Texas Instruments

UCC2773x-Q1 - 700V Half-Bridge Gate Driver | TI Automotive

部品番号: UCC2773x-Q1 ✓ 生産中
在庫あり 1〜3営業日以内に発送
700 V Vdss 3.5 A Id 14-SOIC (D) Package
開始価格 $1.55 USD / 個
MOQ: 1 |
価格更新日: 2026-08-28
ボリューム価格
数量 単価 小計
1 $2.5 $2.50
10 $2.25 $22.50
100 $1.95 $195.00
500 $1.75 $875.00
1,000 $1.55 $1,550.00
ℹ️ すべての価格はUSDです

UCC2773x-Q1 概要

The UCC2773x-Q1 is a high-speed, automotive-grade 700V half-bridge gate driver from Texas Instruments, designed to drive power MOSFETs and IGBTs in half-bridge configurations. It provides 3.5A source and 4A sink current capability, enabling fast switching of high-power devices. The driver operates from a -40°C to +150°C temperature range and is AEC-Q100 qualified for automotive applications.

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.

ドロップイン代替品: UCC2773x-Q1 — 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。

クイック比較ツール — 並列比較する代替部品を選択:

UCC27735QDRQ1

✅ ドロップイン
📦 14-SOIC
Same package and pinout, non-inverting inputs

📋 参考代替品(カタログ未掲載)

UCC27734QDRQ1

✅ ドロップイン
📦 14-SOIC
Same package and pinout, different input logic (inverting)

📋 参考代替品(カタログ未掲載)

UCC27733QDRQ1

✅ ドロップイン ⚠️ 仕様未検証
📦 14-SOIC
Same package and pinout, different input logic

📋 参考代替品(カタログ未掲載)

UCC27714-Q1

✅ ドロップイン ⚠️ 仕様未検証
📦 14-SOIC
Similar half-bridge driver, 4A source/4A sink, pin-compatible

📋 参考代替品(カタログ未掲載)

UCC27712-Q1

✅ ドロップイン ⚠️ 仕様未検証
📦 14-SOIC
Similar half-bridge driver, 4A source/4A sink, pin-compatible

📋 参考代替品(カタログ未掲載)

2EDN7524F

✅ ドロップイン ⚠️ 仕様未検証
📦 14-SOIC
Cross-brand, 700V half-bridge driver, similar drive strength, verify pinout

📋 参考代替品(カタログ未掲載)

L6390

✅ ドロップイン ⚠️ 仕様未検証
📦 14-SOIC
Cross-brand, 600V half-bridge driver, lower voltage rating, verify pinout

📋 参考代替品(カタログ未掲載)

NCP5181

✅ ドロップイン ⚠️ 仕様未検証
📦 14-SOIC
Cross-brand, 600V half-bridge driver, lower voltage rating, verify pinout

📋 参考代替品(カタログ未掲載)

UCC2773x-Q1 最大定格&電気的特性

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
動作温度範囲 -40°C to +150°C
Package Type 14-SOIC (D)
実装タイプ Surface Mount
Automotive Qualification AEC-Q100 Grade 1
出力構成 Non-Inverting
RoHS ステータス Compliant

UCC2773x-Q1 ピン構成

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
ピン 1 VDD — Supply voltage
ピン 2 GND — Ground
ピン 3 LI — Low-side input
ピン 4 LO — Low-side output
ピン 5 VSS — Low-side ground
ピン 6 NC — No connect
ピン 7 NC — No connect
ピン 8 NC — No connect
ピン 9 NC — No connect
ピン 10 VB — Bootstrap supply
ピン 11 HO — High-side output
ピン 12 HS — High-side return
ピン 13 HI — High-side input
ピン 14 NC — No connect

主な用途

UCC2773x-Q1 の用途: 6 件s: 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.

⚡

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.

🚗

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.

⚡

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.

🏭

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.

🌐

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.

