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Monolithic Power Systems Inc. MPQ3410DJ-AEC1-LF-P
- Part No.:
- MPQ3410DJ-AEC1-LF-P
- Manufacturer:
- Monolithic Power Systems Inc.
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
MPQ3410DJ-AEC1-LF-P.pdf
- Description:
- IC REG BOOST ADJ 1.3A TSOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:3,212
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Product details
Overview
MPQ3410DJ-AEC1-LF-P from Monolithic Power Systems is an AEC-Q100 Grade 1 qualified, synchronous rectified step-up DC/DC converter delivering up to 6V output from 1.8V–6V input, featuring 550kHz fixed-frequency current-mode control, 1.3A typical switch current limit, internal soft-start, and output-to-input disconnect in shutdown. It targets automotive infotainment power rails and portable industrial sensors requiring high efficiency (>90%) and compact size.
For engineers reviewing the MPQ3410DJ-AEC1-LF-P datasheet, MPQ3410DJ-AEC1-LF-P pinout, MPQ3410DJ-AEC1-LF-P application, or MPQ3410DJ-AEC1-LF-P equivalent, this device offers verified performance in low-voltage battery-powered systems with strict thermal and reliability requirements across -40°C to +125°C junction temperature.
Technical Context
The MPQ3410DJ-AEC1-LF-P implements a fixed-frequency (550kHz) current-mode PWM architecture with internal 1.2V reference and error amplifier, enabling fast transient response and stable regulation via external resistive feedback. Its dual MOSFET topology integrates a low-side N-Channel switch and high-side P-Channel synchronous rectifier to eliminate external diode losses.
It supports zero-current shutdown mode with <0.5μA quiescent current, inrush limiting via soft-start, and full protection including thermal shutdown (160°C), overcurrent limiting, and UVLO (1.4V startup). The output disconnect function isolates VOUT from VIN during disable, preventing backfeed in multi-rail automotive subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 1.8V to 6V - Supports single-cell Li-ion, LiFePO₄, and 2–3-cell alkaline/NiMH battery inputs without pre-regulation. |
| Output Voltage Range | 2.5V to 6V - Programmable via external resistor divider; enables 3.3V, 5V, or custom rail generation. |
| Switching Frequency | 550kHz (±240kHz) - Enables use of small 4.7µH inductors and 4.7–10µF ceramic output capacitors for space-constrained PCBs. |
| Typical Switch Current Limit | 1.3A - Sets peak inductor current capability; supports ≥400mA continuous output at 5V from 2.5V input with >90% efficiency. |
| Feedback Reference Voltage | 1.19V (±30mV) - High-accuracy internal reference enables ±1.5% output voltage regulation over temperature and line/load. |
| Shutdown Supply Current | 0.5μA max - Minimizes battery drain in always-on automotive modules such as telematics wake-up circuits. |
| Thermal Shutdown Threshold | 160°C with 30°C hysteresis - Provides robust overtemperature protection while avoiding nuisance cycling in under-hood environments. |
Pinout & Package
MPQ3410DJ-AEC1-LF-P is housed in a RoHS-compliant, moisture-sensitive level 1 TSOT23-5 package (0.95mm × 1.60mm × 0.85mm height), optimized for automated SMT assembly and thermal performance in high-density automotive PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - FB | Feedback Input | Connects to voltage divider midpoint; regulates output by comparing divided VOUT to internal 1.19V reference. |
| 2 - GND | Power Ground | Primary return path for IC bias, switching currents, and feedback network; must be low-impedance and adjacent to CIN/COUT ground pads. |
| 3 - OUT | Output Supply Rail | Connects to output capacitor and load; serves as source terminal for internal P-Channel MOSFET during synchronous rectification. |
| 4 - SW | Switch Node | Drain connection of both internal N-Channel (low-side) and P-Channel (high-side) MOSFETs; connects directly to inductor. |
| 5 - EN | Enable Control | Logic-level input (0.4V low / ≥1.05V high at VIN=1.8V); controls startup sequence and activates output disconnect in shutdown. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for automotive operation from −40°C to +125°C ambient, meeting stress test requirements for ESD, latch-up, and thermal cycling. |
| Synchronous rectification | Integrated P-Channel high-side switch replaces external Schottky diode, reducing conduction loss and improving efficiency by 5–10% at light-to-moderate loads. |
