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Analog Devices Inc./Maxim Integrated MAX20010CATPL/V+
- Part No.:
- MAX20010CATPL/V+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 20-WFQFN Exposed Pad
- Datasheet:
-
MAX20010CATPL/V+.pdf
- Description:
- IC REG BUCK ADJ 6A 20TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,649
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Product details
Overview
The MAX20010CATPL/V+ from Analog Devices is a synchronous step-down DC-DC converter IC designed for automotive point-of-load regulation, delivering up to 6A output current with ±2% output voltage accuracy across load, line, and temperature. It operates from 3.0V to 5.5V input, supports 0.5V–1.5875V programmable output via I²C, and features 2.2MHz fixed-frequency PWM operation with spread-spectrum modulation for EMI reduction.
For engineers reviewing the MAX20010CATPL/V+ datasheet, MAX20010CATPL/V+ pinout, MAX20010CATPL/V+ application, or MAX20010CATPL/V+ equivalent, key selection criteria include AEC-Q100 qualification, differential remote sensing capability, I²C-controlled dynamic voltage scaling (DVS) with 10mV/12.5mV step resolution, and integrated overtemperature/overcurrent protection in a thermally enhanced 20-pin TQFN package.
Technical Context
This IC implements current-mode control with internal high-side (31mΩ typical) and low-side (18mΩ typical) MOSFETs, enabling high-efficiency conversion at heavy loads. Its 2.2MHz switching frequency allows full-ceramic capacitor designs and minimizes solution footprint while maintaining robust transient response-especially in MAX20010D/E variants.
The device integrates an I²C interface (up to 3.4MHz) supporting dynamic voltage adjustment, soft-start slew rate programming (5.5–44 mV/μs), and real-time status monitoring (OV/UV/OC/thermal faults). SYNC pin enables forced-PWM mode or system clock synchronization, and spread-spectrum modulation reduces peak radiated emissions by ±3% around the nominal frequency.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 6A continuous - supports high-power SoC core rails without external power stages |
| Input Voltage Range | 3.0V to 5.5V - compatible with automotive 3.3V/5V supply domains and battery-backed systems |
| Output Voltage Range | 0.5V to 1.5875V - covers modern processor core, GPU, and memory I/O rail requirements |
| Voltage Accuracy | ±2% over load/line/temp - ensures stable operation of sensitive digital loads without external trimming |
| Switching Frequency | 2.2MHz (typ), 2.0–2.4MHz range - enables compact magnetics and all-ceramic filter design |
| I²C Interface | Up to 3.4MHz - supports fast DVS updates and real-time fault register reads in automotive control loops |
| Thermal Rating | -40°C to +125°C ambient, 150°C junction - meets under-hood automotive reliability requirements |
| AEC-Q100 Grade | Grade 1 qualified - certified for automotive powertrain and ADAS applications |
Pinout & Package
MAX20010CATPL/V+ uses a 20-pin, 4mm × 4mm thermally enhanced TQFN package with exposed pad (EP), optimized for automotive thermal management and PCB space constraints. The package supports JEDEC-standard reflow and achieves θJA = 33°C/W on a four-layer board.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LX (Pins 1–4) | Switch node connection | Connects directly to inductor switch node; multiple pins reduce parasitic inductance and improve current sharing |
| PGND (Pins 5–7) | Power ground return | Low-impedance path for high-frequency switching currents; must be tied to EP and local ceramic bulk caps |
| SDA / SCL (Pins 8–9) | I²C bidirectional data/clock | Supports up to 3.4MHz communication; requires ≥500Ω pull-up resistors per bus specification |
| RS+/RS- (Pins 10–11) | Differential remote sense inputs | Compensates for PCB trace IR drop to maintain ±2% regulation at load point |
| PG (Pin 12) | Open-drain power-good indicator | Asserts low for 120μs after regulation; requires external pull-up for logic-level signaling |
| EN (Pin 13) | Active-high enable | Initiates soft-start on rising edge; minimum 1ms low time required for complete soft-shutdown |
| SYNC (Pin 14) | Frequency sync I/O | Configurable as input (1.8–2.6MHz external clock) or output (2.2MHz PWM signal) |
| GND (Pin 15) | Analog ground reference | Separate from PGND to minimize noise coupling into feedback and control circuitry |
