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Analog Devices Inc./Maxim Integrated MAX20011BAFOO/VY+
- Part No.:
- MAX20011BAFOO/VY+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 17-PowerWFQFN
- Datasheet:
-
MAX20011BAFOO/VY+.pdf
- Description:
- IC REG BUCK PROG 12A 17FC2QFN
- Quantity:
- Payment:
- Shipping:
Inventory:420
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Product details
Overview
The MAX20011BAFOO/VY+ from Analog Devices is a Grade 1 automotive synchronous step-down converter delivering up to 12A peak output current, ±1.5% output-voltage accuracy over load/line/temperature, and I²C-controlled dynamic voltage adjustment (0.5V–1.275V in 6.25mV steps) for SoC core power in ADAS systems.
For engineers reviewing the MAX20011BAFOO/VY+ datasheet, MAX20011BAFOO/VY+ pinout, MAX20011BAFOO/VY+ application, or MAX20011BAFOO/VY+ equivalent, key selection criteria include ASIL C compliance (with BIST, redundant reference, PEC on I²C), 2.2MHz fixed-frequency PWM operation, differential remote sensing, and 3.5mm × 3.75mm 17-pin side-wettable FC2QFN packaging.
Technical Context
The MAX20011BAFOO/VY+ implements current-mode, forced-PWM control with programmable compensation and supports dual switching frequencies (2.2MHz or 1.1MHz). Its integrated low RDS(ON) high-side and low-side MOSFETs enable high efficiency at heavy loads while simplifying PCB layout versus discrete solutions.
Differential remote voltage sensing (RS+, RS−) ensures precise regulation under high-current conditions. The device includes ASIL C–compliant safety features: built-in self-test (BIST), redundant internal voltage reference, packet error checking (PEC) on I²C, and programmable overvoltage/undervoltage protection with ±1% accuracy.
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 fine-grained I²C-adjustable core voltage scaling |
| Switching Frequency | 2.2MHz (default) or 1.1MHz - allows all-ceramic output filtering and reduces EMI via spread-spectrum modulation |
| Output Accuracy | ±1.5% over load/line/temperature - ensures stable SoC operation across automotive thermal extremes |
| Operating Temp | −40°C to +125°C (Grade 1) - qualified for under-hood ADAS ECU environments |
| Safety Compliance | ASIL C - includes BIST, redundant reference, PEC on I²C, and ±1% OV/UV detection |
Pinout & Package
Package: 3.5mm × 3.75mm, 17-pin side-wettable FC2QFN (exposed thermal pad, pin 1 marked).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN | Enable input | Active-high logic control for full device power-up/shutdown sequencing |
| SYNC | Frequency synchronization input | Accepts external clock to synchronize switching with system timing domains |
| RESET | Power-good indicator output | Open-drain signal asserts low during undervoltage or fault conditions |
| SDA / SCL | I²C bidirectional data/clock | Supports dynamic VOUT adjustment, telemetry readback, and safety register access |
| RS+ / RS− | Differential remote sense inputs | Compensates for IR drop across PCB traces to maintain accurate load-point regulation |
| LX | Switch node | Connects to external inductor; requires careful layout to minimize EMI and ringing |
| BST | Bootstrap supply | Charges high-side gate driver via 0.1µF capacitor between BST and LX |
| PGND / GND | Power/ground return paths | Separate PGND (high-current) and GND (signal) pins reduce noise coupling into control circuitry |
Key Features
| Feature | Design Value |
|---|---|
| ASIL C Safety Architecture | Redundant reference, BIST diagnostics, and PEC-secured I²C ensure functional safety compliance for ADAS ECUs |
| Differential Remote Sensing | Eliminates voltage error caused by PCB trace resistance, critical for sub-1V SoC core rails |
| Programmable Soft-Start | Configurable ramp time prevents inrush current and stabilizes power-up sequencing with downstream logic |
| Spread-Spectrum Modulation | Reduces peak radiated emissions by spreading energy across 2.2MHz ±10% band, easing EMC certification |
| Forced-PWM Operation | Maintains constant switching frequency under all load conditions, improving predictability of EMI and transient response |
Applications
| Automotive ADAS Camera ECU | Automotive Radar Processing Unit |
|---|---|
Use Scenario: Powering 12nm/7nm vision SoCs in front-facing camera modules requiring tight voltage tolerance and rapid load transients. IC Role / Device Role / Timing Role: Primary core power supply with dynamic voltage scaling via I²C to match processing workload. Use Value: ±1.5% output accuracy and 2.2MHz PWM ensure stable SoC operation during image capture bursts and AI inference cycles. | Use Scenario: Supplying radar DSP and RF transceiver ICs in 77GHz radar units exposed to under-hood temperature extremes. IC Role / Device Role / Timing Role: High-current, thermally robust point-of-load regulator with ASIL C–verified safety monitoring. Use Value: Grade 1 temperature rating (−40°C to +125°C) and BIST diagnostics support continuous operation in harsh automotive environments. |
| Automotive Domain Controller | Automotive Central Gateway Module |
