Renesas RAA3064002GFP#HA0

Overview

RAA3064002GFP from Renesas Electronics is a resolver-to-digital converter IC designed for high-precision motor position feedback in industrial servo drives and robotics. It interfaces with single-phase excitation/two-phase output resolvers, delivers 16,000 pulses/rotation resolution at 5 kHz excitation, supports ±35 mA excitation drive, operates from a single 4.5–5.5 V supply, and features integrated shunt current amplifiers (gain ×10 or ×25) for motor phase current sensing.

For engineers reviewing the RAA3064002GFP datasheet, RAA3064002GFP pinout, RAA3064002GFP application, or RAA3064002GFP equivalent, this device is selected for closed-loop angle measurement systems requiring robust noise rejection, on-chip error correction (residual carrier, phase offset), and dual shunt amplifier support - all within a -40°C to +85°C industrial temperature range.

Technical Context

This IC implements a synchronous demodulation architecture with configurable excitation frequency (5/10/20 kHz), analog signal conditioning via dual differential amplifiers (programmable gain: 2–16.5), and digital angle synthesis using phase-adjustment and correction circuits. It outputs a rectangular angle signal whose phase delay relative to excitation directly encodes electrical angle.

The internal control block integrates SPI communication (≤1 MHz), three reset sources (RESET#, voltage detection, software), and monitoring functions including disconnection detection and over-temperature alarm. Two independent shunt current amplifiers support simultaneous motor phase current sensing with selectable gain (×10 or ×25) and dedicated ADC input routing.

Key Specifications

Pinout & Package

RAA3064002GFP uses a 48-pin plastic LQFP package (PLQP0048KB-B), 7 mm × 7 mm body, 0.5 mm pitch, exposed thermal pad (EVSS-connected).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar resolver-to-digital conversion applications.

Compared with AD2S1210BSTZ and AMC1303M0510, RAA3064002GFP uniquely integrates excitation generation, resolver signal conditioning, angle synthesis, and dual shunt amplification in one 48-pin LQFP - reducing system-level complexity and interconnect noise while targeting industrial servo and robotics applications with defined temperature and supply constraints.

Availability

RAA3064002GFP is available at Aetrix Electronics and suitable for industrial servo drives, robot joint actuators, PLC motion modules, and electric actuators requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.

Supply support for RAA3064002GFP 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, and SoC solutions for industrial, automotive, and enterprise markets.

The RAA3064002GFP belongs to Renesas' resolver-to-digital converter product line, engineered specifically for high-accuracy motor position feedback in industrial automation systems where resolver robustness, noise immunity, and integration density are critical design requirements.

FAQ

What is the maximum excitation frequency supported by RAA3064002GFP?

RAA3064002GFP supports selectable excitation frequencies of 5 kHz, 10 kHz, and 20 kHz. The choice depends on the connected resolver's specifications and system noise environment. At 5 kHz, RAA3064002GFP achieves its rated 16,000 pulses/rotation resolution when paired with an 80 MHz host MCU timer. Higher frequencies improve noise immunity but reduce achievable resolution per rotation unless host timing resources are increased.

Does RAA3064002GFP include built-in shunt current amplifiers?

Yes, RAA3064002GFP integrates two independent shunt current amplifiers with selectable gain settings of ×10 or ×25. These amplifiers accept differential inputs (I1INP/I1INN and I2INP/I2INN) and route conditioned outputs to dedicated ADC input pins (I1OUT and I2OUT), enabling direct connection to host MCU analog converters for motor phase current monitoring without external op-amps.

What is the operating temperature range for RAA3064002GFP?

RAA3064002GFP is rated for operation from -40°C to +85°C ambient temperature. This specification aligns with industrial-grade requirements and distinguishes it from the RAA3064003GFP variant, which extends to +105°C for higher-temperature environments such as enclosed motor drives or under-hood industrial enclosures.

How does RAA3064002GFP handle resolver disconnection detection?

RAA3064002GFP continuously monitors input signal levels at SIN+, SIN-, COS+, and COS- terminals. When amplitude falls below a defined threshold indicating open-circuit windings, it asserts the ALARM# pin and updates the Alarm State Register (ALMST). This enables immediate host MCU response - such as disabling PWM outputs or logging fault events - without requiring external comparators or firmware-intensive signal analysis.

Can RAA3064002GFP operate from a single 5 V supply?

Yes, RAA3064002GFP operates from a single 4.5 V to 5.5 V supply across all functional blocks - including excitation driver, resolver signal chain, shunt amplifiers, and SPI interface. Internal regulators generate required analog (AVDD/AVSS) and I/O (IOVDD/IOVSS) domain voltages, eliminating need for multiple external supplies and simplifying power design in space-constrained motion control PCBs.