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See Technical Specifications

SX1503I091TRT

Low Voltage GPIO 20-Pin QFN-UT TRT

Manufacturer:

Semtech
Mfr.Part #:

SX1503I091TRT
Datasheet:

SX1503I091TRT Datasheet (PDF)
Mounting Style:

SMD/SMT
Interface Type:

I2C, Serial
Number of I/Os:

16 I/O
Interrupt Output:

With Interrupt
EDA/CAD Models:

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SX1503I091TRT General Description

The SX1503I091TRT is a 16-channel I/O Expander with LED Driver from Semtech. It features a low-voltage I2C interface that allows for easy integration with microcontrollers and other digital systems. The device operates at a voltage range of 1.2V to 3.6V, making it suitable for various battery-powered applications.This I/O expander provides 16 configurable I/O pins that can be used as digital inputs or outputs. It also includes an LED driver with programmable current sinks capable of driving up to 40mA per channel. This feature allows for the control of up to 16 LEDs directly from the device, eliminating the need for additional external components.The SX1503I091TRT supports a wide range of LED blinking and breathing effects, enabling various lighting patterns for display and indicator applications. It also offers configurable LED fade-in and fade-out times, as well as PWM dimming control for precise brightness adjustments.

Key Features

Low voltage and low power GPIO expander
Enhanced ESD protection
High voltage tolerant GPIO pins
Power-on reset
Open-drain output with 25mA sink capability
I2C-bus/SMBus interface
1.65V to 5.5V VCC supply
Available in TDFN-8 package
Address selection through A0 and A1 pins

Application

Automotive interior lighting
Home automation systems
Industrial control systems
Smart appliances
LED lighting control
IoT (Internet of Things) devices
Gaming peripherals
Medical devices
Consumer electronics
Security systems

Specifications

Product Category	Interface - I/O Expanders	Mounting Style	SMD/SMT
Interface Type	I2C, Serial	Number of I/Os	16 I/O
Interrupt Output	With Interrupt	Supply Voltage - Min	1.2 V
Supply Voltage - Max	5.5 V	Maximum Clock Frequency	400 kHz
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 85 C
ESD Protection	2 kV	Development Kit	SX1502EVK
Features	Power-On Reset and Reset Input (NRESET)	Operating Supply Current	1 uA
Operating Supply Voltage	5.5 V	Output Current	8 mA, 24 mA
Output Type	Open Drain, Push Pull	Product	I/O Expanders
Product Type	I/O Expanders	Factory Pack Quantity	3000
Subcategory	Interface ICs	Type	GPIO Expander
Unit Weight	0.002497 oz