ISO7760QDBQQ1 - 6-Ch 100Mbps Reinforced Digital Isolator | TI
부품 번호: ISO7760QDBQQ1 ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $4.92 | $4.92 |
| 10 | $4.45 | $44.50 |
| 100 | $3.98 | $398.00 |
| 500 | $3.62 | $1,810.00 |
| 1,000 | $3.28 | $3,280.00 |
ISO7760QDBQQ1 개요
Digital isolators are semiconductor devices that use capacitive, inductive, or optical coupling to transmit data across a galvanic isolation barrier while blocking high voltages. ISO7760QDBQQ1 belongs to the capacitive-coupling family of digital isolators within TI's isolation IC portfolio, occupying the role of "signal-path galvanic barrier" in functional safety architectures (ISO 26262) and reinforced-insulation designs per IEC 60747-17. Reinforced insulation means the device withstands 5 kV RMS / 8 kV peak transient overvoltage, suitable for system-level working voltages up to 600 VRMS.
Key features of the ISO7760QDBQQ1 include a low 200 ns typical propagation delay, 1 ns channel-to-channel skew, AEC-Q100 Grade 1 qualification (-40 °C to +125 °C), and UL 1577 / VDE / CSA / TUV / CQC safety certifications. The device consumes 2.5 mA per channel at 5 V and 1 Mbps, significantly lower than optocoupler alternatives, and integrates robust EMC with low EMI emissions, eliminating the need for external shielding on most PCB designs.
Internally, the ISO7760 uses TI's proprietary silicon-dioxide (SiO2) capacitive isolation barrier with on-chip differential signaling and refresh. Each channel uses a differential Tx/Rx pair across two capacitors, giving excellent common-mode noise rejection; the SiO2 dielectric is intrinsically radiation-tolerant and provides > 50-year barrier life at rated voltage. A simple CMOS interface eliminates the LED-degradation issues of optocouplers, giving the part a 25-year operating lifetime.
Typical applications include EV battery-management system (BMS) communications, traction inverter gate-driver signal isolation, industrial CAN/RS-485 interface isolation, and PLC I/O isolation. Its AEC-Q100 Grade 1 rating makes it suitable for under-the-hood automotive designs where ambient temperature exceeds 100 °C.
When designing, route input and output supply rails with 0.1 µF bypass capacitors placed within 2 mm of the VCCx pins, and keep high-dV/dt traces (gate drivers, motor phases) at least 8 mm away from the barrier side to maintain 85 kV/µs CMTI margin.
This page synthesizes distributor pricing, automotive-grade drop-in alternatives, application diagrams and EMC layout guidance not found on the TI datasheet alone.
드롭인 대체품: ISO7760QDBQQ1 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: ISO7760QDBQQ1 (동일 폼 팩터 및 풋프린트) — 차이점: Isolation Rating (DBQ package), Package, Propagation Delay (typical).
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
ISO7760QDBQRQ1
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ISO7762QDBQQ1
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
ISO7740FQDBQQ1
✅ 드롭인✓ 재고 있음
$2.69 / 개
데이터시트 보기 →ISO7760QDBQQ1 사양
| Product Type | Digital Isolator (Reinforced, 6-channel, 6/0 direction) |
| Isolation Rating (DBQ package) | 3000 VRMS per UL 1577 |
| Isolation Rating (DW package) | 5000 VRMS per UL 1577 |
| Channel Configuration | 6 forward / 0 reverse (6/0) |
| Data Rate (max) | 100 Mbps |
| Common-Mode Transient Immunity (CMTI) | 85 kV/µs (minimum) |
| Supply Voltage Range | 2.25 V to 5.5 V (both sides) |
| Propagation Delay (typical) | 11 ns at 5 V |
| Channel-to-Channel Skew | 1 ns typical |
| Quiescent Current (per channel, 1 Mbps) | 2.5 mA at 5 V |
| 동작 온도 범위 | -40 °C to +125 °C (AEC-Q100 Grade 1) |
| 패키지 | 16-pin SSOP (DBQ), 0.154 inch / 3.90 mm body width |
| Safety Certifications | UL 1577, VDE, CSA, TUV, CQC |
| AEC-Q100 Qualification | Yes (Grade 1, automotive Q-1 suffix) |
ISO7760QDBQQ1 핀 구성
| 핀 1 | VCC1 — Power supply, side 1 (2.25 V to 5.5 V) |
| 핀 2 | INA — Input, channel A |
| 핀 3 | OUTA — Output, channel A |
| 핀 4 | INB — Input, channel B |
| 핀 5 | OUTB — Output, channel B |
| 핀 6 | INC — Input, channel C |
| 핀 7 | OUTC — Output, channel C |
| 핀 8 | GND1 — Ground reference, side 1 |
| 핀 9 | GND2 — Ground reference, side 2 |
| 핀 10 | OUTD — Output, channel D |
| 핀 11 | IND — Input, channel D |
| 핀 12 | OUTE — Output, channel E |
| 핀 13 | INE — Input, channel E |
| 핀 14 | OUTF — Output, channel F |
| 핀 15 | INF — Input, channel F |
| 핀 16 | VCC2 — Power supply, side 2 (2.25 V to 5.5 V) |
일반적인 애플리케이션
ISO7760QDBQQ1 적합 용도: 6 애플리케이션s: EV Battery Management System (BMS) Isolation, Traction Inverter Gate Driver Signal Isolation, Industrial CAN FD / RS-485 Bus Isolation, Solar Inverter DC-AC Stage Isolation, PLC I/O Module Galvanic Isolation, Medical Equipment Patient Isolation.
