ISL9122AIINZ-T7A

$1.45

Description：IC REG BUCK BST ADJ 500MA 8WLCSP
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR)

SKU:f697483bbd9d Category: Voltage Regulators - DC DC Switching Regulators Brand: Renesas Electronics Corporation

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Product introduction

ISL9122AIINZ-T7A 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 BUCK BST ADJ 500MA 8WLCSP. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for ISL9122AIINZ-T7A

Description：IC REG BUCK BST ADJ 500MA 8WLCSP
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR)
Function：Step-Up/Step-Down
Output Configuration：Positive
Topology：Buck-Boost
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：1.8V
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：1.8V
Voltage - Output (Max)：5.375V
Current - Output：500mA
Frequency - Switching：2.5MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-UFBGA, WLCSP
Supplier Device Package：8-WLCSP (1.8x1)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for ISL9122AIINZ-T7A

ISL9122AIINZ-T7A

Voltage Regulators - DC DC Switching Regulators Overview

The ISL9122AIINZ-T7A is a flexible buck-boost switching regulator IC manufactured by Renesas Electronics Corporation. It features an adjustable output voltage ranging from 1.8V to 5.375V and supports a maximum output current of 500mA. The device operates with an input voltage range of 1.8V to 5.5V and utilizes a synchronous rectifier topology at a fixed switching frequency of 2.5MHz. Packaged in an 8-WLCSP (1.8x1mm) format, it is designed for surface mount installation and functions within a temperature range of -40°C to 85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Ultra-low quiescent current operation to extend battery life in smart IoT devices
Flexible buck-boost topology with bypass mode for high efficiency across load ranges
Dynamic output voltage adjustment capability in small increments

Voltage Regulators - DC DC Switching Regulators Applications

Wireless earbuds and audio peripherals
Fitness bands and smart watches
Portable medical devices
Water and gas meters
Battery-operated smart IoT sensors

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'T7A' against official Renesas documentation to confirm reel quantity and tape specifications, as packaging variations exist within the ISL9122 series. Ensure compatibility with existing BOM requirements regarding the WLCSP footprint and thermal performance. Cross-reference lead times with distributor data due to reported market demand fluctuations affecting delivery schedules for this component family.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing power systems for coin-cell, lithium, or multi-series alkaline batteries requiring extended operational life. The ultra-low IQ makes it suitable for applications where standby power consumption is critical. Consider the 8-WLCSP package size constraints and verify that the 500mA output current meets the peak load requirements of the target MCU or sensor subsystem without exceeding thermal limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9122 series of ultra-low IQ buck-boost regulators. It shares core architectural features with variants like the ISL9122AIRNZ-T7A, differing primarily in package type and suffix designations. The series targets low-power portable electronics, offering a compact solution for managing single-cell battery voltages that fluctuate above and below the required system rail.