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Analog Devices Inc./Maxim Integrated MAX20011BAFOO/VY+T
- Part No.:
- MAX20011BAFOO/VY+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 17-PowerWFQFN
- Datasheet:
-
MAX20011BAFOO/VY+T.pdf
- Description:
- IC REG BUCK PROG 12A 17FC2QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,226
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Product details
Overview
MAX20011BAFOO/VY+T from Analog Devices is a high-efficiency, synchronous step-down DC-DC converter designed for automotive SoC core power delivery. It operates from 3.0V to 5.5V input, delivers up to 12A peak output current, supports I²C-controlled output voltage (0.5V–1.275V in 6.25mV steps), achieves ±1.5% output-voltage accuracy over load/line/temperature, and features ASIL C compliance with BIST diagnostics and PEC on I²C.
For engineers reviewing the MAX20011BAFOO/VY+T datasheet, MAX20011BAFOO/VY+T pinout, MAX20011BAFOO/VY+T application, or MAX20011BAFOO/VY+T equivalent, key selection considerations include its 12A peak current capability, 2.2MHz fixed-frequency PWM operation, differential remote sensing, programmable soft-start, and Grade 1 automotive temperature range (−40°C to +125°C).
Technical Context
The MAX20011BAFOO/VY+T implements current-mode, forced-PWM control with 2.2MHz switching frequency and optional spread-spectrum modulation to reduce EMI. Its integrated low RDS(ON) FETs enable high efficiency at heavy loads and simplify PCB layout versus discrete solutions.
It includes ASIL C–compliant safety features: redundant internal reference, built-in self-test (BIST) diagnostics, packet error checking (PEC) on I²C, and programmable overvoltage/undervoltage protection with ±1% accuracy - all validated for automotive ADAS and SoC core power systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 12A peak - supports high-power SoC cores without external current boosting |
| Input Voltage Range | 3.0V to 5.5V - compatible with automotive 3.3V/5V rails and post-regulation stages |
| Output Voltage Range | 0.5V to 1.275V in 6.25mV steps - enables precise dynamic voltage scaling via I²C |
| Switching Frequency | 2.2MHz fixed - allows full-ceramic design and fast transient response |
| Output Accuracy | ±1.5% over load/line/temperature - ensures stable core supply under real-world conditions |
| Operating Temperature | −40°C to +125°C (Grade 1 automotive) - qualified for under-hood and ADAS ECU environments |
| Safety Compliance | ASIL C - includes redundant reference, BIST, and PEC on I²C for functional safety-critical systems |
Pinout & Package
Package: 3.5mm × 3.75mm, 17-pin side-wettable FC2QFN - optimized for automated optical inspection (AOI) and high-reliability automotive solder joints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN | Enable input | Active-high logic control for power sequencing and system-level sleep/wake coordination |
| SYNC | Frequency synchronization input | Accepts external clock to align switching with other converters and reduce beat frequencies |
| RESET | Power-good indicator output | Open-drain signal asserting valid VOUT within regulation window; used for SoC reset timing |
| SDA / SCL | I²C data/clock | Support dynamic voltage adjustment, fault reporting, and configuration readback with PEC |
| RS+, RS− | Differential remote sense inputs | Compensate for PCB IR drop to maintain accurate voltage at SoC power pins |
| LX | Switch node | Connects to external inductor; requires careful layout to minimize EMI and ringing |
| BST | Bootstrap capacitor connection | Supplies gate drive for high-side FET; requires 0.1µF ceramic capacitor to PV |
| PGND / GND | Power / signal ground returns | Separate planes recommended to avoid noise coupling into sensitive analog/safety circuits |
Key Features
| Feature | Design Value |
|---|---|
| Differential remote sensing | Maintains ±1.5% output accuracy at point-of-load despite PCB trace resistance up to 20mΩ |
| Programmable soft-start | Configurable via I²C to prevent inrush current and ensure controlled SoC power-up sequencing |
| Spread-spectrum modulation | Reduces peak radiated EMI by spreading energy across 2.2MHz ±10% bandwidth |
| Integrated low RDS(ON) FETs | Eliminates need for external MOSFETs and drivers; reduces BOM count and layout area by >30% |
| ASIL C–compliant diagnostics | Built-in self-test validates reference, comparator, and I²C integrity before and during operation |
Applications
| Automotive ADAS Camera Module | Automotive Radar SoC Power |
|---|---|
Use Scenario: Powers image signal processor (ISP) and sensor interface in front-facing ADAS camera modules operating in engine bay or bumper locations. IC Role / Device Role / Timing Role: Primary core supply regulator delivering dynamically scaled 0.85V/1.0V to ISP under I²C command. Use Value: ASIL C compliance and −40°C to +125°C operation ensure functional safety and reliability in harsh thermal environments. | Use Scenario: Supplies 0.95V core voltage to 77GHz radar SoC in compact front-radar units mounted behind plastic fascia. IC Role / Device Role / Timing Role: High-current, low-noise buck converter with differential remote sensing to compensate for flex-circuit voltage drop. Use Value: 2.2MHz switching enables small 100nH inductor and all-ceramic output filter, minimizing solution size. |
| Central Domain Controller Core Rail | Automotive Infotainment Application Processor |
Use Scenario: Delivers 12A peak current to multi-core AI accelerator in zonal architecture domain controllers. IC Role / Device Role / Timing Role: Post-regulator stepping down from 5V intermediate bus to sub-1V SoC core rail with tight transient response. Use Value: Excellent load-transient performance (<5% undershoot for 8A step) maintains SoC stability during burst compute workloads. | Use Scenario: Powers quad-core application processor in head-unit infotainment system requiring dynamic voltage scaling. IC Role / Device Role / Timing Role: I²C-programmable buck converter enabling OS-driven DVFS for thermal and power optimization. Use Value: 6.25mV output resolution and programmable slew rate allow precise, glitch-free voltage transitions during CPU frequency changes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPQ4436AGL-A-Z | 8A peak output, no ASIL C certification, no I²C interface, 2.2MHz fixed frequency | Lacks safety diagnostics and dynamic voltage control; suitable for non-safety-critical infotainment subsystems | Select when ASIL compliance and I²C programmability are not required and peak current ≤8A |
| TPS62933RQYR | 12A peak, 2.2MHz, I²C interface, but only AEC-Q100 Grade 2 (−40°C to +105°C), no BIST or PEC | Not qualified for full Grade 1 automotive environments; lacks ASIL C–level safety features | Choose for cost-sensitive ADAS peripherals where full ASIL C is not mandated |
Compared with MPQ4436AGL-A-Z and TPS62933RQYR, the MAX20011BAFOO/VY+T uniquely combines 12A peak current, ASIL C compliance, I²C-based DVFS, and Grade 1 temperature rating - making it the only option qualified for safety-critical SoC core rails in central ADAS ECUs.
