on at VM = 5.0 V. |
| Shoot-Through Protection | Hardware interlock prevents simultaneous high-side/low-side FET conduction, avoiding destructive shoot-through current during switching transitions. |
| Tri-State Mode with Fast Recovery | PSAVE-driven high-Z state engages in <3 ms (tVGON = 1–3 ms), allowing rapid reactivation without charge pump warm-up delay. |
| Low-Power Standby | Power-save mode draws ≤2.0 μA total supply current - critical for always-on optical sensors or battery-operated medical endoscopes. |
Applications
| Camera Lens Actuator | Disk Drive Head Positioner |
|---|---|
|
Use Scenario: Precise linear movement of autofocus lens elements in compact digital cameras and smartphone modules. IC Role / Device Role / Timing Role: Dual H-bridge driver controlling bipolar stepper motor phases with microstep-capable PWM timing up to 200 kHz. Use Value: Low RDS(on) (0.8 Ω typ) minimizes heat in space-constrained lens barrels; 3.0 V logic compatibility eliminates level shifters for modern low-voltage image processors. |
Use Scenario: Rapid, repeatable positioning of read/write heads in portable HDDs and optical drives. IC Role / Device Role / Timing Role: Bidirectional DC motor driver delivering controlled acceleration/deceleration via independent PWM on each bridge. Use Value: Built-in undervoltage shutdown prevents head crash during battery sag; shoot-through protection ensures reliability across 10⁶+ positioning cycles. |
| Portable Medical Endoscope | Barcode Scanner Motor Control |
|
Use Scenario: Smooth articulation of distal tip in handheld diagnostic scopes powered by coin-cell or Li-ion batteries. IC Role / Device Role / Timing Role: Low-quiescent-current H-bridge enabling intermittent actuation with <2.0 μA standby draw between movements. Use Value: Power-save mode extends operational time per charge; compact 20-pin VMFP footprint fits tight PCB real estate near motor connectors. |
Use Scenario: High-speed oscillation of laser diode mirror in handheld barcode scanners. IC Role / Device Role / Timing Role: PWM-driven brushed DC motor controller delivering consistent 200 Hz–1 kHz scanning frequency. Use Value: 200 kHz PWM support allows clean current regulation without audible whine; low RDS(on) reduces thermal load in sealed plastic housings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual H-bridge motor driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TB6612FNG | Higher 1.2 A output current, 0.65 Ω RDS(on), but requires 4.5–13.5 V VDD and lacks integrated charge pump - needs external 5 V logic supply. | Better suited for 5 V MCU systems driving larger motors; unsuitable for direct 3.0 V logic interfacing without level shifters. | Select when higher current or lower RDS(on) is required and 5 V logic infrastructure exists. |
| DRV8833 | Lower 1.5 A peak current, 0.3 Ω RDS(on), no charge pump, 2.7–10.8 V VM range, but only supports 1.8–7 V logic - true 3.0 V compatible. | Smaller footprint (16-pin QFN), lower thermal resistance, but lacks undervoltage shutdown and shoot-through protection. | Prefer for space-constrained designs where fault protection is handled at system level and 3.0 V logic is mandatory. |
Compared with TB6612FNG and DRV8833, the MPC17531AEV uniquely combines 3.0 V logic compatibility, integrated charge pump, and hardware shoot-through protection in a 20-pin VMFP package - making it optimal for ultra-low-power portable imaging systems where board space, supply simplicity, and safety-critical reliability are jointly prioritized.
Availability
MPC17531AEV is available at Aetrix Electronics and suitable for camera lens actuators, disk drive head positioners, portable medical endoscopes, and barcode scanner motor control requiring stable component supply across long-lifecycle consumer and industrial programs.
Supply support for MPC17531AEV 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 core expertise in analog, power management, and mixed-signal ICs.
The MPC17531AEV belongs to NXP's SMARTMOS motor driver family, engineered specifically for low-voltage, low-power portable motion control - emphasizing integration, fault resilience, and minimal external component count in space- and energy-constrained designs.
FAQ
What is the maximum motor supply voltage supported by the MPC17531AEV?
