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Monolithic Power Systems Inc. MPQ7200AGLE-AEC1-Z
- Part No.:
- MPQ7200AGLE-AEC1-Z
- Manufacturer:
- Monolithic Power Systems Inc.
- Category:
- LED Drivers
- Package:
- 19-PowerVFQFN
- Datasheet:
-
MPQ7200AGLE-AEC1-Z.pdf
- Description:
- 42V, 1.2A BUCK-BOOST OR 3A BUCK,
- Quantity:
- Payment:
- Shipping:
Inventory:3,184
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Product details
Overview
MPQ7200AGLE-AEC1-Z 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 (buck-boost) or 3A (buck) constant LED current across 6V–42V input. It features 410kHz spread-spectrum switching, internal two-step dimming, and fault-indicated protection for automotive lighting systems including DRLs and turn indicators.
For engineers reviewing the MPQ7200AGLE-AEC1-Z datasheet, MPQ7200AGLE-AEC1-Z pinout, MPQ7200AGLE-AEC1-Z application, or MPQ7200AGLE-AEC1-Z equivalent, key selection considerations include its dual-mode topology configuration (via IREF resistor), ±10% spread-spectrum EMI reduction, 5% LED current accuracy over temperature, thermal derating via NTC interface, and wettable-flank QFN-19 package for automated optical inspection.
Technical Context
The MPQ7200AGLE-AEC1-Z uses constant-frequency hysteretic control with band-gap reference regulation, enabling fast transient response without external loop compensation. Its dual-mode operation is determined by resistor value on IREF: ≤9.09kΩ selects buck-boost mode (1.2A max), ≥14.7kΩ selects buck mode (3A max).
It integrates full protection including latch-off OCP, output OVP (20.5V typ), UVLO (6V rising), thermal shutdown (170°C typ), and LED open/short detection with active-low FAULT assertion. The 500Hz internal two-step dimming and PWM dimming support (100Hz–2kHz) are implemented via EN/DIM and DUTY pins with configurable duty cycle (5–15%).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Topology | Buck-boost (1.2A) or buck (3A) - selected by external IREF resistor value |
| Input Voltage Range | 6V to 42V - supports automotive battery transients including load dump up to 42V |
| Switching Frequency | 410kHz nominal with ±10% spread spectrum - reduces EMI peak emissions |
| LED Current Accuracy | ±5% from 700mA–1.2A (buck-boost) or 1A–2A (buck) - enables precise luminance control |
| Integrated MOSFET RDS(ON) | 44mΩ high-side / 40mΩ low-side - minimizes conduction loss and thermal stress |
| Thermal Protection | Configurable thermal derating + 170°C thermal shutdown - ensures safe operation under ambient extremes |
| AEC-Q100 Grade | Grade 1 (−40°C to +125°C ambient) - qualified for under-hood automotive applications |
Pinout & Package
MPQ7200AGLE-AEC1-Z is housed in a wettable-flank QFN-19 (3mm × 4mm) package optimized for solder-joint inspection and thermal dissipation. PGND pins (4, 6, 11, 12) and VIN (4, 13) are multi-pad for low-impedance power routing; BST (7) and SW (8, 9) require tight layout for gate drive integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 DUTY | Two-step dimming duty setting | Resistor-to-ground sets 5–15% duty cycle; open/short causes latch-off and FAULT assertion |
| 3 EN/DIM | Enable and PWM dimming input | Pull >2.5V for 100% brightness; apply 100Hz–2kHz signal for analog dimming; configures topology at first edge |
| 4, 13 VIN | Main power input | 6V–42V supply rail; requires local ceramic decoupling; wide trace recommended for transient handling |
| 5, 6, 11, 12 PGND | Power ground return | Reference for high-current paths (SW, VIN, BST); must be low-inductance copper pour tied to thermal pad |
| 7 BST | Bootstrap supply node | Connects to SW via capacitor; enables high-side MOSFET gate drive; resistor optional for EMI suppression |
| 8, 9 SW | Switch node | Drives external inductor; small PCB area and short trace minimize ringing and EMI coupling |
| 10 FAULT | Open-drain fault indicator | Pulls low on LED open/short, OVP, OTP, or OCP; internal 300kΩ pull-up to VIN; supports system-level fault logging |
| 14 INGND | Buck-boost topology ground | Isolated from PGND in buck-boost mode; tied to PGND/AGND only in buck configuration |
| 15 AGND | Analog reference ground | Reference for ISET, IREF, NTC, DUTY; connected to PGND via dedicated low-noise trace |
| 16 VCC | Internal bias supply | Regulated ~5.1V output; requires ≥3µF X7R ceramic cap placed adjacent to pin; powers control logic and drivers |
