계산 툴
데이터시트
LM5156-Q1
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C to +125°C TA
- Functional Safety-Capable
- Suited for wide input operating range car battery applications
- 3.5-V to 60-V Operating range (65-V abs max)
- 2.97-V to 16-V When BIAS = VCC
- Minimum boost supply voltage 1.5 V when BIAS ≥ 3.5 V
- Input transient protection up to 65 V
- Minimized battery drain
- Low shutdown current (IQ ≤ 2.6 µA)
- Low operating current (IQ ≤ 490 µA)
- Small solution size and low cost
- Maximum switching frequency of 2.2 MHz
- 12-Pin WSON package (3 mm × 2 mm) with wettable flanks
- Integrated error amplifier allows primary-side regulation without optocoupler (flyback)
- Minimized undershoot during cranking (start-stop application)
- EMI mitigation
- Selectable dual random spread spectrum
- Lead-less package
- Higher efficiency with low-power dissipation
- 100-mV ±7% accurate current limit threshold
- Strong 1.5-A peak standard MOSFET driver
- Supports external VCC supply
- Avoid AM band interference and crosstalk
- Optional clock synchronization
- Dynamically programmable switching frequency from 100 kHz to 2.2 MHz
- Integrated protection features
- Constant peak current limiting over input voltage
- Optional hiccup mode overload protection (see the Device Comparison Table)
- Programmable line UVLO
- OVP protection
- Thermal shutdown
- Accurate ±1% accuracy feedback reference
- Programmable extra slope compensation
- Adjustable soft start
- PGOOD indicator
- Create a custom design using the LM5156x-Q1 with the WEBENCH power designer
The LM5156x-Q1 (LM5156-Q1 and LM51561-Q1) device is a wide input range, non-synchronous boost controller that uses peak current mode control. The device can be used in boost, SEPIC, and flyback topologies.
The LM5156x-Q1 device can start up from a 1-cell battery with a minimum of 2.97 V if the BIAS pin is connected to the VCC pin. It can operate with the input supply voltage as low as 1.5 V if the BIAS pin is greater than 3.5 V.
기술 문서
검색된 결과가 없습니다. 검색어를 지우고 다시 시도하십시오.
모두 보기10 | 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | LM5156x-Q1 2.2-MHz Wide VIN 65-V Non-synchronous Boost/SEPIC/Flyback Controller with Dual Random Spread Spectrum datasheet (Rev. B) | PDF | HTML | 2021/01/05 |
| White paper | Isolated Bias Power Supply Architecture for HEV and EV Traction Inverters | PDF | HTML | 2023/10/11 | |
| Application note | How to Implement the Soft Start in a Flyback | PDF | HTML | 2023/07/10 | |
| Application note | EMI 감소 기법, 듀얼 랜덤 확산 스펙트럼 (Rev. A) | PDF | HTML | 2022/11/21 | |
| Application note | LM5156을 사용하여 부스트 컨버터를 설계하는 방법 (Rev. A) | PDF | HTML | 2022/11/21 | |
| Certificate | Automotive PPAP Documentation | 2021/06/18 | ||
| Functional safety information | LM34966-Q1, LM5156x-Q1 Functional Safety, FIT Rate, Failure Mode Distribution (Rev. C) | PDF | HTML | 2021/04/28 | |
| Technical article | Introduction to EMI: Standards, causes and mitigation techniques | PDF | HTML | 2021/04/21 | |
| Technical article | Lowering audible noise in automotive applications with TI’s DRSS technology | PDF | HTML | 2021/03/18 | |
| White paper | 전원 공급 장치의 EMI 절감을 위한 시간 및 비용 효율적 혁신 | 2020/12/04 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
평가 보드
LM5155EVM-FLY — LM5155 플라이백 컨트롤러 평가 모듈
The LM5155EVM-FLY evaluation module showcases the features and performance of the LM5155 as a wide input non-synchronous flyback controller. The standard configuration is designed to provide a regulated output of 5V at 4A from an input of 18V to 36V, switching at 250 kHz. This evaluation module is (...)
사용 설명서: PDF
평가 보드
LM5155EVM-SEPIC — LM5155 SEPIC 평가 모듈
The LM5155EVM-SEPIC evaluation module showcases the features and performance of the LM5155 as wide input non-synchronous SEPIC controller. The standard configuration is designed to provide a regulated output of 12V at up to 2A from an input of 3V to 42V, switching at 2.2 MHz.
평가 보드
LM5156EVM-BST — LM5156 부스트 컨트롤러 평가 모듈
The LM5156EVM-BST evaluation module showcases the features and performance of the LM5156-Q1 wide-input voltage non-synchronous boost controller. The standard configuration is designed to provide a regulated output of 12 V at 3 A from an input of 3 V to 12 V, switching at 440 kHz.
This EVM is (...)
사용 설명서: PDF
평가 보드
LM5156HEVM-FLY — LM5156H 플라이백 컨트롤러 평가 모듈
The LM5156HEVM-FLY evaluation module showcases the features and performance of the LM51561 (TSSOP package) as wide input non-synchronous flyback controller. The standard configuration is designed to provide a regulated output of 5V at 4A from an input of 18V to 36V, switching at 250 kHz. This (...)
시뮬레이션 모델
Unencrypted LM5156-Q1 PSpice Transient Model Package (Rev. H)
SNVMBV9H.ZIP (205 KB) - PSpice Model
계산 툴
SNVC240 — LM5155/56 Flyback Controller Quick Start Calculator
LM5155/56 Flyback Controller Quick Start Calculator
지원되는 제품 및 하드웨어
제품
AC/DC & DC/DC controllers (external FET)
하드웨어 개발
평가 보드
계산 툴
SNVR481 — LM5155/56 SEPIC Controller Quick Start Calculator
지원되는 제품 및 하드웨어
제품
AC/DC & DC/DC controllers (external FET)
하드웨어 개발
평가 보드
레퍼런스 디자인
PMP30805 — 초소형 오토모티브 SEPIC 레퍼런스 설계
This tiny automotive SEPIC reference design contains a 6-W auxiliary power supply and is designed for a 12-V bias rail. The wide input accepts cranking down to 4.5 Vmin and surge up to 40 Vmax. Due to switching frequency of 2 MHz, the dual inductor is fairly small, resulting in excellent dynamic (...)
| 패키지 | 핀 | 다운로드 |
|---|---|---|
| WSON (DSS) | 12 | 옵션 보기 |
주문 및 품질
포함된 정보:
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
포함된 정보:
- 팹 위치
- 조립 위치