IRS2127STRPBF - 600V High-Side Gate Driver IC | Infineon
부품 번호: IRS2127STRPBF ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $2.08 | $2.08 |
| 10 | $1.87 | $18.70 |
| 100 | $1.62 | $162.00 |
| 500 | $1.42 | $710.00 |
| 1,000 | $1.28 | $1,280.00 |
IRS2127STRPBF 개요
A high-side gate driver IC is a specialized power management device that level-shifts a low-voltage logic input (typically 3.3 V or 5 V) up to the much higher floating rail needed to drive the upper switch in a half-bridge or high-side switching topology. It sits within the power management IC hierarchy (gate driver -> driver IC -> power management IC -> semiconductor), and is essential when a low-voltage MCU cannot directly drive a high-side power switch referenced to the switching node.
Key features include a 600 V absolute maximum offset voltage allowing bootstrap operation to -9 V on the VS pin, undervoltage lockout (UVLO) for safe bootstrap startup, and a dedicated FAULT output for cycle-by-cycle over-current shutdown. The IRS2127 integrates a current-sense comparator with an external resistor-programmable threshold, eliminating the need for a separate protection IC and shortening fault response time to under 1 us. The device also features dV/dt immunity and is tolerant to negative transient voltages on the VS node.
The IRS2127STRPBF uses a high-voltage level-shift architecture with integrated charge-pump biasing and CMOS input logic compatible with 3.3 V and 5 V microcontrollers. The bootstrap supply is generated externally by a single bootstrap diode and capacitor, keeping the IC compact while supporting switching frequencies above 100 kHz in motor drive and SMPS topologies.
Typical applications include variable-frequency motor drives, industrial inverters, switched-mode power supplies (SMPS), and any high-side switch where cycle-by-cycle over-current protection is required. For automotive applications requiring 9 V to 20 V gate drive, the IRS21271STRPBF is the pin-compatible drop-in variant.
Designers should use a fast-recovery bootstrap diode and a low-ESR bootstrap capacitor (1 uF X7R minimum) sized for the worst-case duty cycle and switching frequency. Place the sense resistor in the source return path and decouple VCC with a local 1 uF ceramic capacitor to keep the FAULT output immune to switching noise.
드롭인 대체품: IRS2127STRPBF — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: IRS2127STRPBF (동일 폼 팩터 및 풋프린트) — 차이점: Package, MSL Level, Propagation Delay, Configuration, Driver Type.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
IRS21271STRPBF
✅ 드롭인✓ 재고 있음
$1.02 / 개
데이터시트 보기 →IRS2128STRPBF
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
IRS21281STRPBF
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
IRS2127SPBF
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
IR2127STRPBF
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$0.71 / 개
데이터시트 보기 →FAN73932MX
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
IRS2127STRPBF 최대 정격 & 전기적 특성
| Driver Type | High-Side Gate Driver, Single Channel |
| Number of Drivers | 1 |
| Input Type | Non-Inverting |
| Offset Voltage (Max) | 600 V |
| Gate Drive Supply Range (Motor Drive) | 12 V to 20 V |
| Gate Drive Supply Range (Automotive) | 9 V to 20 V (IRS21271 variant) |
| Source Current (Typical) | 0.29 A |
| Sink Current (Typical) | 0.6 A |
| 출력 구성 | Non-Inverting, Active High |
| Logic Input Compatibility | 3.3 V and 5 V CMOS |
| Undervoltage Lockout (UVLO) | Yes (VCC and VBS) |
| Over-Current Protection | Integrated current-sense comparator with FAULT output |
| Bootstrap Operation | Floating channel designed for bootstrap supply |
| dV/dt Immunity | Tolerant to negative transient voltage, dV/dt immune |
| 동작 온도 범위 | -40C to +125C |
| 패키지 | 8-SOIC (3.90 mm Width, 0.154 inch) |
| 실장 유형 | Surface Mount |
| MSL 레벨 | MSL 3 (per JEDEC J-STD-020) |
| Lead-Free / RoHS Status | Lead-Free, RoHS Compliant (PBF suffix) |
| Manufacturer | Infineon Technologies (formerly International Rectifier) |
IRS2127STRPBF 핀 구성
| 핀 1 | VCC — Logic supply voltage (12 V to 20 V for IRS2127) |
| 핀 2 | IN — Logic input for gate driver (CMOS 3.3 V / 5 V compatible, non-inverting) |
| 핀 3 | FAULT — Fault output indicator (active low, open-drain) |
| 핀 4 | CS+ — Current-sense comparator non-inverting input |
| 핀 5 | CS- — Current-sense comparator inverting input |
| 핀 6 | COM — Logic ground return |
| 핀 7 | VS — High-side floating supply return (switching node reference) |
| 핀 8 | VB — High-side floating supply (bootstrap supply) |
일반적인 애플리케이션
IRS2127STRPBF 적합 용도: 6 애플리케이션s: Variable-Frequency Motor Drive, Switched-Mode Power Supply (SMPS), Industrial Inverter and Servo Drive, Solar Inverter DC-DC Stage, Uninterruptible Power Supply (UPS), HID Lighting Ballast.
