ISL78100ARZ-T7A

Description：IC LED DRIVER RGLTR PWM 1A 20QFN
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:ffd5d33ff9da Category: LED Drivers IC Brand: Renesas Electronics Corporation

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Product introduction

Product Detailed Parameters

Description：IC LED DRIVER RGLTR PWM 1A 20QFN
Series：-
Mfr：Renesas Electronics Corporation
Package：Tape & Reel (TR),Cut Tape (CT)
Type：DC DC Regulator
Topology：Step-Down (Buck), Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：2.7V
Voltage - Supply (Max)：16V
Voltage - Output：32V
Current - Output / Channel：1A
Frequency：1MHz
Dimming：Analog, PWM
Applications：Backlight
Operating Temperature：-40°C ~ 105°C (TA)
Mounting Type：Surface Mount
Package / Case：20-VFQFN Exposed Pad
Supplier Device Package：20-QFN (4x4)
Grade：Automotive
Qualification：AEC-Q100

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ISL78100ARZ-T7A

Overview

The ISL78100ARZ-T7A is an automotive-grade high-power LED driver IC manufactured by Renesas Electronics. It integrates a boost and buck converter topology within a single channel, supporting an input voltage range of 2.7 V to 16 V. The device delivers up to 1 A output current with a fixed switching frequency of 1 MHz. Designed for robust operation in harsh environments, it functions reliably between -40°C and +105°C. The component utilizes a QFN-20 package and includes integrated PWM dimming capabilities alongside short circuit and thermal protection mechanisms.

Feature Summary

Integrates combined boost and buck converter topologies for flexible high-power LED driving
Supports precise digital pulse-width modulation (PWM) dimming control
Includes built-in short circuit and thermal protection for system reliability

Applications

Automotive high-power LED lighting systems
Vehicle exterior illumination modules
Interior ambient lighting circuits

Procurement Notes

Verify the specific suffix T7A indicates tape-and-reel packaging configuration. Confirm RoHS compliance status through official documentation. Check current lifecycle status as the part may be discontinued or subject to last-time buy restrictions. Ensure ESD handling protocols are followed due to moisture sensitivity classification.

Selection Notes

Select this component when designing automotive LED drivers requiring both step-up and step-down voltage conversion capabilities. The 1 MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the 1 A output current meets the specific LED string requirements. Ensure the operating temperature range aligns with the intended vehicle environment.

Part Context

This device belongs to the ISL78100 series of automotive LED drivers. It is part of Renesas' portfolio focused on power management solutions for intelligent transportation systems. The series emphasizes integration and efficiency for modern automotive lighting architectures.