NXP Semiconductors NVT2003DP,118

Overview

NVT2003DP,118 from NXP Semiconductors is a 3-bit bidirectional voltage-level translator IC for open-drain and push-pull applications, operating between 1.0 V–3.6 V (Vref(A)) and 1.8 V–5.5 V (Vref(B)), with ≤1.5 ns max propagation delay, 3.5 Ω typical ON-state resistance, and 5 V-tolerant I/Os. It enables seamless level translation in I²C bus interfaces between 1.8 V processors and 3.3 V peripherals without direction control.

For engineers reviewing the NVT2003DP,118 datasheet, NVT2003DP,118 pinout, NVT2003DP,118 application, or NVT2003DP,118 equivalent, key selection criteria include its flow-through TSSOP10 pinout, EN-controlled high-impedance disable state, ESD robustness (3.5 kV HBM), and compatibility with mixed-voltage I/O domains requiring <33 MHz signal integrity at 50 pF load.

Technical Context

The NVT2003DP,118 implements a passive clamp-based bidirectional translation architecture using integrated MOSFET switches per channel. Each An–Bn pair forms a symmetrical, low-Ron (≤5.0 Ω) pass switch controlled by Vref(A) and Vref(B), enabling automatic voltage limiting without external direction logic.

EN input-referenced to Vref(B)-gates conduction across all three channels; when LOW, both An and Bn terminals enter high-impedance states. The device supports transmission speeds up to 33 MHz in open-drain systems with 50 pF capacitance and 197 Ω pull-up, with rise/fall times dominated by external RPU × CL and driver sink strength.

Key Specifications

Pinout & Package

TSSOP10 package (SOT552-1), 3 mm body width, 0.5 mm pitch, lead-free, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar bidirectional voltage translation applications.

Compared with PCA9306DCUR and TXS0103PWR, the NVT2003DP,118 uniquely supports open-drain and push-pull topologies with independent Vref(A)/Vref(B) supplies, an enable pin for power-aware bus management, and a flow-through TSSOP10 layout optimized for I²C routing-making it the only option meeting full functional and mechanical requirements for 3-wire industrial I²C bridging.

Availability

NVT2003DP,118 is available at Aetrix Electronics and suitable for industrial sensor interfaces, automotive body control modules, I²C bus bridging, and multi-rail power domain isolation requiring stable component supply across extended temperature ranges.

Supply support for NVT2003DP,118 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in interface IP and mixed-signal design.

The NVT2003/06 family was designed specifically for robust, pin-efficient bidirectional level translation in resource-constrained embedded systems-addressing interoperability challenges between evolving low-voltage cores and legacy higher-voltage peripherals.

FAQ

What voltage ranges does the NVT2003DP,118 support for level translation?

The NVT2003DP,118 supports Vref(A) from 1.0 V to 3.6 V and Vref(B) from 1.8 V to 5.5 V. For reliable operation, Vref(B) must be at least 1 V higher than Vref(A). This enables translation between common combinations such as 1.8 V ↔ 3.3 V, 1.2 V ↔ 5 V, and 1.0 V ↔ 3.3 V. The NVT2003DP,118 does not support translation where Vref(A) ≥ Vref(B).

Can the NVT2003DP,118 be used with I²C open-drain buses?

Yes-the NVT2003DP,118 is explicitly designed for open-drain applications like I²C and SMBus. Its clamp-based architecture automatically handles bidirectional signal flow without direction control, and it maintains signal integrity up to 33 MHz with 50 pF load and 197 Ω pull-up. Pull-up resistors must be placed on both A-side and B-side, sized per Table 6–8 in the datasheet based on driver sink current and voltage levels.

What is the function of the EN pin on the NVT2003DP,118?

The EN pin on the NVT2003DP,118 controls translation enable/disable: when HIGH (referenced to Vref(B)), all three An–Bn channels conduct; when LOW, all six I/Os enter high-impedance state. EN must be driven from the Vref(B) domain and pulled up via a high-value resistor (e.g., 200 kΩ) to Vpu(D). This allows safe power sequencing-EN stays LOW during power-up/down to prevent bus contention.

Does the NVT2003DP,118 require external components for basic operation?

Yes-the NVT2003DP,118 requires external pull-up resistors on both A-side and B-side I/Os for open-drain operation, plus a pull-up resistor and optional filter capacitor on the EN pin. Vref(A) and Vref(B) must be supplied from stable low-noise sources. No external direction logic, level-shifting FETs, or current-limiting resistors are needed, distinguishing it from discrete solutions.

How does the NVT2003DP,118 handle ESD protection?

The NVT2003DP,118 provides built-in ESD protection exceeding 3.5 kV HBM (per JESD22-A114) and 1000 V CDM (per JESD22-C101) on all I/O pins. This protects sensitive 1.0–1.8 V logic from system-level transients without requiring external TVS diodes-reducing BOM cost and PCB area. The protection is inherent to the silicon process and does not degrade performance or add capacitance beyond specified Cio(on) values.