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Analog Devices Inc./Maxim Integrated MAX20010DATPR/V+T
- Part No.:
- MAX20010DATPR/V+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 20-WFQFN Exposed Pad
- Datasheet:
-
MAX20010DATPR/V+T.pdf
- Description:
- IC REG BUCK ADJ 6A 20TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,449
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Product details
Overview
The MAX20010DATPR/V+T 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–5.5V input, regulates 0.5V–1.5875V output, and features I²C-controlled dynamic voltage scaling, 2.2MHz fixed-frequency PWM, and AEC-Q100 qualification for under-hood applications.
For engineers reviewing the MAX20010DATPR/V+T datasheet, MAX20010DATPR/V+T pinout, MAX20010DATPR/V+T application, or MAX20010DATPR/V+T equivalent, key selection criteria include its 20-pin TQFN-EP package with exposed thermal pad, programmable spread-spectrum EMI reduction, differential remote sensing capability, and factory-preset + I²C-adjustable output voltage with 10mV/12.5mV step resolution.
Technical Context
This IC implements current-mode control with integrated high-side (31mΩ typ) and low-side (18mΩ typ) MOSFETs, enabling efficient 6A operation without external power switches. Its dual-mode operation-forced-PWM at 2.2MHz (±10%) or skip mode at light load-balances transient response and efficiency.
The device integrates analog functions including remote voltage sensing (RS+/RS−), open-drain PGOOD with UV/OV thresholds (±3% hysteresis), thermal shutdown at 165°C, and overcurrent protection with automatic retry. The I²C interface supports full register access (VID, CONFIG, STATUS, SLEW) at up to 3.4MHz, enabling real-time DVS slew rate control and fault monitoring.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3.0V to 5.5V - Supports direct connection to automotive battery rail with cold-crank margin. |
| Output Voltage Range | 0.5V to 1.5875V - Programmable via I²C in 10mV steps (0.5–1.27V) or 12.5mV steps (0.625–1.5875V). |
| Max Output Current | 6A - Delivered continuously with thermal management via exposed pad and θJA = 33°C/W. |
| Output Accuracy | ±2% - Guaranteed over full -40°C to +125°C junction temperature, load (0–6A), and line (3.0–5.5V). |
| Switching Frequency | 2.2MHz (typ), 2.0–2.4MHz - Enables use of small all-ceramic output capacitors and compact PCB layout. |
| EMI Reduction | Programmable ±3% spread-spectrum modulation - Reduces peak radiated emissions without external components. |
| Protection Features | Overcurrent (9.7A typ trip), overtemperature (165°C shutdown), short-circuit recovery, PGOOD with 256-clock timeout. |
Pinout & Package
MAX20010DATPR/V+T is housed in a 20-pin, 4mm × 4mm thermally enhanced TQFN package with exposed pad (EP), RoHS-compliant, rated for -40°C to +125°C ambient operation. The exposed pad must be soldered to a thermal plane for reliable 6A performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LX (Pins 1–4) | Switch Node | Connects directly to inductor switch node; multiple pins reduce parasitic inductance and improve thermal conduction. |
| PGND (Pins 5–7) | Power Ground Return | Low-impedance return path for high-current switching loop; must be tied to EP and local ground plane. |
| SDA / SCL (Pins 8–9) | I²C Serial Interface | Supports 3.4MHz clock rate; requires ≥500Ω pull-up resistors; enables dynamic voltage adjustment and status readback. |
| RS+ / RS− (Pins 10–11) | Differential Remote Sense Inputs | Compensates for IR drop in PCB traces; improves output regulation accuracy at load point. |
| PG (Pin 12) | Open-Drain Power-Good | Asserts low when VOUT is outside ±3% window; includes 120μs delay after regulation and 256-clock timeout. |
| EN (Pin 13) | Enable Input | Active-high; initiates soft-start (140μs delay) or soft-shutdown (5.5mV/μs ramp-down). |
| SYNC (Pin 14) | Frequency Control I/O | Configurable as input (1.8–2.6MHz sync source) or output (2.2MHz PWM clock); enables system-level timing coordination. |
| 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); allows up to 8 devices on same I²C bus. |
