ISO6763QDWRQ1 - 6-CH 50Mbps 5kVrms Digital Isolator | TI
MPN: ISO6763QDWRQ1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.41 | $1.41 |
| 10 | $1.35 | $13.50 |
| 100 | $1.22 | $122.00 |
| 500 | $1.12 | $560.00 |
| 1,000 | $1.05 | $1,050.00 |
ISO6763QDWRQ1 Overview
A digital isolator is a semiconductor device that transfers digital signals across an isolation barrier, galvanically separating two ground domains to block high voltages, reject ground loops, and protect low-voltage circuitry. Within the power-signal-chain hierarchy, digital isolators sit under the isolation products family, alongside isolated transceivers and gate drivers, and are foundational components in industrial and automotive power management systems.
Key features include the 50 Mbps data rate supporting fast SPI, UART, and general-purpose GPIO traffic, 1.8 V to 5 V logic compatibility on both sides for direct interfacing with modern MCUs, and the 100 kV/us CMTI rating that keeps signals intact in the presence of aggressive switching transients from SiC and IGBT power stages. The AEC-Q100 qualification makes the part suitable for automotive environments.
The ISO676x-Q1 family uses TI capacitive isolation technology, with an SiO2-based barrier providing reinforced isolation. The 3/3 channel configuration (three channels in each direction) supports bidirectional buses such as full-duplex SPI (SCLK, MOSI, MISO plus CS) across the barrier without direction-control pins, reducing firmware overhead and glitch risk. The wide-body DW package provides adequate creepage and clearance for reinforced isolation designs.
Typical applications include isolated SPI communication in battery management systems (BMS), isolated UART and GPIO in on-board chargers and traction inverters, isolated communication in motor drives, and industrial PLC I/O isolation.
Design consideration: verify the total load capacitance on both sides; at 50 Mbps the output drivers need adequate decoupling (100 nF local plus 4.7 uF bulk per side is a common practice) to maintain signal integrity during simultaneous switching of multiple channels.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for ISO6763QDWRQ1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ISO6763QDWRQ1 (same form factor and footprint) — differing in Package, Isolation Rating, Channel Configuration, Common-Mode Transient Immunity (CMTI), Isolation Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ISO6763FQDWRQ1
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.78 / Unit
View Datasheet →ISO6761FQDWRQ1
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ISO6762FQDWRQ1
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ISO6760FDWR
✅ Drop-In✓ In Stock
$1.84 / Unit
View Datasheet →ISO6763QDWR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ISO6763QDWRQ1 Maximum Ratings & Electrical Characteristics
| Number of Channels | 6 (3 forward / 3 reverse, 3/3) |
| Maximum Data Rate | 50 Mbps |
| Isolation Rating | 5000 Vrms (per UL 1577) |
| Common-Mode Transient Immunity (CMTI) | 100 kV/us |
| Logic Voltage Support | 1.8 V to 5 V |
| Channel Direction | 3 forward / 3 reverse |
| Operating Temperature Range | -40C to +125C |
| Automotive Qualification | AEC-Q100 qualified |
| Package | SOIC (DW), 16 pins, wide body (7.50 mm width) |
| Mounting Type | Surface Mount |
| Application | General-purpose / SPI digital isolation |
ISO6763QDWRQ1 soic (dw), 16 pins, wide body (7.50 mm width) Pin Configuration Guide
Pin configuration for ISO6763QDWRQ1 (soic (dw), 16 pins, wide body (7.50 mm width) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for ISO6763QDWRQ1.
Refer to the datasheet for full pin configuration.
Typical Applications
ISO6763QDWRQ1 is suitable for 6 applications: Automotive Battery Management Systems (BMS), Isolated UART / RS-485 Links in Traction Inverters, Industrial PLC Digital I/O Isolation, On-Board Charger (OBC) Communication, Isolated SPI for Precision Data Converters, Grid and Solar Inverter Communication.
Automotive Battery Management Systems (BMS)
In EV and hybrid battery packs, the cell-monitoring ICs sit on the high-voltage stack while the vehicle controller sits at chassis ground; a reinforced isolation barrier is mandatory. The ISO6763QDWRQ1's 5000 Vrms UL 1577 rating and AEC-Q100 qualification directly address this requirement. Its 3/3 channel configuration carries a full-duplex isolated SPI link (SCLK, MOSI, CS forward; MISO reverse) to stack monitors such as the BQ79614 family at up to 50 Mbps, enabling fast pack scans. The 100 kV/us CMTI withstands transients from adjacent contactor switching and inverter ripple, maintaining data integrity across the barrier without error-retry overhead.
Recommended
Isolated UART / RS-485 Links in Traction Inverters
Traction inverters and motor controllers need robust isolated communication between the gate-drive or controller domain and the vehicle network node. The ISO6763QDWRQ1 provides three channels per direction for isolated UART or general-purpose control/status signaling with 50 Mbps headroom far above typical UART rates, so timing margins are generous. The 100 kV/us CMTI rating is the critical parameter here, because the isolator sits near a SiC or IGBT bridge where dv/dt can exceed 50 kV/us during hard switching. AEC-Q100 qualification and the -40C to +125C range cover the harsh thermal environment of the inverter housing.
