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Analog Devices Inc./Maxim Integrated MAX20010CATPB/V+T
- Part No.:
- MAX20010CATPB/V+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 20-WFQFN Exposed Pad
- Datasheet:
-
MAX20010CATPB/V+T.pdf
- Description:
- IC REG BUCK PROG 6A 20TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,812
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Product details
Overview
MAX20010CATPB/V+T from Analog Devices is a high-efficiency, synchronous 6A step-down DC-DC converter for automotive point-of-load regulation, operating from 3.0V to 5.5V input and delivering 0.5V–1.5875V output with ±2% accuracy over load, line, and temperature. It integrates low RDS(ON) pMOS (31mΩ typ) and nMOS (18mΩ typ) switches, supports I²C-controlled dynamic voltage scaling, and features 2.2MHz fixed-frequency PWM operation with spread-spectrum modulation.
For engineers reviewing the MAX20010CATPB/V+T datasheet, MAX20010CATPB/V+T pinout, MAX20010CATPB/V+T application, or MAX20010CATPB/V+T equivalent, key selection considerations include AEC-Q100 qualification, differential remote sensing capability, programmable soft-start slew rate (5.5–44 mV/μs), PGOOD timing behavior, and SYNC I/O configurability for system clock synchronization or skip-mode operation.
Technical Context
The MAX20010CATPB/V+T implements current-mode control with integrated peak-current sensing and a 7-bit DAC for precise output voltage setting via I²C. Its internal block includes dual comparators for overcurrent protection (7.76–11.64A threshold), thermal shutdown at 165°C with 15°C hysteresis, and independent UV/OV detection on the PGOOD output with configurable thresholds based on nominal VOUT.
It operates in three modes: forced-PWM (FPWM), skip (pulse-frequency modulation), and spread-spectrum-each selectable via CONFIG register bits. The SYNC pin serves as bidirectional I/O: as input it enables FPWM when driven by external clock (1.8–2.6MHz), and as output it mirrors internal 2.2MHz switching frequency for multi-device synchronization.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 6A continuous - supports high-power SoC core rails without external MOSFETs or heatsinks |
| Input Voltage Range | 3.0V to 5.5V - compatible with automotive 5V supply rails and post-regulation from 12V systems |
| Output Voltage Range | 0.5V–1.5875V - covers modern processor core voltages with 10mV or 12.5mV programmable steps |
| Voltage Accuracy | ±2% over full load/line/temp - ensures stable CPU/GPU rail regulation across vehicle operating conditions |
| Switching Frequency | 2.2MHz (typ), 2.0–2.4MHz range - enables compact all-ceramic filter design and reduces EMI filtering area |
| Thermal Rating | -40°C to +125°C ambient, 150°C junction - meets AEC-Q100 Grade 0 requirements for under-hood applications |
| I²C Interface | Up to 3.4MHz clock, 7-bit slave address with ADDR pin select - enables real-time DVS and telemetry in ADAS/EPS systems |
Pinout & Package
MAX20010CATPB/V+T is housed in a 20-pin TQFN-EP package (4mm × 4mm, 0.5mm pitch) with exposed thermal pad (EP) connected to PGND. The package supports high-power dissipation with θJA = 33°C/W on four-layer board and θJC = 2°C/W to case.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LX (Pins 1–4) | Switch node connection | Drives external inductor; all four pins must be shorted together for low-inductance high-current path |
| PGND (Pins 5–7) | Power ground return | Low-impedance return for high-side/nMOS switch currents; separate from analog ground (GND) |
| SDA / SCL | I²C data/clock interface | Open-drain, 1.3V VIH min; supports up to 3.4MHz operation for fast DVS updates |
| RS+/RS- | Differential remote sense inputs | Compensates for PCB IR drop; enables ±0.5% regulation accuracy at load point |
| PG | Open-drain power-good indicator | Asserts low for 120μs after regulation; requires external pullup for logic-level signaling |
| EN | Active-high enable input | Triggers soft-start on rising edge; minimum 1ms low pulse required for clean soft-shutdown |
| SYNC | Configurable sync I/O | Factory-set as input/output; accepts 1.8–2.6MHz external clock or outputs 2.2MHz internal frequency |
