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Monolithic Power Systems Inc. MP2263GD-Z
- Part No.:
- MP2263GD-Z
- Manufacturer:
- Monolithic Power Systems Inc.
- Package:
- 15-PowerVFQFN
- Datasheet:
-
MP2263GD-Z.pdf
- Description:
- IC REG BUCK PROG 3A 15QFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,083
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Product details
Overview
MP2263GD-Z from Monolithic Power Systems is a frequency-programmable (350kHz–2.5MHz), synchronous step-down DC/DC converter with integrated 90mΩ/38mΩ high-side/low-side MOSFETs, delivering 3A continuous output current across a 3.3V–30V input range and featuring 12µA sleep-mode quiescent current, external soft-start, and open-drain power-good output - deployed in battery-powered smart home hubs requiring ultra-low standby power and wide VIN tolerance.
For engineers reviewing the MP2263GD-Z datasheet, MP2263GD-Z pinout, MP2263GD-Z application, or MP2263GD-Z equivalent, key selection criteria include its programmable switching frequency, low-IQ operation down to 12µA, hiccup-mode over-current protection, 80ns minimum on-time for high-duty-cycle operation, and QFN-15 (2mm×3mm) thermal performance with θJA = 70°C/W.
Technical Context
The MP2263GD-Z implements current-mode control with cycle-by-cycle peak current limiting and advanced asynchronous mode (AAM) for light-load efficiency optimization - enabling auto PFM/PWM or forced PWM operation via the MODE pin. Its internal error amplifier compares FB voltage against a precise 0.8V reference and drives VCOMP to regulate output.
It integrates dual bias paths: LDO1 powered from VIN (5V regulated when VIN > 5V) and LDO2 powered from BIAS (enabled when VBIAS > 4.8V), supporting high-efficiency 5V-output configurations by connecting BIAS to VOUT. Bootstrap charging uses an internal regulator with UVLO-based refresh during low-BST-to-SW conditions to sustain >99% effective duty cycle in dropout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3.3V to 30V - supports 12V/24V industrial rails and wide-range battery inputs (e.g., 3S–8S Li-ion). |
| Output Current | 3A continuous - sufficient for powering SoCs, wireless modules, and sensor subsystems without external heatsinking. |
| Quiescent Current | 12µA in sleep mode - enables multi-year battery life in always-on IoT endpoints. |
| Switching Frequency | 350kHz to 2.5MHz (resistor-programmable) - allows optimization between EMI compliance and inductor size. |
| RDS(ON) | 90mΩ (HS) / 38mΩ (LS) - minimizes conduction loss at full load, enabling >92% peak efficiency at 12V→3.3V/3A. |
| Minimum On-Time | 80ns - supports high-VIN-to-low-VOUT conversion (e.g., 24V→3.3V) without pulse-skipping instability. |
| Power Good Output | Open-drain PG with 57µs deglitch timer - provides reliable system-level power sequencing and fault detection. |
| Thermal Shutdown | 170°C with 20°C hysteresis - ensures robust fault recovery in enclosed enclosures without derating. |
Pinout & Package
The MP2263GD-Z is housed in a thermally enhanced QFN-15 package (2mm × 3mm, 0.5mm pitch) with exposed thermal pad, offering θJA = 70°C/W and θJC = 15°C/W on a 4-layer PCB per JESD51-7.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (MODE) | Mode selection input | Configures auto PFM/PWM (pull low/floating) or forced PWM (pull high); internal 1.55MΩ pull-down ensures safe default. |
| 2 (VIN) | Main power input | Supplies control circuitry and internal switches; requires local 10µF ceramic decoupling to suppress switching noise. |
| 3,8 (PGND) | Power ground return | Low-impedance path for high di/dt switch currents; must be connected directly to thermal pad and input capacitor ground. |
| 4 (EN) | Enable control | Digital ON/OFF control with 0.9–1.2V rising threshold; enables programmable UVLO when used with external resistor divider. |
| 5 (NC) | No connection | Must remain unconnected and unbonded; no internal circuitry attached. |
| 6 (PG) | Power good indicator | Open-drain output signaling valid regulation (UV: <84% VREF, OV: >118% VREF) with 34/57µs deglitch timers. |
| 7 (BIAS) | Bias supply input | Optional external bias source (>4.8V) to power internal regulators, improving efficiency in 5V-output designs. |
| 9 (SW) | Switch node | High-frequency switching output connected to inductor; requires tight layout to minimize EMI and ringing. |
