Renesas SLG46880V

Overview

SLG46880V from Renesas Electronics is a programmable mixed-signal IC featuring an asynchronous state machine (ASM), dual supply rails (VDD/VDD2), 12 combination function macrocells, two high-speed and two low-power rail-to-rail analog comparators, and integrated 2.048 kHz/2.048 MHz/25 MHz oscillators. It operates from 2.5 V to 5 V on both supplies (VDD2 ≤ VDD) and supports I²C configuration in compact 32-pin STQFN (4 mm × 4 mm). It replaces discrete logic, comparators, and timing circuits in power management and system control.

For engineers reviewing the SLG46880V datasheet, SLG46880V pinout, SLG46880V application, or SLG46880V equivalent, this device enables rapid implementation of custom mixed-signal functions-including voltage monitoring, debounce, pattern generation, and state-driven sequencing-without FPGA complexity or MCU firmware overhead.

Technical Context

The SLG46880V integrates a fault-tolerant Zero Static Power Asynchronous State Machine with 12 states and four dynamic memory macrocells, enabling deterministic, low-latency response to analog and digital events without clock dependency. Its connection matrix routes signals between 12 macrocells, four selectable DFF/LATCH or LUT blocks, and dedicated f(1) computation macrocell with ACMP input.

It supports dual-supply operation (VDD and VDD2), where VDD2 powers I/O banks independently-enabling level-shifting between 2.5–5 V domains-and includes three internal oscillators, crystal oscillator support, analog temperature sensing, and Power-On Reset. All logic and analog resources are configured via one-time programmable NVM.

Key Specifications

Pinout & Package

SLG46880V is housed in a 32-pin STQFN package (4 mm × 4 mm × 0.55 mm, 0.4 mm pitch) with wettable flanks for automated optical inspection. Pin functions include dual-supply I/Os (VDD/VDD2 referenced), analog comparator inputs/outputs, reference outputs, oscillator/crystal terminals, I²C SDA/SCL, and dedicated ASM control pins.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar programmable mixed-signal logic applications.

Compared with SLG46881V and SLG46533V, the SLG46880V uniquely combines dual-supply I/O, full 12-state ASM, crystal oscillator support, and integrated temperature sensing-making it the only GreenPAK variant capable of replacing microcontrollers in self-contained power and safety supervision tasks.

Availability

SLG46880V is available at Aetrix Electronics and suitable for power sequencing control, battery management systems, USB-C port logic, and industrial sensor signal conditioning requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.

Supply support for SLG46880V 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 Japan, delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise applications.

The GreenPAK family-including SLG46880V-is designed specifically for replacing discrete analog and digital components in system-level supervisory, interface, and power-control functions with field-programmable, low-power, single-chip alternatives.

FAQ

What is the primary function of the SLG46880V in a system design?

The SLG46880V serves as a programmable mixed-signal system supervisor-integrating analog comparators, voltage references, oscillators, and an asynchronous state machine to autonomously manage power sequencing, voltage monitoring, and event-driven logic without host processor intervention. Its SLG46880V configuration enables deterministic, low-latency responses to analog and digital inputs, making it ideal for safety-critical and energy-constrained applications.

Does the SLG46880V support crystal oscillator input, and what frequency range is compatible?

Yes, the SLG46880V supports external crystal oscillator input via dedicated XTAL_IN and XTAL_OUT pins. It is compatible with crystals in the 1 MHz to 20 MHz range, providing higher frequency stability than its internal 2.048 kHz, 2.048 MHz, and 25 MHz RC oscillators-critical for applications requiring precise timing such as USB-C CC line detection or synchronized sensor sampling.

How does the dual-supply architecture (VDD/VDD2) of the SLG46880V improve system integration?

The SLG46880V's dual-supply architecture allows independent biasing of core logic (VDD) and I/O banks (VDD2), enabling seamless interfacing between disparate voltage domains-for example, connecting a 5 V sensor output to a 3.3 V microcontroller GPIO without external level shifters. This capability reduces board space, component count, and signal integrity risks while maintaining full functionality across both supply rails.

Can the SLG46880V be reprogrammed after soldering onto a PCB?

No, the SLG46880V uses one-time programmable (OTP) non-volatile memory for configuration storage. Programming must be completed prior to system integration using Renesas' GreenPAK Designer software and a compatible programmer (e.g., SLG4DVK). Once programmed, the SLG46880V retains its configuration permanently-even through power cycles-but cannot be altered in-circuit.

What is the role of the f(1) computation macrocell in the SLG46880V?

The f(1) computation macrocell in the SLG46880V is a dedicated logic block that accepts input directly from an analog comparator and executes Boolean functions (e.g., AND, OR, NAND) in a single cycle. It enables hardware-accelerated decision-making-such as triggering a shutdown when both overvoltage and overtemperature conditions occur-without relying on software polling or additional logic gates, thereby improving system reliability and response speed.