| 17 IREF | Mode selection and reference current source | Resistor value selects topology: ≤9.09kΩ → buck-boost; ≥14.7kΩ → buck; open/short triggers FAULT |
| 18 ISET | LED current programming | Resistor sets average LED current; 0.592V reference enables accurate current scaling (e.g., 13.3kΩ = 1.2A) |
| 19 NTC | Remote temperature sensing input | Interfaces with NTC network to initiate current derating at user-defined junction temperature thresholds |
Key Features
| Feature | Design Value |
|---|---|
| Configurable dual-mode topology | Select buck (3A) or buck-boost (1.2A) via single IREF resistor - eliminates BOM variants for platform reuse |
| Integrated power stage | 44mΩ/40mΩ MOSFETs reduce external component count and board space vs. controller-only solutions |
| Spread-spectrum switching | ±10% frequency dither around 410kHz lowers EMI peak amplitude - simplifies compliance testing |
| Two-step dimming | Internal 500Hz oscillator with 5–15% programmable duty cycle - enables dynamic brightness staging without MCU |
| Wettable-flank QFN-19 | 3mm × 4mm package with side-wettable leads - supports automated AOI for automotive-grade solder joint inspection |
| AEC-Q100 Grade 1 qualification | Validated for −40°C to +125°C ambient operation - meets requirements for front-end lighting modules |
Applications
| Turn Indicator Lights | Daytime Running Lights (DRLs) |
|---|---|
|
Use Scenario: High-reliability flashing illumination in automotive front/rear clusters subjected to vibration, thermal cycling, and battery voltage fluctuations. IC Role / Device Role / Timing Role: Constant-current LED driver with PWM dimming and fault reporting; implements flash timing via external MCU or internal two-step dimming. Use Value: 42V input tolerance withstands load dump events; FAULT pin enables real-time bulb-out detection; ±5% current accuracy ensures consistent flash intensity across units. |
Use Scenario: Always-on forward lighting system requiring stable luminance across engine start-stop cycles and varying alternator output (9–16V). IC Role / Device Role / Timing Role: Buck-mode LED driver operating from battery rail; maintains regulated 3A output despite input ripple and cold-crank dips to 6V. Use Value: 3A capability drives multi-LED strings; 410kHz switching enables compact magnetics; spread spectrum reduces conducted EMI into infotainment systems. |
| Fog Lights | Rear Lights |
|
Use Scenario: High-power auxiliary lighting activated in low-visibility conditions, demanding robust thermal management and overvoltage resilience. IC Role / Device Role / Timing Role: Buck-boost driver supporting wide LED string voltage (e.g., 12–36V) while maintaining 1.2A current from 12V–42V input. Use Value: Integrated 44mΩ/40mΩ MOSFETs limit die temperature rise; NTC interface enables progressive current derating above 105°C; 42V rating survives jump-start surges. |
Use Scenario: Combined stop/tail/turn functions in rear lamp assemblies where space, thermal density, and functional safety are critical. IC Role / Device Role / Timing Role: Dual-channel capable driver (with external circuitry) providing independent current control for brake (high-brightness) and tail (low-brightness) LEDs. Use Value: Two-step dimming provides seamless transition between tail (15%) and brake (100%) modes; FAULT reporting supports ASIL-B diagnostic coverage. |
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-P | Same die, QFN-20 (4mm×4mm) package without wettable flanks; no DUTY pin; fixed 500Hz two-step dimming | Lacks programmable dimming duty and wettable flank inspection capability; larger footprint | Select when AOI is not required and fixed dimming suffices; not drop-in due to pin count and package mismatch |
| LM3409QMY/NOPB | Controller-only (external MOSFETs); no integrated power stage; 1.25MHz max fSW; no spread spectrum or two-step dimming | Requires external high-side/low-side FETs and gate drivers; higher BOM cost and layout complexity | Choose for designs needing >3A output or custom MOSFET selection; lacks integrated protection and AEC-Q100 Grade 1 validation |
Compared with MPQ7200GQ-AEC1-P, the MPQ7200AGLE-AEC1-Z offers finer dimming control and automated solder inspection; versus LM3409QMY/NOPB, it delivers lower system cost and faster time-to-market via integration, but trades off flexibility in power stage optimization.
