MAX20049
RECOMMENDED FOR NEW DESIGNSFlexible, Compact Quad Power Supply with 2.2MHz, 1A Buck Converters and Dual LDOs for Automotive Camera Modules
Industry's Smallest PMIC for ADAS Applications
- Part Models
- 38
- 1ku List Price
- Starting From $2.57
Overview
- Small Solution Size
- 16-Pin Side-Wettable (3mm x 3mm) TQFN with an Exposed Pad
- Low On-Time Architecture Eliminates the Need for Cascading Bucks
- Wide 3.5V to 17V Input Voltage Range for Power- Over-Coax Cables
- Fixed Output-Voltage Options
- EMI Solutions
- Optional Spread-Spectrum Frequency Modulation
- Pinout Placement Allows for Tight PCB Layout of Switching Nodes
- Self-Protected and Robust
- Overvoltage and Undervoltage Monitoring, Overvoltage Protection, Thermal Shutdown, and Short- Circuit Protection
- 500mV Input Hysteresis Allows for Long, Low-Cost Cables During Slow Starts
- Automotive Ready
- Automotive Temperature Range
- AEC-Q100 Qualified
The MAX20049 is a dual step-down converter IC with two low-dropout regulators (LDOs), providing a single-chip solution for automotive cameras. The two step-down converters are designed for fixed-frequency PWM operation with input voltages from 5V to 17V for MAX20049, 4V to 17V for MAX20049C, and 3.5V to 17V for MAX20049D. The dedicated high-voltage inputs allow for a flexible solution.
The IC provides voltage monitoring on all four output rails. Once an overvoltage or undervoltage is detected, power good gets pulled low. To accommodate long and inexpensive coax cables, the device has a 500mV SUP1 hysteresis. Both bucks offer very low on-time and allow operation from 17V input to 0.9V output. High-frequency operation allows for an all-ceramic capacitor design and small-size external components. The low-resistance on-chip switches ensure high efficiency while minimizing critical inductances.
Output voltages are factory set and cover various sensor imagers needing 3.3V, 3.0V, 2.9V, 2.8V, or 2.7V. The secondary supplies cover the typical 1.8V, 1.2V, 1.1V, and < 1.0V rails for the serializer and memory. The Output-Voltage Selection section covers all the voltage options for flexibility in the camera design.
Protection features include cycle-by-cycle current limit, and thermal shutdown with automatic recovery. The buck converters operate 180° out-of-phase from each other to minimize input current ripple.
Design Solution: Make Your ADAS High-Resolution Remote Camera Design Smaller and Flexible ›
Drive Higher Performance for Your Tiny Vehicle Camera Modules
Applications
- Camera Module — Surround, Rear, Front
- Point of Load
Documentation
Data Sheet 1
Design Note 1
Technical Articles 1
Video 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX20049ATEA/VY+ | LFCSP | ||
| MAX20049ATEA/VY+T | LFCSP | ||
| MAX20049ATEB/VY+ | LFCSP | ||
| MAX20049ATEB/VY+T | LFCSP | ||
| MAX20049ATED/VY+ | LFCSP | ||
| MAX20049ATED/VY+T | LFCSP | ||
| MAX20049ATEE/VY+ | LFCSP | ||
| MAX20049ATEE/VY+T | LFCSP | ||
| MAX20049ATEF/VY+ | LFCSP | ||
| MAX20049ATEF/VY+T | LFCSP | ||
| MAX20049ATEG/VY+ | LFCSP | ||
| MAX20049ATEG/VY+T | LFCSP | ||
| MAX20049ATEH/VY+ | LFCSP | ||
| MAX20049ATEH/VY+T | LFCSP | ||
| MAX20049ATEK/VY+ | LFCSP | ||
| MAX20049ATEK/VY+T | LFCSP | ||
| MAX20049CATEA/VY+ | LFCSP | ||
| MAX20049CATEA/VY+T | LFCSP | ||
| MAX20049DATEA/VY+ | LFCSP | ||
| MAX20049DATEA/VY+T | LFCSP | ||
| MAX20049DATEB/VY+ | LFCSP | ||
| MAX20049DATEB/VY+T | LFCSP | ||
| MAX20049DATEE/VY+ | LFCSP | ||
| MAX20049DATEE/VY+T | LFCSP | ||
