SGM37863 Synchronous Boost LED Flash Driver with 1.5A High-Side Current Source

PublishTime：2024-07-15

●GENERAL DESCRIPTION ■The SGM37863 is a single LED flash driver that is compact and highly customizable. The constant current LED source allows for flexible adjustment from 16mA up to 1.5A in flash mode, and from 4mA up to 388mA or from 3mA up to 204mA in torch mode, each with 128 levels. It employs a synchronous Boost converter with a fixed frequency of 2MHz or 4MHz to automatically adjust the output voltage to maintain at least minimum headroom voltage VHR across the current source, with VHR being the difference between VOUT and VLED . The utilization of an adaptive control method ensures that the current source is regulated and efficiency is maximized. ■The SGM37863 features include an I²C interface for management, hardware flash enable pin (STROBE), and the options for 2MHz or 4MHz switching frequency, as well as 1.9A or 2.8A Boost current limit, making it possible to use small, low-profile inductors and ceramic capacitors. The protection functions include input voltage flash monitor (IVFM), over-voltage protection (OVP), LED and VOUT short protection, thermal scale-back (TSB) and thermal shutdown (TSD). The recommended operating temperature range is from -40°C to +85°C. ●FEATURES ■Optional Working Mode and Programmable LED Currents ◆Flash/IR Mode: 16mA to 1.5A with 128 Levels ◆Torch Mode: ▲4mA to 388mA with 128 Levels when I_TORCH_SEL = 0 ▲3mA to 204mA with 128 Levels when I_TORCH_SEL = 1 ■2.7V to 5.5V Input Voltage Range ■Flash Timeout Ranges: 40ms to 1600ms ■Optional Switching Frequency: 2MHz or 4MHz ■Optional Current Limit: 1.9A or 2.8A ■I²C Port for Flexible Working Mode Setting and Status Reporting ■Hardware Flash Enable (STROBE) ■Optimized Flash LED Current with Input Voltage Flash Monitor (IVFM) ■Over-Voltage Protection ■LED and V OUT Short Fault Protection ■Thermal Scale-Back and Thermal Shutdown ■Available in a Green WLCSP-0.8×1.5-8B Package

Brand of Product：	SGMICRO
Part#：	SGM37863、SGM37863YG/TR More Part#
Product Category：	Synchronous Boost LED Flash Driver、single LED flash driver More
Application：	[ Smart Phones ][ Tablets ][ Portable Internet Devices ][ Portable Internet Devices Accessory ][ Action Cameras ][ IR LED Driver ] More
Data Type：	Datasheet More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：	WLCSP-0.8×1.5-8B
Language：	English Chinese Chinese and English Japanese
Date of Creation：	JANUARY 2024
Version Number：	REV. A
Data Encoding：
Data Size：	1.5 MB

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