MAX20040DATPA/VY+ Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
The Analog Devices MAX20040DATPA/VY+ is an automotive-grade buck-boost converter operating from 2 V to 36 V input, delivering up to 1.2 A output current at 2.2 MHz switching frequency with an integrated H-bridge architecture. It supports both PWM and PFM control modes for high efficiency across load ranges. Housed in a 20-pin 4x4 mm LFCSP package, it is designed for 12 V automotive and industrial power rails.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- MAX20040DATPA/VY+ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.2200(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MAX20040DATPA/VY+?
- Wide 2 V to 36 V input range with integrated H-bridge enables true buck-boost conversion for automotive battery systems
- 2.2 MHz switching frequency minimizes external component size and reduces EMI interference in noise-sensitive designs
- Dual output current capability of 0.6 A and 1.2 A with PWM and PFM control for optimized light-load efficiency
What is MAX20040DATPA/VY+ used for?
The MAX20040DATPA/VY+ is designed for automotive ECU power supplies, ADAS sensor rails, and 12 V to 5 V regulated outputs in vehicles where the input voltage varies widely from cold-crank (down to 2 V) to load-dump (up to 36 V) conditions. Its high switching frequency of 2.2 MHz reduces the size of inductors and capacitors, making it suitable for compact automotive PCBs. It also serves industrial applications requiring reliable buck-boost regulation from unregulated 4.5 V to 36 V sources.
What are the specifications of MAX20040DATPA/VY+?
| Manufacturer Package Code | 20-LFCSP_SS-4X4X0.75 |
| Date Of Intro | 2019-06-19 |
| YTEOL | 9 |
| Additional Feature | PFM CONTROL TECHNIQUE ALSO AVAILABLE |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 36V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 14V |
| JESD-30 Code | S-XQCC-N20 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 1.2A |
| Output Voltage-Max | 12V |
| Output Voltage-Min | 4V |
| Output Voltage-Nom | 5V |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC20,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Screening Level | AEC-Q100 |
| Surface Mount | YES |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 2350kHz |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the MAX20040DATPA/VY+ datasheet?
MAX20040DATPA/VY+ Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for MAX20040DATPA/VY+?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the MAX20040DATPA/VY+ support for automotive battery applications?
The MAX20040DATPA/VY+ supports an input voltage range from 2 V to 36 V, making it compatible with automotive battery systems including cold-crank conditions (below 4 V) and load-dump transients up to 36 V. This wide range is essential for 12 V automotive ECU power rails where supply voltage fluctuates significantly during engine start and stop cycles.
How does the MAX20040DATPA/VY+'s 2.2 MHz switching frequency affect passive component selection?
Operating at 2.2 MHz allows designers to use smaller inductors and capacitors compared to converters running at 400 kHz or 1 MHz. For example, a 2.2 MHz design may use a 2.2 µH inductor instead of a 10 µH part, reducing board area by up to 60%. This is particularly valuable in space-constrained automotive and industrial PCB layouts where every square millimeter matters.
When should a designer choose the MAX20040DATPA/VY+ over a standard buck or boost converter?
A buck-boost converter like the MAX20040DATPA/VY+ is required when the input voltage can be above, below, or equal to the desired output voltage, such as in automotive 12 V systems that must deliver a regulated 5 V or 3.3 V output across a 2 V to 36 V input range. Standard buck converters cannot regulate below the input, and boost converters fail when input exceeds the output, so the H-bridge architecture of this IC covers all operating conditions.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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