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ISL91128BIINZ-TR5654 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC REG BCK BST PROG 2.4A 20WLCSP. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for ISL91128BIINZ-TR5654
- Description：IC REG BCK BST PROG 2.4A 20WLCSP
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Function：Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck-Boost
- Output Type：Programmable
- Number of Outputs：1
- Voltage - Input (Min)：1.8V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.9V
- Voltage - Output (Max)：5V
- Current - Output：2.4A
- Frequency - Switching：2.5MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：20-UFBGA, WLCSP
- Supplier Device Package：20-WLCSP (2.15x1.74)
- Grade：-
- Qualification：-
Voltage Regulators - DC DC Switching Regulators datasheet and documents for ISL91128BIINZ-TR5654
Voltage Regulators - DC DC Switching Regulators Overview
The ISL91128BIINZ-TR5654 is a high-current buck-boost switching regulator developed by Renesas Electronics Corporation. It utilizes a three-level buck topology to achieve high efficiency and significantly reduce inductance requirements. The device supports a wide input voltage range of 7V to 40V and operates with a fixed switching frequency of 2.5MHz. It features synchronous rectification for improved performance. The component is housed in a 20-UFBGA, WLCSP package and is rated for an operating temperature range of -40°C to 85°C.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Utilizes a three-level buck topology to enhance efficiency and minimize inductor size
- Supports a wide input voltage range from 7V to 40V
- Incorporates synchronous rectification for optimized power conversion
Voltage Regulators - DC DC Switching Regulators Applications
- Systems utilizing new battery chemistries
- High-current DC/DC conversion applications
- Battery-powered devices requiring efficient step-up/step-down regulation
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the specific suffix TR5654 against official Renesas documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with the 20-UFBGA WLCSP footprint during PCB layout. Confirm that the 7V-40V input range aligns with the target system's power supply architecture before finalizing procurement.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when designing systems that require high current handling with reduced passive component size. The three-level topology is advantageous for applications prioritizing efficiency and compactness. Ensure the design accommodates the 2.5MHz switching frequency and the specified thermal operating range of -40°C to 85°C.
Voltage Regulators - DC DC Switching Regulators Part Context
This part belongs to the ISL91128 series of switching regulators. It is designed for modern power management needs, specifically addressing the challenges of new battery technologies. The integration of synchronous rectification and advanced topology distinguishes it from standard buck-boost converters, offering a solution for space-constrained, high-efficiency designs.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
Consult official Renesas EOL notices or PCN documents for confirmed substitute part numbers. Do not assume functional equivalence with other ISL91xx series parts without verifying pinout, electrical parameters, and package dimensions against the datasheet.
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