IS31FL3199-QFLS2-TR

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IS31FL3199-QFLS2-TR

IC LED DRVR LIN PWM 40MA 20QFN

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Linear
InternalSwitch(s) Yes
NumberofOutputs 9
Voltage-Supply(Min) 2.7V
Voltage-Supply(Max) 5.5V
Current-Output/Channel 40mA
Dimming PWM
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-WFQFN Exposed Pad

概述

Description

IS31FL3199-QFLS2-TR is a multi-channel constant-current LED driver IC from the IS31FL family. It provides multiple current-sinking outputs to drive LEDs in displays, keyboards, backlights, and signage, controlled over a serial interface (I2C-compatible). Key points:
- Programmable per-channel LED current and global/dimming control (PWM or DC).
- Open/short protection, fault/diagnostic reporting, and protection features for reliability.
- Suitable for dynamic brightness, sequencing, and LED matrix/backlight applications.
- -QFLS2-TR denotes a specific packaging variant (leadless/QFN family) with Tape & Reel packaging for production.
For exact channel count, current ranges, I2C address, timing, and electrical limits, consult the IS31FL3199 datasheet.

Features

IS31FL3199-QFLS2-TR is a multi-channel LED driver. Key features include:
- 16-channel constant-current sink outputs for LED driving
- Programmable current per channel with global dimming
- I2C-compatible serial interface for register access
- PWM/grayscale dimming for per-channel brightness control
- Individual on/off control and blanking capability
- Open/short LED detection with status/fault reporting
- Fault management and optional interrupt signaling
- Wide operating supply range and low quiescent current
- Small package with tape-and-reel option (-TR) for automated assembly
Note: specific electricals (max current per channel, I2C speed, voltage range, etc.) are defined in the datasheet.

Package

Package type: QFN (QFLS2) package, shipped in Tape-and-Reel (TR).

Pinout

Pin count: 28 pins (28‑pin QFN). Function: I2C‑controlled multi‑channel constant‑current LED driver for displays/backlights (drives multiple LEDs with programmable current; suitable for dot/matrix LED applications).

Manufacturer

- Manufacturer: Integrated Silicon Solution, Inc. (ISSI).
- What kind of company: A fabless semiconductor company that designs and markets memory ICs and other analog/mixed-signal ICs.

Application

Application areas:
- Display backlighting (LCD/OLED digits, 7-segment, dot-matrix)
- Keypad/keyboard illumination
- Indicator/status LEDs in consumer electronics
- Signage and small panel lighting
- Wearables and IoT devices
- Automotive interior lighting / instrument-cluster indicators

Equivalent

Direct equivalents aren’t published. The IS31FL3199-QFLS2-TR is a 4-channel I2C LED driver in a QFN16 package from ISSI. For substitutes, use distributor cross-reference tools to find other 4-channel I2C LED drivers with similar current/timing in the same package, typically other ISSI IS31FL family parts. Always verify pinout and specs against the datasheet.

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