홈 전력 관리 LED 드라이버 조명 LED 드라이버
홈
전력 관리
LED 드라이버
조명 LED 드라이버

TPS92201

활성

5V, 1A 또는 1.5A 고효율 동기 벅 LED 드라이버

지금 주문하기
데이터 시트

TPS92201

활성
지금 주문하기

제품 상세 정보

Input voltage type DC/DC Topology Synchronous Buck Vin (min) (V) 2.5 Vin (max) (V) 5.5 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Iout (max) (A) 1.5 Features Cycle-by-cycle over-current protection, Integrated Switching FET, LED Open Detection, LED Short Detection, Thermal shutdown Operating temperature range (°C) -55 to 125 Dimming method Analog Number of channels 1 Rating Catalog
Input voltage type DC/DC Topology Synchronous Buck Vin (min) (V) 2.5 Vin (max) (V) 5.5 Vout (max) (V) 5.5 Vout (min) (V) 0.6 Iout (max) (A) 1.5 Features Cycle-by-cycle over-current protection, Integrated Switching FET, LED Open Detection, LED Short Detection, Thermal shutdown Operating temperature range (°C) -55 to 125 Dimming method Analog Number of channels 1 Rating Catalog
WSON (DRV) 6 4 mm² (2 mm × 2 mm) SOT-5X3 (DRL) 6 2.56 mm² (1.6 mm × 1.6 mm)
  • 2.5V to 5.5V input voltage range
  • 1.5A constant output current
  • Up to 95% efficiency
  • 0.1µA shutdown current
  • 220mΩ (HS) / 170mΩ (LS) MOSFETs
  • Up to 100% switching duty cycle
  • 1.5MHz switching frequency
  • Force PWM mode for low output ripple (TPS92201)
  • Power save mode for high efficiency in light load (TPS92201A)
  • 0.6V to VIN output voltage range
  • 100mV feedback regulation voltage
  • 1% to 100% analog dimming with high accuracy
  • 20kHz to 200kHz PWM input frequency
  • Internal soft startup
  • Full protection with over current, LED open/short, FB resistor open/short
  • Thermal shutdown protection
  • WSON and SOT563 package options
  • 2.5V to 5.5V input voltage range
  • 1.5A constant output current
  • Up to 95% efficiency
  • 0.1µA shutdown current
  • 220mΩ (HS) / 170mΩ (LS) MOSFETs
  • Up to 100% switching duty cycle
  • 1.5MHz switching frequency
  • Force PWM mode for low output ripple (TPS92201)
  • Power save mode for high efficiency in light load (TPS92201A)
  • 0.6V to VIN output voltage range
  • 100mV feedback regulation voltage
  • 1% to 100% analog dimming with high accuracy
  • 20kHz to 200kHz PWM input frequency
  • Internal soft startup
  • Full protection with over current, LED open/short, FB resistor open/short
  • Thermal shutdown protection
  • WSON and SOT563 package options

The TPS92201 is a high-efficiency 1.5A synchronous buck-type LED driver with 2.5V to 5.5V input range. By integrating the high-side and low-side MOSFET, high efficiency and compact solution size can be achieved. The ultra-low 1µA shutdown current helps saving power in battery-powered applications.

Adaptive off-time with peak current control scheme is adapted in the TPS92201. To get the smallest output ripple, the device operates at typically 1.5MHz pulse width modulation (PWM) mode in full current range.

Adaptive off-time with peak current control scheme is adapted in the TPS92201A. At medium to heavy load, the device operates in pulse width modulation (PWM) mode with 1.5MHz switching frequency. At light load, the device automatically enters pulse frequency modulation (PFM) to maintain high efficiency over the entire load current range.

The integrated switches have the capability to deliever up to 1.5A constant current. Analog dimming is achieved by adjusting the duty cycle of the PWM input with 1% to 100% range. 20kHz to 200kHz input PWM frequency can be supported to avoid audible noise.

For safety and protection, the TPS92201 device implement full protections, including LED open, LED short, FB resistor open, FB resistor short and thermal shutdown.

The TPS92201 is a high-efficiency 1.5A synchronous buck-type LED driver with 2.5V to 5.5V input range. By integrating the high-side and low-side MOSFET, high efficiency and compact solution size can be achieved. The ultra-low 1µA shutdown current helps saving power in battery-powered applications.

Adaptive off-time with peak current control scheme is adapted in the TPS92201. To get the smallest output ripple, the device operates at typically 1.5MHz pulse width modulation (PWM) mode in full current range.

Adaptive off-time with peak current control scheme is adapted in the TPS92201A. At medium to heavy load, the device operates in pulse width modulation (PWM) mode with 1.5MHz switching frequency. At light load, the device automatically enters pulse frequency modulation (PFM) to maintain high efficiency over the entire load current range.

The integrated switches have the capability to deliever up to 1.5A constant current. Analog dimming is achieved by adjusting the duty cycle of the PWM input with 1% to 100% range. 20kHz to 200kHz input PWM frequency can be supported to avoid audible noise.

For safety and protection, the TPS92201 device implement full protections, including LED open, LED short, FB resistor open, FB resistor short and thermal shutdown.

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기술 자료

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* 데이터 시트 TPS92201 1.5A High Efficiency Synchronous Buck LED Driver datasheet (Rev. B) PDF | HTML 2024. 8. 11
인증서 TPS92201SOTEVM EU Declaration of Conformity (DoC) 2024. 9. 6
애플리케이션 노트 TPS92201 Advantage in Building Automation Video Doorbell, Security Cam System PDF | HTML 2024. 1. 10

설계 및 개발

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

평가 보드

TPS92201AEVM — 1A~1.5A 고효율 동기식 벅 LED 드라이버용 TPS92201 평가 모듈

TPS92201AEVM은 TPS92201A 벅 레귤레이터 기반 LED 드라이버를 제공하며, 입력 전압 범위 2.2V~5.5V에서 작동하도록 설계되어 있습니다. 이 EVM은 기본 출력 전류가 3.3V, 100% 듀티 사이클 PWM 입력에서 0.5A입니다. TPS92201은 고효율의 넓은 조광 범위와 우수한 라인 조정 및 저출력 리플를 지원하는 LED 드라이버 제공을 돕습니다.
사용 설명서: PDF | HTML
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WSON (DRV) 6 Ultra Librarian
SOT-5X3 (DRL) 6 Ultra Librarian
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