Availability
MAX20011BAFOO/VY+T is available at Aetrix Electronics and suitable for automotive ADAS camera modules, radar SoC power supplies, and central domain controller core rails requiring stable component supply, long-term lifecycle support, and AEC-Q100–qualified sourcing.
Supply support for MAX20011BAFOO/VY+T 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
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving automotive, industrial, communications, and healthcare markets.
The MAX20011 family targets automotive power management for ADAS and domain controllers, emphasizing ASIL C compliance, high current density, and I²C-configurable precision in compact side-wettable packages.
FAQ
What is the maximum output current supported by the MAX20011BAFOO/VY+T?
The MAX20011BAFOO/VY+T supports up to 12A peak output current. This rating is validated across the full −40°C to +125°C operating temperature range and accounts for thermal derating in typical automotive PCB layouts. The device sustains this current with integrated low RDS(ON) FETs and requires appropriate thermal vias and copper area per the manufacturer's layout guidelines. Continuous current capability depends on ambient temperature and airflow.
Does the MAX20011BAFOO/VY+T support dynamic voltage scaling via I²C?
Yes, the MAX20011BAFOO/VY+T supports dynamic voltage scaling through its I²C interface, allowing output voltage adjustment from 0.5V to 1.275V in precise 6.25mV steps. It also provides programmable slew rates to control transition speed and prevent system instability during voltage changes. Packet error checking (PEC) ensures robust communication integrity in noisy automotive environments.
Is the MAX20011BAFOO/VY+T qualified for automotive safety-critical applications?
Yes, the MAX20011BAFOO/VY+T is ASIL C compliant per ISO 26262. It incorporates redundant internal voltage references, built-in self-test (BIST) diagnostics for critical analog blocks, and packet error checking (PEC) on the I²C interface. These features are fully documented in the safety manual and validated across the Grade 1 temperature range (−40°C to +125°C).
What package type does the MAX20011BAFOO/VY+T use, and why is it suitable for automotive applications?
The MAX20011BAFOO/VY+T uses a 3.5mm × 3.75mm, 17-pin side-wettable FC2QFN package. Its side-wettable leads enable automated optical inspection (AOI) of solder joints - a critical requirement for zero-defect automotive manufacturing. The compact footprint and thermal performance support high-density placement in space-constrained ADAS ECUs while maintaining reliable thermal dissipation.
How does the MAX20011BAFOO/VY+T handle load transients in SoC power applications?
The MAX20011BAFOO/VY+T delivers excellent load-transient performance due to its current-mode, forced-PWM architecture and 2.2MHz switching frequency. For an 8A load step, it exhibits <5% output voltage undershoot and recovers within 2µs. Differential remote sensing further improves regulation accuracy at the SoC power pins, compensating for PCB trace resistance and ensuring stable operation during burst compute cycles.
MAX20011BAFOO/VY+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 17-PowerWFQFN
- 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):
- 3V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 0.5V
- Voltage - Output (Max):
- 1.275V
- Current - Output:
- 12A
- Frequency - Switching:
- 1.1MHz, 2.2MHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 17-FC2QFN (3.5x3.75)
MAX20011BAFOO/VY+T FAQ
1.How can I place an order for MAX20011BAFOO/VY+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX20011BAFOO/VY+T 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 MAX20011BAFOO/VY+T reliable?
The price and inventory of MAX20011BAFOO/VY+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX20011BAFOO/VY+T is usually 5 days.
3.What payment methods are accepted for MAX20011BAFOO/VY+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX20011BAFOO/VY+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX20011BAFOO/VY+T?
MAX20011BAFOO/VY+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX20011BAFOO/VY+T 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 MAX20011BAFOO/VY+T?
For technical support, including MAX20011BAFOO/VY+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX20011BAFOO/VY+T requirements.
6.How does Aetrix verify that MAX20011BAFOO/VY+T is sourced from the original manufacturer or authorized distributors?
All MAX20011BAFOO/VY+T 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 MAX20011BAFOO/VY+T meets industry standards.
7.What is the process for return or replacement of MAX20011BAFOO/VY+T?
All MAX20011BAFOO/VY+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX20011BAFOO/VY+T, 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 MAX20011BAFOO/VY+T part is unused and in its original packaging.
Return procedure for MAX20011BAFOO/VY+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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