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See Technical Specifications

PCA9539DB +BOM

16-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, reset & config registers

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

PCA9539DB
Datasheet:

PCA9539DB Datasheet (PDF)
Programmable:

Not Verified
Number Of I/O:

16
Interface:

I²C, SMBus
Interrupt Output:

Yes
EDA/CAD Models:

Request Free CAD Models for PCA9539DB

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PCA9539DB General Description

Elevate your LED control with the PCA9539DB from Texas Instruments, a high-performance LED driver with a 16-bit input/output port. Its wide supply voltage range of 2.3V to 5.5V makes it suitable for a range of applications, while its eight programmable I/O pins offer flexibility in configuration. Whether you prefer open-drain or push-pull outputs, this LED driver has you covered. Its compatibility with I2C-bus and SMBus protocols ensures seamless integration with your existing systems, while the programmable PWM controller allows for precise control over LED brightness levels. With a hardware reset pin and low standby current consumption, the PCA9539DB is a reliable and efficient choice for your LED control needs

Key Features

Low standby-current consumption of 1 µA max
I²C to Parallel port expander
Open-drain active-low interrupt output
Active-low reset input
5-V Tolerant I/O ports
Compatible with most microcontrollers
400-kHz Fast I²C Bus
Polarity inversion register
Address by two hardware address pins for use of up to four devices
Latched outputs with high-current drive capability for directly driving LEDs
Latch-up performance exceeds 100 mA Per JESD 78, class II
ESD protection exceeds JESD 22
- 2000-V Human-body model (A114-A)
- 1000-V Charged-device model (C101)

Specifications

Category	Integrated Circuits (ICs)InterfaceI/O Expanders	Series	-
Programmable	Not Verified	Number of I/O	16
Interface	I²C, SMBus	Interrupt Output	Yes
Features	POR	Output Type	Push-Pull
Current - Output Source/Sink	10mA, 25mA	Clock Frequency	400 kHz
Voltage - Supply	2.3V ~ 5.5V	Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount	Base Product Number	PCA9539
Number of I/Os	16	Supply voltage (min) (V)	2.3
Supply voltage (max) (V)	5.5	Addresses	4
Rating	Catalog	Frequency (max) (MHz)	0.4
Operating temperature range (°C)	-40 to 85