Renesas RAA2213204GNP#HB0

Overview

RAA2213204GNP#HB0 from Renesas Electronics is a 20A Smart Power Stage (SPS) with integrated high-accuracy current and temperature monitors, designed for use with ISL68xxx/69xxx digital multiphase controllers in VRM/VRD applications. It supports 3.0–16V input, delivers 20A DC output, features ±3% IMON accuracy with REFIN input, 8mV/°C TMON, and operates up to 1.5MHz switching frequency.

For engineers reviewing the RAA2213204GNP#HB0 datasheet, RAA2213204GNP#HB0 pinout, RAA2213204GNP#HB0 application, or RAA2213204GNP#HB0 equivalent, key selection criteria include tri-state PWM compatibility, downslope current sensing, fault reporting via open-drain FAULT#, thermal protection with OT flag, and 4×5 PQFN package integration with minimal PCB footprint.

Technical Context

The RAA2213204GNP#HB0 implements a fully integrated power stage with synchronous buck topology, featuring integrated high- and low-side MOSFETs, gate drivers, and analog monitoring circuitry. Its downslope current sensing eliminates DCR-based networks and associated thermal compensation components.

It interfaces directly with Renesas digital multiphase controllers via 3.3V-compatible tri-state PWM, BOOT, PHASE, EN, and VCC signals, while providing real-time feedback through IMON, TMON, and FAULT# outputs. Fault protection includes UVLO, shorted HFET detection, overcurrent, and overtemperature with automatic controller disable capability.

Key Specifications

Pinout & Package

RAA2213204GNP#HB0 is housed in a 25-lead, 4×5 mm PQFN package with wettable flank leads and an exposed thermal pad (EP). The package supports reflow soldering per IPC/JEDEC J-STD-020 and achieves <1.0°C/W θ_JA with 2 oz copper and 4 thermal vias under EP.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar smart power stage applications.

Compared with ISL99390IRZ-T7A and TPS53679RSLR, the RAA2213204GNP#HB0 uniquely combines 20A capability, ±3% IMON with REFIN, analog TMON with OT flag, and tri-state PWM-making it optimal for high-accuracy, analog-feedback multiphase VRMs where controller compatibility and thermal-aware current balancing are critical.

Availability

RAA2213204GNP#HB0 is available at Aetrix Electronics and suitable for high-frequency VRM design, GPU power delivery, and server memory regulation requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for RAA2213204GNP#HB0 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

Renesas Electronics Corporation is a global semiconductor leader headquartered in Tokyo, Japan, specializing in microcontrollers, analog power devices, and embedded solutions for automotive, industrial, and datacenter markets.

The RAA2213204GNP#HB0 belongs to Renesas' Smart Power Stage family, engineered specifically for high-efficiency, digitally controlled multiphase DC/DC converters in CPU, GPU, and ASIC power delivery applications.

FAQ

What is the maximum continuous output current supported by the RAA2213204GNP#HB0?

The RAA2213204GNP#HB0 supports 20A continuous DC output current under standard thermal conditions (70°C ambient, 2 oz copper, 4 thermal vias). Derating begins above 70°C ambient, reaching 15A at 105°C junction temperature. This rating assumes proper PCB layout with low-impedance VIN and GND planes and adequate heatsinking via the exposed thermal pad.

Does the RAA2213204GNP#HB0 require external current sense resistors?

No, the RAA2213204GNP#HB0 does not require external current sense resistors. It uses integrated downslope current sensing to measure inductor current directly from the PHASE node, eliminating the need for DCR sense networks and associated thermal compensation components. The IMON output provides a calibrated 0–1V analog signal with ±3% accuracy referenced to the REFIN input.

How does the FAULT# pin function in the RAA2213204GNP#HB0?

The FAULT# pin on the RAA2213204GNP#HB0 is an open-drain output that asserts low during any detected fault condition-including VCC undervoltage lockout (UVLO), shorted high-side FET, overcurrent, or overtemperature. It connects directly to the controller's fault input (e.g., ISL68228 FAULT pin) to initiate shutdown or retry logic, and remains asserted until the fault clears and EN is cycled.

Can the RAA2213204GNP#HB0 operate with non-Renesas multiphase controllers?

The RAA2213204GNP#HB0 is optimized for Renesas ISL68xxx/69xxx digital multiphase controllers and relies on specific timing and handshake protocols (e.g., tri-state PWM behavior, FAULT# assertion timing, IMON/REFIN scaling). While basic PWM operation may function with other controllers, full feature support-including fault coordination, current balancing, and thermal management-is only guaranteed with Renesas DMP controllers as specified in the RAA2213204GNP#HB0 datasheet.

What thermal performance can be expected from the RAA2213204GNP#HB0 in a typical 4-layer PCB layout?

In a standard 4-layer PCB with 2 oz copper on layers 1 and 4, 4 × 0.3mm thermal vias under the exposed pad, and 10 cm² copper pour, the RAA2213204GNP#HB0 achieves ≤2.5°C/W junction-to-board thermal resistance. This allows sustained 20A operation at ≤70°C ambient without forced airflow, and maintains junction temperature below 125°C even under worst-case 1.5MHz switching with 12V input and 1V output.