ISL78171ARZ-T7A The Renesas ISL78171ARZ-T7A is a DC DC regulator designed for LED driving applications. It offers a 50mA output current and operates at 4.5V.
Mfr Part #:

ISL78171ARZ-T7A

Available from 1 distributors
Mfr Name: Renesas
Renesas
The Renesas ISL78171ARZ-T7A is a DC DC regulator designed for LED driving applications. It offers a 50mA output current and operates at 4.5V.
Total Stock: 11,518 pcs
$ Price Range: $0.17

ISL78171ARZ-T7A Available from 1 distributor

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ISL78171ARZ-T7A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Dimming
Frequency
Internal Switch(s)
Mounting Type
Number of Outputs
Operating Temperature
SVHC Present
Supplier Device Package
Supplier Package
Topology
Type
Voltage

ISL78171ARZ-T7A Description

Short technical summary and product information.

The Renesas ISL78171ARZ-T7A is an integrated circuit designed as a LED driver. This DC DC regulator operates with a 4.5V input voltage and provides a 50mA output current. It features a step-up (boost) topology and supports multiple dimming methods including Analog, I²C, and PWM.

 

With six outputs, the ISL78171ARZ-T7A is suitable for applications requiring multiple LED channels. It operates within a temperature range of -40°C to 105°C (TA), making it robust for various environments. The device includes internal switches and operates at switching frequencies of 600kHz and 1.2MHz.

 

This LED driver is packaged in a 20-QFN (3x4) format with an exposed pad, and it is designed for surface mount installation. Its applications include automotive systems and backlighting solutions. The component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

ISL78171ARZ-T7A Quick Information

Product Type: LED Driver
Canonical Name: ISL78171ARZ-T7A LED Driver
Subcategory: Power Management

ISL78171ARZ-T7A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ISL78171ARZ-T7A Estimated Pricing

Qty Low High
1+ $0.17 $0.17

Estimated market price range - modelled values for guidance only, not live distributor offers.

ISL78171ARZ-T7A Features

  • DC DC regulator for LED driving.
  • 50mA output current capability.
  • Supports Analog, I²C, and PWM dimming.
  • Operates from -40°C to 105°C.
  • 20-QFN package for surface mounting.

ISL78171ARZ-T7A Applications

  • Ideal for automotive LED backlighting applications.
  • Suitable for portable device display backlight.
  • Used in multi-string LED lighting systems.
  • Designed for industrial control panel indicators.

ISL78171ARZ-T7A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the ISL78171ARZ-T7A?

The operating voltage is 4.5V.

What is the package type of the ISL78171ARZ-T7A?

It is available in a 20-VFQFN Exposed Pad package (20-QFN 3x4mm).

What is the operating temperature range of the ISL78171ARZ-T7A?

The operating temperature range is -40°C to 105°C.

How many LED outputs does the ISL78171ARZ-T7A drive?

It drives 6 outputs.

What dimming methods does the ISL78171ARZ-T7A support?

It supports analog, I²C, and PWM dimming.

What is the switching topology of the ISL78171ARZ-T7A?

It is a step-up (boost) topology.

What is the output current per channel of the ISL78171ARZ-T7A?

The output current per channel is 50mA.

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