SGM3146 8-Channel Charge Pump White LED Driver

Shengbang Microelectronics

Description

SGM3146 8-Channel Charge Pump White LED Driver with Low Dropout Current Source GENERAL .
The SGM3146 is a high performance white LED driver.

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Datasheet Specifications

Part number: SGM3146
Manufacturer: Shengbang Microelectronics
File Size: 281.23 KB
Datasheet: SGM3146-ShengbangMicroelectronics.pdf
Description: 8-Channel Charge Pump White LED Driver

Features

* Input Voltage Range: 2.7V to 5.5V
* Drives up to 8 LEDs at 27mA Each
* One Single Wire Interface
* 16-Step Brightness Control
* High Efficiency by Fractional Conversion with 1× and 1.5× Modes
* Switching Frequency: 0.93MHz
* Regulated Output Current with ±4.8% Matching

Applications

* The SGM3146 supports up to 8 white LEDs and regulates a constant current which the initial value can be set by an internal resistor. The part implements a 4-bit DAC for brightness control. Users can easily configure the LED current from 1.65mA to 27mA by a serial pulse. The dimming of white LEDs cu

SGM3146 Distributors

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SGM3146 8-Channel Charge Pump White LED Driver Shengbang Microelectronics

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