| ADDR | I²C address select | Configures LSB of 7-bit slave address (0x38–0x3F); enables multiple devices on same bus |
| AV / GND / PV | Analog supply / analog ground / power input | AV filtered via RC network; PV decoupled with ≥4.7μF ceramic; GND isolated from PGND for noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 0 qualification | Validated for -40°C to +125°C operation with lifetime reliability testing per automotive standards |
| Integrated pMOS/nMOS power switches | RDS(ON) = 31mΩ / 18mΩ @ 5V - eliminates discrete FETs and gate drivers, reducing BOM count and layout complexity |
| Programmable DVS slew rate | 5.5–44 mV/μs via SLEW register - prevents overshoot during voltage transitions in CPU/GPU DVFS sequences |
| Differential remote sensing | RS+/RS- inputs reject PCB trace resistance error - maintains tight regulation at point-of-load despite >100mΩ interconnect |
| Spread-spectrum modulation | +3% frequency dithering - reduces peak radiated emissions by >10dB at fundamental switching frequency |
| Robust fault protection | Overcurrent (7.76–11.64A), overtemperature (165°C), and UV/OV lockout - prevents damage during load transients or thermal overload |
Applications
| ADAS Camera Power Supply | Automotive Infotainment SoC Core Rail |
|---|---|
Use Scenario: Powers 12MP image sensor and ISP in forward-facing ADAS camera module requiring low-noise, fast transient response. IC Role / Device Role / Timing Role: Primary 6A buck regulator with differential remote sensing and 2.2MHz switching to minimize EMI coupling into analog video paths. Use Value: ±2% output accuracy and <10µs load-transient recovery ensure stable sensor biasing and prevent image artifacts during scene changes. | Use Scenario: Supplies core voltage to quad-core ARM Cortex-A76 SoC in head-unit infotainment system with dynamic frequency scaling. IC Role / Device Role / Timing Role: I²C-programmable buck converter enabling real-time DVS via VID register writes synchronized to CPU workload changes. Use Value: Programmable 5.5–44 mV/μs slew rate prevents overshoot during 0.6V ↔ 1.2V transitions, eliminating need for external voltage supervisors. |
| Electric Power Steering (EPS) MCU Rail | Automotive Gateway Microcontroller Supply |
Use Scenario: Delivers clean 1.1V core power to safety-critical EPS MCU operating in high-vibration, high-temperature engine bay. IC Role / Device Role / Timing Role: AEC-Q100 qualified 6A buck with PGOOD monitoring and thermal shutdown for ASIL-B functional safety compliance. Use Value: 165°C thermal shutdown with 15°C hysteresis ensures fail-safe shutdown before silicon degradation, supporting ISO 26262 requirements. | Use Scenario: Provides 3.3V auxiliary rail to automotive gateway microcontroller managing CAN FD, Ethernet, and LIN communication stacks. IC Role / Device Role / Timing Role: Synchronized buck converter using SYNC output to align switching edges across multiple rails and reduce beat-frequency EMI. Use Value: 2.2MHz fixed-frequency operation and SYNC I/O allow deterministic EMI profile across multi-rail power architecture. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 6A automotive buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62933RGER | 3.0–5.5V input, 0.4–1.6V output, 6A, 2.2MHz, but lacks differential remote sensing and AEC-Q100 Grade 0 rating | Targeted at industrial/commercial rather than automotive under-hood use; no PGOOD timeout specification | Select if AEC-Q100 Grade 0 is not required and remote sensing is unnecessary for the target PCB stack-up |
| MPQ4433AGL-AEC1-Z | 3.0–36V input, 0.8–6.0V output, 6A, 2.2MHz, AEC-Q100 Grade 1 (–40°C to +125°C), but no I²C interface or spread-spectrum | Designed for wide-input automotive front-end regulation; lacks dynamic voltage scaling and EMI reduction features | Select for high-input applications (e.g., 12V/24V battery-fed rails) where I²C control and spectral shaping are secondary |
Compared with TPS62933RGER and MPQ4433AGL-AEC1-Z, the MAX20010CATPB/V+T uniquely combines AEC-Q100 Grade 0 qualification, differential remote sensing, I²C-based DVS, and spread-spectrum EMI reduction - making it optimal for safety-critical, noise-sensitive, and dynamically scaled automotive SoC rails.
