概览
优势和特点
- 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
产品详情
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
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推荐新设计使用
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