Availability
MPQ7200AGLE-AEC1-Z is available at Aetrix Electronics and suitable for automotive lighting systems, DRL modules, and exterior LED lamp assemblies requiring stable component supply, AEC-Q100 compliance, and production-ready packaging with wettable flanks.
Supply support for MPQ7200AGLE-AEC1-Z 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 for automotive, industrial, and consumer markets, with emphasis on integration and efficiency.
The MPQ7200A product line targets AEC-Q100-compliant automotive LED lighting, delivering integrated buck/buck-boost drivers that reduce external component count while meeting stringent EMI, thermal, and reliability requirements.
FAQ
What topology does MPQ7200AGLE-AEC1-Z operate in by default?
The device has no default topology-it is configured at power-up by the resistor value on the IREF pin: ≤9.09kΩ selects buck-boost mode (1.2A), ≥14.7kΩ selects buck mode (3A). No external configuration register or firmware is needed; detection occurs automatically during startup.
How is LED current accuracy maintained across temperature and input voltage?
MPQ7200AGLE-AEC1-Z achieves ±5% LED current accuracy from −40°C to +100°C and across 6V–42V input via precision band-gap reference, trimmed ISET voltage (0.592V ±1.2%), and constant-frequency hysteretic control-eliminating loop compensation drift and line/load regulation dependency.
Can the FAULT pin drive an LED directly for visual fault indication?
Yes-the FAULT pin is an open-drain output with internal 300kΩ pull-up to VIN and can sink up to 50mA at 12V. A series resistor (e.g., 1.2kΩ for ~10mA at 12V) and standard LED can be connected between VIN and FAULT to provide direct visual fault signaling without additional drivers.
What is the purpose of the DUTY pin, and what happens if it's left floating?
The DUTY pin sets the duty cycle for internal two-step dimming (5–15% in 1% steps) via a resistor to AGND. If left floating, the part detects an open condition before startup and latches off with FAULT asserted-preventing unintended operation and ensuring predictable failure mode.
Does MPQ7200AGLE-AEC1-Z support analog dimming in addition to PWM?
No-it does not support analog (DC) dimming. Dimming is implemented exclusively via PWM applied to the EN/DIM pin (100Hz–2kHz) or internal two-step dimming controlled by the DUTY pin. There is no current-scaling DAC or analog voltage input for brightness adjustment.
How does the NTC interface enable thermal derating?
The NTC pin sources current (925–1060μA) into an external NTC-resistor divider. When the resulting voltage crosses 1.25V (98% current) or 0.65V (76% current), the IC progressively reduces LED current to prevent thermal runaway-providing programmable, continuous derating rather than abrupt shutdown.
Is the QFN-19 package RoHS and lead-free compliant?
Yes-MPQ7200AGLE-AEC1-Z is fully lead-free, halogen-free, and RoHS-compliant per EU Directive 2011/65/EU. MPS confirms green status on its Quality Assurance portal, and the wettable flank plating is compatible with standard Pb-free reflow profiles (J-STD-020).
MPQ7200AGLE-AEC1-Z 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-Z FAQ
1.How can I place an order for MPQ7200AGLE-AEC1-Z through Aetrix?
Please submit a Request for Quotation (RFQ) for MPQ7200AGLE-AEC1-Z 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-Z reliable?
The price and inventory of MPQ7200AGLE-AEC1-Z 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-Z is usually 5 days.
3.What payment methods are accepted for MPQ7200AGLE-AEC1-Z?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPQ7200AGLE-AEC1-Z transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPQ7200AGLE-AEC1-Z?
MPQ7200AGLE-AEC1-Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPQ7200AGLE-AEC1-Z 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-Z?
For technical support, including MPQ7200AGLE-AEC1-Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPQ7200AGLE-AEC1-Z requirements.
6.How does Aetrix verify that MPQ7200AGLE-AEC1-Z is sourced from the original manufacturer or authorized distributors?
All MPQ7200AGLE-AEC1-Z 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-Z meets industry standards.
7.What is the process for return or replacement of MPQ7200AGLE-AEC1-Z?
All MPQ7200AGLE-AEC1-Z units undergo pre-shipment inspection (PSI). If there is an issue with MPQ7200AGLE-AEC1-Z, 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-Z part is unused and in its original packaging.
Return procedure for MPQ7200AGLE-AEC1-Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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