| 10 (BST) | Bootstrap supply | Charges internal high-side gate driver; requires 0.1µF ceramic capacitor between BST and SW. |
| 11 (VCC) | Internal LDO output | 5V regulated supply for control logic and gate drivers; requires 1µF ceramic decoupling close to pin. |
| 12 (AGND) | Analog ground | Reference for FB, SS, and error amplifier; must be star-connected to PGND under IC to avoid noise coupling. |
| 13 (SS) | Soft-start timing | 10µA current source charges external capacitor to linearly ramp FB reference and limit inrush current. |
| 14 (FB) | Feedback input | Monitors output via resistor divider; 0.8V precision reference enables accurate output setting (e.g., 3.3V with 1kΩ/324Ω). |
| 15 (FREQ) | Frequency set | Resistor-to-ground sets switching frequency (e.g., 82kΩ → 1MHz); enables EMI tuning without changing magnetics. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Frequency | 350kHz–2.5MHz via single resistor - eliminates need for multiple inductor SKUs across product variants. |
| Advanced Asynchronous Mode (AAM) | Auto transitions to ultra-low-IQ sleep mode below light load - achieves >85% efficiency at 1mA while maintaining regulation. |
| Hiccup Over-Current Protection | Shuts down and auto-restarts on sustained short-circuit - prevents thermal runaway without external circuitry. |
| Low-Dropout Operation | Sustains regulation up to ~99% duty cycle - supports 24V→3.3V conversion with minimal headroom loss. |
| Pre-Biased Start-Up | Monotonic start into pre-charged outputs - avoids reverse current flow in hot-swap or redundant power systems. |
| Integrated Power MOSFETs | 90mΩ HS + 38mΩ LS - eliminates external FETs and gate drivers, reducing BOM count and layout complexity. |
Applications
| Smart Home Hub Power | Industrial Sensor Node |
|---|---|
Use Scenario: Powering ARM Cortex-M7 SoC, Wi-Fi 6 module, and 8-channel analog sensor interface from a 24V field bus. IC Role / Device Role / Timing Role: Primary buck regulator providing stable 3.3V/3A rail with dynamic load transient response <10µs. Use Value: 12µA sleep current extends battery backup runtime to >6 months; 80ns min-on-time enables direct 24V→3.3V conversion without intermediate stage. | Use Scenario: Compact wireless vibration sensor node operating from 3S Li-ion (9–12.6V) with BLE connectivity and onboard ADC. IC Role / Device Role / Timing Role: Main system regulator delivering 1.8V/1.5A and 3.3V/0.5A (via LDO post-regulation) with ultra-low quiescent draw. Use Value: AAM mode maintains >82% efficiency at 50µA load, extending operational life to 5+ years on a single 2000mAh cell. |
| Automotive Body Control Module | POS Terminal Power |
Use Scenario: 12V vehicle battery-powered door module with LED drivers, CAN transceiver, and microcontroller. IC Role / Device Role / Timing Role: Input-stage buck converting 6–18V battery range to clean 5V rail for downstream LDOs and digital logic. Use Value: Wide 3.3–30V input handles cold-crank (6V) and load-dump (30V) transients without external TVS; hiccup OCP protects against wiring faults. | Use Scenario: Portable point-of-sale terminal using USB-C PD input (5–20V) to power display, NFC reader, and secure element. IC Role / Device Role / Timing Role: Adaptive buck regulator dynamically adjusting frequency (500kHz–2MHz) to meet EMI limits during payment processing bursts. Use Value: Resistor-programmable FSW allows one hardware design to pass FCC Class B across global markets without board respins. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MP2451DJ-LF-P | Fixed 2MHz frequency, 2A output, higher 26µA IQ, no external soft-start or PG. | Limited to space-constrained 2A applications where programmability and power sequencing are not required. | Select when cost sensitivity outweighs feature needs and load current stays ≤2A. |
| TPS54332DR | 3.5A output, 100µA IQ, fixed 600kHz, no AAM, larger HTSSOP-16 package (4.9×6.0mm). | Suitable for industrial supplies needing higher current but less critical on standby power or footprint. | Choose for legacy TI ecosystem compatibility or when thermal margin >20°C is available. |
Compared with MP2451DJ-LF-P and TPS54332DR, the MP2263GD-Z uniquely balances ultra-low IQ, programmable frequency, and compact 2×3mm footprint - making it optimal for next-gen battery-powered edge devices where size, efficiency, and design flexibility are co-prioritized.
