LED flash driver capable of driving 1.5A in just 7mm2

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Features of LED Flash Driver "LM36010"

The LM36010 is an LED flash driver provided by Texas Instruments (hereafter TI).

In flash mode, it can drive a maximum current of 1.5A within 1.6 seconds, making it ideal for surveillance cameras that require the necessary brightness in a short period of time.

In addition, current control is possible from 2.4mA to 376mA in torch mode. Therefore, it is also suitable for mobile devices that require high efficiency.

Input voltage (Min)	Input voltage (Max)	Number of LEDs	drive current	interface	temperature range
2.5V	5.5V	1	1.5A	I2C	-40～85℃

The LM36010 has the following major features and benefits.

1. Drive LED flash current up to 1.5A for short duration

Utilizing 2MHz and 4MHz synchronous boost converters, the LM36010 can drive LED flash currents ranging from 11mA to 1.5A within 1.6 seconds.

Therefore, an LED flash with the required brightness can be achieved in a short time.

Article header library 129609 pic01 1 — Current drive characteristics

2. Only 7mm2 ultra-small package, minimum board area required for mounting

The LM36010 is an 8-pin ultra-small DSBGA package.
Since the package size is 7mm2, it can be mounted in a small board area.

It is ideal for applications where board size is limited, such as surveillance cameras and mobile devices.

Article header library 129609 pic02 1 — Placement layout example

3. Easy control with "I2C" interface

The LM36010 has an I2C interface for various device settings. Therefore, it is easy to control the LM36010 from a microcontroller.

Article header library 129609 pic03 1 — LM36010 schematic diagram

"LM36010EVM" evaluation kit for immediate evaluation

The LM36010EVM evaluation kit is available from TI for easy evaluation of the LM36010. This evaluation kit allows you to evaluate the operation and performance of the LM36010 LED Flash Driver.

Article header library 129609 pic04 1 — LM36010EVM Evaluation Board

This evaluation board can be immediately evaluated by following the steps below.

1. Prepare and connect the necessary equipment

The following equipment is required for evaluation.

1 PC for development
LaunchPad (MSP432) microcontroller board
LM36010EVM Evaluation Kit

Connect the PC and the microcomputer board with a USB cable.
The MCU board and LM36010EVM evaluation kit can be connected via an I2C interface.

Article header library 129609 pic05 1 — Connection diagram

2. Start evaluation

Evaluation can be started immediately by setting the USB driver and GUI tool provided by TI on the PC.

Article header library 129609 pic06 1 — Setting example with GUI tool

Application example

mobile phone/smartphone
Tablet
IR LED driver
Video Surveillance: IP Camera
barcode scanner
portable data terminal

Article header library 129609 pic07 1 — Application example

Product Summary

Type name

LM36010EVM

specification

Programmable LED current
- Flash/IR current range: 11mA to 1.5A (128 levels)
- Torch current range: 2.4mA to 376mA (128 levels)
Flash timeout up to 1.6 seconds
Optimize flash LED current in low battery conditions (IVFM)
Improved thermal management with grounded cathode LED operation
Small total solution size: less than 7mm2
Hardware strobe enable (STROBE)
Input Voltage Range: 2.5V to 5.5V
^400kHz I2C compatible interface
- I2C address = ^0x64