Variable-Frequency Motor Drive
The IRS2127STRPBF drives the high-side IGBT or MOSFET in three-phase variable-frequency drives for industrial pumps, fans, and compressors. Its 600 V offset rating covers 400 V and 480 V rectified bus rails, while the 0.29 A source / 0.6 A sink currents switch 600 V / 50 A IGBT modules with sub-200 ns transition times. The integrated current-sense comparator with FAULT output eliminates a separate protection IC, enabling cycle-by-cycle short-circuit detection directly from the shunt resistor in the source return path. Designers typically pair three IRS2127STRPBF devices with a low-side half-bridge driver such as the IR2104STRPBF to build a complete 6-switch inverter.
추천
Switched-Mode Power Supply (SMPS)
The IRS2127STRPBF drives the primary-side high-side switch in half-bridge and active-clamp SMPS topologies up to 500 W. Its 600 V floating channel tolerates the rectified 400 V PFC bus, while the bootstrap supply sustains high-side drive at duty cycles up to 99%. The integrated over-current protection with FAULT output enables constant-current mode in battery chargers and LED drivers, simplifying the control loop. In a 400 V input PFC boost converter, the IRS2127STRPBF drives a 600 V SJ MOSFET at 100 kHz switching frequency with a 1 uF X7R bootstrap capacitor and a UF4007 fast-recovery bootstrap diode.
추천
Industrial Inverter and Servo Drive
Servo drives and industrial inverters for CNC machines, robotics, and factory automation use the IRS2127STRPBF as the high-side gate driver for the IGBT phase legs. Its 600 V rating and -9 V transient immunity on VS make it robust against the dV/dt transients generated by fast-switching 1200 V IGBT modules. The integrated CS+/CS- comparator input allows direct connection to a current-sense shunt or Hall-effect sensor, providing cycle-by-cycle phase-leg short-circuit protection. In a typical 7.5 kW servo drive, six IRS2127STRPBF devices (three high-side, three low-side using paired low-side drivers) drive 1200 V / 75 A IGBT modules at 8 kHz to 16 kHz PWM.
추천
Solar Inverter DC-DC Stage
Photovoltaic string inverters and DC-DC boost stages use the IRS2127STRPBF to drive the high-side MOSFET in the MPPT boost converter or full-bridge topology. The 600 V offset rating covers 1500 V DC string voltages when stacked with two devices in half-bridge, while the 12 V to 20 V gate supply is well-matched to standard 15 V gate drive rails used in solar power stages. The integrated over-current protection prevents catastrophic MOSFET failure during short-circuit events at the PV panel input. A typical 10 kW residential solar inverter uses the IRS2127STRPBF in a 600 V full-bridge topology with SiC MOSFETs switching at 50 kHz.
추천
Uninterruptible Power Supply (UPS)
Online and line-interactive UPS systems use the IRS2127STRPBF in the inverter stage that converts battery DC to AC mains output. Its 600 V rating supports 400 V battery stacks with adequate headroom for ringing, while the integrated current-sense comparator enables fast battery over-current shutdown during inverter short-circuit events. The bootstrap supply simplifies gate drive routing across the IGBT half-bridge, and the 0.6 A sink current ensures tight turn-off for low-switching-loss operation at the 20 kHz typical UPS switching frequency. In a 5 kVA online UPS, two IRS2127STRPBF devices drive the high-side IGBTs of a full-bridge inverter with a separate IR2104 driving the low-side switches.