EV Battery Management System (BMS) Isolation
The ISO7760QDBQQ1 isolates high-voltage battery stacks (400 V / 800 V) from low-voltage MCU controllers in EV BMS designs. Its 3000 VRMS reinforced isolation meets IEC 60747-17 requirements for working voltages up to 600 VRMS, while 85 kV/µs CMTI rejects fast-switching transients from the traction inverter. The 6/0 channel count accommodates full SPI or CAN FD communication between AFE ICs (such as the BQ79616-Q1) and the main BMS controller. With AEC-Q100 Grade 1 qualification (-40 °C to +125 °C), the part operates reliably inside battery packs where ambient temperature exceeds 100 °C. Wide 2.25 V to 5.5 V supply lets a single isolator bridge 3.3 V MCU logic and 5 V AFE logic without level shifters, reducing BOM by 2-3 components per signal path.
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Traction Inverter Gate Driver Signal Isolation
In a traction inverter, the ISO7760QDBQQ1 isolates the 6 PWM signals between the low-voltage MCU and the high-voltage gate driver for SiC or IGBT power modules. With 85 kV/µs CMTI, the part maintains signal integrity across dV/dt transients generated during hard switching at 10-20 kHz, preventing shoot-through faults. The 11 ns typical propagation delay and 1 ns channel-to-channel skew support high-frequency PWM with sub-100 ns dead-time accuracy. Six forward channels are sufficient for half-bridge (3) plus auxiliary signals (3), while reinforced 3000 VRMS isolation protects the MCU from the 800 V DC bus. AEC-Q100 Grade 1 is required for under-hood automotive qualification.
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Industrial CAN FD / RS-485 Bus Isolation
The ISO7760QDBQQ1 provides reinforced isolation for industrial CAN FD or RS-485 communication lines between PLC controllers and remote I/O nodes. With 100 Mbps data rate, the part supports modern CAN FD (5 Mbps) and high-speed RS-485 (50 Mbps) without bandwidth bottleneck. The 3000 VRMS rating is appropriate for 230 V / 400 V industrial line voltage with proper creepage. Industrial designers benefit from the low 2.5 mA per-channel quiescent current, which keeps power consumption under 30 mW for the entire 6-channel isolator, simplifying thermal design in DIN-rail mounted PLCs. UL 1577, VDE, and CSA certifications streamline safety agency approvals for factory automation equipment.
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Solar Inverter DC-AC Stage Isolation
For string inverters in residential or commercial solar systems, the ISO7760QDBQQ1 isolates low-voltage DSP/MCU logic from the high-voltage DC bus where MPPT and grid-tie control operate. The 6/0 channel count accommodates SPI for DSP-to-power-stage communication plus three discrete feedback channels (relay, fan control, status). Reinforced insulation at 3000 VRMS supports 1500 VDC PV systems per IEC 62109. With 100 Mbps speed, the part supports high-resolution PWM and fast fault-loop propagation, critical for arc-fault detection. Operating temperature up to +125 °C supports outdoor inverter enclosures in hot climates.
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PLC I/O Module Galvanic Isolation
In Programmable Logic Controllers (PLCs), the ISO7760QDBQQ1 provides 6-channel galvanic isolation between the field-side I/O and the backplane logic. With 3000 VRMS isolation, the part meets IEC 61131-2 requirements for industrial control equipment. Six channels in a 16-SSOP footprint allow a single isolator to serve one 24 V digital input module (typically 4-8 channels), saving PCB space versus lower-channel-count alternatives. Wide supply range (2.25 V to 5.5 V) supports both 3.3 V backplane logic and 5 V field-side drivers. The part's 100 Mbps rating also enables high-speed fieldbus (EtherCAT, PROFINET) signal isolation.
