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Monolithic Power Systems Inc. MPQ7200AGLE-AEC1-P
- Part No.:
- MPQ7200AGLE-AEC1-P
- Manufacturer:
- Monolithic Power Systems Inc.
- Category:
- LED Drivers
- Package:
- 19-PowerVFQFN
- Datasheet:
-
MPQ7200AGLE-AEC1-P.pdf
- Description:
- 42V, 1.2A BUCK-BOOST OR 3A BUCK,
- Quantity:
- Payment:
- Shipping:
Inventory:465
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Product details
Overview
MPQ7200AGLE-AEC1-P from Monolithic Power Systems is an AEC-Q100 Grade 1 qualified synchronous buck-boost or buck LED driver IC with integrated 44mΩ/40mΩ MOSFETs, delivering up to 1.2A continuous output in buck-boost mode or 3A in buck mode across 6V–42V input, operating at 410kHz with spread-spectrum FSS, and featuring fault-indicated OCP/OVP/UVP/thermal derating/shutdown.
For engineers reviewing the MPQ7200AGLE-AEC1-P datasheet, MPQ7200AGLE-AEC1-P pinout, MPQ7200AGLE-AEC1-P application, or MPQ7200AGLE-AEC1-P equivalent, this device supports automotive LED lighting design requiring high-current precision dimming, wide-input resilience, thermal robustness, and fault diagnostics in compact QFN-19 (3mm×4mm) wettable flank packaging.
Technical Context
The MPQ7200AGLE-AEC1-P implements constant-frequency hysteretic control for fast transient response without loop compensation, using band-gap reference-based current regulation and configurable two-step dimming via DUTY pin resistor setting (5–15% duty, 1% steps). Its dual-mode topology selection (buck vs. buck-boost) is determined by RIREF resistor value: ≤9.09kΩ enables buck-boost; ≥14.7kΩ selects buck.
It integrates full protection logic-including LED short-to-GND/battery, LED open, output OVP (20.5V typ), UVLO (6V rising), thermal derating (NTC-based), and latch-off OCP-with active-low FAULT signaling. The internal VCC regulator supplies gate drivers and logic, requiring ≥3µF decoupling capacitance close to the VCC pin.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 6V to 42V - supports full automotive battery range including load dump (42V max) and cold-crank conditions. |
| LED Output Current | Up to 1.2A (buck-boost) or 3A (buck) - set via external ISET resistor with ±5% accuracy over 700mA–1.2A (BB) or 1A–2A (buck). |
| Switching Frequency | 410kHz nominal with ±10% spread spectrum - reduces EMI peak emissions and simplifies filtering. |
| Internal MOSFET RDS(on) | 44mΩ (HS) / 40mΩ (LS) - enables high efficiency (>94% at 13.5V, 2A, 2 LEDs) and low thermal dissipation. |
| Dimming Support | PWM dimming (100Hz–2kHz) + internal 500Hz two-step dimming - provides flexible brightness control without external controller. |
| Thermal Protection | Configurable NTC-based thermal derating + 170°C typical thermal shutdown - ensures safe operation under sustained overload or ambient stress. |
| AEC-Q100 Qualification | Grade 1 (−40°C to +125°C ambient, TJ up to +150°C) - validated for under-hood automotive LED lighting applications. |
Pinout & Package
MPQ7200AGLE-AEC1-P is housed in a space-saving QFN-19 (3mm × 4mm) package with wettable flanks for automated optical inspection (AOI) and enhanced solder joint reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 DUTY | Two-step dimming duty configuration | Resistor-to-ground sets 5–15% dimming duty cycle; open/short causes latch-off and FAULT assertion. |
| 3 EN/DIM | Enable and PWM dimming input | Pull >2.5V for full-on; apply 100Hz–2kHz signal for PWM dimming; configures topology during startup edge. |
| 4,13 VIN | Main power input | Accepts 6V–42V supply; requires local CIN decoupling; supports load dump up to 42V. |
| 5,6,11,12 PGND | Power ground return | Reference for HS/LS MOSFETs, BST, SW, and configuration pins; critical for thermal and EMI layout. |
| 7 BST | Bootstrap supply node | Connects external capacitor between BST and SW to drive high-side MOSFET gate; resistor optional for EMI reduction. |
| 8,9 SW | Switch node | Drives external inductor; small PCB trace minimizes ringing; connects to BST capacitor and inductor. |
| 10 FAULT | Open-drain fault indicator | Pulls low on LED short/open, OVP, UVP, OCP, or thermal fault; includes 300kΩ pull-up to VIN. |
| 14 INGND | Buck-boost topology ground reference | Must be isolated from PGND in buck-boost mode; tied to PGND/AGND in buck mode. |
| 15 AGND | Analog ground reference | Reference for ISET, IREF, NTC, DUTY; connect externally to PGND with low-impedance trace. |
