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Analog Devices Inc./Maxim Integrated MAX20010CATPW/V+
- Part No.:
- MAX20010CATPW/V+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 20-WFQFN Exposed Pad
- Datasheet:
-
MAX20010CATPW/V+.pdf
- Description:
- IC REG BUCK PROG 6A 20TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,264
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Product details
Overview
The MAX20010CATPW/V+ from Analog Devices is a high-efficiency, AEC-Q100 qualified synchronous step-down DC-DC converter delivering up to 6A output current with ±2% output voltage accuracy over load, line, and temperature. It operates from 3.0V to 5.5V input and supports programmable output voltages from 0.5V to 1.5875V in 10mV or 12.5mV steps via I²C interface. Designed for automotive point-of-load regulation, it integrates low RDS(ON) pMOS (31mΩ typ) and nMOS (18mΩ typ) switches and features 2.2MHz fixed-frequency PWM operation.
For engineers reviewing the MAX20010CATPW/V+ datasheet, MAX20010CATPW/V+ pinout, MAX20010CATPW/V+ application, or MAX20010CATPW/V+ equivalent, key selection considerations include its AEC-Q100 qualification, differential remote sensing capability, spread-spectrum EMI reduction, forced-PWM/skip-mode flexibility, and I²C-controlled dynamic voltage scaling for ADAS and infotainment SoCs.
Technical Context
The MAX20010CATPW/V+ implements a current-mode, synchronous buck architecture with integrated power MOSFETs and a precision error amplifier. Its 2.2MHz switching frequency enables all-ceramic capacitor designs and minimizes solution footprint, while programmable spread-spectrum modulation reduces peak radiated emissions by ±3%.
It supports three operating modes-forced-PWM (FPWM), skip, and synchronization-via the dual-function SYNC pin. The device uses differential remote sense (RS+/RS−) for accurate load-point regulation and includes a dedicated analog supply (AV) with internal filtering to enhance noise immunity in noisy automotive environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3.0V to 5.5V - Supports direct connection to automotive battery rail (with transient protection) and post-LDO supplies. |
| Output Current | Up to 6A - Sufficient for powering modern automotive processors, FPGAs, and domain controllers without external current boosting. |
| Output Voltage Accuracy | ±2% over load/line/temp - Ensures stable core voltage for safety-critical applications like radar MCU and camera ISPs. |
| Switching Frequency | 2.2MHz (typ), 2.0–2.4MHz range - Enables compact magnetics and avoids AM radio band; supports synchronization to external clock. |
| I²C Interface | Up to 3.4MHz, 7-bit slave address with ADDR pin select - Allows dynamic voltage scaling (DVS) and real-time telemetry in multi-rail systems. |
| Thermal Protection | 165°C thermal shutdown with 15°C hysteresis - Prevents permanent damage during sustained overload or poor heatsinking in under-hood environments. |
| EMI Reduction | Programmable ±3% spread-spectrum modulation - Lowers peak EMI by spreading energy across frequency band, easing CISPR 25 Class 5 compliance. |
Pinout & Package
MAX20010CATPW/V+ is housed in a 20-pin TQFN-EP package (4mm × 4mm, 0.5mm pitch) with exposed thermal pad (EP) soldered to PCB ground plane for enhanced thermal performance (θJA = 33°C/W on 4-layer board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–4, 18–20 (LX, PV) | Power switch node / Input supply | LX pins connect directly to inductor; PV pins accept 3.0–5.5V input and require ≥4.7µF ceramic decoupling to PGND. |
| 5–7, EP (PGND) | Power ground return path | Low-impedance return for high di/dt switching currents; EP must be connected to system ground for thermal and electrical integrity. |
| 8–9 (SDA, SCL) | I²C serial interface | Supports up to 3.4MHz communication; requires external pullups (>500Ω); immune to bus noise via built-in spike suppression. |
| 10–11 (RS−, RS+) | Differential remote sense inputs | Enable precise regulation at load by compensating for PCB trace IR drop; critical for <1% output tolerance at point-of-load. |
| 12 (PG) | Open-drain power-good indicator | Asserts low for 120µs after VOUT enters regulation window; requires external pullup for logic-level signaling to host controller. |
| 13 (EN) | Active-high enable input | Initiates soft-start (ramp-up) when high; triggers controlled 5.5mV/µs shutdown when pulled low for ≥1ms. |
| 14 (SYNC) | Configurable sync I/O | Factory-configured as input (enables FPWM/skip) or output (provides 2.2MHz clock); supports external clock injection (1.8–2.6MHz). |
