SI8620BC-B-IS

SI8620BC-B-IS is Silicon Labs’ 2-channel digital isolator (iCoupler). It provides galvanic isolation between two digital domains while carrying two independent bidirectional signal channels, enabling safe data transfer between a low-voltage controller and high-voltage/noisy circuitry.
Key points
- Channels: Two independent bidirectional data paths.
- Logic and voltage: Compatible with 3.3V and 5V logic levels.
- Isolation: Isolation rating depends on the exact variant; typically tens of kilovolts of isolation capability (basic to reinforced variants). Check the datasheet for the precise rating of this model.
- Speed and power: High-speed digital isolation with data rates in the tens of Mbps range; designed for low static power.
- Package and rating: Pb-free (RoHS), industrial-temperature variant indicated by the -IS suffix; common small-outline 8-pin package.
- Applications: Isolating MCU interfaces (I2C, SPI, UART), motor drives, I/O lines in industrial automation, measurement equipment.
Note: For exact electrical specs, pinout, and isolation rating, consult the SI8620BC-B-IS datasheet or Silicon Labs’ product page.

SI8620BC-B-IS is a Silicon Labs 2‑channel digital isolator. Common equivalents:
- Analog Devices: ADuM1250 / ADuM1251 (ADuM12xx family)
- Texas Instruments: ISO72xx / ISO77xx series (e.g. ISO7721 / ISO7741)
- Broadcom/Avago: ACPL digital‑isolator/opto families (for slower designs)
- Silicon Labs: Si864x/Si865x (pin/perf variants)
Verify isolation voltage, data rate, channel direction, VCC and package for a true drop‑in replacement.

Here are typical features of the SI8620BC-B-IS family (Silicon Labs isolated digital transceiver):
- Dual-channel isolated digital interface (two independent channels)
- Isolation barrier rated for up to 2.5 kV RMS (basic) between sides
- Independent Vcc1 and Vcc2 supplies; supports 3–5.5 V logic on both sides
- Push-pull (rail-to-rail) outputs; CMOS/TTL-compatible input thresholds
- High-speed data transfer with low propagation delay and low skew
- Industrial temperature range (approximately -40°C to +125°C)
- 8-pin package variants (e.g., SOIC/VSSOP); RoHS-compliant
- Robust ESD protection and good common-mode transient immunity
- Suitable for I/O isolation projects (I2C/SPI/UART, GPIO, etc.)
Note: Exact numbers (isolation rating, speed, current, timing) vary by exact sub-model. Check the datasheet for precise specifications of SI8620BC-B-IS in your package.

Pin count: 8 pins (SOIC/MSOP 8‑pin package).
Function: SI8620BC-B-IS is a dual‑channel digital isolator providing galvanic isolation between two sides (A and B). Typical pins are VCC1, GND1 (side A power), VCC2, GND2 (side B power) and two signal pairs A1/A2 and B1/B2. It isolates and level‑translates digital/bidirectional signals (commonly used for I2C or general logic lines) while protecting low‑voltage circuitry from high common‑mode voltages.

The SI8620BC-B-IS is manufactured by Silicon Laboratories (Silicon Labs). Silicon Labs is a U.S.-based fabless semiconductor company that designs and sells mixed-signal and wireless integrated circuits (microcontrollers, wireless SoCs, timing, isolation devices, sensors, and power-management/analog ICs) for IoT, industrial, and consumer markets; it is headquartered in Austin, Texas.

SI8620BC-B-IS is a dual-channel isolated digital isolator. Common application areas:
- Industrial automation and motor drives (galvanic isolation between controllers and high‑voltage/ noisy sections)
- Isolated digital interfaces (SPI/I2C/UART) for MCUs and sensors/actuators
- Power electronics and measurement equipment (isolated ADC/DAC, feedback loops)
- Renewable energy systems (solar/wind inverters, isolated data paths)
- Medical and safety-critical equipment requiring galvanic isolation and EMI tolerance
Note: suitable for general isolated data links in harsh environments.

The SI8620BC-B-IS is supplied in an 8-pin SOIC surface-mount package (SO-8). The “-IS” denotes industrial temperature range and tape-and-reel shipping.