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Product Detailed Parameters
- Description：IC AMP CLASS
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Bulk
- Output Type：-
- Function：-
- Output Configuration：-
- Topology：-
- Number of Outputs：-
- Output Phases：-
- Voltage - Supply (Vcc/Vdd)：-
- Frequency - Switching：-
- Duty Cycle (Max)：-
- Synchronous Rectifier：-
- Clock Sync：-
- Serial Interfaces：-
- Control Features：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The ZL8101ALAFTKR5475 is a digital PWM controller from the Digital-DC series, manufactured by Renesas Electronics Corporation. It functions as a synchronous buck DC/DC switching controller with one output stage and positive output configuration. The device operates within a supply voltage range of 4.5V to 14V and supports a switching frequency between 200kHz and 1.4MHz. It utilizes I2C, PMBus, and SMBus serial interfaces for communication and control. The component is housed in a 32-QFN (5x5) package with a bare pad and is rated for an operating temperature range of -40°C to 85°C.
Feature Summary
- Integrates adaptive performance optimization algorithms to improve power conversion efficiency across the entire load range.
- Supports current sharing capabilities allowing multiple devices to be connected in parallel for high current demands.
- Features auto compensation designed to work with ZL1505 MOSFET driver ICs, ISL6611 Phase Doubler ICs, or DrMOS type devices.
Applications
- Servers and Storage Equipment
- Telecom and Datacom Equipment
- Power Supplies for Memory, DSP, ASIC, and FPGA
Procurement Notes
Verify the specific suffix 'KR5475' against official Renesas documentation to confirm tape-and-reel packaging specifications and any unique handling requirements. Confirm RoHS3 compliance status and check for End-of-Life notices, as the base ZL8101 family has received product change notifications regarding discontinuation. Ensure compatibility with host controllers using standard PMBus protocols.
Selection Notes
Select this component when designing flexible DC power blocks requiring digital control via PMBus or SMBus. It is suitable for single-phase supplies starting at 4.5V input or multi-phase designs up to 12V input. Consider its compatibility with external drivers like the ZL1505 or phase doublers if discrete MOSFET solutions are preferred over integrated DrMOS devices.
Part Context
This part belongs to the Zilker Labs Digital-DC technology family, which blends power conversion performance with management features. The ZL8101 series eliminates the need for complicated power supply managers by integrating mixed-signal power conversion and thermal management functions into a single package, configurable via pin-straps or serial interfaces.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. The base model ZL8101ALAF is listed as discontinued; consult manufacturer resources for potential obsolescence management strategies.
