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Monolithic Power Systems Inc. MP3414AGJ-Z
- Part No.:
- MP3414AGJ-Z
- Manufacturer:
- Monolithic Power Systems Inc.
- Package:
- SOT-23-8 Thin, TSOT-23-8
- Datasheet:
-
MP3414AGJ-Z.pdf
- Description:
- IC REG BOOST ADJ 3A TSOT23-8
- Quantity:
- Payment:
- Shipping:
Inventory:7,622
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Product details
Overview
MP3414AGJ-Z from Monolithic Power Systems is a synchronous step-up DC-DC converter IC with true output disconnect, designed for battery-powered systems requiring efficient 5.5V output from low-input sources (1.8V–5.5V). It delivers up to 3A peak switch current, operates at fixed 1MHz switching frequency, and achieves ≤22μA quiescent current-enabling >97% efficiency in portable medical devices and wireless peripherals.
For engineers reviewing the MP3414AGJ-Z datasheet, MP3414AGJ-Z pinout, MP3414AGJ-Z application, or MP3414AGJ-Z equivalent, key selection criteria include its integrated P-channel output disconnect MOSFET (RPDS_ON = 80mΩ), internal soft-start and compensation, 0.6V feedback reference, and robust protection suite (OVP, SCP, OTP, thermal shutdown).
Technical Context
The MP3414AGJ-Z employs fixed-frequency current-mode PWM control with internal slope compensation and lossless NMOS current sensing. Its dual-mode startup-linear charge (PMOS-controlled, 0.3A/0.8A current-limited) followed by boost switching-ensures controlled inrush and seamless transition above VIN.
It integrates both high-side PMOS (for output disconnect and linear charge) and low-side NMOS (RDS(ON) = 70mΩ) power switches, with bias sourcing dynamically switching from IN to OUT once VOUT exceeds VIN-maintaining regulation stability even as input drops to 1.8V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 1.8V to 5.5V - supports single-cell Li-ion (2.8–4.2V), two/three-cell alkaline/NiMH (1.8–4.5V), enabling wide battery compatibility. |
| Output Voltage | Up to 5.5V - programmable via external resistor divider (VFB = 600mV ±1%), suitable for USB-powered peripherals and 5V logic rails. |
| Switching Frequency | 1MHz (±20%) - enables use of compact 1–2.2μH inductors and <22μF ceramic output capacitors, minimizing board area. |
| Quiescent Current | 22μA (typ.) - ensures ultra-low standby power draw in always-on wearable sensors and remote controls. |
| Shutdown Current | <1μA - achieved via complete output disconnect (no body diode conduction), allowing full discharge of downstream circuitry. |
| Peak Switch Current | 3.6A (typ.) - supports ≥1A continuous output at 5V from 2.8V input with margin for transient loads. |
| Efficiency | Up to 97% - enabled by synchronous rectification (eliminates Schottky loss) and low RDS(ON) MOSFETs (70/80mΩ). |
Pinout & Package
MP3414AGJ-Z is housed in an 8-pin TSOT23 package (2.9mm × 1.6mm × 0.85mm), optimized for space-constrained portable designs. Thermal resistance θJA = 100°C/W on standard 4-layer PCB.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 IN | Power input supply | Bias source during startup; must be locally bypassed with ≥10μF ceramic capacitor to suppress ripple and inrush transients. |
| 2 OUT | Regulated output node | Drain of internal PMOS rectifier; connects to output filter; true disconnect isolates load from input when EN = low. |
| 3 SW | Switch node | Connection point between internal NMOS and PMOS; requires shortest possible trace to inductor to minimize EMI and voltage spikes. |
| 4 PGND | Power ground return | High-current return path for inductor and MOSFETs; must be tied to large copper pour and vias for thermal relief. |
| 5 FTY | Factory test pin | No user connection required; leave floating or grounded-no functional impact in normal operation. |
| 6 AGND | Analog ground reference | Reference for FB, EA, and internal bias; must be separated from PGND and connected at single point near IC to avoid noise coupling. |