Availability
MAX20010CATPB/V+T is available at Aetrix Electronics and suitable for automotive ADAS camera modules, infotainment SoC core supplies, and electric power steering MCU rails requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for MAX20010CATPB/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 MAX20010C/D/E product line delivers highly integrated, AEC-Q100-qualified power-management ICs specifically engineered for demanding automotive point-of-load applications including ADAS, infotainment, and chassis control systems.
FAQ
What is the factory-preset output voltage for MAX20010CATPB/V+T?
The MAX20010CATPB/V+T does not have a fixed factory-preset output voltage; instead, it supports I²C-programmable output from 0.5V to 1.27V in 10mV steps or 0.625V to 1.5875V in 12.5mV steps. The specific default VOUT is determined by the VID register value loaded at power-on, which may be set via OTP or external controller initialization. MAX20010CATPB/V+T requires I²C configuration to establish its operating voltage.
Does MAX20010CATPB/V+T support synchronization with external clock sources?
Yes, MAX20010CATPB/V+T supports external clock synchronization via the SYNC pin when configured as an input. It accepts frequencies between 1.8MHz and 2.6MHz, enabling deterministic phase alignment across multiple power rails. When configured as an output, MAX20010CATPB/V+T drives SYNC at its internal 2.2MHz switching frequency for master-slave timing coordination in multi-converter systems.
How does the PGOOD (PG) output behave during startup and fault conditions for MAX20010CATPB/V+T?
The PGOOD output of MAX20010CATPB/V+T remains low for a fixed 120μs timeout after VOUT enters regulation, then asserts high. During undervoltage (UV) or overvoltage (OV) events, PG deasserts immediately. If thermal shutdown occurs, PG deasserts and remains low until reset. MAX20010CATPB/V+T requires an external pullup resistor on PG to generate a valid logic-high signal.
What protection features are integrated into MAX20010CATPB/V+T?
MAX20010CATPB/V+T integrates overcurrent protection (7.76–11.64A threshold), overtemperature shutdown (165°C with 15°C hysteresis), input UVLO (2.85V rising), and output UV/OV detection for PGOOD. It also includes soft-start and soft-shutdown ramp control, and current-limit fault recovery with automatic restart. These protections are fully autonomous and require no external components to function.
Can MAX20010CATPB/V+T operate with only ceramic output capacitors?
Yes, MAX20010CATPB/V+T is designed for all-ceramic capacitor operation due to its 2.2MHz fixed-frequency PWM mode and current-mode control architecture. The high switching frequency allows use of small-case X7R/X5R ceramics (e.g., 22μF × 0603) without requiring bulk electrolytic or tantalum capacitors, reducing solution size and improving reliability in automotive environments.
MAX20010CATPB/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:
- 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)
MAX20010CATPB/V+T FAQ
1.How can I place an order for MAX20010CATPB/V+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX20010CATPB/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 MAX20010CATPB/V+T reliable?
The price and inventory of MAX20010CATPB/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 MAX20010CATPB/V+T is usually 5 days.
3.What payment methods are accepted for MAX20010CATPB/V+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX20010CATPB/V+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX20010CATPB/V+T?
MAX20010CATPB/V+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX20010CATPB/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 MAX20010CATPB/V+T?
For technical support, including MAX20010CATPB/V+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX20010CATPB/V+T requirements.
6.How does Aetrix verify that MAX20010CATPB/V+T is sourced from the original manufacturer or authorized distributors?
All MAX20010CATPB/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 MAX20010CATPB/V+T meets industry standards.
7.What is the process for return or replacement of MAX20010CATPB/V+T?
All MAX20010CATPB/V+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX20010CATPB/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 MAX20010CATPB/V+T part is unused and in its original packaging.
Return procedure for MAX20010CATPB/V+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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