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Monolithic Power Systems Inc. MPQ7225AGQJE-0000-AEC1-P
- Part No.:
- MPQ7225AGQJE-0000-AEC1-P
- Manufacturer:
- Monolithic Power Systems Inc.
- Category:
- LED Drivers
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
MPQ7225AGQJE-0000-AEC1-P.pdf
- Description:
- 16-CHANNEL, CURRENT SINK LED DRI
- Quantity:
- Payment:
- Shipping:
Inventory:450
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Product details
Overview
MPQ7225AGQJE-0000-AEC1-P from Monolithic Power Systems is a 16-channel, AEC-Q100 Grade 1 qualified current-sink LED driver optimized for automotive dynamic lighting. It delivers up to 200mA per channel with 12-bit PWM and 6-bit analog dimming, adaptive feedback control (AFC) for 300mV headroom at full load, and a CAN-compatible 2Mbps differential interface. It supports cascaded 256-channel systems in adaptive matrix headlights and DRL modules.
For engineers reviewing the MPQ7225AGQJE-0000-AEC1-P datasheet, MPQ7225AGQJE-0000-AEC1-P pinout, MPQ7225AGQJE-0000-AEC1-P application, or MPQ7225AGQJE-0000-AEC1-P equivalent, key selection factors include AFC-enabled pre-regulator voltage optimization, failsafe (/FS) diagnostics, CISPR25 Class 5 EMC compliance, and OTP-configurable register settings for production-ready lighting control.
Technical Context
The MPQ7225A implements adaptive feedback control (AFC) by dynamically adjusting the pre-regulator output voltage to maintain only 300mV headroom across all 16 current sinks at 200mA, minimizing power loss and thermal stress. Its master/slave MODE pin configuration enables synchronized multi-IC operation with configurable phase shift (16–24μs) and slew rate (2–32μs) per channel.
Communication uses a robust 2Mbps CAN-compatible differential bus (DATA+/DATA−) with dominant/recessive voltage thresholds (VRXTH+ = 0.3–1.1V, VRXTH− = 0.7–1.5V), propagation delays <40ns, and built-in EMI mitigation via frequency spread spectrum (FSS) and selectable PWM frequency (250–1000Hz).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | 16 independent current-sink outputs, each programmable up to 200mA for high-brightness LED strings. |
| AFC Headroom | 300mV at 200mA per channel - reduces power dissipation and improves thermal efficiency in pre-regulated systems. |
| Digital Interface | 2Mbps CAN-compatible differential bus (DATA+/DATA−) - enables noise-immune daisy-chaining across distanced PCBs. |
| Dimming Resolution | 12-bit PWM + 6-bit analog per channel - supports smooth, flicker-free intensity control for animated lighting effects. |
| Protection Features | LED open/short detection (hiccup/latch), ISET fault latching, thermal warning (135°C) and shutdown (155°C), /FS active-low fault indicator. |
| EMC Compliance | CISPR25 Class 5 certified - meets stringent automotive radiated/conducted emissions limits without external filtering overhead. |
| Operating Temp | −40°C to +150°C junction temperature - validated for under-hood and exterior lighting environments per AEC-Q100 Grade 1. |
Pinout & Package
MPQ7225AGQJE-0000-AEC1-P is housed in a wettable-flank QFN-32 (5mm × 6mm) package with exposed thermal pad connected to PCB ground plane for optimal thermal performance.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| VBIAS (31) | Bias supply input | 2.5V–18V primary power rail; powers internal circuitry and enables wide cold-crank support down to 2.5V. |
| LED1–LED16 (4–9,11–14,16,17–21) | Current sink outputs | Sink cathodes of up to 16 LED strings; unused pins must be tied to GND and disabled via CHx_EN register. |
| FBO (23) | AFC feedback output | Drives pre-regulator feedback node to dynamically minimize headroom voltage - critical for system efficiency. |
| FBI (2) | AFC feedback input | Accepts headroom signal from upstream device in cascaded configurations; tie to GND if unused. |
| DATA+ / DATA− (26/25) | Differential bus interface | 2Mbps CAN-compatible physical layer - ensures reliable communication over long traces in noisy automotive environments. |
| /FS (29) | Failsafe fault indicator | Active-low open-drain output asserting on LED fault, thermal event, or ISET anomaly - enables system-level diagnostics. |
| ISET (24) | Current reference input | Resistor-to-GND sets average LED current (ILED = 600 / RISET kΩ); open/short detection triggers /FS latch. |
Key Features
| Feature | Design Value |
|---|---|
| Adaptive Feedback Control (AFC) | Maintains 300mV headroom at 200mA per channel, reducing power loss by >30% vs. fixed-headroom drivers in multi-IC stacks. |