| 7 FB | Feedback input | Senses output voltage via resistive divider; 600mV reference enables precise VOUT programming (e.g., 5V with 1MΩ/137kΩ divider). |
| 8 EN | Enable control input | Logic-level interface: >1.2V = ON, <0.4V = shutdown; supports direct MCU GPIO control with minimal leakage (10nA). |
Key Features
| Feature | Design Value |
|---|---|
| True output disconnect | PMOS-based isolation eliminates body diode leakage, enabling full VOUT discharge and sub-1μA shutdown current. |
| Integrated soft start | Internal capacitor charging with fixed slew rate prevents output overshoot and limits inrush during startup. |
| Comprehensive protection | Includes over-voltage (6V threshold), short-circuit (auto-restart after 50μs hiccup), over-temperature (155°C shutdown), and under-voltage lockout (1.65V). |
| Power-save mode (PSM) | Frequency stretching at light loads reduces switching losses while maintaining regulation-critical for battery longevity. |
| Internal compensation | Eliminates need for external compensation network, reducing BOM count and layout sensitivity across operating conditions. |
Applications
| Portable Media Players | Wireless Peripherals |
|---|---|
|
Use Scenario: Boosting single-cell Li-ion (2.8–4.2V) to stable 5V for USB audio DACs and display backlights. IC Role / Device Role / Timing Role: Primary voltage regulator with output disconnect to prevent reverse current during sleep mode. Use Value: 97% efficiency extends playback time; 22μA IQ minimizes standby drain; 1MHz operation allows tiny 1.5μH inductor. |
Use Scenario: Powering Bluetooth headsets and gaming mice from coin-cell or AAA batteries. IC Role / Device Role / Timing Role: Step-up converter with inrush limiting and auto-recovery from short-circuit events. Use Value: Linear charge mode limits startup surge; SCP/OTP ensure reliability in compact enclosures with limited airflow. |
| Personal Medical Devices | Gaming Accessories |
|
Use Scenario: Driving pulse oximeters and glucose meters requiring clean 3.3V/5V rails from alkaline cells. IC Role / Device Role / Timing Role: High-efficiency boost regulator with low-noise analog ground (AGND) separation for sensor signal integrity. Use Value: AGND/PGND separation and internal compensation reduce output ripple (<20mVPP), critical for ADC accuracy. |
Use Scenario: Supplying RGB lighting and haptic feedback in compact controllers powered by 2×AA batteries. IC Role / Device Role / Timing Role: Compact, thermally robust boost stage supporting intermittent 1A peak loads. Use Value: 100°C/W θJA and thermal shutdown (155°C) prevent overheating during sustained LED activation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous step-up converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS610992DRCR | Lower IQ (300nA), but only 1A output capability and no true output disconnect; uses external diode. | Better for ultra-low-power IoT sensors; unsuitable for >1A loads or systems requiring full VOUT discharge. | Select if standby current dominates design priority and output current ≤1A. |
| MAX17222ETA+ | Higher VOUT max (5.25V), 1.2MHz switching, but lacks OVP and has higher shutdown current (1.5μA). | Acceptable for cost-sensitive consumer accessories where 5.25V suffices and OVP is managed externally. | Select if 5.25V output is sufficient and external OVP implementation is feasible. |
Compared with TPS610992DRCR and MAX17222ETA+, MP3414AGJ-Z uniquely combines 3A capability, true output disconnect, integrated OVP/SCP, and 1MHz operation in TSOT23-8-making it optimal for space-constrained, high-reliability portable systems demanding full load flexibility and zero-backdrive behavior.
Availability
MP3414AGJ-Z is available at Aetrix Electronics and suitable for portable media players, wireless peripherals, personal medical devices, and gaming accessories requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for MP3414AGJ-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 analog and power ICs, with global manufacturing and quality certifications including ISO 9001 and IATF 16949.