| Output-to-input disconnect | Zero leakage path between VOUT and VIN during EN = low, eliminating reverse current and enabling safe hot-swap or rail sequencing in multi-supply systems. |
| Internal compensation & soft-start | Reduces BOM count by eliminating external compensation network; soft-start limits inrush current to protect input source and stabilize startup under heavy capacitive loads. |
| 550kHz fixed switching frequency | Enables consistent EMI filtering design and predictable inductor sizing; avoids audible noise and simplifies layout versus variable-frequency alternatives. |
Applications
| Automotive Infotainment Displays | Portable Medical Sensors |
|---|---|
|
Use Scenario: Powering 3.3V or 5V backlight and interface logic in TFT LCD clusters powered by 12V battery via intermediate 3.3V LDO or direct from 3.6V Li-ion pack. IC Role / Device Role / Timing Role: Primary boost regulator generating stable display supply rail with fast load-step response to backlight dimming commands. Use Value: Output disconnect prevents backfeed into MCU during sleep mode; AEC-Q100 qualification ensures reliability in vibration-prone dashboard environments. |
Use Scenario: Generating 5V rail from single 3.0V coin cell or rechargeable Li-ion for Bluetooth-enabled pulse oximeters or glucose meters. IC Role / Device Role / Timing Role: Efficient step-up converter enabling extended battery life while maintaining regulated sensor analog front-end and RF transceiver voltage. Use Value: 0.5μA shutdown current extends shelf life; 1.3A switch current supports brief high-power BLE transmission bursts without brownout. |
| Industrial Handheld Scanners | Smart Rearview Mirror Modules |
|
Use Scenario: Providing 5V for CMOS image sensor and laser driver in ruggedized barcode scanners operating from 2.8–4.2V Li-ion packs. IC Role / Device Role / Timing Role: Compact, thermally robust boost stage delivering clean, ripple-free power to noise-sensitive imaging circuitry. Use Value: 550kHz switching allows small 4.7µH inductor; internal soft-start prevents input sag during cold start in warehouse freezer environments. |
Use Scenario: Supplying 3.3V for ADAS camera interface and 5V for display driver in rearview mirrors with integrated backup cameras and lane-departure alerts. IC Role / Device Role / Timing Role: Dual-rail capable boost converter supporting independent enable control for system-level power sequencing and fault isolation. Use Value: Thermal shutdown with 30°C hysteresis prevents lockup during prolonged sun exposure; TSOT23-5 footprint saves space on narrow mirror PCBs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-up converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS610995RTER | Higher 2A switch current, 1.2MHz switching, but only rated to +85°C ambient and not AEC-Q100 qualified. | Lacks automotive qualification and thermal margin; suitable for commercial handhelds but not under-hood or dash-mounted units. | Select when higher output current and smaller magnetics are prioritized over automotive compliance. |
| MAX17222ETA+ | Lower 0.5A switch current, 500kHz, AEC-Q100 Grade 2 (−40°C to +105°C), no output disconnect feature. | Insufficient for >300mA loads; lacks VOUT–VIN isolation needed for rail sequencing in multi-domain ECUs. | Choose only for cost-sensitive, lower-power non-critical automotive accessories where disconnect is unnecessary. |
Compared with TPS610995RTER and MAX17222ETA+, MPQ3410DJ-AEC1-LF-P uniquely balances AEC-Q100 Grade 1 qualification, 1.3A capability, output disconnect, and 550kHz operation-making it optimal for space-constrained, safety-aware automotive subsystems requiring guaranteed thermal and reliability margins.
Availability
MPQ3410DJ-AEC1-LF-P is available at Aetrix Electronics and suitable for automotive infotainment displays, portable medical sensors, and industrial handheld scanners requiring stable component supply with full AEC-Q100 traceability and long-term lifecycle support.
Supply support for MPQ3410DJ-AEC1-LF-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 analog and power ICs, with design centers in the US, China, and Taiwan, and global manufacturing partnerships.
The MPQ3410 belongs to MPS's automotive-grade DC/DC converter product line, engineered specifically for reliable, compact, and efficient power conversion in harsh-temperature automotive subsystems-from body electronics to ADAS edge nodes.
FAQ
What is the minimum input voltage required for startup?
