MAX20856
MAX20856
RECOMMENDED FOR NEW DESIGNS5x6 Smart Power-Stage IC with Integrated Current and Temperature Sensors
- Part Models
- 4
- 1ku List Price
- Starting From $10.81
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Overview
- Space-Optimized Solution
- Monolithic, Smart Power Stage
- Phase-Current Steering for Thermal Balance
- Small Footprint: 30mm2
- 96.1% Peak Efficiency
- 8-phase, 400kHz, 12V VIN, 1.8V VOUT
- 300kHz to 1.3MHz Switching Frequency
- Telemetry and Fault Reporting through Controller IC PMBus
- Accurate Temperature Monitoring and Reporting
- Accurate Per-Phase Current Reporting
- Fault_ID Indicates Type of Fault
- Advanced Self-Protection Features*
- Supply and Boost UVLO Protection
- Input Supply OVLO Protection
- Boost Refresh
- VX Short and Overtemperature Shutdown
- VX Open and Short Detection at Power-Up
- Fast Overcurrent Protection
- Inductor Saturation Protection
- Open/Short Pin Detection During Startup
- *Protection features vary with different part variants
The MAX20856 is a feature-rich smart power-stage IC designed to work with Analog Devices’ controllers to implement a high-density multiphase voltage regulator. Multiple smart power-stage ICs plus a controller provide a compact synchronous buck converter that includes accurate individual phase current and temperature reporting through PMBus™. This smart power-stage device includes fault-protection circuits for overtemperature, VX short, I/O open/short, supply undervoltage lockout (UVLO), and main power-supply overvoltage lockout (OVLO). The MAX20856 immediately shuts down on fault detection, communicating the Fault_ID to the controller.
Monolithic integration and advanced packaging technology allow high-switching frequencies with significantly lower losses than conventional implementations. Phase-shedding and discontinuous conduction modes (DCM) optimize efficiency over a wide range of load currents. The MAX20856 integrates an internal LDO, simplifying bias generation for applications that do not have 1.8V available.
The MAX20856 is available in a 41-pin FC2QFN package.
APPLICATIONS
- High-Current Multiphase-Voltage Regulators
- VR13, VR13.HC, and VR14 CPU
- Networking ASICs
- AI, Machine Learning Cores, and GPUs
- Servers, Workstations, and Enterprise Storage
- Communications and Networking Equipment
Documentation
Request an NDA
Complete documentation is available upon completion of a Non-Disclosure Agreement (NDA).
Request an NDAADI 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 |
|---|---|---|---|
| MAX20856AAFK+ | LFCSP | ||
| MAX20856AAFK+T | LFCSP | ||
| MAX20856BAFK+ | LFCSP | ||
| MAX20856BAFK+T | LFCSP |
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