Use Scenario: Delivering configurable core voltage to multi-core application processors managing vehicle perception, planning, and control functions. IC Role / Device Role / Timing Role: I²C-programmable buck converter enabling firmware-driven DVFS for thermal and power optimization. Use Value: 6.25mV voltage step resolution and programmable slew rate allow precise, glitch-free voltage transitions during mode changes. | Use Scenario: Providing regulated power to CAN FD, Ethernet AVB, and LIN interface controllers in centralized vehicle gateways. IC Role / Device Role / Timing Role: Secondary power rail generator with RESET output for system-level power sequencing and fault signaling. Use Value: Open-drain RESET output interfaces directly with microcontroller reset inputs and supports fail-safe boot initialization. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-current automotive buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPQ4333GQB-AEC1-Z | 8A peak output, no I²C interface, no ASIL C features, 2.2MHz only | Lacks dynamic voltage scaling and safety diagnostics; suitable for non-safety-critical ADAS peripherals | Select when cost sensitivity outweighs need for programmability and functional safety |
| TPS62933QRGZTQ1 | 12A peak, 2.2MHz, I²C interface, but no ASIL C certification or BIST | Supports DVFS but lacks redundant reference and PEC-secured I²C required for ASIL C decomposition | Choose for high-efficiency core power where full ASIL C is not mandated |
Compared with MPQ4333GQB-AEC1-Z and TPS62933QRGZTQ1, the MAX20011BAFOO/VY+ uniquely integrates ASIL C–compliant safety mechanisms-including BIST, redundant reference, and PEC on I²C-alongside 12A capability and fine-resolution dynamic voltage control, making it the only option qualified for safety-critical SoC core rails in production ADAS systems.
Availability
MAX20011BAFOO/VY+ is available at Aetrix Electronics and suitable for automotive ADAS camera ECUs, radar processing units, and domain controllers requiring stable component supply, long-term lifecycle assurance, and ASIL C–compliant power delivery.
Supply support for MAX20011BAFOO/VY+ 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 autonomous driving systems, designed to deliver high-current, safety-certified, and dynamically controllable core power in compact, thermally efficient packages.
FAQ
What is the maximum output current supported by the MAX20011BAFOO/VY+?
The MAX20011BAFOO/VY+ 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. It is specifically optimized for powering high-performance SoCs in ADAS applications where transient current demands exceed 8A.
Does the MAX20011BAFOO/VY+ support dynamic voltage scaling via I²C?
Yes, the MAX20011BAFOO/VY+ supports dynamic voltage scaling through its I²C interface, allowing real-time adjustment of the output voltage from 0.5V to 1.275V in precise 6.25mV steps. The device also provides programmable slew rates to prevent voltage glitches during transitions, ensuring clean power delivery to sensitive SoC cores.
Is the MAX20011BAFOO/VY+ certified for ASIL C compliance?
Yes, the MAX20011BAFOO/VY+ is ASIL C compliant per ISO 26262. Its safety architecture includes redundant internal voltage references, built-in self-test (BIST), packet error checking (PEC) on the I²C bus, and programmable overvoltage/undervoltage detection with ±1% accuracy - all verified and documented in the official Analog Devices safety manual.
What package type does the MAX20011BAFOO/VY+ use, and why is it suitable for automotive applications?
The MAX20011BAFOO/VY+ uses a 3.5mm × 3.75mm, 17-pin side-wettable FC2QFN package with an exposed thermal pad. This package enables automated optical inspection (AOI) of solder joints and improves thermal performance in high-power automotive environments, meeting stringent reliability requirements for under-hood ADAS modules.
How does the MAX20011BAFOO/VY+ handle electromagnetic compatibility (EMC) in noisy automotive environments?
The MAX20011BAFOO/VY+ incorporates spread-spectrum frequency modulation to reduce peak radiated emissions and operates at a fixed 2.2MHz switching frequency to improve noise immunity. Combined with differential remote sensing and forced-PWM mode, these features enhance load-transient response and simplify EMC filter design in automotive ADAS systems.
MAX20011BAFOO/VY+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 17-PowerWFQFN
- Packaging:
- Tray
- 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+ FAQ
1.How can I place an order for MAX20011BAFOO/VY+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX20011BAFOO/VY+ 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+ reliable?
The price and inventory of MAX20011BAFOO/VY+ 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+ is usually 5 days.
3.What payment methods are accepted for MAX20011BAFOO/VY+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX20011BAFOO/VY+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX20011BAFOO/VY+?
MAX20011BAFOO/VY+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX20011BAFOO/VY+ 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+?
For technical support, including MAX20011BAFOO/VY+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX20011BAFOO/VY+ requirements.
6.How does Aetrix verify that MAX20011BAFOO/VY+ is sourced from the original manufacturer or authorized distributors?
All MAX20011BAFOO/VY+ 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+ meets industry standards.
7.What is the process for return or replacement of MAX20011BAFOO/VY+?
All MAX20011BAFOO/VY+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX20011BAFOO/VY+, 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+ part is unused and in its original packaging.
Return procedure for MAX20011BAFOO/VY+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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