| Configurable Phase Shift & Slew Rate | Programmable 16–24μs inter-channel delay and 2–32μs PWM edge transition - suppresses peak current and EMI in synchronized arrays. |
| OTP Memory | One-time programmable register storage for device address, dimming defaults, and protection thresholds - eliminates boot-time configuration overhead. |
| Functional Safety Support | Failsafe (/FS) pin, fault registers, and ASIL-ready documentation - accelerates ISO 26262-compliant system design for lighting safety goals. |
| Wettable Flank QFN | QFN-32 (5mm×6mm) with solderable side pads - enables automated optical inspection (AOI) and improves solder joint reliability in automotive reflow. |
Applications
| Dynamic Tail Lights | Adaptive Matrix Headlights |
|---|---|
|
Use Scenario: Sequential turn indicators and brake light animations requiring precise timing and channel independence. IC Role / Device Role / Timing Role: Current sink driver with per-channel 12-bit PWM dimming and programmable phase shift for smooth motion effects. Use Value: Enables pixel-level brightness control and staggered activation without external MCU intervention, meeting UNECE R148 compliance. |
Use Scenario: High-resolution beam shaping using hundreds of individually controllable LEDs across multiple PCBs. IC Role / Device Role / Timing Role: Cascadable 16-channel sink with AFC and differential bus for synchronized, low-EMI multi-board control. Use Value: Supports 256-channel scalability with <40ns inter-device skew and CISPR25 Class 5 radiated emissions compliance. |
| Daytime Running Lights (DRLs) | Turn Signals |
|
Use Scenario: Always-on, thermally constrained lighting with constant-current accuracy across temperature extremes. IC Role / Device Role / Timing Role: Precision current sink with ±5% channel-to-channel matching and -40°C to +150°C operation. Use Value: Maintains consistent luminance without thermal derating, eliminating need for external thermal compensation circuits. |
Use Scenario: High-reliability flashing signals requiring fault detection and fail-safe shutdown on LED failure. IC Role / Device Role / Timing Role: Integrated open/short protection with hiccup-mode recovery and /FS assertion for ASIL-B diagnostics. Use Value: Detects single-LED opens within 4ms and asserts /FS to trigger backup illumination or dashboard warning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar current-sink LED driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX20052ATP/V+T | 12-channel, 150mA max per channel; no AFC; SPI interface only (no differential bus). | Lacks cascading capability and automotive-grade differential communication; suited for simpler interior lighting. | Select when lower channel count and SPI-only control suffice, and EMC requirements are less stringent than CISPR25 Class 5. |
| TLC6C5912QPWRQ1 | 12-channel, 120mA max; no AFC; open-drain outputs; no integrated fault registers or /FS pin. | Requires external fault monitoring; no thermal warning or latch-mode protection; limited to non-safety-critical applications. | Choose for cost-sensitive, non-safety applications where headroom optimization and diagnostic depth are not required. |
Compared with MAX20052ATP/V+T and TLC6C5912QPWRQ1, the MPQ7225AGQJE-0000-AEC1-P uniquely combines 16-channel 200mA sinking, AFC-driven efficiency, CAN-compatible daisy-chaining, and ASIL-ready diagnostics - making it the only option qualified for scalable, safety-compliant adaptive front lighting systems.
Availability
MPQ7225AGQJE-0000-AEC1-P is available at Aetrix Electronics and suitable for automotive tail light modules, adaptive headlight assemblies, and DRL subsystems requiring stable component supply across extended product lifecycles.
Supply support for MPQ7225AGQJE-0000-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 for automotive, industrial, and cloud computing markets.
The MPQ7225A belongs to MPS's automotive LED driver product line, engineered specifically for functional-safety-compliant, thermally efficient, and EMI-robust exterior lighting control in ASIL-B systems.
FAQ
What is the maximum number of MPQ7225A devices that can be cascaded?
Up to 16 MPQ7225A ICs can be cascaded via the FBI/FBO interface to create a 256-channel LED driving solution. Each device uses its MODE pin to configure master/slave operation, and the differential DATA+/DATA− bus maintains synchronization and signal integrity across the chain without additional level-shifting or buffering.
