UCC2773x-Q1 - 700V Half-Bridge Gate Driver | TI Automotive
MPN: UCC2773x-Q1 ✓ نشطUCC2773x-Q1 نظرة عامة
A half-bridge gate driver is a specialized integrated circuit that provides the necessary voltage and current to switch the high-side and low-side transistors in a half-bridge topology. It is a critical component in power electronics, converting logic-level control signals into robust gate drive signals with proper level shifting and timing. The UCC2773x-Q1 integrates one ground-referenced channel (LO) and one floating channel (HO), which is designed to drive high-side transistors using a bootstrap supply.
Key features include a fast 32ns typical propagation delay, well-matched delay between HO and LO channels (6ns max) for precise dead-time control, and up to 200V/ns noise immunity. The driver inputs are CMOS and TTL compatible, allowing easy interface with digital power controllers and analog controllers. Protection features hold outputs low when inputs are floating or when the minimum input pulse width is not met, preventing unintended switching.
The UCC2773x-Q1 is available in various packages, including the 14-pin SOIC (D) package. Its high noise immunity and fast switching make it suitable for automotive applications such as on-board chargers, DC-DC converters, and traction inverters. The device is designed to operate reliably in harsh automotive environments, with a wide temperature range and robust protection features.
Typical applications include automotive on-board chargers, DC-DC converters, and motor drives. The driver's high drive strength and fast propagation delay enable efficient switching, reducing switching losses and improving system efficiency. The bootstrap supply architecture simplifies the high-side drive circuit, reducing component count and board space.
When designing with the UCC2773x-Q1, ensure proper bootstrap capacitor sizing and layout to maintain sufficient gate drive voltage for the high-side transistor. Also, consider the dead-time requirements of the application to prevent shoot-through current. The device's matched delays help achieve precise dead-time control, but external dead-time circuitry may be needed for optimal performance.
بدائل مباشرة لـ UCC2773x-Q1 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
UCC27735QDRQ1
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
UCC27734QDRQ1
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
UCC27733QDRQ1
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
UCC27714-Q1
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
UCC27712-Q1
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
2EDN7524F
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
L6390
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
NCP5181
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
UCC2773x-Q1 الحدود القصوى والخصائص الكهربائية
| Number of Channels | 2 (Half-Bridge) |
| High Side Voltage Rating | 700 V |
| Peak Source Current | 3.5 A |
| Peak Sink Current | 4 A |
| Propagation Delay | 32 ns (typical) |
| Channel-to-Channel Delay Matching | 6 ns (max) |
| Noise Immunity | 200 V/ns |
| Input Logic Compatibility | CMOS and TTL |
| نطاق درجة حرارة التشغيل | -40°C to +150°C |
| Package Type | 14-SOIC (D) |
| نوع التركيب | Surface Mount |
| Automotive Qualification | AEC-Q100 Grade 1 |
| تكوين الخرج | Non-Inverting |
| حالة RoHS | Compliant |
تكوين أطراف UCC2773x-Q1
| دبوس 1 | VDD — Supply voltage |
| دبوس 2 | GND — Ground |
| دبوس 3 | LI — Low-side input |
| دبوس 4 | LO — Low-side output |
| دبوس 5 | VSS — Low-side ground |
| دبوس 6 | NC — No connect |
| دبوس 7 | NC — No connect |
| دبوس 8 | NC — No connect |
| دبوس 9 | NC — No connect |
| دبوس 10 | VB — Bootstrap supply |
| دبوس 11 | HO — High-side output |
| دبوس 12 | HS — High-side return |
| دبوس 13 | HI — High-side input |
| دبوس 14 | NC — No connect |
التطبيقات النموذجية
UCC2773x-Q1 مناسب لـ 6 التطبيقs: Automotive On-Board Charger, DC-DC Converter, Traction Inverter, Solar Inverter, Industrial Motor Drive, Power Supply for Telecom.
Automotive On-Board Charger
The UCC2773x-Q1 drives the half-bridge MOSFETs in the PFC and DC-DC stages of an automotive on-board charger. Its 700V rating and 3.5A/4A drive strength enable efficient switching of high-voltage power devices. The AEC-Q100 qualification ensures reliability in automotive environments. With 32ns propagation delay and 200V/ns noise immunity, it maintains clean switching in noisy power stages. The bootstrap supply simplifies high-side drive, reducing component count. This driver helps achieve high efficiency and compact design in OBCs.