| 16 VCC | Internal bias supply | Regulated ~5.1V output; requires ≥3µF X7R ceramic cap placed adjacent to pin for stable gate driving. |
| 17 IREF | Topology selection & NTC reference | Resistor value selects buck (≥14.7kΩ) or buck-boost (≤9.09kΩ); sets NTC current scaling (5× or 50×). |
| 18 ISET | LED current programming | Resistor-to-ground sets average LED current; open/short triggers FAULT latch-off. |
| 19 NTC | Remote temperature sensing input | Connects NTC/resistor network to enable thermal derating; protected against shorts to all rails. |
Key Features
| Feature | Design Value |
|---|---|
| Configurable topology | Buck-boost (1.2A) or buck (3A) mode selected by single IREF resistor - eliminates need for separate part numbers. |
| No external current sense resistor | Integrated current sensing achieves ±5% LED current accuracy - reduces BOM count and PCB area. |
| EMI-optimized switching | 410kHz base frequency with ±10% spread spectrum and adjustable minimum on/off times - meets CISPR 25 Class 5 requirements. |
| Comprehensive fault coverage | Detects LED short (to GND/battery), open, OVP (20.5V), UVP (1.35V), OCP, and thermal events - all reported via FAULT pin. |
| Automotive-grade thermal management | NTC-based thermal derating with programmable start point and 170°C thermal shutdown - supports under-hood reliability. |
Applications
| Turn Indicator Lights | Daytime Running Lights (DRLs) |
|---|---|
|
Use Scenario: High-reliability flashing LED arrays in front/rear vehicle corners subjected to vibration, thermal cycling, and voltage transients. IC Role / Device Role / Timing Role: Constant-current LED driver with PWM dimming and fault reporting, enabling synchronized flash timing and open-circuit detection. Use Value: Eliminates discrete current-setting resistors and external fault monitoring, reducing component count while ensuring fail-safe blinker operation per UNECE R6. |
Use Scenario: Always-on forward-facing LED modules operating continuously at partial brightness during daylight hours. IC Role / Device Role / Timing Role: Buck-mode LED driver delivering stable 2A output with 500Hz two-step dimming for adaptive brightness control. Use Value: Maintains consistent luminance across 6V–16V battery range and ambient temperatures from −40°C to +85°C without recalibration. |
| Fog Lights | Rear Lights |
|
Use Scenario: High-intensity auxiliary lighting activated in low-visibility conditions, demanding high current and thermal resilience. IC Role / Device Role / Timing Role: Buck-boost driver delivering 1.2A to 4-LED strings (12V VLED) with thermal derating triggered by NTC feedback. Use Value: Sustains rated output under hood temperatures up to +105°C ambient, with automatic current reduction before thermal shutdown. |
Use Scenario: Combined brake/tail/turn functions in rear lamp assemblies requiring independent current control per channel. IC Role / Device Role / Timing Role: Fault-aware LED driver with FAULT pin interfaced to microcontroller for real-time LED status reporting. Use Value: Enables OEM diagnostic trouble code (DTC) generation for open/short LED faults, supporting ISO 14229 compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LED driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPQ7200GQ-AEC1-Z | Same die, QFN-20 (4mm×4mm) package without wettable flanks; no DUTY pin - lacks two-step dimming. | Suitable for non-dimming or externally controlled PWM systems where AOI is not required. | Select when board-level AOI is unnecessary and footprint size is less constrained than lead coplanarity. |
| LM3409QMY/NOPB | External MOSFET controller (no integrated FETs); 1.25MHz fixed frequency; no spread spectrum or NTC interface. | Requires external high-side switch and separate thermal monitoring circuitry. | Choose only if higher switching frequency or discrete FET optimization is prioritized over integration and automotive qualification depth. |
Compared with MPQ7200GQ-AEC1-Z, the MPQ7200AGLE-AEC1-P adds wettable flanks for solder-joint inspection and two-step dimming; versus LM3409QMY/NOPB, it delivers full integration, AEC-Q100 Grade 1 validation, and embedded thermal management - reducing system-level design effort and test complexity.
Availability
MPQ7200AGLE-AEC1-P is available at Aetrix Electronics and suitable for turn indicator lights, daytime running lights (DRLs), and fog lights requiring stable component supply, automotive-grade lifecycle assurance, and RoHS-compliant manufacturing.
