ISO7762DBQR - 6-Ch 100Mbps Digital Isolator | TI
部品番号: ISO7762DBQR ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $2.35 | $2.35 |
| 10 | $2.11 | $21.10 |
| 100 | $1.68 | $168.00 |
| 500 | $1.45 | $725.00 |
| 1,000 | $1.25 | $1,250.00 |
ISO7762DBQR 概要
Digital isolators are components that transmit digital signals across an isolation barrier, providing galvanic isolation to protect circuits and users from high voltages, ground loops, and noise. They are essential in systems where safety and signal integrity are critical, such as in motor drives, power converters, and medical equipment. The ISO7762DBQR belongs to the ISO776x family, which includes variants with different channel configurations and isolation ratings, all certified to VDE, CSA, TUV, and CQC standards.
Key features of the ISO7762DBQR include its reinforced isolation barrier with a projected lifetime of over 30 years, surge capability up to 12.8 kV, and low power consumption. The device supports CMOS or LVCMOS digital I/Os and offers high electromagnetic immunity and low emissions, ensuring reliable operation in noisy environments. The 4/2 channel configuration (four forward, two reverse) is ideal for applications requiring bidirectional communication.
Technically, the ISO7762DBQR uses TI's proprietary capacitive isolation technology, which provides fast propagation delays and low jitter. The device features an enable pin for output control and a fail-safe mode that defaults outputs to a known state when inputs are unpowered. The wide supply range allows seamless interfacing with 2.5V, 3.3V, and 5V logic, simplifying system design.
Typical applications include industrial fieldbus communication, isolated SPI/UART interfaces, motor control feedback, and isolated power supply monitoring. The high CMTI and robust isolation make it suitable for harsh environments where voltage transients are common.
When designing with the ISO7762DBQR, ensure proper PCB layout with adequate creepage and clearance distances to maintain the isolation rating. Place decoupling capacitors close to the VCC pins and follow the recommended layout guidelines in the datasheet to achieve optimal performance.
ドロップイン代替品: ISO7762DBQR — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: ISO7762DBQR （同一形状・フットプリント） — 相違点: Package, Number of Channels, Channel Configuration, Isolation Rating, Isolation Type.
クイック比較ツール — 並列比較する代替部品を選択:
ISO7762FDBQR
✅ ドロップイン✓ 在庫あり
$2.88 / 個
データシートを見る →ISO7762DBQ
✅ ドロップイン📋 参考代替品（カタログ未掲載）
ISO7742FDBQR
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$2.35 / 個
データシートを見る →ISO7741FDBQR
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$0.98 / 個
データシートを見る →ISO7762DBQR 仕様
| Number of Channels | 6 |
| Channel Configuration | 4/2 (4 forward, 2 reverse) |
| Isolation Rating | 3000 Vrms (per UL 1577) |
| データレート | 100 Mbps |
| CMTI (Common-Mode Transient Immunity) | ±100 kV/µs (typical) |
| Supply Voltage Range | 2.25 V to 5.5 V |
| Surge Capability | 12.8 kV |
| Projected Lifetime | >30 years |
| パッケージ | 16-SSOP (DBQ), 0.154" width |
| 動作温度範囲 | -55°C to 125°C |
| 出力タイプ | CMOS |
| イネーブルピン | Yes |
| Fail-Safe Mode | Yes |
| Certifications | UL 1577, VDE, CSA, TUV, CQC |
| RoHS ステータス | Compliant |
ISO7762DBQR ピン構成
| ピン 1 | VCC1 — Supply voltage for side 1 |
| ピン 2 | GND1 — Ground for side 1 |
| ピン 3 | INA — Input channel A (side 1) |
| ピン 4 | INB — Input channel B (side 1) |
| ピン 5 | INC — Input channel C (side 1) |
| ピン 6 | OUTD — Output channel D (side 1) |
| ピン 7 | OUTE — Output channel E (side 1) |
| ピン 8 | OUTF — Output channel F (side 1) |
| ピン 9 | GND2 — Ground for side 2 |
| ピン 10 | VCC2 — Supply voltage for side 2 |
| ピン 11 | OUTA — Output channel A (side 2) |
| ピン 12 | OUTB — Output channel B (side 2) |
| ピン 13 | OUTC — Output channel C (side 2) |
| ピン 14 | IND — Input channel D (side 2) |
| ピン 15 | INE — Input channel E (side 2) |
| ピン 16 | INF — Input channel F (side 2) |
主な用途
ISO7762DBQR の用途: 6 件s: Industrial Fieldbus Communication, Isolated SPI/UART Interface, Motor Control Feedback, Isolated Power Supply Monitoring, Medical Equipment Isolation, Automotive Electronics.