The MPC17531AEV supports a motor supply voltage (VM) range of 2.0 V to 8.6 V when using the internal charge pump. This upper limit ensures safe operation of the internal predriver circuitry while maintaining gate drive margin. Exceeding 8.6 V risks violating the VCRES maximum rating of 13.5 V and may cause permanent damage. For applications requiring >8.6 V VM, external VCRES must be applied - but the MPC17531AEV datasheet specifies VCRES must remain ≤14.0 V regardless of source.
Does the MPC17531AEV require external capacitors, and if so, what values?
Yes, the MPC17531AEV requires four external ceramic capacitors: two 0.1 μF bucket capacitors (one across C1H–C1L, another across C2H–C2L) and one 0.01–1.0 μF decoupling capacitor between CRES and PGND. These values are specified in Table 4 (CCP) and Figure 7 of the datasheet. Using 0.1 μF for bucket caps ensures stable charge pump operation at full load; deviation outside the 0.01–1.0 μF CRES range may cause gate drive instability or increased switching losses in the MPC17531AEV.
How does the PSAVE pin function in the MPC17531AEV, and what is its effect on power consumption?
The PSAVE pin on the MPC17531AEV is a high-active enable that forces all four H-bridge outputs (OUT1A/B, OUT2A/B) into high-impedance state and shuts down the internal charge pump and undervoltage detection circuitry. In this mode, the MPC17531AEV draws ≤2.0 μA total supply current (IQVDD-PSAVE), as confirmed in Table 4. This ultra-low quiescent current extends battery life significantly during idle periods - essential for portable imaging devices where actuation is infrequent but response time must remain fast (tVGON = 1–3 ms).
Can the MPC17531AEV drive a bipolar stepper motor, and how are the phases connected?
Yes, the MPC17531AEV is explicitly designed to drive one bipolar stepper motor using its two independent H-bridges. Phase A connects between OUT1A and OUT1B; Phase B connects between OUT2A and OUT2B. Each bridge is controlled by its respective INx pair (IN1A/IN1B for Phase A, IN2A/IN2B for Phase B) per the truth table in Figure 6. The MPC17531AEV supports full-step, half-step, and microstepping via synchronized PWM on both bridges - enabling smooth, quiet positioning in camera autofocus mechanisms.
What protection features are built into the MPC17531AEV, and how do they operate?
The MPC17531AEV integrates three hardware protection features: (1) Shoot-through current protection - logic interlock prevents simultaneous high-side/low-side FET conduction; (2) Undervoltage shutdown - disables outputs when VDD drops below 1.0–2.5 V (VDDDET window) to prevent logic glitches; (3) Thermal shutdown - inherent in SMARTMOS process, activated above TJ = 150 °C. All operate autonomously without software intervention, ensuring fail-safe motor control in the MPC17531AEV during fault conditions.
MPC17531AEV Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 20-SSOP (0.209", 5.30mm Width)
- Packaging:
- Tube
- 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 (4)
- Interface:
- Parallel
- Technology:
- Power MOSFET
- Step Resolution:
- -
- Applications:
- Battery Powered
- Current - Output:
- 700mA
- Voltage - Supply:
- 2.7V ~ 3.6V
- Voltage - Load:
- 2V ~ 8.6V
- Operating Temperature:
- -20°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-VMFP
MPC17531AEV FAQ
1.How can I place an order for MPC17531AEV through Aetrix?
Please submit a Request for Quotation (RFQ) for MPC17531AEV 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 MPC17531AEV reliable?
The price and inventory of MPC17531AEV are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPC17531AEV is usually 5 days.
3.What payment methods are accepted for MPC17531AEV?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPC17531AEV transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPC17531AEV?
MPC17531AEV orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPC17531AEV 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 MPC17531AEV?
For technical support, including MPC17531AEV datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPC17531AEV requirements.
6.How does Aetrix verify that MPC17531AEV is sourced from the original manufacturer or authorized distributors?
All MPC17531AEV 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 MPC17531AEV meets industry standards.
7.What is the process for return or replacement of MPC17531AEV?
All MPC17531AEV units undergo pre-shipment inspection (PSI). If there is an issue with MPC17531AEV, 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 MPC17531AEV part is unused and in its original packaging.
Return procedure for MPC17531AEV:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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