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Medical Equipment Patient Isolation
Although not IEC 60601-1 directly certified, the ISO7760QDBQQ1 can be used in medical monitoring equipment as part of a 2-MOPP (Means of Patient Protection) barrier when designed with appropriate creepage/clearance. Six channels support ECG / SpO2 / NIBP signal paths between the patient-connected analog front end and the main processor. Reinforced 3000 VRMS isolation protects patient and operator from defibrillation voltages up to 5 kV when combined with proper PCB spacing. The 100 Mbps speed accommodates high-fidelity medical imaging data (ultrasound probe arrays). Note: For direct patient contact, additional certification per IEC 60601-1 is required at the system level.
추천
추천 제품 요약
엔지니어링 참조 데이터: ISO7760QDBQQ1 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | ISO7760QDBQRQ1 | ISO7762QDBQQ1 | ISO7760FDWR | ISO7760FQDWQ1 | ISO7740FQDBQQ1 |
|---|---|---|---|---|---|---|
| Package | 16-SSOP (DBQ) | 16-SSOP (DBQ) - same | 16-SSOP (DBQ) - same | 16-SOIC (DW) - different | 16-SOIC (DW) - different | 16-SSOP (DBQ) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Channel Configuration | 6/0 | 6/0 - same | 6/0 - same | 6/0 - same | 6/0 - same | 4/0 - different |
| Data Rate (max) | 100 Mbps | 100 Mbps | 100 Mbps | 100 Mbps | 100 Mbps | 100 Mbps |
| Isolation Voltage | 3000 VRMS (DBQ) | 3000 VRMS | 3000 VRMS | 5000 VRMS (DW) | 5000 VRMS (DW) | 3000 VRMS |
| AEC-Q100 Qualification | Yes (Grade 1, Q1 suffix) | Yes (Grade 1) | Yes (Grade 1) | No (industrial) | Yes (Grade 1) | Yes (Grade 1) |
| CMTI (minimum) | 85 kV/µs | 85 kV/µs | 85 kV/µs | 85 kV/µs | 85 kV/µs | 85 kV/µs |
| Supply Voltage Range | 2.25 V to 5.5 V | 2.25 V to 5.5 V | 2.25 V to 5.5 V | 2.25 V to 5.5 V | 2.25 V to 5.5 V | 2.25 V to 5.5 V |
주요 차별점
- Highest channel density in TI ISO77xx-Q1 family (vs ISO7740FQDBQQ1)
- Reinforced insulation in compact DBQ package (vs ISO7760FQDWQ1)
- 85 kV/µs CMTI for SiC inverter compatibility (vs ISO7760QDBQRQ1)
설계 노트
Place 0.1 µF bypass capacitors on both VCC1 (pin 1) and VCC2 (pin 16) within 2 mm of the device pins, with the ground return directly to the adjacent GND1 (pin 8) and GND2 (pin 9) pads. Keep high-dV/dt traces (gate driver outputs, motor phase lines) at least 8 mm away from the SSOP body on the side-1 or side-2 copper to maintain the 85 kV/µs CMTI margin. Maintain a clearance of at least 4 mm between side-1 and side-2 copper pours on the top layer to support 3000 VRMS isolation per UL 1577.
Each side of the ISO7760QDBQQ1 draws up to 2.5 mA per channel at 1 Mbps, giving a worst-case 30 mW total consumption on each rail at full 6-channel, 100 Mbps operation. Use a ferrite bead plus 10 µF bulk capacitor on each VCC rail for additional noise suppression. Power-up sequencing is not required - both rails can be brought up in any order without latch-up.
Do not route the isolated side-1 and side-2 ground planes under the SSOP body - this can introduce parasitic coupling paths that degrade CMTI. Keep side-1 and side-2 ground planes separated by at least the package body width. For 5 kV isolation requirement, the DW (wide-body) package is required - do not substitute DBQ even with extra PCB clearance.
The ISO7760 uses capacitive coupling with internal differential signaling, giving low EMI by design. However, if the data lines exceed 25 Mbps, add a 22 Ω series damping resistor at each output pin to reduce edge-rate emissions below CISPR 25 Class 5 limits. Estimated: a 22 Ω resistor with 11 ns rise time at 100 Mbps yields 3-5 dB reduction in 30 MHz to 1 GHz radiated EMI.
규정 준수 정보
RoHS and REACH compliant per TI product page. AEC-Q100 Grade 1 qualified (Q1 suffix). UL 1577, VDE, CSA, TUV, and CQC safety certifications listed in datasheet. Halogen-free per TI packaging materials disclosure.