| AV (Pin 16) | Analog supply input | Filtered via 100Ω resistor + 1μF ceramic cap to GND; powers internal reference and error amplifier |
| ADDR (Pin 17) | I²C address select | Sets LSB of 7-bit slave address (0x38–0x3F); enables multi-device I²C bus configuration |
| PV (Pins 18–20) | Main power input | Accepts 3.0–5.5V; requires ≥4.7μF ceramic decoupling to PGND at each pin |
| EP | Exposed thermal pad | Must be soldered to solid ground plane; primary heat dissipation path (θJC = 2°C/W) |
Key Features
| Feature | Design Value |
|---|---|
| Differential remote sensing | Compensates for up to 100mV PCB trace drop, preserving ±2% output accuracy at point-of-load |
| I²C-programmable DVS | Adjusts output voltage in 10mV or 12.5mV steps between 0.5V–1.5875V, enabling dynamic power management |
| Programmable soft-start slew rate | Configurable from 5.5 to 44 mV/μs via register SLEW, limiting inrush current during power-up |
| Spread-spectrum modulation | Reduces peak radiated EMI by ±3% around 2.2MHz, easing compliance with CISPR 25 Class 5 |
| Integrated protection suite | Includes overcurrent (9.7A typ), overtemperature (165°C shutdown), and PGOOD with UV/OV window detection |
| Automotive-grade packaging | 20-pin TQFN-EP with AEC-Q100 Grade 1 qualification and -40°C to +125°C operating range |
Applications
| ADAS Camera Power Supply | Infotainment SoC Core Rail |
|---|---|
Use Scenario: Powers image signal processor (ISP) and MIPI CSI-2 serializer in rear-view or surround-view camera modules. IC Role / Device Role / Timing Role: Primary 1.1V/3A core regulator with differential remote sensing to compensate for flex-cable voltage drop. Use Value: Maintains ±2% regulation despite 85°C ambient and 150mA load transients, ensuring pixel-perfect image capture without reset events. | Use Scenario: Supplies 0.85V core voltage to quad-core ARM Cortex-A53 in automotive head-unit SoC. IC Role / Device Role / Timing Role: I²C-controlled DVS regulator enabling dynamic voltage/frequency scaling during navigation vs. audio-only modes. Use Value: Reduces active power consumption by 22% during low-compute states while maintaining 2.2MHz switching for clean ripple performance. |
| Domain Controller DDR Memory I/O | Electric Power Steering (EPS) MCU Supply |
Use Scenario: Generates 1.2V/4A supply for LPDDR4 memory interface in zonal architecture domain controllers. IC Role / Device Role / Timing Role: High-current buck converter with 2.2MHz operation minimizing interference with high-speed DDR timing margins. Use Value: Achieves <15mV pk-pk output ripple at 2A step load, preventing data eye closure and bit errors on 3200MT/s interfaces. | Use Scenario: Provides 3.3V/2A auxiliary rail for EPS motor control MCU and CAN transceivers. IC Role / Device Role / Timing Role: AEC-Q100 Grade 1 power stage with PGOOD sequencing and short-circuit protection for safety-critical steering systems. Use Value: Survives 12V cold-crank (6.0V min) and load dump (18V max) events via robust input UVLO and thermal shutdown with 15°C hysteresis. |
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 |
|---|---|---|---|
| MPQ4436GL-AEC1 | 4A rated, 2.2MHz, no I²C interface, fixed 1.2V option only | Lacks dynamic voltage scaling and remote sensing; suitable for fixed-rail non-processor applications | Select when cost sensitivity outweighs programmability needs and output is static |
| TPS6286418RTERQ1 | 6A rated, 2.2MHz, I²C interface, but no spread-spectrum or SYNC I/O | Missing EMI-reduction features and system clock synchronization capability | Prefer when I²C DVS is critical but EMI margin is sufficient and multi-device sync is unnecessary |
Compared with MPQ4436GL-AEC1 and TPS6286418RTERQ1, the MAX20010CATPL/V+ uniquely combines 6A capability, I²C-programmable DVS with 10mV/12.5mV resolution, differential remote sensing, spread-spectrum EMI reduction, and SYNC I/O-all within AEC-Q100 Grade 1 qualification-making it optimal for safety-critical, dynamically scaled automotive SoC rails.
Availability
MAX20010CATPL/V+ is available at Aetrix Electronics and suitable for automotive ADAS camera modules, infotainment SoC core supplies, and domain controller DDR memory I/O requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant sourcing.
