홈 전력 관리 LED 드라이버 차량용 LED 드라이버
홈
전력 관리
LED 드라이버
차량용 LED 드라이버

TPS92642-Q1

활성

오토모티브 동기식 벅 적외선 LED 드라이버

지금 주문하기
데이터 시트

TPS92642-Q1

활성
데이터 시트 지금 주문하기

제품 상세 정보

Number of channels 1 Topology Buck Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Vin (min) (V) 5.5 Vin (max) (V) 36 Vout (min) (V) 0 Vout (max) (V) 36 Iout (max) (A) 5 Iq (typ) (mA) 1500 Switching frequency (max) (kHz) 2200 Features Fault Detection, LED Open Detection, Precision Dimming Control, Thermal shutdown
Number of channels 1 Topology Buck Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Vin (min) (V) 5.5 Vin (max) (V) 36 Vout (min) (V) 0 Vout (max) (V) 36 Iout (max) (A) 5 Iq (typ) (mA) 1500 Switching frequency (max) (kHz) 2200 Features Fault Detection, LED Open Detection, Precision Dimming Control, Thermal shutdown
HTSSOP (PWP) 16 32 mm² (5 mm × 6.4 mm)
  • AEC-Q100 qualified for automotive applications
    • Grade 1: –40°C to 125°C ambient operating temperature
    • Device HBM classification level H1C
    • Device CDM classification level C5
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • Input voltage range: 5.5 V to 36 V
    • Operation down to 5.15 V after start-up
  • Up to 5-A pulsed output current with 4% accuracy
  • Adaptive on-time current control
    • Low offset high-side current sense amplifier
    • Stable with any combination of ceramic, and aluminum capacitors
  • Programmable switching frequency from 100 kHz to 2.2 MHz
  • Advanced dimming operation
    • 1000:1 precision PWM dimming
    • 15:1 precision analog dimming
  • Internal maximum duty cycle limit
  • Cycle-by-cycle switch overcurrent protection
  • Open-drain fault indicator output
    • LED short circuit, open circuit and cable harness fault indication
  • Thermal shutdown protection
  • AEC-Q100 qualified for automotive applications
    • Grade 1: –40°C to 125°C ambient operating temperature
    • Device HBM classification level H1C
    • Device CDM classification level C5
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • Input voltage range: 5.5 V to 36 V
    • Operation down to 5.15 V after start-up
  • Up to 5-A pulsed output current with 4% accuracy
  • Adaptive on-time current control
    • Low offset high-side current sense amplifier
    • Stable with any combination of ceramic, and aluminum capacitors
  • Programmable switching frequency from 100 kHz to 2.2 MHz
  • Advanced dimming operation
    • 1000:1 precision PWM dimming
    • 15:1 precision analog dimming
  • Internal maximum duty cycle limit
  • Cycle-by-cycle switch overcurrent protection
  • Open-drain fault indicator output
    • LED short circuit, open circuit and cable harness fault indication
  • Thermal shutdown protection

The TPS92642-Q1 is a monolithic, synchronous Buck LED driver with a wide 5.5-V to 36-V operating input voltage range and 40-V tolerance that supports load dump for duration of 400 ms. The TPS92642-Q1 implements an adaptive on-time average current mode control based on inductor valley current detection. The adaptive on-time control provides near constant switching frequency that can be set between 100 kHz and 2.2 MHz. Inductor current sensing and closed-loop feedback enables better than ±4% accuracy over wide input, output and ambient temperature.

The high-performance infrared LED driver can independently modulate LED current using both analog or PWM dimming techniques. Linear analog dimming range with over 15:1 range is obtained by setting the IADJ voltage. PWM dimming of LED current is achieved by directly modulating the UDIM input pin with desired duty cycle. The device incorporates an internal pulse monitoring circuit that limits the maximum pulse duty cycle.

The TPS92642-Q1 incorporates advanced diagnostic and fault protection featuring: cycle-by-cycle switch current limit, bootstrap undervoltage, LED open, LED short and thermal shutdown.

The TPS92642-Q1 is available in a 6.6-mm × 5.1-mm thermally-enhanced 16-pin HTSSOP package with 0.65-mm lead pitch.

The TPS92642-Q1 is a monolithic, synchronous Buck LED driver with a wide 5.5-V to 36-V operating input voltage range and 40-V tolerance that supports load dump for duration of 400 ms. The TPS92642-Q1 implements an adaptive on-time average current mode control based on inductor valley current detection. The adaptive on-time control provides near constant switching frequency that can be set between 100 kHz and 2.2 MHz. Inductor current sensing and closed-loop feedback enables better than ±4% accuracy over wide input, output and ambient temperature.

The high-performance infrared LED driver can independently modulate LED current using both analog or PWM dimming techniques. Linear analog dimming range with over 15:1 range is obtained by setting the IADJ voltage. PWM dimming of LED current is achieved by directly modulating the UDIM input pin with desired duty cycle. The device incorporates an internal pulse monitoring circuit that limits the maximum pulse duty cycle.

The TPS92642-Q1 incorporates advanced diagnostic and fault protection featuring: cycle-by-cycle switch current limit, bootstrap undervoltage, LED open, LED short and thermal shutdown.

The TPS92642-Q1 is available in a 6.6-mm × 5.1-mm thermally-enhanced 16-pin HTSSOP package with 0.65-mm lead pitch.
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추가 정보 요청

기능 안전 정보가 NDA에 따라 제공됩니다. 지금 요청

관심 가지실만한 유사 제품

open-in-new 대안 비교
비교 대상 장치와 동일한 기능을 지원하는 핀 대 핀.
TPS92643-Q1 활성 오토모티브 3A 동기식 벅 적외선 LED 드라이버 Pin-to-pin replacement supporting up to 3-A constant LED current.

기술 자료

검색된 결과가 없습니다. 검색어를 지우고 다시 시도하세요.
4개 모두 보기
상위 문서 유형 직함 형식 옵션 최신 영어 버전 다운로드 날짜
* 데이터 시트 TPS92642-Q1 Automotive Synchronous Buck Infrared LED Driver datasheet PDF | HTML 2023. 11. 28
애플리케이션 노트 Reducing Cabling Effort in Camera-Based Driver Monitoring Systems (DMS) PDF | HTML 2023. 12. 18
사용 설명서 TPS92642-Q1 Evaluation Module User's Guide PDF | HTML 2023. 11. 28
인증서 TPS92642EVM-203 EU RoHS Declaration of Conformity (DoC) PDF | HTML 2022. 7. 28

설계 및 개발

추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.

평가 보드

TPS92642EVM-203 — TPS92642-Q1 평가 모듈

TPS92642EVM-203 EVM(평가 모듈)을 이용해 설계자는 고전류 IR LED 드라이브 용도로 설계된 TPS92642-Q1 5.0A 벅 스위칭 레귤레이터의 작동 및 성능을 평가할 수 있습니다. TPS92642-Q1은 IR LED 다이오드를 제어하도록 설계되었으며 넓은 입력 전압 범위(5.5V~36V), PWM 조광 기능, 아날로그 조광 기능, 입력 저전압 록아웃 보호, 고장 감지, 내부 5V 레귤레이터, PWM 신호의 최대 펄스 듀티 사이클을 제한하는 내부 펄스 모니터링 회로가 통합되어 있습니다.
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