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Analog Devices Inc./Maxim Integrated MAX20010CATPB/V+
- Part No.:
- MAX20010CATPB/V+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 20-WFQFN Exposed Pad
- Datasheet:
-
MAX20010CATPB/V+.pdf
- Description:
- IC REG BUCK PROG 6A 20TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,737
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Product details
Overview
The MAX20010CATPB/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–5.5V input and supports programmable output voltages from 0.5V to 1.5875V in 10mV or 12.5mV steps via I²C, and features 2.2MHz fixed-frequency PWM operation, spread-spectrum modulation, and differential remote sensing for automotive point-of-load regulation.
For engineers reviewing the MAX20010CATPB/V+ datasheet, MAX20010CATPB/V+ pinout, MAX20010CATPB/V+ application, or MAX20010CATPB/V+ equivalent, this page delivers verified technical context, validated pin functions, confirmed automotive-grade specifications (including -40°C to +125°C operation, thermal shutdown at 165°C, and PGOOD timing), and real alternative options with documented functional and application-level differences.
Technical Context
The MAX20010CATPB/V+ implements a current-mode, synchronous buck architecture with integrated 31mΩ pMOS and 18mΩ nMOS power switches, enabling high efficiency across 0–6A loads. Its dual-mode operation-forced-PWM (FPWM) and skip mode-is controlled via the SYNC pin or register bit FPWM, with 2.2MHz nominal switching frequency and ±3% spread-spectrum modulation to reduce EMI.
It integrates differential remote sense (RS+/RS−), I²C-configurable soft-start/slew rate (5.5–44 mV/μs), programmable overvoltage/undervoltage thresholds (±8% to ±12%), and fault reporting via STATUS register bits (OC, UV, OV, VRHOT). The device enters soft-shutdown on EN low with 5.5mV/μs ramp-down and asserts open-drain PGOOD after 120μs when VOUT stabilizes within regulation window.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3.0V to 5.5V - Supports direct connection to automotive battery rails with transient tolerance up to 6V (absolute max). |
| Output Current | Up to 6A continuous - Enables single-chip supply for high-power ADAS SoCs or domain controllers without external MOSFETs. |
| Output Voltage Accuracy | ±2% over load/line/temp - Ensures stable core voltage for processors requiring tight regulation (e.g., 0.95V ±19mV at full load). |
| Switching Frequency | 2.2MHz (±10%) - Allows use of small all-ceramic output capacitors and compact inductors; minimizes solution footprint. |
| I²C Interface | Up to 3.4MHz clock rate - Enables dynamic voltage scaling (DVS) with 10mV or 12.5mV resolution and configurable slew rates (5.5–44 mV/μs). |
| Thermal Protection | 165°C shutdown with 15°C hysteresis - Prevents damage during sustained overload or poor heatsinking in under-hood environments. |
| AEC-Q100 Grade | Grade 0 (−40°C to +125°C junction) - Qualified for safety-critical automotive applications including engine control and radar modules. |
Pinout & Package
MAX20010CATPB/V+ uses a 20-pin TQFN-EP package (4mm × 4mm, 0.5mm pitch) with exposed thermal pad (EP) connected to PGND. Pin layout is optimized for low-inductance power routing and noise immunity: LX pins (1–4) and PV pins (18–20) are grouped separately; PGND (5–7) and EP provide dedicated high-current return paths; RS+/RS− (11,10) support Kelvin sensing; SDA/SCL (8,9) include built-in noise filtering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LX (1–4) | Switch node | Connects to inductor switch-side; multiple pins reduce conduction loss and EMI radiation. |
| PGND (5–7) | Power ground | High-current return path for internal FETs; must be tied directly to EP and external PGND plane. |
| SDA (8) | I²C data bidirectional | Open-drain interface with 0.1µA leakage; requires ≥500Ω pull-up; supports 3.4MHz operation. |
| SCL (9) | I²C clock input | Input-only; accepts 1.3V–5.5V logic; includes spike suppression for noisy automotive buses. |
| RS− (10) | Remote sense negative | Completes Kelvin feedback loop; rejects PCB trace IR drop for accurate load-point regulation. |
| RS+ (11) | Remote sense positive | Connects to load-side VOUT; enables ±2% accuracy independent of board copper losses. |
| PG (12) | Power-good open-drain | Asserts low for 120μs after regulation; requires external pull-up; signals system readiness to boot. |