The MPQ3410DJ-AEC1-LF-P starts switching when input voltage reaches 1.4V (min) across the full −40°C to +125°C junction range. At room temperature, startup occurs at 1.5V–1.8V, enabling operation from partially discharged single-cell LiFePO₄ (2.5V nominal) or two-series alkaline cells under load.
Does this part require an external Schottky diode?
No external Schottky diode is required for outputs ≤4V. For VOUT ≥4V, MPS recommends adding a 0.5A, 20V Schottky diode (e.g., RB520S-30) from SW to OUT to clamp voltage spikes and prevent overstress of the internal P-Channel MOSFET during transient conditions.
How is output voltage set, and what tolerance can be expected?
Output voltage is set using a resistive divider from VOUT to FB, targeting 1.19V at FB. With R2 = 100kΩ, R1 = (VOUT/1.19 − 1) × 100kΩ. Total output tolerance is ±1.5% over temperature and line/load, combining FB reference accuracy (±30mV), resistor ratio error, and layout-induced noise.
Can the MPQ3410DJ-AEC1-LF-P drive a 500mA load at 5V from a 2.5V input?
Yes: at VIN = 2.5V, VOUT = 5V, IOUT = 500mA, efficiency exceeds 90% per typical curves. Peak switch current remains below 1.3A (≈1.15A calculated), well within the specified limit. Use 4.7µH inductor and ≥10µF X5R/X7R ceramic output capacitor for stability.
What is the purpose of the EN pin's voltage threshold shift with input voltage?
The EN high-threshold increases with VIN (e.g., 1.05V at VIN=1.8V → 2.15V at VIN=5V) to ensure reliable turn-on across wide input ranges. This prevents false enable/disable due to noise coupling and guarantees sufficient gate overdrive for internal logic even at low VIN, enhancing system robustness in automotive battery transients.
Is there a recommended PCB layout guideline for thermal performance?
Yes: connect the exposed pad (if present - note TSOT23-5 has no thermal pad) to a dedicated GND plane via ≥4 thermal vias (0.3mm diameter). Place input/output capacitors within 3mm of respective pins, route SW trace short and wide, and isolate FB trace from noisy nodes using guard rings to maintain regulation accuracy.
Does the device support forced PWM or discontinuous conduction mode (DCM)?
The MPQ3410DJ-AEC1-LF-P operates exclusively in forced continuous conduction mode (CCM) due to its fixed-frequency current-mode architecture. It does not auto-shift to DCM at light loads; instead, it maintains constant 550kHz switching with reduced duty cycle, ensuring predictable EMI and stable loop behavior across all loads.
MPQ3410DJ-AEC1-LF-P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Up
- Output Configuration:
- Positive
- Topology:
- Boost
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 1.8V
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 2.5V
- Voltage - Output (Max):
- 6V
- Current - Output:
- 1.3A
- Frequency - Switching:
- 550kHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-5
MPQ3410DJ-AEC1-LF-P FAQ
1.How can I place an order for MPQ3410DJ-AEC1-LF-P through Aetrix?
Please submit a Request for Quotation (RFQ) for MPQ3410DJ-AEC1-LF-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 MPQ3410DJ-AEC1-LF-P reliable?
The price and inventory of MPQ3410DJ-AEC1-LF-P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPQ3410DJ-AEC1-LF-P is usually 5 days.
3.What payment methods are accepted for MPQ3410DJ-AEC1-LF-P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPQ3410DJ-AEC1-LF-P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPQ3410DJ-AEC1-LF-P?
MPQ3410DJ-AEC1-LF-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPQ3410DJ-AEC1-LF-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 MPQ3410DJ-AEC1-LF-P?
For technical support, including MPQ3410DJ-AEC1-LF-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPQ3410DJ-AEC1-LF-P requirements.
6.How does Aetrix verify that MPQ3410DJ-AEC1-LF-P is sourced from the original manufacturer or authorized distributors?
All MPQ3410DJ-AEC1-LF-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 MPQ3410DJ-AEC1-LF-P meets industry standards.
7.What is the process for return or replacement of MPQ3410DJ-AEC1-LF-P?
All MPQ3410DJ-AEC1-LF-P units undergo pre-shipment inspection (PSI). If there is an issue with MPQ3410DJ-AEC1-LF-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 MPQ3410DJ-AEC1-LF-P part is unused and in its original packaging.
Return procedure for MPQ3410DJ-AEC1-LF-P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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