Renesas SLG46867M

Overview

SLG46867M from Renesas Electronics is a programmable mixed-signal matrix IC with dual 44 mΩ/2 A P-FET power switches, two high-speed and two low-power analog comparators, dual voltage references, three oscillators (2.048 kHz, 2.048 MHz, 25 MHz), and an integrated analog temperature sensor. It implements configurable logic via OTP NVM for power sequencing, system reset, and LED/haptic motor control in space-constrained consumer electronics.

For engineers reviewing the SLG46867M datasheet, SLG46867M pinout, SLG46867M application, or SLG46867M equivalent, this device supports I²C configuration, programmable delay/edge detection, deglitch filtering, and power-switch-controlled wake/sleep states - critical for embedded power management and analog signal conditioning design.

Technical Context

The SLG46867M integrates a reconfigurable interconnect matrix linking 15 combination-function macrocells (including 2-/3-/4-bit LUTs and DFF/LATCH options), eight multi-function macrocells (with 8- or 16-bit counters/delays), and dedicated analog blocks. Its architecture enables user-defined state machines, timing generators, and analog-digital hybrid functions without external components.

It features three independent oscillators with ±1.5% accuracy (25 MHz), ±2% (2.048 MHz), and ±5% (2.048 kHz); dual Vref outputs (1.2 V and 2.5 V); and ACMPxH propagation delay <100 ns at VDD = 5 V. The dual P-FETs support bidirectional current sensing and load switching with thermal shutdown protection.

Key Specifications

Pinout & Package

SLG46867M is housed in a 20-pin MSTQFN package measuring 1.6 mm × 3.0 mm × 0.4 mm with 0.4 mm pitch. The package supports thermal dissipation up to 1.2 W and includes exposed thermal pad for PCB heat sinking.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SLG46866V and SLG46533V, the SLG46867M uniquely integrates dual 2 A P-FETs, analog temperature sensing, and full 25 MHz timing capability - making it the only option among the three for self-contained, thermally aware, high-current power switching with programmable logic.

Availability

SLG46867M is available at Aetrix Electronics and suitable for power sequencing control, LED/haptic motor driver, and system RESET with power switch applications requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.

Supply support for SLG46867M 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 is a global semiconductor leader delivering microcontrollers, analog power, and SoC solutions for automotive, industrial, and IoT markets with emphasis on reliability and energy efficiency.

The GreenPAK family - including the SLG46867M - was designed to replace discrete analog and digital glue logic in consumer and portable electronics, enabling rapid customization of mixed-signal functions via simple GUI-based programming.

FAQ

What is the maximum continuous current supported by each P-FET in the SLG46867M?

Each P-FET in the SLG46867M supports 2 A continuous current at T_A = 25 °C with V_GS = –4.5 V, verified under recommended operating conditions. Derating applies above 25 °C ambient; at 85 °C, the safe continuous current drops to approximately 1.4 A per channel due to thermal limits and R_DS(on) increase. The SLG46867M includes thermal shutdown protection that disables the FETs if junction temperature exceeds 150 °C.

Does the SLG46867M support I²C read-back of programmed configuration?

Yes, the SLG46867M supports full I²C read-back of all user-programmed registers, including macrocell configurations, oscillator selections, comparator settings, and P-FET control states. This capability enables field verification, debug logging, and dynamic reconfiguration - provided Read Lock is not enabled. Once Read Lock is activated via OTP bit, register read-back is permanently disabled for security.

Can the SLG46867M generate precise PWM signals for LED dimming?

Yes, the SLG46867M can generate stable PWM signals for LED dimming using its 25 MHz oscillator combined with programmable 8-bit or 16-bit counters and LUT-based pattern generators. With 25 MHz clock resolution, it achieves ≤40 ns timing granularity - sufficient for 10-bit dimming depth at 1 kHz carrier frequency. The SLG46867M also supports dead-time insertion and sync pulses for multi-channel driving.

What is the accuracy of the analog temperature sensor in the SLG46867M?

The analog temperature sensor in the SLG46867M has a typical accuracy of ±3 °C across the full operating range of –40 °C to +85 °C, as specified in Section 16 of the official datasheet. Output is ratiometric to VDD and calibrated at 25 °C; raw ADC-like output requires linearization in host firmware or external lookup table. It is intended for relative thermal trend detection rather than metrology-grade measurement.

Is the SLG46867M pin-compatible with other GreenPAK devices like SLG46866V?

No, the SLG46867M is not pin-compatible with SLG46866V. Although both use the same 20-pin MSTQFN package, pin assignments differ significantly - particularly for SW1/SW2, OUT1/OUT2, and VREF outputs. SLG46866V lacks P-FET terminals entirely and repurposes those pins as GPIOs. PCB layout must be redesigned when substituting between these variants.