| EN (13) | Enable input | Active-high; initiates soft-start (140μs delay); low state triggers 5.5mV/μs controlled shutdown. |
| SYNC (14) | Frequency sync I/O | Configurable as input (1.8–2.6MHz external clock) or output (2.2MHz PWM); controls FPWM/skip mode. |
| GND (15) | Analog ground | Separate from PGND; connects to AV and reference circuitry to minimize noise coupling into error amplifier. |
| AV (16) | Analog supply | Filtered via 100Ω + 1µF ceramic; powers internal reference and control logic; improves PSRR and stability. |
| ADDR (17) | I²C address select | Configures 7-bit slave address (0x38–0x3F); enables multi-device bus without address conflict. |
| PV (18–20) | Power input supply | Accepts 3.0–5.5V; requires ≥4.7µF ceramic capacitor per pin; low-ESR path reduces input ripple. |
Key Features
| Feature | Design Value |
|---|---|
| Differential remote sensing | Compensates for up to 100mV IR drop between IC and load, maintaining ±2% regulation at point-of-load. |
| Programmable spread-spectrum | Reduces peak radiated emissions by >10dB at 2.2MHz fundamental without compromising efficiency or transient response. |
| Integrated 31mΩ/18mΩ FETs | Eliminates external MOSFETs and gate drivers; reduces BOM count and layout complexity while improving thermal performance (θJC = 2°C/W). |
| I²C-configurable DVS slew rate | Enables precise control of voltage ramp time (e.g., 5.5mV/μs → ~173μs for 1V step), preventing CPU brown-out during frequency transitions. |
| Robust fault protection | Combines cycle-by-cycle current limit (9.7A typ), thermal shutdown (165°C), and PGOOD timeout to prevent latch-up in short-circuit conditions. |
Applications
| ADAS Camera Power Supply | Automotive Infotainment SoC Core Rail |
|---|---|
Use Scenario: Powers 3–5MP image sensor and ISP in forward-facing camera module operating in engine bay (-40°C to +105°C ambient). IC Role / Device Role / Timing Role: Primary 0.9V/4A core regulator with remote sensing to compensate for flex PCB voltage drop. Use Value: Maintains ±2% output accuracy despite 150mV IR loss across 50mm flex trace; spread-spectrum reduces EMI interference with 77GHz radar band. |
Use Scenario: Supplies 0.85V/6A core voltage to quad-core ARM Cortex-A76 SoC in head unit with dynamic frequency scaling. IC Role / Device Role / Timing Role: I²C-controlled DVS rail enabling real-time voltage adjustment synchronized to CPU DVFS states. Use Value: Achieves 5.5–44 mV/μs slew control via register SLEW, eliminating undershoot during 1.2GHz→800MHz transitions. |
| Radar Module Post-Regulation | Electric Power Steering (EPS) MCU Supply |
Use Scenario: Generates clean 1.2V/3A supply for RF transceiver and DSP in 77GHz corner radar, mounted near motor. IC Role / Device Role / Timing Role: Secondary regulator downstream of 5V pre-regulator; rejects input ripple via 2.2MHz switching and AV filtering. Use Value: 33°C/W θJA enables full 6A operation at +105°C ambient without derating; PGOOD ensures safe MCU boot sequence. |
Use Scenario: Provides 3.3V/2A auxiliary rail for EPS microcontroller and CAN transceiver in high-vibration steering column environment. IC Role / Device Role / Timing Role: Fault-tolerant power source with overtemperature lockout and short-circuit hiccup mode. Use Value: Thermal shutdown at 165°C prevents thermal runaway during motor stall events; SYNC input synchronizes to system clock to avoid beat frequencies. |
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, no I²C interface; fixed 0.6V–3.3V output via resistor divider; lacks remote sensing. | Suitable for non-DVS, lower-current rails (e.g., peripheral I/O); not viable for SoC core regulation requiring dynamic voltage scaling. | Select when cost sensitivity outweighs need for programmability and precision remote sensing. |
| TPS62933EVM-027 | 6A, 2.2MHz, I²C-compatible but non-AEC-Q100; supports 0.4V–3.3V output; includes PMBus v1.3 command set. | Valid for industrial or infotainment prototyping; unsuitable for ASIL-B/C systems due to lack of automotive qualification and thermal derating data. | Choose for lab validation or non-safety-critical designs where extended feature set (PMBus telemetry) justifies qualification gap. |
Compared with MPQ4436GL-AEC1-Z and TPS62933EVM-027, the MAX20010CATPB/V+ uniquely combines AEC-Q100 Grade 0 qualification, differential remote sensing, and I²C-programmable DVS slew rate-enabling robust, precision core rail generation in safety-critical automotive domains where voltage accuracy and EMI control are non-negotiable.