How does Adaptive Feedback Control (AFC) improve system efficiency?
AFC dynamically adjusts the pre-regulator output voltage to maintain only 300mV headroom across all active LED channels at 200mA. This minimizes power dissipated as heat in the current sinks, reducing total system power loss by up to 35% compared to fixed-headroom architectures - especially beneficial in stacked multi-IC lighting modules.
Does the MPQ7225A support functional safety certification?
Yes - the MPQ7225A includes failsafe (/FS) output, dedicated fault registers (LED open/short, thermal, ISET), and an ASIL-ready functional safety document from MPS. It is AEC-Q100 Grade 1 qualified and designed to support system-level ASIL B compliance when integrated with appropriate MCU supervision and watchdog logic.
What is the purpose of the ISET pin, and how is LED current set?
The ISET pin sets average LED current using an external resistor to GND: ILED (mA) = 600 / RISET (kΩ). For example, a 6.04kΩ resistor yields ~99.3mA per channel. The device monitors ISET for open (<4.5μA) or short (>1mA) faults and latches off while asserting /FS - providing hardware-level current reference integrity.
Can the MPQ7225A operate with a VBIAS supply below 3.5V?
Yes - VBIAS operates from 2.5V to 18V, supporting automotive cold-crank conditions. However, if VBIAS falls below 3.5V, the internal VCC regulator cannot power the control circuitry, so VCC must be supplied externally (e.g., from a separate 3.3V rail) with ≥10µF decoupling capacitance placed close to the VCC pin.
What EMC standards does the MPQ7225A meet out-of-the-box?
The MPQ7225A achieves CISPR25 Class 5 compliance for both conducted (150kHz–108MHz) and radiated (150kHz–1GHz) emissions in standard evaluation board configurations. This is enabled by integrated frequency spread spectrum (FSS), configurable slew rate, and phase-shifted PWM - eliminating need for external EMI filters in most automotive lighting designs.
Is the OTP memory field-programmable after soldering?
No - the OTP (One-Time Programmable) memory is programmed during final test at the factory and cannot be rewritten in-system or post-soldering. It stores device-specific configuration such as default register values, address bits, and protection thresholds; custom OTP codes require coordination with an MPS FAE prior to order placement.
MPQ7225AGQJE-0000-AEC1-P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- DC DC Regulator
- Topology:
- Step-Down (Buck)
- Internal Switch(s):
- Yes
- Number of Outputs:
- 16
- Voltage - Supply (Min):
- 2.5V, 3.2V
- Voltage - Supply (Max):
- 3.5V, 18V
- Voltage - Output:
- 20V
- Current - Output / Channel:
- 200mA
- Frequency:
- -
- Dimming:
- Analog, 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:
- 32-QFN (5x6)
MPQ7225AGQJE-0000-AEC1-P FAQ
1.How can I place an order for MPQ7225AGQJE-0000-AEC1-P through Aetrix?
Please submit a Request for Quotation (RFQ) for MPQ7225AGQJE-0000-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 MPQ7225AGQJE-0000-AEC1-P reliable?
The price and inventory of MPQ7225AGQJE-0000-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 MPQ7225AGQJE-0000-AEC1-P is usually 5 days.
3.What payment methods are accepted for MPQ7225AGQJE-0000-AEC1-P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPQ7225AGQJE-0000-AEC1-P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPQ7225AGQJE-0000-AEC1-P?
MPQ7225AGQJE-0000-AEC1-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPQ7225AGQJE-0000-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 MPQ7225AGQJE-0000-AEC1-P?
For technical support, including MPQ7225AGQJE-0000-AEC1-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPQ7225AGQJE-0000-AEC1-P requirements.
6.How does Aetrix verify that MPQ7225AGQJE-0000-AEC1-P is sourced from the original manufacturer or authorized distributors?
All MPQ7225AGQJE-0000-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 MPQ7225AGQJE-0000-AEC1-P meets industry standards.
7.What is the process for return or replacement of MPQ7225AGQJE-0000-AEC1-P?
All MPQ7225AGQJE-0000-AEC1-P units undergo pre-shipment inspection (PSI). If there is an issue with MPQ7225AGQJE-0000-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 MPQ7225AGQJE-0000-AEC1-P part is unused and in its original packaging.
Return procedure for MPQ7225AGQJE-0000-AEC1-P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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