| MAX20049DATEF/VY+ | LFCSP | ||
| MAX20049DATEF/VY+T | LFCSP | ||
| MAX20049DATEG/VY+ | LFCSP | ||
| MAX20049DATEG/VY+T | LFCSP | ||
| MAX20049DATEJ/VY+ | LFCSP | ||
| MAX20049DATEJ/VY+T | LFCSP | ||
| MAX20049DATEK/VY+ | LFCSP | ||
| MAX20049DATEK/VY+T | LFCSP | ||
| MAX20049DATEL/VY+ | LFCSP | ||
| MAX20049DATEL/VY+T | LFCSP | ||
| MAX20049DATEN/VY+ | LFCSP | ||
| MAX20049DATEN/VY+T | LFCSP | ||
| MAX20049DATER/VY+ | LFCSP | ||
| MAX20049DATER/VY+T | LFCSP |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
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Apr 27, 2024 - 2400 ASSEMBLY |
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| MAX20049ATEA/VY+ | PRODUCTION | |
| MAX20049ATEA/VY+T | PRODUCTION | |
| MAX20049ATEB/VY+ | PRODUCTION | |
| MAX20049ATEB/VY+T | PRODUCTION | |
| MAX20049ATED/VY+ | PRODUCTION | |
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| MAX20049ATEE/VY+ | PRODUCTION | |
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| MAX20049CATEA/VY+ | PRODUCTION | |
| MAX20049CATEA/VY+T | PRODUCTION | |
| MAX20049DATEA/VY+ | PRODUCTION | |
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Feb 7, 2023 - 2246 WAFER FAB |
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| MAX20049ATEA/VY+ | PRODUCTION | |
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| MAX20049CATEA/VY+ | PRODUCTION | |
| MAX20049CATEA/VY+T | PRODUCTION | |
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| MAX20049DATEB/VY+ | PRODUCTION | |
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| MAX20049DATEK/VY+ | PRODUCTION | |
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| MAX20049DATEL/VY+ | PRODUCTION | |
| MAX20049DATEL/VY+T | PRODUCTION | |
| MAX20049DATEN/VY+ | PRODUCTION | |
| MAX20049DATEN/VY+T | PRODUCTION | |
| MAX20049DATER/VY+ | PRODUCTION | |
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Oct 30, 2020 - 2096 DESIGN |
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| MAX20049ATEA/VY+ | PRODUCTION | |
| MAX20049ATEA/VY+T | PRODUCTION | |
| MAX20049ATEB/VY+ | PRODUCTION | |
| MAX20049ATEB/VY+T | PRODUCTION | |
| MAX20049ATED/VY+ | PRODUCTION | |
| MAX20049ATED/VY+T | PRODUCTION | |
| MAX20049ATEE/VY+T | PRODUCTION | |
| MAX20049ATEF/VY+ | PRODUCTION | |
| MAX20049ATEH/VY+ | PRODUCTION | |
| MAX20049ATEH/VY+T | PRODUCTION | |
| MAX20049CATEA/VY+ | PRODUCTION | |
| MAX20049CATEA/VY+T | PRODUCTION | |
| MAX20049DATEA/VY+ | PRODUCTION | |
| MAX20049DATEB/VY+T | PRODUCTION | |
| MAX20049DATEE/VY+T | PRODUCTION | |
| MAX20049DATEF/VY+ | PRODUCTION | |
| MAX20049DATEJ/VY+ | PRODUCTION | |
| MAX20049DATEJ/VY+T | PRODUCTION | |
| MAX20049DATEL/VY+ | PRODUCTION | |
| MAX20049DATEL/VY+T | PRODUCTION | |
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Mar 12, 2025 - 2246A WAFER FAB |
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| MAX20049CATEA/VY+ | PRODUCTION | |
| MAX20049CATEA/VY+T | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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Request a Driver/SoftwareHardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Switching Regulators & Controllers 3 | ||
| MAX20019 | PRODUCTION | 3.2MHz, 500mA Dual Step-Down Converters for Automotive Cameras |
| MAX20020 | PRODUCTION | 3.2MHz, 500mA Dual Step-Down Converters for Automotive Cameras |
| MAX16922 | PRODUCTION | 2.2MHz, Dual, Step-Down DC-DC Converters, Dual LDOs, and Active-Low RESET |
Tools & Simulations
ADI Power Studio™ Designer
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