| 15 (GND) | Analog ground reference | Separate from PGND to isolate noise-sensitive analog circuitry (error amp, reference, VID DAC) from high-current switching paths. |
| 16 (AV) | Analog supply input | Filtered via 100Ω resistor + 1µF ceramic cap to GND; powers internal reference and control logic for improved PSRR. |
| 17 (ADDR) | I²C address select | Configures LSB of 7-bit slave address (0x38–0x3F); allows up to 8 devices on same I²C bus without address conflict. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade-1 qualification | Validated for -40°C to +125°C ambient operation - meets automotive reliability and stress-test requirements for engine bay and cabin modules. |
| Differential remote sensing (RS+/RS−) | Compensates for up to 100mV IR drop between regulator and load - ensures ±2% regulation accuracy at actual SoC VDD pins. |
| Programmable DVS slew rate | Configurable soft-start and voltage transition rates (5.5–44 mV/µs) - prevents inrush current spikes and enables coordinated rail sequencing. |
| Integrated pMOS/nMOS switches | 31mΩ/18mΩ RDS(ON) at 5V - eliminates discrete FETs and gate drivers, reducing BOM count and layout complexity. |
| Three-phase PWM mode control | FPWM, skip, and sync modes selectable via CONFIG register or SYNC pin - balances efficiency (skip) vs. noise immunity (FPWM) per system state. |
Applications
| Advanced Driver Assistance Systems (ADAS) | Automotive Infotainment Processors |
|---|---|
Use Scenario: Powering 7nm/5nm radar SoCs (e.g., TI AWR2944, NXP S32R45) requiring tightly regulated 0.75V–0.95V core rails with fast transient response. IC Role / Device Role / Timing Role: Primary point-of-load regulator with differential remote sensing and I²C-controlled DVS for dynamic power management during object detection cycles. Use Value: Maintains ±2% output accuracy despite 4A load steps in <1µs, enabling reliable real-time processing without voltage droop-induced timing violations. | Use Scenario: Supplying quad-core application processors (e.g., Qualcomm SA8155P, Renesas R-Car H3) with multiple voltage domains including CPU, GPU, and memory I/O. IC Role / Device Role / Timing Role: High-current buck converter for CPU core rail (0.625V–1.27V), synchronized to system clock via SYNC pin to minimize beat-frequency noise. Use Value: 2.2MHz operation avoids AM/FM interference bands; spread-spectrum mode reduces radiated emissions below CISPR 25 Class 5 limits. |
| Automotive Camera Modules | Body Control Modules (BCM) |
Use Scenario: Regulating image sensor and ISP voltage rails (0.8V–1.1V) in surround-view and driver-monitoring cameras exposed to wide temperature swings. IC Role / Device Role / Timing Role: Automotive-grade DC-DC with -40°C to +125°C operation and thermal shutdown, supporting remote sensing to compensate for flex-cable voltage drop. Use Value: Differential sensing maintains <1% output deviation across -40°C to +105°C junction temperature, ensuring consistent image quality and ADC linearity. | Use Scenario: Powering microcontrollers (e.g., Infineon TC3xx, ST SPC58) and CAN transceivers in door modules, lighting controllers, and seat control units. IC Role / Device Role / Timing Role: Compact, robust 6A buck converter replacing discrete solutions; PGOOD output enables safe startup sequencing with MCU reset assertion. Use Value: Integrated overcurrent and overtemperature protection eliminates need for external fault monitoring circuits, reducing system-level BOM cost and footprint. |
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-Z | 4A rated, 2.2MHz, AEC-Q100 Grade-1, no I²C interface, fixed or resistor-programmed VOUT | Lacks dynamic voltage scaling and remote sensing; suitable only for static-voltage applications. | Select when I²C control and DVS are unnecessary and lower current (≤4A) suffices. |
| TPS6286418ARQYR | 6A, 2.2MHz, AEC-Q100 Grade-1, I²C interface, but no differential remote sensing or spread-spectrum EMI reduction | Requires external compensation for load-step response; higher radiated emissions in unshielded enclosures. | Prefer when TI ecosystem integration (e.g., Fusion Digital Power GUI) is prioritized over EMI performance and sensing accuracy. |
Compared with MPQ4436GL-AEC1-Z and TPS6286418ARQYR, the MAX20010CATPW/V+ uniquely combines 6A capability, I²C-programmable DVS, differential remote sensing, and spread-spectrum EMI reduction in a single AEC-Q100 Grade-1 package - making it optimal for safety-critical, noise-sensitive automotive SoC power delivery where precision and compliance are non-negotiable.