Supply support for MPQ7200AGLE-AEC1-P 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, with core expertise in DC-DC conversion, LED drivers, and motor control solutions.
The MPQ7200A product line targets automotive exterior lighting applications, designed to replace discrete LED driver solutions with integrated, AEC-Q100-qualified ICs that simplify thermal, EMI, and functional safety compliance.
FAQ
What topology configurations does MPQ7200AGLE-AEC1-P support?
The MPQ7200AGLE-AEC1-P supports both buck and buck-boost topologies. Mode selection is determined by the resistor value connected to the IREF pin: ≥14.7kΩ configures buck mode (up to 3A), while ≤9.09kΩ selects buck-boost mode (up to 1.2A). This dual-mode capability allows one IC to serve multiple LED string configurations without redesign.
How is LED current accuracy maintained across temperature and input voltage?
LED current accuracy is maintained at ±5% from 700mA to 1.2A (buck-boost) or 1A to 2A (buck) through internal band-gap referenced current sensing and closed-loop hysteretic control. Electrical characterization confirms <±3% variation over 8V–20V input and −40°C to +100°C junction temperature, as shown in Figures 15–17 of the datasheet.
Does MPQ7200AGLE-AEC1-P require external current-sense resistors?
No. The MPQ7200AGLE-AEC1-P uses integrated current sensing via its internal MOSFETs and ISET pin voltage reference (0.592V typ), eliminating the need for external sense resistors. This reduces power loss, PCB area, and BOM cost while improving accuracy stability across temperature.
What fault conditions trigger the FAULT pin, and how is recovery handled?
The FAULT pin asserts low for LED short (to GND or battery), LED open, output over-voltage (20.5V), under-voltage (1.35V), over-current, thermal derating activation, or thermal shutdown. Recovery requires cycling EN/DIM or power reset - the device latches off until re-enabled, preventing uncontrolled restart during fault persistence.
Can MPQ7200AGLE-AEC1-P operate with a 48V input transient?
No. The absolute maximum VIN rating is +50V, but the recommended operating maximum is 42V, aligned with ISO 7637-2 Load Dump Pulse 5a specification. Sustained operation above 42V risks damage; external TVS clamping is required for 48V transients beyond standard automotive test profiles.
Is the QFN-19 wettable flank package compatible with standard reflow profiles?
Yes. The MPQ7200AGLE-AEC1-P's QFN-19 (3mm×4mm) wettable flank package complies with IPC/JEDEC J-STD-020 moisture sensitivity level 1 and supports standard lead-free reflow profiles (peak 260°C). Wettable flanks enable reliable solder fillet inspection without x-ray, meeting automotive process audit requirements.
MPQ7200AGLE-AEC1-P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- 19-PowerVFQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- DC DC Regulator
- Topology:
- Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s):
- Yes
- Number of Outputs:
- 1
- Voltage - Supply (Min):
- 6V
- Voltage - Supply (Max):
- 42V
- Voltage - Output:
- -
- Current - Output / Channel:
- 1.2A, 3A
- Frequency:
- 410kHz
- Dimming:
- Analog, Multi-Step, PWM
- Applications:
- General Purpose
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 19-QFN (3x4)
MPQ7200AGLE-AEC1-P FAQ
1.How can I place an order for MPQ7200AGLE-AEC1-P through Aetrix?
Please submit a Request for Quotation (RFQ) for MPQ7200AGLE-AEC1-P 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 MPQ7200AGLE-AEC1-P reliable?
The price and inventory of MPQ7200AGLE-AEC1-P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPQ7200AGLE-AEC1-P is usually 5 days.
3.What payment methods are accepted for MPQ7200AGLE-AEC1-P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPQ7200AGLE-AEC1-P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPQ7200AGLE-AEC1-P?
MPQ7200AGLE-AEC1-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPQ7200AGLE-AEC1-P 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 MPQ7200AGLE-AEC1-P?
For technical support, including MPQ7200AGLE-AEC1-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPQ7200AGLE-AEC1-P requirements.
6.How does Aetrix verify that MPQ7200AGLE-AEC1-P is sourced from the original manufacturer or authorized distributors?
All MPQ7200AGLE-AEC1-P 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 MPQ7200AGLE-AEC1-P meets industry standards.
7.What is the process for return or replacement of MPQ7200AGLE-AEC1-P?
All MPQ7200AGLE-AEC1-P units undergo pre-shipment inspection (PSI). If there is an issue with MPQ7200AGLE-AEC1-P, 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 MPQ7200AGLE-AEC1-P part is unused and in its original packaging.
Return procedure for MPQ7200AGLE-AEC1-P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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