| PV (Pins 18–20) | Main Power Input | Accepts 3.0–5.5V; requires ≥4.7μF ceramic capacitor to PGND per pin for stable high-frequency operation. |
| EP | Exposed Thermal Pad | Must be soldered to PCB thermal plane; primary heat dissipation path (θJC = 2°C/W). |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade-1 Qualification | Validated for automotive under-hood operation from -40°C to +125°C junction temperature. |
| Integrated Dual MOSFETs | 31mΩ pMOS + 18mΩ nMOS RDS(ON) - Eliminates external switches and reduces BOM count/layout complexity. |
| Programmable Soft-Start & DVS Slew Rate | Configurable from 5.5 to 44 mV/μs - Prevents inrush current and enables controlled core voltage transitions. |
| Differential Remote Sensing | RS+/RS− inputs - Compensates for up to 100mV IR drop in power delivery network, maintaining ±2% regulation at load. |
| Multi-Mode Operation | Forced-PWM, skip, and spread-spectrum - Optimizes efficiency vs. noise vs. transient response per system requirement. |
Applications
| ADAS Camera Module Power | Automotive Infotainment SoC Core Rail |
|---|---|
Use Scenario: Powers image signal processor (ISP) and MIPI CSI-2 interface in 12V-powered rear-view camera modules. IC Role / Device Role / Timing Role: Primary 6A buck regulator supplying 0.85V core voltage with dynamic voltage scaling during low-power modes. Use Value: ±2% output accuracy ensures stable ISP operation across temperature; 2.2MHz switching avoids interference with video clock harmonics. | Use Scenario: Supplies configurable core voltage to application processors (e.g., NXP i.MX8, Qualcomm SA8155) in head-unit systems. IC Role / Device Role / Timing Role: I²C-programmable step-down converter delivering 0.625V–1.27V at up to 6A with 10mV resolution. Use Value: Dynamic voltage scaling via I²C reduces SoC power consumption by >25% during idle states without firmware changes. |
| Automotive Radar Transceiver Bias | Telematics Control Unit (TCU) Memory Rail |
Use Scenario: Provides clean, low-noise 1.2V supply to RF transceiver ICs in 77GHz radar front-ends. IC Role / Device Role / Timing Role: Low-EMI buck regulator using spread-spectrum and forced-PWM to meet CISPR 25 Class 5 emission limits. Use Value: Integrated spread-spectrum reduces peak radiated emissions by 10dBµV/m, eliminating need for external EMI filters. | Use Scenario: Generates 1.1V DDR memory rail for LTE/C-V2X modems in telematics gateways operating from 12V battery. IC Role / Device Role / Timing Role: High-precision post-regulator with remote sensing to maintain tight voltage tolerance despite long PCB traces. Use Value: Differential sensing maintains ±1.5% regulation at DDR IC pins, preventing data corruption during burst transfers. |
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-A | 4.5–36V input range; 6A max; no I²C interface; fixed 2.2MHz frequency; no spread-spectrum. | Designed for wider-input industrial/automotive systems; lacks dynamic voltage scaling and EMI optimization features. | Choose when input exceeds 5.5V or I²C control is unnecessary; verify thermal design for higher VIN stress. |
| TPS546B24RVFT | 4–18V input; 10A max; PMBus interface; 300kHz–2MHz programmable frequency; no spread-spectrum. | Targets higher-current server/telecom rails; supports telemetry and advanced sequencing not required in automotive SoC supplies. | Prefer for multi-rail systems needing PMBus telemetry; avoid where AEC-Q100 qualification and 2.2MHz EMI performance are mandatory. |
Compared with MPQ4436GL-A and TPS546B24RVFT, the MAX20010DATPR/V+T uniquely combines AEC-Q100 Grade-1 qualification, I²C-based DVS with 10mV resolution, integrated spread-spectrum, and 3.0–5.5V optimized input range-making it the only solution qualified for safety-critical automotive core rail applications requiring precise, low-noise, dynamically adjustable 6A power.
Availability
MAX20010DATPR/V+T is available at Aetrix Electronics and suitable for automotive ADAS camera modules, infotainment SoC core rails, and radar transceiver bias supplies requiring stable component supply, AEC-Q100 compliance, and production-ready thermal performance.
