TPS65921B1ZBHR

Power Management - Specialized Overview

The TPS65921B1ZBHR is an integrated power management IC (PMIC) designed for handheld and mobile devices, specifically supporting OMAP™ applications. It features three step-down DC/DC converters with up to 1.2 A output current for VDD1, four low-dropout regulators (LDOs), and a USB High-Speed transceiver. The device includes a 32-kHz crystal oscillator and clock slicing capabilities for 26, 19.2, and 38.4 MHz inputs. It is housed in a 120-pin NFBGA package measuring 6x6 mm and operates within a temperature range of -40°C to +85°C.

Power Management - Specialized Feature Summary

• Integrates multiple power conversion stages including three DC/DCs and four LDOs for comprehensive system power needs.
• Includes a dedicated USB High-Speed transceiver for direct connectivity support.
• Features internal clock management with a 32-kHz oscillator and configurable clock slicer.

Power Management - Specialized Applications

• Handheld mobile devices
• OMAP™ based embedded systems

Power Management - Specialized Procurement Notes

Verify the lifecycle status before procurement, as this component may be marked as Not Recommended for New Designs (NRND). Confirm that the 120-pin NFBGA package dimensions align with your PCB footprint requirements. Ensure compatibility with the specific voltage rails and current demands of your target application, particularly the 1.2 A limit on the primary DC/DC converter.

Power Management - Specialized Selection Notes

Select this PMIC when a single-chip solution is required to manage power distribution and USB connectivity for OMAP-based platforms. Consider the thermal performance of the NFBGA package under load. Verify that the integrated regulator configurations meet the specific sequencing and rail requirements of the host processor without needing external discrete components.

Power Management - Specialized Part Context

This part belongs to the Texas Instruments TPS65921 family of specialized PMICs. It is distinct from the TPS6598x series, which focuses on USB Type-C and Power Delivery controllers rather than general-purpose system power management. The TPS65921 is tailored for complex SoC power domains rather than peripheral interface power negotiation.

Power Management - Specialized Replacement Considerations

Check for active alternatives within the TPS65921 family or newer TI PMICs if NRND status restricts future production. No direct public substitute part numbers are confirmed in the provided documentation.