NXP PCA9306DC

Mfr. Part

PCA9306DC

Manufacturer

Freescale / NXP Semiconductors. Y-IC is a quality distributor of NXP, and we will provide you with the best products and services, fast delivery, and reliable support.

Detailed Description

Dual-channel bidirectional I2C/SMBus voltage-level translator with enable. Designed for open-drain buses (SDA and SCL). Translates between two supply rails (VREF1 and VREF2) so systems at different logic levels can communicate cleanly. Compact DC package for space-constrained designs. Main Category: Integrated Circuits (ICs). Small Classification: Specialized ICs. In-stock quantity: 48,555 units. Date Code: 23+.

Key Features

Two bidirectional channels: SDA and SCL

No direction pin needed; automatic bidirectional pass-FET translation

Enable (EN) pin to turn translation on/off

Wide voltage support across sides; typical low-voltage core to higher-voltage peripherals

Open-drain friendly; uses pull-up resistors on both sides

Low quiescent current and simple design

Supports Standard-mode and Fast-mode I2C speeds (100 kHz and 400 kHz); higher speeds possible depending on bus capacitance and pull-ups

Small footprint DC package

Key Advantages

Simple, proven solution for I2C level shifting with minimal external parts

Saves board space and BOM cost versus buffered solutions

Robust operation across common logic voltages (from low-voltage cores up to 5 V peripherals)

Easy enable control for power sequencing and isolation

Widely adopted device family with strong application notes and ecosystem

Backed by NXP quality; stocked and supported by Y-IC

Packaging

Type: Ultra-small 8-pin leadless (DC suffix; commonly XSON/USON style)

Material: Molded plastic package with copper terminations; lead-free; RoHS compliant

Package/Case code: 140145 (supplier reference)

Typical body size: approximately 2.0 mm x 1.25 mm x 0.5 mm (exact outline varies by DC package variant; confirm in datasheet)

Pin configuration (8 pins): VREF1, VREF2, EN, GND, SDA1, SCL1, SDA2, SCL2

Thermal characteristics: low-power device; typical ΘJA depends on PCB (often around 200°C/W on standard test boards); operating temperature usually -40°C to +85°C (verify exact grade in datasheet)

Electrical properties (typical behavior): VREF1 side ~1.0–3.6 V; VREF2 side ~1.8–5.5 V; bidirectional pass-FET with low on-resistance (tens of ohms); supports open-drain I2C; requires proper pull-up resistors sized to bus capacitance; supports Standard/Fast-mode I2C timing

Lifecycle

Status: Active and widely available; not nearing discontinuation

Equivalent or alternative models (detailed list):

- NXP PCA9306D (SOIC-8 package; same function)

- NXP PCA9306DP (TSSOP-8 package; same function)

- NXP PCA9306DC (this ultra-small DC package variant)

- Nexperia NVT2002 (2-channel bidirectional I2C level translator; similar function)

- Texas Instruments TCA9406 (2-bit I2C/SMBus translator with OE; similar use case)

- Texas Instruments PCA9306 family variants (e.g., PCA9306DR/PCA9306DCU; different packages, same function)

- NXP PCA9517A / TI TCA9517 (buffered I2C level translators; alternative if you need stronger buffering or longer buses)

If you need pin-for-pin compatibility or guidance for your exact footprint and performance requirements, contact our sales team on the Y-IC website for model-to-model matching and the latest cross-reference data

Key Application Areas

Level shifting between low-voltage MCUs/SoCs/FPGA cores (1.0–1.8 V) and 3.3 V or 5 V I2C sensors, EEPROMs, ADC/DACs

SMBus in laptops, servers, and battery management

Smartphones, tablets, and wearables for sensor hubs

IoT nodes and gateways connecting mixed-voltage peripherals

Industrial control and instrumentation with mixed supply rails

Development boards and prototypes needing quick, reliable I2C translation

Datasheet

Y-IC hosts the most authoritative datasheet for PCA9306DC on our product page. We strongly recommend downloading the datasheet here to confirm exact electrical limits, package outline, and application guidance.

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