MAX16926
Automotive 4-Output Display Power Solution with Watchdog
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Industry's First Automotive PMIC for Automotive Display Applications
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Features
- High Integration
- Complete Display Power Solution from Automotive Battery
- One High-Voltage 2.1A Buck Converter (3.3V)
- One High-Voltage 100mA Low-IQ Linear Regulator (3.3V)
- One Low-Voltage 1.6A Buck Converter (1.1V)
- One 175mA Low-Voltage Linear Regulator (1.8V)
- Power-Good Outputs
- Integrated Watchdog Timer
- Robust and Low EMI
- Programmable Switching Frequency
- internal Spread Spectrum Oscillator>
- Slew-Rate Controlled Switching
- Thermal Shutdown Protection
- Compact TQFN20 4mm x 4mm Package
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The MAX16926 is a 4-channel power-management IC designed to accommodate the main rails used in modern automotive TFT displays. The MAX16926 and the MAX20069 TFT power supply and LED backlight driver combine to provide a two-chip solution to automotive display power supply requirements.
The MAX16926 integrates a high-voltage buck converter that transforms battery voltages into a 3.3V intermediate rail. In addition, a high-voltage, always-on, low-quiescent-current linear regulator supplies power at 3.3V.
The low-voltage section consists of a fully-integrated DC/DC converter and an LDO running off the intermediate rail. The low-voltage DC/DC converter provides 1.1V, while the LDO produces 1.8V. In addition, an integrated watchdog timer guards against runaway code.
A single START control pin initiates the start-up sequence, thereby simplifying device control. The MAX16926's external pMOSFET control block allows battery voltage to be switched to a downstream device, such as a backlight boost converter.
The MAX16926 is available in a TQFN package and operates in the -40°C to 105°C temperature range.
Applications
- Infotainment Displays
- Central Information Displays
- Instrument Clusters
Ask a Question
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Search
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Support
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Visit the ADI Support Page
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MAX16926
Documentation
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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 |
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| MAX16926GTP/V+ |
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| MAX16926GTP/V+T |
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| MAX16926GTPB/V+ |
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| MAX16926GTPB/V+T |
Thin Quad Flatpack, No Leads
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| MAX16926GTPE/V+ |
Thin Quad Flatpack, No Leads
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| MAX16926GTPE/V+T |
Thin Quad Flatpack, No Leads
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| MAX16926GTPI/V+ |
Thin Quad Flatpack, No Leads
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| MAX16926GTPI/V+T |
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- MAX16926GTP/V+
- Pin/Package Drawing
-
Thin Quad Flatpack, No Leads
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX16926GTP/V+T
- Pin/Package Drawing
-
Thin Quad Flatpack, No Leads
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX16926GTPB/V+
- Pin/Package Drawing
-
Thin Quad Flatpack, No Leads
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX16926GTPB/V+T
- Pin/Package Drawing
-
Thin Quad Flatpack, No Leads
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX16926GTPE/V+
- Pin/Package Drawing
-
Thin Quad Flatpack, No Leads
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX16926GTPE/V+T
- Pin/Package Drawing
-
Thin Quad Flatpack, No Leads
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX16926GTPI/V+
- Pin/Package Drawing
-
Thin Quad Flatpack, No Leads
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- MAX16926GTPI/V+T
- Pin/Package Drawing
-
Thin Quad Flatpack, No Leads
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
Software & Part Ecosystem
Evaluation Kits 1
MAX16923EVKIT
Evaluation Kit for the MAX16923/MAX16926
Features and Benefits
- 4.5V to 36V Wide Input Voltage Range (40V Load-Dump Tolerant)
- One High-Voltage 2.1A Buck Converter (5V or 3.3V)
- One High-Voltage 100mA Low-IQ Linear Regulator (3.3V)
- One Low-Voltage 1.6A Buck Converter (3.3V, 1.8V, 1.2V, or 1.1V)
- One Low-Voltage 180mA Linear Regulator (3.3V, 1.8V, 1.5V or 1.1V)
- Power-Good Outputs
- Integrated Watchdog Timer
- Programmable Switching Frequency (400kHz, 440kHz, 2MHz, 2.2MHz)
- Spread Spectrum
- Proven PCB Layout
- Automotive CISPR25 CLASS5 compliant
- Fully Assembled and Tested
Product Detail
The MAX16923 evaluation kit (EV kit) is a fully assembled and tested surface-mount PCB used to evaluate the MAX16923 automotive 4-output display-power solution. The MAX16923 is a 4-channel power-management IC designed to accommodate the main rails used in modern automotive TFT displays. The MAX16923 integrates a high-voltage buck converter that transforms battery voltages into a 5V or 3.3V intermediate rail. In addition, a high-voltage, always-on, low-quiescent-current linear regulator supplies power at 3.3V. The low-voltage section consists of a fully-integrated DC/DC converter and an LDO running off the intermediate rail. A single START control pin initiates the start-up sequence, thereby simplifying device control. The MAX16923’s external PMOSFET control block allows battery voltage to be switched to a downstream device, such as a backlight boost converter. The MAX16923 also embeds a watchdog timer and selectable switching frequencies with spread spectrum.
Applications
- Central Information Displays
- Infotainment Displays
- Instrument Clusters
Resources