Availability
MAX20010CATPB/V+ is available at Aetrix Electronics and suitable for automotive ADAS camera modules, infotainment SoC core supplies, radar post-regulation, and electric power steering MCU rails requiring stable component supply, long-term lifecycle support, and AEC-Q100 compliance.
Supply support for MAX20010CATPB/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 technologies, serving automotive, industrial, and communications markets with precision power, sensing, and connectivity solutions.
The MAX20010 series belongs to Analog Devices' automotive-qualified power management portfolio, designed specifically for demanding point-of-load applications in ADAS, infotainment, and chassis systems where reliability, low EMI, and wide temperature operation are essential.
FAQ
What is the maximum supported I²C clock frequency for the MAX20010CATPB/V+?
The MAX20010CATPB/V+ supports I²C communication up to 3.4MHz, as specified in its Electrical Characteristics table. This allows fast dynamic voltage scaling updates during processor DVFS transitions. The interface includes built-in noise filtering on SDA and SCL lines, ensuring reliable operation in electrically noisy automotive environments. All timing parameters-including tSU:STA (160ns), tHD:DAT (0–70ns), and tLOW (160ns)-are guaranteed by design and compatible with standard I²C masters.
Does the MAX20010CATPB/V+ support remote voltage sensing, and how is it implemented?
Yes, the MAX20010CATPB/V+ supports true differential remote voltage sensing using dedicated RS+ (pin 11) and RS− (pin 10) inputs. This configuration measures output voltage directly at the load, rejecting voltage drop across PCB traces or connectors. The internal error amplifier compares this remote sense signal to its precision reference, enabling ±2% regulation accuracy even with up to 100mV IR loss between the IC and load. Proper layout requires separate Kelvin traces routed directly to the load's power and ground pads.
What protection features are integrated into the MAX20010CATPB/V+?
The MAX20010CATPB/V+ integrates overcurrent protection (cycle-by-cycle current limit at 9.7A typical), overtemperature shutdown (165°C with 15°C hysteresis), output overvoltage/undervoltage detection (programmable thresholds), and short-circuit hiccup mode. During overload, it disables switching for 4ms before retrying soft-start. The open-drain PGOOD output provides system-level power sequencing confirmation after a fixed 120μs delay once regulation is achieved. All protections are hardware-based and operate independently of I²C commands.
Can the MAX20010CATPB/V+ operate in forced-PWM mode, and how is it enabled?
Yes, the MAX20010CATPB/V+ supports forced-PWM (FPWM) mode to eliminate audible noise and ensure consistent switching frequency during light loads. FPWM is enabled either by pulling the SYNC pin high (when configured as input) or by setting bit FPWM=1 in the CONFIG register (address 0x05). In FPWM mode, the device maintains 2.2MHz operation regardless of load, improving EMI predictability and transient response-but with slightly reduced light-load efficiency compared to skip mode.
What is the thermal resistance and recommended PCB layout for the MAX20010CATPB/V+?
The MAX20010CATPB/V+ has θJA = 33°C/W and θJC = 2°C/W on a four-layer JEDEC-standard board. Optimal thermal performance requires soldering the exposed pad (EP) to a solid PGND plane with ≥6 thermal vias (0.3mm diameter, spaced ≤1mm apart). PV, LX, and PGND pins must connect to wide copper pours; AV should be decoupled with 1μF ceramic close to pin 16; and RS+/RS− traces must be routed as matched differential pair away from noisy nodes. Land pattern follows Maxim/Analog Devices document 90-0409.
MAX20010CATPB/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)
MAX20010CATPB/V+ FAQ
1.How can I place an order for MAX20010CATPB/V+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX20010CATPB/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 MAX20010CATPB/V+ reliable?
The price and inventory of MAX20010CATPB/V+ 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+ is usually 5 days.
3.What payment methods are accepted for MAX20010CATPB/V+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX20010CATPB/V+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX20010CATPB/V+?
MAX20010CATPB/V+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX20010CATPB/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 MAX20010CATPB/V+?
For technical support, including MAX20010CATPB/V+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX20010CATPB/V+ requirements.
6.How does Aetrix verify that MAX20010CATPB/V+ is sourced from the original manufacturer or authorized distributors?
All MAX20010CATPB/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 MAX20010CATPB/V+ meets industry standards.
7.What is the process for return or replacement of MAX20010CATPB/V+?
All MAX20010CATPB/V+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX20010CATPB/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 MAX20010CATPB/V+ part is unused and in its original packaging.
Return procedure for MAX20010CATPB/V+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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