추천
HID Lighting Ballast
High-intensity discharge (HID) lighting ballasts for street lighting, stage lighting, and automotive headlamps use the IRS2127STRPBF to drive the high-side switching element in the DC-DC igniter and ballast converter. The 600 V offset rating easily handles the 300 V to 400 V DC bus generated from rectified mains, while the integrated over-current comparator detects arc-back and short-circuit faults at the lamp. The 12 V to 20 V gate supply range is well-matched to standard ballast control ICs, and the compact 8-SOIC package enables slim ballast designs for space-constrained fixtures.
추천
추천 제품 요약
엔지니어링 참조 데이터: IRS2127STRPBF — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | IRS21271STRPBF | IRS2128STRPBF | IRS21281STRPBF | IR2127STRPBF | FAN73932MX |
|---|---|---|---|---|---|---|
| Brand | Infineon | Infineon | Infineon | Infineon | Infineon | onsemi |
| Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Offset Voltage (Max) | 600 V | 600 V | 600 V | 600 V | 600 V | 600 V |
| Gate Drive Supply Range | 12 V to 20 V (motor drive) | 9 V to 20 V (automotive) | 12 V to 20 V | 9 V to 20 V (automotive) | 12 V to 20 V | 10 V to 20 V |
| Source / Sink Current | 0.29 A / 0.6 A | 0.29 A / 0.6 A | 0.29 A / 0.6 A | 0.29 A / 0.6 A | 0.29 A / 0.6 A | 0.35 A / 0.65 A |
| Over-Current Protection | Integrated current-sense comparator + FAULT output | Integrated comparator + FAULT (auto-restart) | Integrated comparator + latched FAULT | Integrated comparator + latched FAULT | Internal sense (no FAULT pin) | External sense required |
| Fault Behavior | Cycle-by-cycle auto-restart | Cycle-by-cycle auto-restart | Latched shutdown | Latched shutdown | Cycle-by-cycle | External latch required |
주요 차별점
- Integrated over-current comparator with dedicated FAULT output (vs IR2127STRPBF)
- Cycle-by-cycle auto-restart fault behavior (vs IRS2128STRPBF)
- Pin-compatible cross-brand option from onsemi (vs FAN73932MX)
설계 노트
Bootstrap supply design is critical for the IRS2127STRPBF: use a low-ESR 1 uF X7R ceramic capacitor between VB and VS, and pair it with a fast-recovery bootstrap diode (e.g., UF4007 or ES1J) rated for at least 2x the VCC voltage. Size the bootstrap capacitor for the worst-case duty cycle D = t_on / T_sw using the formula Q_gate = Q_g * f_sw and ensuring V_BS ripple stays above the VBS UVLO threshold (typically 8 V). For continuous high-side operation at duty cycles above 95%, add a bootstrap refresh circuit or use an isolated supply.
The VS pin (pin 7) swings below COM during the IGBT/MOSFET turn-on transition due to stray inductance in the power loop. The IRS2127STRPBF is rated for -9 V transient on VS, but exceeding this (typically caused by insufficient gate resistance or excessive dV/dt on the switching node) will permanently damage the IC. Minimize the power loop inductance by keeping the high-side switch, low-side switch, and DC-link capacitor loop area as small as possible, and add a 5 ohm to 10 ohm gate resistor for dV/dt control.
Place the IRS2127STRPBF as close as possible to the high-side power switch it drives, keeping the gate-drive loop (pin 8 VB to gate to source to pin 7 VS) under 1 cm in perimeter. Use a 4-layer PCB with a dedicated ground plane on layer 2 to shield the VS and CS+ traces from switching noise. Decouple VCC (pin 1) with a local 1 uF X7R ceramic capacitor plus a 100 nF HF bypass capacitor, both within 3 mm of the IC pins. The CS+ and CS- traces must be routed as a differential pair with Kelvin connection to the shunt resistor to avoid false tripping.
규정 준수 정보
PBF suffix confirms lead-free and RoHS compliant per Infineon datasheet. Not AEC-Q100 qualified - use IRS21271STRPBF / IRS21281STRPBF for automotive designs.