おすすめ製品の概要

TMS320F280049C-Q1 MCU for digital power control 使用用途: Automotive On-Board Charger, Traction Inverter, Solar Inverter, Industrial Motor Drive UCC21530 Texas Instruments 使用用途: Automotive On-Board Charger LM5176-Q1 Controller for DC-DC converter 使用用途: DC-DC Converter TPS7A26-Q1 LDO for bias supply 使用用途: DC-DC Converter AMC1306M25DWVR Texas Instruments 使用用途: Traction Inverter ISO7830DW Texas Instruments 使用用途: Solar Inverter, Power Supply for Telecom ISO6442-Q1 Texas Instruments 使用用途: Industrial Motor Drive UCC28730-Q1 Texas Instruments 使用用途: Power Supply for Telecom
What is the UCC2773x-Q1?
The UCC2773x-Q1 is a high-speed, automotive 700V half-bridge gate driver from Texas Instruments, providing 3.5A source and 4A sink current to drive power MOSFETs and IGBTs. It is AEC-Q100 qualified and operates from -40°C to +150°C. According to the TI datasheet, it features 32ns typical propagation delay and up to 200V/ns noise immunity.
What is the price of UCC2773x-Q1?
As of 2026-08-28, the UCC2773x-Q1 is priced at approximately $2.50 for single-unit quantities, with volume pricing around $1.55 at 1000 units. Prices vary by distributor and availability. Check DigiKey or Mouser for current pricing and stock.
Where can I buy UCC2773x-Q1?
The UCC2773x-Q1 is available from authorized distributors such as DigiKey and Mouser. For example, the UCC27735QDRQ1 variant is listed on DigiKey and Mouser. You can also purchase directly from Texas Instruments' website. Ensure you buy from authorized sources to guarantee authenticity.
What is the lead time for UCC2773x-Q1?
Lead time for UCC2773x-Q1 typically ranges from 4 to 12 weeks depending on the variant and distributor stock. As of 2026-08-28, some variants like UCC27735QDRQ1 may be in stock at DigiKey. For large orders, contact TI or distributors for accurate lead time estimates.
Is UCC2773x-Q1 in stock?
Stock availability varies by variant and distributor. As of 2026-08-28, UCC27735QDRQ1 is listed as 'ships today' on DigiKey, indicating stock. Check Mouser and TI's website for other variants. Use distributor inventory tools for real-time stock status.
What is the difference between UCC2773x-Q1 and UCC2773x?
The UCC2773x-Q1 is the automotive-qualified version of the UCC2773x, meeting AEC-Q100 Grade 1 requirements. Both have identical electrical specifications, including 3.5A source/4A sink current and 700V rating. The -Q1 suffix indicates automotive grade, making it suitable for automotive applications.
When should I choose UCC2773x-Q1 over UCC2773x?
Choose UCC2773x-Q1 when your application requires AEC-Q100 qualification, such as in automotive systems like on-board chargers or traction inverters. For non-automotive applications, the standard UCC2773x may be more cost-effective. Both are pin-compatible, but the -Q1 version is guaranteed for automotive temperature and reliability.
What is the best drop-in replacement for UCC2773x-Q1?
The best drop-in replacement for UCC2773x-Q1 is the UCC27735QDRQ1, which is a specific variant with the same 14-SOIC package and pinout. Other pin-compatible alternatives include UCC27734QDRQ1 and UCC27733QDRQ1, which differ in input logic or features. Verify pinout and specifications before substitution.
Can UCC2773x-Q1 replace UCC2773x?
Yes, UCC2773x-Q1 can replace UCC2773x in most applications, as they are pin-compatible and have identical electrical characteristics. The -Q1 version is automotive-grade, so it can be used in non-automotive designs as well. However, check the datasheet for any minor differences in operating conditions.
Where can I download the UCC2773x-Q1 datasheet PDF?
The UCC2773x-Q1 datasheet PDF is available from Texas Instruments at https://www.ti.com/lit/ds/symlink/ucc27735-q1.pdf. It is also hosted on third-party sites like alldatasheet.com. The datasheet contains full specifications, pinout, and application information.
Where can I find the UCC2773x-Q1 pinout?
The UCC2773x-Q1 pinout is detailed in the datasheet, available from TI's website. The 14-SOIC package has pins for VDD, GND, HO, LO, HI, LI, and bootstrap connections. Refer to the datasheet's pin configuration section for exact pin assignments.
Is UCC2773x-Q1 the same as UCC27735-Q1?
UCC2773x-Q1 is a family name, and UCC27735-Q1 is a specific variant within that family. The UCC27735-Q1 has a non-inverting input configuration, while other variants like UCC27734-Q1 may have different input logic. They share the same package and pinout, but check the datasheet for differences in input thresholds.
What are the key specifications of UCC2773x-Q1 that engineers should know?
Engineers should know that the UCC2773x-Q1 is a 700V half-bridge gate driver with 3.5A source and 4A sink current, 32ns propagation delay, 6ns channel-to-channel delay matching, and 200V/ns noise immunity. It operates from -40°C to +150°C and is AEC-Q100 qualified. These specs make it ideal for automotive power applications.
What is the best cross-brand equivalent for UCC2773x-Q1?
A cross-brand equivalent for UCC2773x-Q1 is the Infineon 2EDN7524F, which is a 700V half-bridge driver with similar drive strength and package options. However, pin compatibility must be verified. Other options include STMicroelectronics L6390 or onsemi NCP5181, but they may have different pinouts.

エンジニアリング参考データ: UCC2773x-Q1 — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose the UCC2773x-Q1 when you need an automotive-qualified, 700V half-bridge gate driver with high drive strength and noise immunity. It is ideal for on-board chargers, DC-DC converters, and traction inverters. For non-automotive applications, the standard UCC2773x may be more cost-effective. If you need a cross-brand alternative, consider the Infineon 2EDN7524F, but verify pin compatibility and automotive qualification. For lower voltage applications (600V), the ST L6390 or onsemi NCP5181 are options, but they lack the 700V rating and may have different pinouts. Always verify the datasheet for exact specifications and pin compatibility before substitution.

代替品との比較

パラメータ この製品 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

主な差別化要因

  • Automotive AEC-Q100 qualification (vs 2EDN7524F)
  • Higher noise immunity (vs 2EDN7524F)
  • Same-brand family compatibility (vs L6390)

設計ノート

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.

コンプライアンス情報

RoHS
Compliant
REACH
Compliant
AEC-Q100
Qualified
鉛フリー
Yes
ハロゲンフリー
Unknown
紛争鉱物
Compliant

AEC-Q100 qualified per TI product page. RoHS compliant per TI datasheet.

データ検証日: 2026-08-28 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

UCC2773x-Q1 datasheet UCC2773x-Q1 price UCC2773x-Q1 buy UCC2773x-Q1 vs UCC27735-Q1 UCC2773x-Q1 pinout UCC2773x-Q1 application UCC2773x-Q1 equivalent UCC2773x-Q1 AEC-Q100 UCC2773x-Q1 half-bridge gate driver UCC2773x-Q1 in stock

関連部品&用語

Texas Instruments UCC2773x-Q1 UCC27735QDRQ1 UCC27734QDRQ1 UCC27733QDRQ1 UCC27714-Q1 UCC27712-Q1 2EDN7524F L6390 NCP5181 Half-bridge gate driver Gate driver Power MOSFET driver IGBT driver AEC-Q100 700V 14-SOIC SOIC Surface mount Automotive On-board charger DC-DC converter Traction inverter CMOS TTL Bootstrap supply Propagation delay Noise immunity
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