Supply support for MAX20010DATPR/V+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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving automotive, industrial, communications, and healthcare markets.
The MAX20010 family belongs to Analog Devices' automotive power management portfolio, engineered specifically for demanding under-hood point-of-load regulation with emphasis on precision, low EMI, and functional safety readiness.
FAQ
What is the maximum continuous output current supported by the MAX20010DATPR/V+T?
The MAX20010DATPR/V+T delivers up to 6A continuous output current under thermal-limited conditions. This rating assumes proper PCB layout with the exposed pad soldered to a thermal plane, ambient temperature ≤ +70°C, and use of recommended input/output capacitors. At full load and +125°C ambient, derating applies per the 33°C/W θJA specification. The IC includes overcurrent protection that trips at ~9.7A typical to safeguard against short-circuit events.
Does the MAX20010DATPR/V+T support dynamic voltage scaling (DVS) and how is it implemented?
Yes, the MAX20010DATPR/V+T supports dynamic voltage scaling via its I²C interface. The output voltage is set using the 7-bit VID register (0x07), allowing adjustment from 0.5V to 1.27V in 10mV steps or 0.625V to 1.5875V in 12.5mV steps depending on the VSTEP bit (CONFIG register, bit 7). Slew rate is independently programmable (5.5–44 mV/μs) via the SLEW register (0x05), ensuring controlled transitions without violating SoC voltage ramp requirements. All settings persist until rewritten.
What package type and thermal characteristics does the MAX20010DATPR/V+T have?
The MAX20010DATPR/V+T uses a 20-pin, 4mm × 4mm TQFN-EP package with an exposed thermal pad (EP). Its thermal resistance is θJA = 33°C/W and θJC = 2°C/W on a four-layer JEDEC-standard board. The exposed pad must be soldered to a dedicated thermal copper plane for effective heat dissipation. This construction enables reliable 6A operation within the -40°C to +125°C junction temperature range required for automotive under-hood deployment.
How does the MAX20010DATPR/V+T handle electromagnetic interference (EMI) in sensitive automotive environments?
The MAX20010DATPR/V+T reduces EMI through three integrated mechanisms: (1) 2.2MHz fixed-frequency operation minimizes energy in lower-frequency bands; (2) programmable ±3% spread-spectrum modulation lowers peak radiated emissions; and (3) frequency synchronization (SYNC pin) enables phase alignment with other converters to cancel harmonic coupling. These features collectively help meet CISPR 25 Class 5 emission limits without requiring external EMI filters in most automotive PCB layouts.
Is the MAX20010DATPR/V+T qualified for automotive applications and what standards does it meet?
Yes, the MAX20010DATPR/V+T is AEC-Q100 qualified Grade-1 (−40°C to +125°C ambient), making it suitable for engine compartment and other harsh automotive environments. It meets automotive reliability standards including HTOL, UHAST, TC, and ESD testing per AEC-Q100 Rev H. The device also incorporates functional safety features such as PGOOD with timeout, thermal shutdown with hysteresis, and overcurrent protection with auto-retry-supporting ASIL-B system-level compliance when used per manufacturer guidelines.
MAX20010DATPR/V+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 20-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- 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):
- 0.9V
- 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)
MAX20010DATPR/V+T FAQ
1.How can I place an order for MAX20010DATPR/V+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX20010DATPR/V+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 MAX20010DATPR/V+T reliable?
The price and inventory of MAX20010DATPR/V+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX20010DATPR/V+T is usually 5 days.
3.What payment methods are accepted for MAX20010DATPR/V+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX20010DATPR/V+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX20010DATPR/V+T?
MAX20010DATPR/V+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX20010DATPR/V+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 MAX20010DATPR/V+T?
For technical support, including MAX20010DATPR/V+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX20010DATPR/V+T requirements.
6.How does Aetrix verify that MAX20010DATPR/V+T is sourced from the original manufacturer or authorized distributors?
All MAX20010DATPR/V+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 MAX20010DATPR/V+T meets industry standards.
7.What is the process for return or replacement of MAX20010DATPR/V+T?
All MAX20010DATPR/V+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX20010DATPR/V+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 MAX20010DATPR/V+T part is unused and in its original packaging.
Return procedure for MAX20010DATPR/V+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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