Industrial Fieldbus Communication
The ISO7762DBQR provides galvanic isolation for fieldbus interfaces such as PROFIBUS, Modbus, and CAN. Its 100 Mbps data rate and high CMTI of ±100 kV/µs ensure reliable data transmission in electrically noisy industrial environments. The 4/2 channel configuration supports bidirectional communication, making it ideal for isolated transceivers. With a 3000-VRMS isolation rating, it protects sensitive controllers from ground loops and voltage transients, enhancing system safety and reliability.
おすすめ
Isolated SPI/UART Interface
The ISO7762DBQR is well-suited for isolating SPI or UART communication between microcontrollers and peripherals. Its 100 Mbps data rate easily handles SPI clock speeds, while the 4/2 channel configuration provides separate lines for MOSI, MISO, SCLK, and chip select. The wide supply range of 2.25V to 5.5V allows direct interfacing with various logic levels. The high CMTI ensures data integrity even with fast switching transients, making it ideal for motor drives and power converters.
おすすめ
Motor Control Feedback
In motor control systems, the ISO7762DBQR isolates encoder and Hall sensor signals from the controller. Its high CMTI of ±100 kV/µs prevents false triggering from PWM-induced noise, while the 3000-VRMS isolation protects low-voltage logic from high-voltage transients. The 6-channel configuration can accommodate multiple feedback signals, reducing component count. The wide temperature range of -55°C to 125°C ensures reliable operation in demanding industrial environments.
おすすめ
Isolated Power Supply Monitoring
The ISO7762DBQR can be used to isolate digital signals from power supply monitoring circuits, such as voltage and current sensors. Its high data rate and low propagation delay allow real-time monitoring of power parameters. The reinforced isolation rating ensures safe communication between the high-voltage side and the low-voltage controller. The device's low power consumption is beneficial for always-on monitoring applications, and its small SSOP package saves PCB space.
おすすめ
Medical Equipment Isolation
The ISO7762DBQR provides galvanic isolation for patient-connected medical devices, ensuring safety and compliance with stringent standards. Its 3000-VRMS isolation rating and certifications (UL, VDE, CSA, TUV, CQC) meet medical safety requirements. The high CMTI and low emissions make it suitable for sensitive analog front-ends. The wide temperature range and robust construction ensure long-term reliability in critical healthcare applications.
おすすめ
Automotive Electronics
The ISO7762DBQR is suitable for automotive applications such as battery management systems (BMS) and on-board chargers, where isolation is critical for safety. Its wide temperature range (-55°C to 125°C) and high CMTI ensure reliable operation in harsh automotive environments. The 100 Mbps data rate supports high-speed communication between isolated domains. The device's certifications and robust design make it a trusted choice for automotive-grade isolation.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: ISO7762DBQR — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | ISO7762FDBQR | ISO7762DBQ | ISO7742FDBQR | ISO7741FDBQR |
|---|---|---|---|---|---|
| Package | 16-SSOP (DBQ) | 16-SSOP (DBQ) | 16-SSOP (DBQ) | 16-SSOP (DBQ) | 16-SSOP (DBQ) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Number of Channels | 6 | 6 | 6 | 4 | 4 |
| Channel Configuration | 4/2 | 4/2 | 4/2 | 2/2 | 3/1 |
| Isolation Rating | 3000 Vrms | 3000 Vrms | 3000 Vrms | 3000 Vrms | 3000 Vrms |
| Data Rate | 100 Mbps | 100 Mbps | 100 Mbps | 100 Mbps | 100 Mbps |
| CMTI | ±100 kV/µs | ±100 kV/µs | ±100 kV/µs | ±100 kV/µs | ±100 kV/µs |
| Supply Voltage Range | 2.25V to 5.5V | 2.25V to 5.5V | 2.25V to 5.5V | 2.25V to 5.5V | 2.25V to 5.5V |
主な差別化要因
- 6-channel configuration with 4/2 directionality （vs ISO7742FDBQR)
- High CMTI of ±100 kV/µs （vs ISO7241MDW)
- Wide supply range of 2.25V to 5.5V （vs ISO7241MDW)
設計ノート
For optimal isolation performance, maintain at least 8 mm creepage and clearance distance between the input and output sides on the PCB. Place a 0.1 µF decoupling capacitor close to each VCC pin (VCC1 and VCC2) to minimize noise. Use a solid ground plane under the device, but ensure the isolation barrier is not bridged by any copper traces.
The ISO7762DBQR operates from 2.25V to 5.5V on both sides. Ensure that VCC1 and VCC2 are within the specified range and that the power supply can handle the total current consumption, which is typically a few milliamps per channel. Use low-ESR capacitors to maintain stable supply voltages, especially during high-speed switching.
Do not exceed the absolute maximum ratings, particularly the supply voltage and isolation voltage. Ensure that the input signals do not exceed the supply voltage. When using the enable pin, note that disabling the outputs may cause the fail-safe mode to activate, which could affect system behavior. Always refer to the datasheet for the exact fail-safe state.
コンプライアンス情報
RoHS compliant per TI product page. Certifications include UL 1577, VDE, CSA, TUV, CQC.