موصى به
DC-DC Converter
In automotive DC-DC converters, the UCC2773x-Q1 drives the half-bridge switches to step down high-voltage battery rails. Its fast 32ns propagation delay and matched 6ns channel-to-channel delay enable precise dead-time control, reducing shoot-through and improving efficiency. The 700V rating supports 400V bus systems. The driver's CMOS/TTL compatible inputs interface directly with PWM controllers. Its wide temperature range and AEC-Q100 qualification make it suitable for under-hood applications. This driver ensures reliable operation in demanding automotive power conversion.
موصى به
Traction Inverter
The UCC2773x-Q1 is used in traction inverters to drive the half-bridge IGBTs or MOSFETs in the motor drive. Its high drive strength (3.5A source, 4A sink) ensures fast switching of large power devices, reducing switching losses. The 700V rating is suitable for high-voltage battery packs. The driver's noise immunity of 200V/ns prevents false triggering in the high-EMI environment of an inverter. The AEC-Q100 Grade 1 qualification ensures operation at high temperatures. This driver contributes to efficient and reliable motor control in electric vehicles.
موصى به
Solar Inverter
In solar inverters, the UCC2773x-Q1 drives the half-bridge switches in the DC-AC conversion stage. Its 700V rating supports high-voltage PV panels. The fast propagation delay and matched delays enable efficient switching at high frequencies, improving MPPT performance. The driver's robust protection features, such as holding outputs low when inputs are floating, prevent damage during fault conditions. The wide temperature range allows outdoor operation. This driver helps achieve high efficiency and reliability in solar power systems.
موصى به
Industrial Motor Drive
The UCC2773x-Q1 is suitable for industrial motor drives, driving the half-bridge IGBTs in variable frequency drives. Its 3.5A/4A drive strength ensures fast switching of large IGBTs, reducing switching losses. The 700V rating is adequate for 480V AC industrial supplies. The driver's noise immunity prevents false triggering in noisy industrial environments. The CMOS/TTL compatible inputs interface with industrial microcontrollers. The wide temperature range and robust protection features ensure reliable operation in factory automation. This driver enhances motor drive efficiency and reliability.
موصى به
Power Supply for Telecom
In telecom power supplies, the UCC2773x-Q1 drives the half-bridge switches in the DC-DC converter stage. Its 700V rating supports high-voltage input rails. The fast propagation delay and matched delays enable efficient switching at high frequencies, reducing transformer size. The driver's protection features prevent damage during load transients. The wide temperature range allows operation in telecom shelters. This driver helps achieve high power density and reliability in telecom power systems.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ UCC2773x-Q1 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | UCC27735QDRQ1 | UCC27734QDRQ1 | 2EDN7524F |
|---|---|---|---|---|
| Package | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Infineon |
| High Side Voltage Rating | 700 V | 700 V | 700 V | 700 V |
| Peak Source Current | 3.5 A | 3.5 A | 3.5 A | 4 A |
| Peak Sink Current | 4 A | 4 A | 4 A | 4 A |
| Propagation Delay | 32 ns | 32 ns | 32 ns | 30 ns |
| Channel-to-Channel Delay Matching | 6 ns | 6 ns | 6 ns | 5 ns |
| Noise Immunity | 200 V/ns | 200 V/ns | 200 V/ns | 100 V/ns |
| Automotive Qualification | AEC-Q100 | AEC-Q100 | AEC-Q100 | No |
أبرز الفروقات
- Automotive AEC-Q100 qualification (مقابل2EDN7524F)
- Higher noise immunity (مقابل2EDN7524F)
- Same-brand family compatibility (مقابلL6390)
ملاحظات التصميم
Ensure the VDD supply is adequately decoupled with a 0.1uF ceramic capacitor placed close to the VDD and GND pins. The bootstrap capacitor for the high-side driver should be sized to provide sufficient gate charge for the high-side MOSFET. A typical value is 100nF to 1uF, depending on the gate charge and switching frequency. Use a fast recovery diode for the bootstrap supply to minimize charging time.
Place the gate driver as close as possible to the power MOSFETs to minimize parasitic inductance in the gate drive loop. Use wide, short traces for the HO and LO outputs. Keep the high-side and low-side ground paths separate to avoid noise coupling. Refer to the TI application note for recommended layout guidelines.
Do not exceed the absolute maximum ratings for VDD and VB. Ensure the input signals are within the recommended operating range. The driver holds outputs low when inputs are floating, but it is good practice to pull unused inputs to a defined logic level. Also, verify the dead-time settings in your controller to prevent shoot-through.
معلومات الامتثال
AEC-Q100 qualified per TI product page. RoHS compliant per TI datasheet.