Availability
MAX20010CATPW/V+ is available at Aetrix Electronics and suitable for automotive ADAS, infotainment, camera, and body electronics applications requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for MAX20010CATPW/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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving automotive, industrial, communications, and healthcare markets.
The MAX20010 series belongs to Analog Devices' automotive power management portfolio, designed specifically for high-reliability, low-noise, and thermally robust DC-DC conversion in demanding vehicle environments - especially for next-generation ADAS and centralized compute architectures.
FAQ
What is the maximum output current capability of the MAX20010CATPW/V+?
The MAX20010CATPW/V+ delivers up to 6A continuous output current under typical thermal conditions (θJA = 33°C/W on a 4-layer board). Its integrated 31mΩ pMOS and 18mΩ nMOS switches enable high efficiency at full load, and thermal shutdown at 165°C protects against sustained overload. Actual achievable current depends on PCB layout, airflow, and input/output voltage differentials.
Does the MAX20010CATPW/V+ support remote voltage sensing?
Yes, the MAX20010CATPW/V+ supports true differential remote sensing via dedicated RS+ and RS− pins. This feature compensates for IR drop across PCB traces or connectors between the regulator and load, ensuring ±2% output voltage accuracy at the point-of-load - critical for powering sensitive automotive SoCs and image sensors.
How does the I²C interface of the MAX20010CATPW/V+ enable dynamic voltage scaling?
The MAX20010CATPW/V+ uses its I²C interface (up to 3.4MHz) to read/write registers controlling output voltage (VID register), slew rate (SLEW register), and operating mode (CONFIG register). With programmable 10mV or 12.5mV steps and configurable ramp rates (5.5–44 mV/µs), it enables precise, software-controlled DVS for automotive processors during active/idle states - implemented without external DACs or sequencers.
Is the MAX20010CATPW/V+ qualified for automotive applications?
Yes, the MAX20010CATPW/V+ is AEC-Q100 Grade-1 qualified, rated for operation from -40°C to +125°C ambient temperature, and designed to meet stringent automotive reliability, EMI, and functional safety requirements. Its integrated protections - including overcurrent, overtemperature, and PGOOD monitoring - align with ASIL-B system-level needs in ADAS and infotainment domains.
What packaging and thermal characteristics define the MAX20010CATPW/V+?
The MAX20010CATPW/V+ uses a 20-pin TQFN-EP package (4mm × 4mm, 0.5mm pitch) with an exposed thermal pad (EP). On a standard 4-layer PCB, it achieves θJA = 33°C/W and θJC = 2°C/W. The EP must be soldered to a solid ground plane for optimal thermal performance and electrical stability - essential for maintaining 6A output in under-hood automotive environments.
MAX20010CATPW/V+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 20-WFQFN Exposed Pad
- Packaging:
- Tube
- 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):
- 1.5875V
- Current - Output:
- 6A
- Frequency - Switching:
- 2.2MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-TQFN (4x4)
MAX20010CATPW/V+ FAQ
1.How can I place an order for MAX20010CATPW/V+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX20010CATPW/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 MAX20010CATPW/V+ reliable?
The price and inventory of MAX20010CATPW/V+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX20010CATPW/V+ is usually 5 days.
3.What payment methods are accepted for MAX20010CATPW/V+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX20010CATPW/V+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX20010CATPW/V+?
MAX20010CATPW/V+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX20010CATPW/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 MAX20010CATPW/V+?
For technical support, including MAX20010CATPW/V+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX20010CATPW/V+ requirements.
6.How does Aetrix verify that MAX20010CATPW/V+ is sourced from the original manufacturer or authorized distributors?
All MAX20010CATPW/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 MAX20010CATPW/V+ meets industry standards.
7.What is the process for return or replacement of MAX20010CATPW/V+?
All MAX20010CATPW/V+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX20010CATPW/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 MAX20010CATPW/V+ part is unused and in its original packaging.
Return procedure for MAX20010CATPW/V+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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