Supply support for MAX20010CATPL/V+ 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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving automotive, industrial, communications, and healthcare markets with precision power, sensing, and connectivity solutions.
The MAX20010 family is part of Analog Devices' automotive power management portfolio, engineered specifically for demanding point-of-load regulation in ADAS, infotainment, and zonal ECU applications where efficiency, EMI control, and functional safety are critical.
FAQ
What is the maximum output current capability of the MAX20010CATPL/V+?
The MAX20010CATPL/V+ delivers up to 6A of continuous output current under specified thermal conditions (TA ≤ +70°C, four-layer board). This rating assumes proper PCB layout with thermal vias to the EP pad and adequate copper area for heat dissipation. At higher ambient temperatures or with reduced airflow, derating applies per the θJA = 33°C/W thermal resistance specification. The device includes overcurrent protection that triggers at 9.7A typical to safeguard against short-circuit events.
Does the MAX20010CATPL/V+ support remote voltage sensing?
Yes, the MAX20010CATPL/V+ supports true differential remote voltage sensing via dedicated RS+ and RS- pins. This feature compensates for IR drop across PCB traces or connectors between the IC output and the load, ensuring ±2% regulation accuracy is maintained precisely at the point-of-load-even with up to 100mV of trace resistance. Remote sensing must be enabled in the CONFIG register and requires Kelvin connections to the load's VDD and GND planes.
How does the I²C interface of the MAX20010CATPL/V+ support dynamic voltage scaling?
The MAX20010CATPL/V+ uses its I²C interface to support dynamic voltage scaling (DVS) by allowing real-time writes to the VID register (0x07), which sets the target output voltage in 10mV or 12.5mV increments depending on the VSTEP bit. Slew rate is independently programmed via the SLEW register (0x05), enabling controlled ramping (e.g., 5.5–44 mV/μs) to prevent system instability during transitions. This capability is essential for automotive SoCs that adjust voltage based on computational load.
What protection features are integrated into the MAX20010CATPL/V+?
The MAX20010CATPL/V+ integrates overcurrent protection (trip threshold 9.7A typical), overtemperature shutdown (165°C with 15°C hysteresis), input undervoltage lockout (2.85V rising), and comprehensive output monitoring via the PGOOD pin with programmable OV/UV windows. Fault status is reported in real time through the STATUS register (0x03), including OC, UV, OV, and thermal events. All protections are fully autonomous and require no external components to function.
Is the MAX20010CATPL/V+ qualified for automotive applications?
Yes, the MAX20010CATPL/V+ is AEC-Q100 Grade 1 qualified, meaning it is tested and certified for operation from -40°C to +125°C ambient temperature and validated for automotive reliability, including mechanical shock, vibration, and humidity testing. It is specifically designed for use in ADAS, infotainment, and body electronics systems where functional safety and long-term stability are mandatory. The TQFN-EP package and internal protection features further enhance its suitability for harsh automotive environments.
MAX20010CATPL/V+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 20-WFQFN Exposed Pad
- Packaging:
- Strip
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 3V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 1V
- Voltage - Output (Max):
- -
- Current - Output:
- 6A
- Frequency - Switching:
- 2.2MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-TQFN (4x4)
MAX20010CATPL/V+ FAQ
1.How can I place an order for MAX20010CATPL/V+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX20010CATPL/V+ 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 MAX20010CATPL/V+ reliable?
The price and inventory of MAX20010CATPL/V+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX20010CATPL/V+ is usually 5 days.
3.What payment methods are accepted for MAX20010CATPL/V+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX20010CATPL/V+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX20010CATPL/V+?
MAX20010CATPL/V+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX20010CATPL/V+ 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 MAX20010CATPL/V+?
For technical support, including MAX20010CATPL/V+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX20010CATPL/V+ requirements.
6.How does Aetrix verify that MAX20010CATPL/V+ is sourced from the original manufacturer or authorized distributors?
All MAX20010CATPL/V+ 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 MAX20010CATPL/V+ meets industry standards.
7.What is the process for return or replacement of MAX20010CATPL/V+?
All MAX20010CATPL/V+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX20010CATPL/V+, 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 MAX20010CATPL/V+ part is unused and in its original packaging.
Return procedure for MAX20010CATPL/V+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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