Availability
MP2263GD-Z is available at Aetrix Electronics and suitable for smart home hubs, industrial sensor nodes, automotive body controllers, and portable POS terminals requiring stable component supply across extended production lifecycles.
Supply support for MP2263GD-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 core expertise in DC/DC conversion, motor drivers, and LED lighting controllers.
The MP2263 belongs to MPS's wide-input, low-IQ buck converter family, engineered specifically for battery-backed and energy-sensitive applications demanding high efficiency across full load range and robust operation in harsh electrical environments.
FAQ
What is the recommended input capacitor configuration for MP2263GD-Z?
Use two 10µF X5R/X7R ceramic capacitors placed as close as possible to VIN and PGND pins. One capacitor should be rated for ≥1.5× the maximum RMS input current (≈1.5A at 3A load), and a 0.1µF high-frequency ceramic cap must be added adjacent to the IC for high-frequency noise suppression. Avoid electrolytic/tantalum unless paired with the 0.1µF ceramic.
Can MP2263GD-Z operate with BIAS pin unconnected?
Yes - the BIAS pin may be left floating or tied to GND if unused. When BIAS is unconnected or grounded, the internal LDO1 (powered from VIN) supplies VCC. This configuration is standard for most applications; BIAS is only needed to improve efficiency in 5V-output designs by powering VCC from VOUT.
How does the MP2263GD-Z handle pre-biased output conditions during start-up?
The MP2263GD-Z supports monotonic pre-biased start-up: when VOUT is already present, the internal BST capacitor is refreshed and the SS capacitor is charged simultaneously. Startup proceeds only after both BST voltage exceeds its rising threshold and SS voltage reaches 1.125×VFB + Voffset, preventing reverse current and output overshoot.
What is the function of the MODE pin, and how should it be configured?
The MODE pin selects between auto PFM/PWM (default) and forced PWM operation. Pull MODE low or leave it floating for automatic light-load efficiency optimization (AAM). Pull MODE to VCC for constant-frequency PWM across all loads - required for EMI-sensitive applications or when output ripple must remain predictable at light loads.
Is the MP2263GD-Z RoHS-compliant and halogen-free?
Yes - the MP2263GD-Z is lead-free, halogen-free, and fully compliant with the EU RoHS directive. All packaging materials and die attach compounds meet IPC/JEDEC J-STD-020 moisture sensitivity level 3 (MSL3) and are qualified for reflow soldering per JEDEC standards.
How is switching frequency set, and what resistor values correspond to common frequencies?
Switching frequency is set by connecting a resistor (RFREQ) from the FREQ pin to GND. Approximate values: 164kΩ → 425kHz, 82kΩ → 1MHz, 27kΩ → 2.5MHz. The relationship follows RFREQ(kΩ) ≈ 86.5 / fSW(MHz) – 6.5. Use 1% tolerance metal-film resistors for stable frequency accuracy.
Does MP2263GD-Z require an external compensation network?
No - the MP2263GD-Z uses internal Type-II compensation optimized for standard output capacitor ESR ranges. External compensation is not supported; stability is ensured across 10µF–470µF ceramic or low-ESR tantalum capacitors when following MPS-recommended layout guidelines and inductor selection.
MP2263GD-Z Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- 15-PowerVFQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Programmable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 3.3V
- Voltage - Input (Max):
- 30V
- Voltage - Output (Min/Fixed):
- 1.05V
- Voltage - Output (Max):
- 5V
- Current - Output:
- 3A
- Frequency - Switching:
- 2.5MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 15-QFN (3x2)
MP2263GD-Z FAQ
1.How can I place an order for MP2263GD-Z through Aetrix?
Please submit a Request for Quotation (RFQ) for MP2263GD-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 MP2263GD-Z reliable?
The price and inventory of MP2263GD-Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MP2263GD-Z is usually 5 days.
3.What payment methods are accepted for MP2263GD-Z?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MP2263GD-Z transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MP2263GD-Z?
MP2263GD-Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MP2263GD-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 MP2263GD-Z?
For technical support, including MP2263GD-Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MP2263GD-Z requirements.
6.How does Aetrix verify that MP2263GD-Z is sourced from the original manufacturer or authorized distributors?
All MP2263GD-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 MP2263GD-Z meets industry standards.
7.What is the process for return or replacement of MP2263GD-Z?
All MP2263GD-Z units undergo pre-shipment inspection (PSI). If there is an issue with MP2263GD-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 MP2263GD-Z part is unused and in its original packaging.
Return procedure for MP2263GD-Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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