PCA9535EDTR2G

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PCA9535EDTR2G

IC I/O EXPANDER 16B 24TSSOP

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Spezifikationen

Supplier onsemi,Rochester Electronics, LLC
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
NumberofI/O 16
Interface I²C, SMBus
InterruptOutput Yes
Features POR
OutputType Push-Pull
Current-OutputSource/Sink 10mA, 25mA
ClockFrequency 100 kHz
Voltage-Supply 1.65V ~ 5.5V
OperatingTemperature -55°C ~ 125°C
MountingType Surface Mount
Package/Case 24-TSSOP (0.173, 4.40mm Width)

Übersicht

Description

PCA9535EDTR2G is NXP’s 16-bit I/O expander with I2C interface. It adds 16 configurable GPIOs (two 8-bit ports) to a microcontroller, enabling extra digital inputs/outputs over a single I2C bus.
Key points:
- Two 8-bit ports (16 GPIOs total) with per-pin direction control (input/output).
- I2C bus interface (standard/fast mode up to 400 kHz); base address 0x20 with A0–A2 selects up to 8 devices on the bus.
- Registers for direction, output data, input status, and optional polarity inversion; supports an interrupt output on pin state changes.
- Supply voltage 2.3–5.5 V; tolerant I/O pins powered from VDD.
- Package variant PCA9535EDTR2G indicates a tape-and-reel (TR) RoHS-compliant version.
Typical uses: expand MCU GPIO for LED driving, keypad/sensor inputs, or general-purpose I/O where extra pins are needed without extra MCU pins.
Tip: initialize by configuring IODIR (direction), then write to OLAT/GPIO as outputs, or read GPIO for inputs. Check the exact register map in the datasheet for your exact revision.

Features

Concise features of PCA9535EDTR2G:
- 16-bit I/O expander for I2C-bus with two 8-bit ports (P0–P7 and P8–P15)
- Flexible I/O: each pin can be configured as input or output (IODIR)
- Read/write access via GPIO and OLAT (output latch) registers
- Per-pin input polarity inversion (IPOL)
- Interrupt capability: INT pin (open-drain) with GPINTEN, INTCON, and DEFVAL for configurable wake-up/latched interrupts
- 3 hardware address pins (A0–A2) for up to 8 I2C addresses
- Wide supply range: 1.65 V to 5.5 V; supports standard and fast I2C modes
- Source/sink capability up to ~25 mA per pin
- Package: 16-pin (e.g., TSSOP/SOIC) variant like EDTR2G
Note: Provides typical features expected of a 16-bit I/O expander in the PCA95xx family.

Package

PCA9535EDTR2G uses a 28‑pin surface-mount package (SOIC-28), shipped in Tape‑and‑Reel.

Pinout

- Pin count: 20 pins (TSSOP-20 package).
- Function: 16-bit I2C I/O expander with two 8-bit ports (Port0 and Port1) for GPIOs; configurable direction and polarity; supports IRQ/INT output; I2C address set by A0–A2 pins (VDD, VSS, SDA, SCL included).

Manufacturer

- Manufacturer: NXP Semiconductors.
- What kind of company: A Dutch multinational semiconductor company that designs and manufactures integrated circuits and system solutions for automotive, industrial, and consumer electronics (a leading global IC supplier headquartered in Eindhoven).

Application

The PCA9535EDTR2G is a 16-bit I2C I/O expander. Common application areas:
- Extend MCU/SoC GPIOs in embedded systems with limited pins
- Drive LEDs, read switches, buttons, and simple digital sensors
- Interface multiple peripherals over I2C without extra MCU pins
- Industrial automation, control panels, and PLC-style I/O expansion
- Home/auto automation and smart-device interfaces requiring many digital I/O

Equivalent

Equivalent products (16-bit I2C GPIO expanders):
- Microchip MCP23017
- NXP PCA9555
- NXP PCF8575
- Texas Instruments TCA9535
These offer similar I2C-based 16-bit I/O expansion; verify pinout and register maps for exact compatibility.

Versand

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DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.

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UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

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Zahlungen

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