Recommended
Industrial PLC Digital I/O Isolation
Programmable logic controller I/O cards isolate field wiring from the backplane logic to survive ground potential differences, induced surges, and miswiring events. The ISO6763QDWRQ1's six channels let one package isolate three inputs and three outputs, cutting component count versus multiple 2-channel isolators. The 1.8 V to 5 V logic support means the controller side interfaces directly to modern FPGAs or MCUs running at 1.8 V, while the field side runs at 5 V. At 50 Mbps the part easily handles parallel GPIO and status signaling, and the wide-body DW package provides the creepage and clearance demanded by reinforced industrial isolation standards.
Recommended
On-Board Charger (OBC) Communication
On-board chargers galvanically separate the grid-referenced power stage from the vehicle-referenced controller, requiring a reinforced digital link for PWM control, telemetry, and fault signaling. The ISO6763QDWRQ1's 5000 Vrms barrier and automotive qualification fit the OBC's safety and quality requirements. Its six channels carry control commands one way and status/fault flags the other in a single 16-pin SOIC, saving board space inside the compact OBC enclosure. The 50 Mbps rate supports fast fault propagation, and the 100 kV/us CMTI keeps the link stable against the power factor correction stage's switching transients.
Recommended
Isolated SPI for Precision Data Converters
Precision ADCs and DACs used in isolated measurement modules need their SPI bus crossed through a barrier that adds minimal timing jitter and tolerates common-mode noise. The ISO6763QDWRQ1 maps a full-duplex SPI link (SCLK, MOSI, CS forward; MISO or DOUT reverse) onto its 3/3 channel arrangement without direction pins, and 50 Mbps exceeds the serial clock of most precision converters, so the isolator never limits throughput. Low channel-to-channel skew preserves setup/hold margins at the converter, and the 100 kV/us CMTI keeps clock edges clean when the converter ground rides on a switched-mode power stage.
Recommended
Grid and Solar Inverter Communication
Solar string inverters and grid-tie systems isolate the MCU/controller domain from the high-voltage DC bus and grid-referenced sensing circuitry. The ISO6763QDWRQ1 isolates SPI telemetry to power-metering and MPPT sensing front ends, with the 5000 Vrms reinforced rating and wide-body DW package satisfying insulation coordination for the AC-referenced side. The 1.8 V logic support connects directly to modern low-voltage controller SoCs, while the 50 Mbps data rate supports daisy-chained sensing buses. Its industrial temperature rating of -40C to +125C covers outdoor enclosure environments, and the 100 kV/us CMTI withstands inverter-stage switching transients.
Recommended
Recommended Products Summary
Engineering reference data for ISO6763QDWRQ1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ISO6763FQDWRQ1 | ISO6761FQDWRQ1 | ISO6762FQDWRQ1 | ISO6760FDWR |
|---|---|---|---|---|---|
| Package | SOIC-16 wide-body (DW) | SOIC-16 wide-body (DW) - same | SOIC-16 wide-body (DW) - same | SOIC-16 wide-body (DW) - same | SOIC-16 wide-body (DW) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Channel Configuration | 6-ch, 3/3 (Q suffix) | 6-ch, 3/3 (F suffix) | 6-ch, alternate split | 6-ch, alternate split | 6-ch, general-purpose |
| Max Data Rate | 50 Mbps | 50 Mbps | 50 Mbps | 50 Mbps | 50 Mbps |
| AEC-Q100 Automotive Grade | Yes | Yes | Yes | Yes | No |
Key Differentiators
- Automotive AEC-Q100 qualification (vs ISO6760FDWR)
- True 3/3 full-duplex channel split (vs ISO6761FQDWRQ1)
- 50 Mbps with 100 kV/us CMTI (vs ISO6762FQDWRQ1)
Design Notes
Decouple each VCC pin with a 100 nF ceramic capacitor placed within 2 mm of the pin, plus a 4.7 uF bulk capacitor per side. Because the ISO6763QDWRQ1 switches up to six channels simultaneously at 50 Mbps, supply dip during simultaneous switching is the most common cause of bit errors. Keep the isolation gap under the package free of any traces or copper pours from either side to preserve the 5000 Vrms reinforced barrier creepage and clearance defined by the DW wide-body package.
Route the SPI or GPIO signals matched in length per side and keep series resistors (10-22 ohm) near the driving side outputs to control ringing at 50 Mbps edges. The 100 kV/us CMTI rating protects against common-mode transients, but asymmetric trace routing can convert common-mode noise into differential noise at the receiver. Avoid routing high-dv/dt power-switching nodes directly under the isolator footprint; a solid unbroken reference plane per side minimizes coupling into the barrier region.
Confirm the channel direction configuration before layout release: the ISO676x-Q1 family suffix (ISO6760/61/62/63 with F or Q variants) encodes different default output states and channel-direction splits, and they are not interchangeable for full-duplex SPI despite sharing the same DW footprint. Also verify that the isolated DC-DC supplying the hot side meets the same reinforced isolation rating as the signal isolator; a basic-rated isolated supply undermines the reinforced barrier of the ISO6763QDWRQ1 in a safety-critical design.
Compliance Information
AEC-Q100 qualification confirmed by Arrow.com listing and TI product page. RoHS/REACH/lead-free status not stated in the provided data - consult TI.com product page for current certification status.