The MP3414A belongs to MPS's high-efficiency DC-DC boost converter product line, engineered specifically for battery-powered portable electronics needing compact size, ultra-low IQ, and robust protection without external components.
FAQ
What is the minimum input voltage required for MP3414AGJ-Z to start switching?
The MP3414AGJ-Z begins linear charge mode at VIN ≥ 1.65V (UVLO rising threshold) and transitions to full boost switching once VOUT exceeds VIN. Stable regulation at 5V output is achievable from VIN as low as 1.8V, provided the output capacitor is adequately sized and layout follows recommended guidelines for low-ESR paths.
Does MP3414AGJ-Z require an external Schottky diode?
No. The MP3414AGJ-Z integrates a synchronous P-channel MOSFET for rectification and output disconnect, eliminating the need for an external Schottky diode. Adding one would defeat the true disconnect function and cause reverse current flow during shutdown.
How is output voltage set, and what is the feedback reference voltage?
VOUT is set using an external resistor divider from OUT to FB. The internal reference is 600mV (594–606mV over temperature), so VOUT = 0.6V × (1 + R1/R2). Recommended R1 = 1MΩ and R2 = 137kΩ for 5V output; higher resistor values reduce IQ but increase noise sensitivity.
What thermal protection features does MP3414AGJ-Z include?
The device incorporates thermal shutdown at 155°C (with 25°C hysteresis) and automatically restarts when die temperature falls below 130°C. This protection is guaranteed by characterization and works independently of external components, ensuring safe operation under overload or poor PCB thermal design.
Can MP3414AGJ-Z operate with input voltage higher than output voltage?
No. When VIN approaches or exceeds VOUT, the boost topology triggers minimum on-time limitation, causing excessive output ripple and potential instability. The datasheet explicitly advises against operation where VIN > VOUT, as regulation degrades and efficiency drops significantly.
What is the maximum recommended output capacitance for stability?
The MP3414AGJ-Z requires ≥22μF output capacitance (X5R/X7R ceramic) at the programmed VOUT for loop stability across temperature and load. Larger values (e.g., 47–100μF) further reduce ripple and improve transient response but do not compromise stability due to internal compensation.
Is the FTY pin functional in end-user applications?
No. Pin 5 (FTY) is reserved for factory testing and has no defined function in application circuits. It should be left floating or connected to GND-neither choice affects performance, regulation, or protection features.
MP3414AGJ-Z Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- SOT-23-8 Thin, TSOT-23-8
- 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):
- 5.5V
- Voltage - Output (Min/Fixed):
- 2V
- Voltage - Output (Max):
- 5.5V
- Current - Output:
- 3A
- Frequency - Switching:
- 1MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-8
MP3414AGJ-Z FAQ
1.How can I place an order for MP3414AGJ-Z through Aetrix?
Please submit a Request for Quotation (RFQ) for MP3414AGJ-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 MP3414AGJ-Z reliable?
The price and inventory of MP3414AGJ-Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MP3414AGJ-Z is usually 5 days.
3.What payment methods are accepted for MP3414AGJ-Z?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MP3414AGJ-Z transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MP3414AGJ-Z?
MP3414AGJ-Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MP3414AGJ-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 MP3414AGJ-Z?
For technical support, including MP3414AGJ-Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MP3414AGJ-Z requirements.
6.How does Aetrix verify that MP3414AGJ-Z is sourced from the original manufacturer or authorized distributors?
All MP3414AGJ-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 MP3414AGJ-Z meets industry standards.
7.What is the process for return or replacement of MP3414AGJ-Z?
All MP3414AGJ-Z units undergo pre-shipment inspection (PSI). If there is an issue with MP3414AGJ-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 MP3414AGJ-Z part is unused and in its original packaging.
Return procedure for MP3414AGJ-Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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